{"id":38428,"date":"2025-05-20T13:02:27","date_gmt":"2025-05-20T05:02:27","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/38428.html"},"modified":"2025-05-20T13:02:27","modified_gmt":"2025-05-20T05:02:27","slug":"rabbitmq-%e2%91%a3-%e6%8c%81%e4%b9%85%e5%8c%96-%e6%ad%bb%e4%bf%a1%e9%98%9f%e5%88%97-%e5%bb%b6%e8%bf%9f%e9%98%9f%e5%88%97-%e4%ba%8b%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/38428.html","title":{"rendered":"RabbitMQ \u2463-\u6301\u4e45\u5316 || \u6b7b\u4fe1\u961f\u5217 || \u5ef6\u8fdf\u961f\u5217 || \u4e8b\u52a1"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250520050226-682c0ce240ad2.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>\u6d88\u606f\u786e\u8ba4\u673a\u5236<\/h2>\n<h3>\u7b80\u5355\u4ecb\u7ecd<\/h3>\n<p>RabbitMQ Broker \u53d1\u9001\u6d88\u606f\u7ed9\u6d88\u8d39\u8005\u540e&#xff0c;\u6d88\u8d39\u8005\u5904\u7406\u8be5\u6d88\u606f\u65f6\u53ef\u80fd\u4f1a\u53d1\u751f\u5f02\u5e38&#xff0c;\u5bfc\u81f4\u6d88\u8d39\u5931\u8d25\u3002<\/p>\n<p>\u5982\u679c Broker \u5728\u53d1\u9001\u6d88\u606f\u540e\u5c31\u76f4\u63a5\u5220\u4e86&#xff0c;\u5c31\u4f1a\u5bfc\u81f4\u6d88\u606f\u7684\u4e22\u5931\u3002<\/p>\n<p>\u4e3a\u4e86\u4fdd\u8bc1\u6d88\u606f\u53ef\u9760\u5230\u8fbe\u6d88\u8d39\u8005\u5e76\u4e14\u6210\u529f\u5904\u7406\u4e86\u8be5\u6d88\u606f&#xff0c;RabbitMQ \u63d0\u4f9b\u4e86\u6d88\u606f\u786e\u8ba4\u673a\u5236\u3002<\/p>\n<p>\u6d88\u8d39\u8005\u5728\u8ba2\u9605\u961f\u5217\u65f6&#xff0c;\u53ef\u4ee5\u6307\u5b9a autoAck \u53c2\u6570&#xff0c;\u8be5\u53c2\u6570\u6307\u5b9a\u662f\u5426\u81ea\u52a8\u786e\u8ba4\u6d88\u606f\u3002<\/p>\n<ul>\n<li>autoAck&#061;true&#xff1a;\u6d88\u8d39\u8005\u63a5\u6536\u5230\u6d88\u606f\u540e&#xff0c;\u81ea\u52a8\u786e\u8ba4\u6d88\u606f&#xff0c;RabbitMQ Broker \u7acb\u5373\u5220\u9664\u8be5\u6d88\u606f\u3002<\/li>\n<li>autoAck&#061;false&#xff1a;\u6d88\u8d39\u8005\u63a5\u6536\u5230\u6d88\u606f\u540e&#xff0c;\u4e0d\u81ea\u52a8\u786e\u8ba4\u6d88\u606f&#xff0c;\u9700\u8981\u6d88\u8d39\u8005\u8c03\u7528 channel.basicAck() \u65b9\u6cd5\u786e\u8ba4\u6d88\u606f\u3002\u5982\u679c\u6d88\u8d39\u8005\u5904\u7406\u6d88\u606f\u65f6\u53d1\u751f\u5f02\u5e38&#xff0c;\u5219\u53ef\u4ee5\u8c03\u7528 channel.basicNack() \u65b9\u6cd5&#xff0c;\u8868\u793a\u4e0d\u786e\u8ba4\u8be5\u6d88\u606f\u7684\u63a5\u6536\u3002<\/li>\n<\/ul>\n<p>Spring AMQP \u63d0\u4f9b\u4e86\u4e09\u79cd\u6a21\u5f0f\u7684\u6d88\u606f\u786e\u8ba4<\/p>\n<ul>\n<li>AcknowledgeMode.NONE&#xff1a;\u6d88\u606f\u4e00\u7ecf\u53d1\u9001&#xff0c;\u5c31\u4e0d\u7ba1\u5b83\u4e86&#xff0c;\u4e0d\u7ba1\u6d88\u8d39\u8005\u662f\u5426\u5904\u7406\u6210\u529f&#xff0c;\u90fd\u76f4\u63a5\u786e\u8ba4\u6d88\u606f\u3002<\/li>\n<li>AcknowledgeMode.AUTO&#xff08;\u9ed8\u8ba4&#xff09;&#xff1a;\u81ea\u52a8\u786e\u8ba4&#xff0c;\u6d88\u606f\u63a5\u6536\u540e&#xff0c;\u6d88\u8d39\u8005\u5904\u7406\u6210\u529f\u65f6\u81ea\u52a8\u786e\u8ba4\u8be5\u6d88\u606f&#xff0c;\u5982\u679c\u5904\u7406\u65f6\u53d1\u9001\u5f02\u5e38&#xff0c;\u5219\u4e0d\u4f1a\u786e\u8ba4\u6d88\u606f\u3002<\/li>\n<li>AcknowledgeMode.MANUAL&#xff1a;\u624b\u52a8\u786e\u8ba4&#xff0c;\u6d88\u606f\u63a5\u6536\u540e&#xff0c;\u6d88\u8d39\u8005\u5904\u7406\u6210\u529f\u65f6&#xff0c;\u9700\u8981\u8c03\u7528 channel.basicAck() \u65b9\u6cd5\u786e\u8ba4\u6d88\u606f&#xff0c;\u5982\u679c\u5904\u7406\u65f6\u53d1\u9001\u5f02\u5e38&#xff0c;\u5219\u9700\u8981\u8c03\u7528 channel.basicNack() \u65b9\u6cd5&#xff0c;\u8868\u793a\u4e0d\u786e\u8ba4\u8be5\u6d88\u606f\u7684\u63a5\u6536\u3002<\/li>\n<\/ul>\n<h3>\u4ee3\u7801\u793a\u4f8b<\/h3>\n<p><span class=\"token key atrule\">spring<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">application<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> rabbit<span class=\"token punctuation\">&#8211;<\/span>extensions<span class=\"token punctuation\">&#8211;<\/span>demo<br \/>\n  <span class=\"token key atrule\">rabbitmq<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">addresses<\/span><span class=\"token punctuation\">:<\/span> amqp<span class=\"token punctuation\">:<\/span>\/\/admin<span class=\"token punctuation\">:<\/span>admin&#064;47.94.9.33<span class=\"token punctuation\">:<\/span>5672\/extension<br \/>\n    <span class=\"token key atrule\">listener<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">simple<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token key atrule\">acknowledge-mode<\/span><span class=\"token punctuation\">:<\/span> manual<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>config<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Qualifier<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Bean<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Configuration<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RabbitMQConfig<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ackQueue&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Queue<\/span> <span class=\"token function\">ackQueue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">QueueBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>ACK_QUEUE<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ackExchange&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">DirectExchange<\/span> <span class=\"token function\">ackExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ExchangeBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">directExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>ACK_EXCHANGE<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token comment\">\/\/    &#064;Bean(&#034;binding&#034;)<\/span><br \/>\n<span class=\"token comment\">\/\/    public Binding binding(Exchange exchange, Queue queue) {<\/span><br \/>\n<span class=\"token comment\">\/\/        return BindingBuilder.bind(queue)<\/span><br \/>\n<span class=\"token comment\">\/\/                .to(exchange)<\/span><br \/>\n<span class=\"token comment\">\/\/                .with(&#034;ack&#034;)<\/span><br \/>\n<span class=\"token comment\">\/\/                .noargs();<\/span><br \/>\n<span class=\"token comment\">\/\/    }<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;binding1&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Binding<\/span> <span class=\"token function\">binding1<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ackExchange&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">DirectExchange<\/span> exchange<span class=\"token punctuation\">,<\/span> <span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ackQueue&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">Queue<\/span> queue<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">BindingBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>queue<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">to<\/span><span class=\"token punctuation\">(<\/span>exchange<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">with<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ack&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>controller<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">jakarta<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Resource<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">AmqpException<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Message<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessageDeliveryMode<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessagePostProcessor<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessageProperties<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>connection<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">CorrelationData<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RabbitTemplate<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RequestMapping<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RestController<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>nio<span class=\"token punctuation\">.<\/span>charset<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">StandardCharsets<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/producer&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RestController<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ProducerController<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Resource<\/span><span class=\"token punctuation\">(<\/span>name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;rabbitTemplate&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token class-name\">RabbitTemplate<\/span> rabbitTemplate<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/ack&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">ack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        rabbitTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">convertAndSend<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>ACK_EXCHANGE<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;ack&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u6d88\u8d39\u8005\u6d88\u606f\u786e\u8ba4\u55b5~&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u53d1\u9001\u6210\u529f&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>listener<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>rabbitmq<span class=\"token punctuation\">.<\/span>client<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Channel<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Message<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RabbitListener<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">AckListener<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;RabbitListener<\/span><span class=\"token punctuation\">(<\/span>queues <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>ACK_QUEUE<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">process<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Message<\/span> message<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Channel<\/span> channel<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">long<\/span> deliveryTag <span class=\"token operator\">&#061;<\/span> message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessageProperties<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getDeliveryTag<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u63a5\u6536\u5230\u6d88\u606f&#xff1a;%s&#xff0c;deliveryTag&#xff1a;%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBody<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;UTF-8&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                deliveryTag<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6a21\u62df\u5904\u7406\u4e1a\u52a1\u903b\u8f91&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n           <span class=\"token keyword\">int<\/span> a <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6a21\u62df\u5904\u7406\u4e1a\u52a1\u5b8c\u6210&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">basicAck<\/span><span class=\"token punctuation\">(<\/span>deliveryTag<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">basicNack<\/span><span class=\"token punctuation\">(<\/span>deliveryTag<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u6301\u4e45\u6027\u673a\u5236<\/h2>\n<h3>\u7b80\u5355\u4ecb\u7ecd<\/h3>\n<p>\u524d\u9762\u8bb2\u4e86\u6d88\u8d39\u7aef\u5904\u7406\u6d88\u606f\u65f6&#xff0c;\u6d88\u606f\u5982\u4f55\u4e0d\u4e22\u5931&#xff0c;\u4f46\u662f\u5982\u4f55\u4fdd\u8bc1 RabbitMQ \u670d\u52a1\u505c\u6389\u4ee5\u540e&#xff0c;\u751f\u4ea7\u8005\u53d1\u9001\u7684\u6d88\u606f\u4e0d\u4e22\u5931\u5462\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b&#xff0c; RabbitMQ \u9000\u51fa\u6216\u8005\u7531\u4e8e\u67d0\u79cd\u539f\u56e0\u5d29\u6e83\u65f6&#xff0c;\u4f1a\u5ffd\u89c6\u961f\u5217\u548c\u6d88\u606f\u3002<\/p>\n<p>\u4e3a\u4e86\u4fdd\u8bc1\u6d88\u606f\u6301\u4e45\u5316&#xff0c;RabbitMQ \u63d0\u4f9b\u4e86\u6301\u4e45\u5316\u673a\u5236&#xff0c;\u5206\u522b\u662f&#xff1a;\u4ea4\u6362\u673a\u6301\u4e45\u5316\u3001\u961f\u5217\u6301\u4e45\u5316\u548c\u6d88\u606f\u6301\u4e45\u5316\u3002<\/p>\n<ul>\n<li>\u4ea4\u6362\u673a\u6301\u4e45\u5316&#xff1a;\u4f7f\u7528 ExchangeBuilder.durable(true) \u65b9\u6cd5\u521b\u5efa\u7684\u4ea4\u6362\u673a&#xff0c;RabbitMQ \u4f1a\u5c06\u4ea4\u6362\u673a\u4fe1\u606f\u6301\u4e45\u5316\u5230\u78c1\u76d8&#xff0c;\u91cd\u542f RabbitMQ \u540e\u53ef\u4ee5\u81ea\u52a8\u6062\u590d\u3002<\/li>\n<li>\u961f\u5217\u6301\u4e45\u5316&#xff1a;\u4f7f\u7528 QueueBuilder.durable(true) \u65b9\u6cd5\u521b\u5efa\u7684\u961f\u5217&#xff0c;RabbitMQ \u4f1a\u5c06\u961f\u5217\u4fe1\u606f\u6301\u4e45\u5316\u5230\u78c1\u76d8&#xff0c;\u91cd\u542f RabbitMQ \u540e\u53ef\u4ee5\u81ea\u52a8\u6062\u590d\u3002<\/li>\n<li>\u6d88\u606f\u6301\u4e45\u5316&#xff1a;\u6d88\u606f\u6301\u4e45\u5316\u53ef\u4ee5\u4fdd\u8bc1\u6d88\u606f\u4e0d\u4e22\u5931&#xff0c;\u5373\u4f7f RabbitMQ \u91cd\u542f\u6216\u8005\u5d29\u6e83&#xff0c;\u6d88\u606f\u4e5f\u4e0d\u4f1a\u4e22\u5931\u3002<\/li>\n<\/ul>\n<p>\u5c06\u6240\u6709\u7684\u6d88\u606f\u90fd\u8bbe\u7f6e\u4e3a\u6301\u4e45\u5316&#xff0c;\u4f1a\u4e25\u91cd\u5f71\u54cd RabbitMQ \u7684\u6027\u80fd&#xff0c;\u8fd9\u662f\u56e0\u4e3a\u5199\u5165\u78c1\u76d8\u7684\u901f\u5ea6\u76f8\u6bd4\u4e8e\u5199\u5165\u5185\u5b58\u7684\u901f\u5ea6\u8fd8\u662f\u5f88\u6162\u7684&#xff0c;\u5bf9\u4e8e\u53ef\u9760\u6027\u4e0d\u662f\u90a3\u4e48\u9ad8\u7684\u6d88\u606f&#xff0c;\u53ef\u4ee5\u4e0d\u91c7\u7528\u6301\u4e45\u5316\u5904\u7406\u4ee5\u63d0\u9ad8\u6574\u4f53\u7684\u541e\u5410\u91cf\u3002<\/p>\n<p>\u5728\u9009\u62e9\u662f\u5426\u8981\u5c06\u6d88\u606f\u6301\u4e45\u5316\u65f6&#xff0c;\u9700\u8981\u5728\u53ef\u9760\u6027\u548c\u541e\u5410\u91cf\u4e4b\u95f4\u505a\u4e00\u4e2a\u6743\u8861\u3002<\/p>\n<p>\u5c3d\u7ba1\u8bbe\u7f6e\u4e86\u6301\u4e45\u5316&#xff0c;\u4e5f\u4e0d\u80fd\u4fdd\u8bc1\u5c31\u4e00\u5b9a\u53ef\u4ee5\u6301\u4e45\u5316\u3002\u8fd9\u662f\u56e0\u4e3a\u5728\u5c06\u8fd9\u4e9b\u6301\u4e45\u5316\u4fe1\u606f\u5199\u5165\u78c1\u76d8\u65f6\u4e5f\u662f\u9700\u8981\u65f6\u95f4\u7684&#xff0c;\u5982\u679c RabbitMQ \u5728\u8fd9\u6bb5\u65f6\u95f4\u5185\u5d29\u6e83&#xff0c;\u90a3\u4e48\u8fd9\u4e9b\u4fe1\u606f\u4e5f\u4f1a\u4e22\u5931\u3002<\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b<\/h3>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>config<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Qualifier<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Bean<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Configuration<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RabbitMQConfig<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;persistQueue&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Queue<\/span> <span class=\"token function\">persistQueue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">QueueBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">nonDurable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>PERSIST_QUEUE<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;persistExchange&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">DirectExchange<\/span> <span class=\"token function\">persistExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ExchangeBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">directExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>PERSIST_EXCHANGE<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;binding2&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Binding<\/span> <span class=\"token function\">binding2<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;persistExchange&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">Exchange<\/span> exchange<span class=\"token punctuation\">,<\/span> <span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;persistQueue&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">Queue<\/span> queue<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">BindingBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>queue<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">to<\/span><span class=\"token punctuation\">(<\/span>exchange<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">with<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;persist&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">noargs<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>controller<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">jakarta<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Resource<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">AmqpException<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Message<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessageDeliveryMode<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessagePostProcessor<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessageProperties<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>connection<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">CorrelationData<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RabbitTemplate<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RequestMapping<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RestController<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>nio<span class=\"token punctuation\">.<\/span>charset<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">StandardCharsets<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/producer&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RestController<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ProducerController<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Resource<\/span><span class=\"token punctuation\">(<\/span>name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;rabbitTemplate&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token class-name\">RabbitTemplate<\/span> rabbitTemplate<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/persist&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">persist<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">Message<\/span> message <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Message<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6d88\u8d39\u8005\u6d88\u606f\u786e\u8ba4\u55b5~&#034;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getBytes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">StandardCharsets<\/span><span class=\"token punctuation\">.<\/span>UTF_8<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">MessageProperties<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessageProperties<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">setDeliveryMode<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">MessageDeliveryMode<\/span><span class=\"token punctuation\">.<\/span>NON_PERSISTENT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        rabbitTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">convertAndSend<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>PERSIST_EXCHANGE<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;persist&#034;<\/span><span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u53d1\u9001\u6210\u529f&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u53d1\u9001\u65b9\u786e\u8ba4\u673a\u5236<\/h2>\n<h3>\u7b80\u5355\u4ecb\u7ecd<\/h3>\n<p>\u5728\u53d1\u9001\u65b9\u5c06\u6d88\u606f\u53d1\u9001\u81f3 RabbitMQ Broker \u65f6&#xff0c;\u4e5f\u6709\u53ef\u80fd\u51fa\u73b0\u6d88\u606f\u4e22\u5931\u7684\u60c5\u51b5\u3002<\/p>\n<p>\u4e3a\u4e86\u4fdd\u8bc1\u6d88\u606f\u53ef\u9760\u5230\u8fbe Broker&#xff0c;RabbitMQ \u63d0\u4f9b\u4e86\u53d1\u9001\u65b9\u786e\u8ba4\u673a\u5236\u3002<\/p>\n<p>\u53d1\u9001\u65b9\u786e\u8ba4\u673a\u5236\u662f\u6307&#xff0c;\u5728\u6d88\u606f\u53d1\u9001\u5230 Broker \u540e&#xff0c;\u53d1\u9001\u65b9\u4f1a\u7b49\u5f85 Broker \u56de\u5e94&#xff0c;\u5982\u679c\u53d1\u9001\u65b9\u6536\u5230\u6d88\u606f&#xff0c;\u5219\u53d1\u9001\u65b9\u8ba4\u4e3a\u6d88\u606f\u53d1\u9001\u6210\u529f&#xff0c;\u5982\u679c\u53d1\u9001\u65b9\u672a\u6536\u5230\u6d88\u606f&#xff0c;\u5219\u53d1\u9001\u65b9\u8ba4\u4e3a\u6d88\u606f\u53d1\u9001\u5931\u8d25&#xff0c;\u53ef\u4ee5\u91cd\u65b0\u53d1\u9001\u3002<\/p>\n<p>RabbitMQ \u63d0\u4f9b\u4e86\u4e24\u79cd\u65b9\u5f0f\u4fdd\u8bc1\u53d1\u9001\u65b9\u53d1\u9001\u7684\u6d88\u606f\u7684\u53ef\u9760\u4f20\u8f93<\/p>\n<ul>\n<li>confirm \u786e\u8ba4\u6a21\u5f0f&#xff1a;\u53d1\u9001\u65b9\u5728\u53d1\u9001\u6d88\u606f\u540e&#xff0c;\u5bf9\u53d1\u9001\u65b9\u8bbe\u7f6e\u4e00\u4e2a ConfirmCallback \u7684\u76d1\u542c&#xff0c;\u65e0\u8bba\u6d88\u606f\u662f\u5426\u62b5\u8fbe Exchange&#xff0c;\u8fd9\u4e2a\u76d1\u542c\u90fd\u4f1a\u88ab\u6267\u884c&#xff0c;\u5982\u679c\u6d88\u606f\u62b5\u8fbe\u4e86 Exchange&#xff0c;\u5219 ACK \u4e3a true&#xff0c;\u5982\u679c\u6d88\u606f\u6ca1\u6709\u62b5\u8fbe Exchange&#xff0c;\u5219 ACK \u4e3a false\u3002<\/li>\n<li>returns \u9000\u56de\u6a21\u5f0f&#xff1a;\u5c3d\u7ba1\u786e\u8ba4\u6d88\u606f\u53d1\u9001\u81f3 Exchange \u540e&#xff0c;\u4e5f\u4f9d\u7136\u4e0d\u80fd\u5b8c\u5168\u4fdd\u8bc1\u6d88\u606f\u7684\u53ef\u9760\u4f20\u8f93\u3002\u5728 Exchange \u548c Queue \u4f1a\u6709\u4e00\u4e2a Routing Key&#xff08;Binding Key&#xff09; \u7684\u7ed1\u5b9a\u5173\u7cfb&#xff0c;\u5982\u679c\u6d88\u606f\u6ca1\u6709\u5339\u914d\u5230\u4efb\u4f55\u4e00\u4e2a Queue&#xff0c;\u5219\u901a\u8fc7 returns \u6a21\u5f0f\u5219\u4f1a\u9000\u56de\u5230\u53d1\u9001\u65b9\u3002<\/li>\n<\/ul>\n<h3>\u4ee3\u7801\u793a\u4f8b<\/h3>\n<p>confirm \u786e\u8ba4\u6a21\u5f0f<\/p>\n<p><span class=\"token key atrule\">spring<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">application<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> rabbit<span class=\"token punctuation\">&#8211;<\/span>extensions<span class=\"token punctuation\">&#8211;<\/span>demo<br \/>\n  <span class=\"token key atrule\">rabbitmq<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">addresses<\/span><span class=\"token punctuation\">:<\/span> amqp<span class=\"token punctuation\">:<\/span>\/\/admin<span class=\"token punctuation\">:<\/span>admin&#064;47.94.9.33<span class=\"token punctuation\">:<\/span>5672\/extension<br \/>\n    <span class=\"token key atrule\">listener<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">simple<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token key atrule\">acknowledge-mode<\/span><span class=\"token punctuation\">:<\/span> auto<br \/>\n    <span class=\"token comment\"># \u6d88\u606f\u53d1\u9001\u786e\u8ba4\u673a\u5236<\/span><br \/>\n    <span class=\"token key atrule\">publisher-confirm-type<\/span><span class=\"token punctuation\">:<\/span> correlated<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>config<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Qualifier<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Bean<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Configuration<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RabbitMQConfig<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;confirmQueue&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Queue<\/span> <span class=\"token function\">confirmQueue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">QueueBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>CONFIRM_QUEUE<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;confirmExchange&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">DirectExchange<\/span> <span class=\"token function\">confirmExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ExchangeBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">directExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>CONFIRM_EXCHANGE<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;binding3&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Binding<\/span> <span class=\"token function\">binding3<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;confirmExchange&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">DirectExchange<\/span> directExchange<span class=\"token punctuation\">,<\/span> <span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;confirmQueue&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">Queue<\/span> queue<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">BindingBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>queue<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">to<\/span><span class=\"token punctuation\">(<\/span>directExchange<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">with<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;confirm&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>config<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ReturnedMessage<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>connection<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ConnectionFactory<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>connection<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">CorrelationData<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RabbitTemplate<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Bean<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Configuration<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * &#064;author: Themberfue<br \/>\n * &#064;date: 2025\/4\/30 21:08<br \/>\n * &#064;description:<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RabbitTemplateConfig<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">RabbitTemplate<\/span> <span class=\"token function\">rabbitTemplate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ConnectionFactory<\/span> connectionFactory<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RabbitTemplate<\/span><span class=\"token punctuation\">(<\/span>connectionFactory<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">RabbitTemplate<\/span> <span class=\"token function\">confirmRabbitTemplate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ConnectionFactory<\/span> connectionFactory<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">RabbitTemplate<\/span> rabbitTemplate <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RabbitTemplate<\/span><span class=\"token punctuation\">(<\/span>connectionFactory<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ ? \u8bbe\u7f6e\u786e\u8ba4\u6d88\u606f\u673a\u5236<\/span><br \/>\n        rabbitTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">setConfirmCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RabbitTemplate<span class=\"token punctuation\">.<\/span>ConfirmCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n            <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">confirm<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">CorrelationData<\/span> correlationData<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">boolean<\/span> ack<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> cause<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6267\u884c\u4e86confirm\u65b9\u6cd5&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ack<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u63a5\u6536\u5230\u6d88\u606f&#xff0c;\u6d88\u606fID&#xff1a;%s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                            correlationData <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">?<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">:<\/span> correlationData<span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u672a\u63a5\u6536\u5230\u6d88\u606f&#xff0c;\u6d88\u606fID&#xff1a;%s&#xff1b;\u539f\u56e0&#xff1a;%s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                            correlationData <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">?<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">:<\/span> correlationData<span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> cause<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> rabbitTemplate<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>controller<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">jakarta<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Resource<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">AmqpException<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Message<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessageDeliveryMode<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessagePostProcessor<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessageProperties<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>connection<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">CorrelationData<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RabbitTemplate<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RequestMapping<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RestController<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>nio<span class=\"token punctuation\">.<\/span>charset<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">StandardCharsets<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/producer&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RestController<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ProducerController<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Resource<\/span><span class=\"token punctuation\">(<\/span>name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;confirmRabbitTemplate&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token class-name\">RabbitTemplate<\/span> confirmRabbitTemplate<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/confirm&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">confirm<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ ! \u76f4\u63a5\u4f7f\u7528 setConfirmCallback \u4f1a\u5f71\u54cd\u5176\u4ed6\u63a5\u53e3\u7684\u8c03\u7528<\/span><br \/>\n        <span class=\"token comment\">\/\/ ! \u4e14\u53ea\u80fd\u8bbe\u7f6e\u4e00\u4e2a\u786e\u8ba4\u56de\u8c03&#xff0c;\u591a\u6b21\u53d1\u8d77\u8bf7\u6c42\u4f1a\u62a5\u9519<\/span><br \/>\n<span class=\"token comment\">\/\/        rabbitTemplate.setConfirmCallback(new RabbitTemplate.ConfirmCallback() {<\/span><br \/>\n<span class=\"token comment\">\/\/            &#064;Override<\/span><br \/>\n<span class=\"token comment\">\/\/            public void confirm(CorrelationData correlationData, boolean ack, String cause) {<\/span><br \/>\n<span class=\"token comment\">\/\/                System.out.println(&#034;\u6267\u884c\u4e86confirm\u65b9\u6cd5&#034;);<\/span><br \/>\n<span class=\"token comment\">\/\/                if (ack) {<\/span><br \/>\n<span class=\"token comment\">\/\/                    System.out.printf(&#034;\u63a5\u6536\u5230\u6d88\u606f&#xff0c;\u6d88\u606fID&#xff1a;%s\\\\n&#034;,<\/span><br \/>\n<span class=\"token comment\">\/\/                            correlationData &#061;&#061; null ? null : correlationData.getId());<\/span><br \/>\n<span class=\"token comment\">\/\/                } else {<\/span><br \/>\n<span class=\"token comment\">\/\/                    System.out.printf(&#034;\u672a\u63a5\u6536\u5230\u6d88\u606f&#xff0c;\u6d88\u606fID&#xff1a;%s\\\\n&#xff1b;\u539f\u56e0&#xff1a;%s&#034;,<\/span><br \/>\n<span class=\"token comment\">\/\/                            correlationData &#061;&#061; null ? null : correlationData.getId(), cause);<\/span><br \/>\n<span class=\"token comment\">\/\/                }<\/span><br \/>\n<span class=\"token comment\">\/\/            }<\/span><br \/>\n<span class=\"token comment\">\/\/        });<\/span><br \/>\n        <span class=\"token class-name\">CorrelationData<\/span> correlationData <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">CorrelationData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;1&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        confirmRabbitTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">convertAndSend<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>CONFIRM_EXCHANGE <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;1&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;confirm&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;confirm test&#8230;&#034;<\/span><span class=\"token punctuation\">,<\/span> correlationData<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u6d88\u606f\u53d1\u9001\u6210\u529f&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>returns \u9000\u56de\u6a21\u5f0f<\/p>\n<p><span class=\"token key atrule\">spring<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">application<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> rabbit<span class=\"token punctuation\">&#8211;<\/span>extensions<span class=\"token punctuation\">&#8211;<\/span>demo<br \/>\n  <span class=\"token key atrule\">rabbitmq<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">addresses<\/span><span class=\"token punctuation\">:<\/span> amqp<span class=\"token punctuation\">:<\/span>\/\/admin<span class=\"token punctuation\">:<\/span>admin&#064;47.94.9.33<span class=\"token punctuation\">:<\/span>5672\/extension<br \/>\n    <span class=\"token key atrule\">listener<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">simple<\/span><span class=\"token punctuation\">:<\/span><br \/>\n       <span class=\"token key atrule\">acknowledge-mode<\/span><span class=\"token punctuation\">:<\/span> auto<br \/>\n    <span class=\"token comment\"># \u6d88\u606f\u53d1\u9001\u9000\u56de\u673a\u5236<\/span><br \/>\n    <span class=\"token key atrule\">publisher-returns<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token boolean important\">true<\/span><\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>config<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ReturnedMessage<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>connection<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ConnectionFactory<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>connection<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">CorrelationData<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RabbitTemplate<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Bean<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Configuration<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * &#064;author: Themberfue<br \/>\n * &#064;date: 2025\/4\/30 21:08<br \/>\n * &#064;description:<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RabbitTemplateConfig<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">RabbitTemplate<\/span> <span class=\"token function\">rabbitTemplate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ConnectionFactory<\/span> connectionFactory<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RabbitTemplate<\/span><span class=\"token punctuation\">(<\/span>connectionFactory<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">RabbitTemplate<\/span> <span class=\"token function\">confirmRabbitTemplate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ConnectionFactory<\/span> connectionFactory<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">RabbitTemplate<\/span> rabbitTemplate <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RabbitTemplate<\/span><span class=\"token punctuation\">(<\/span>connectionFactory<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ ? \u8bbe\u7f6e\u6d88\u606f\u9000\u56de\u673a\u5236<\/span><br \/>\n        rabbitTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">setMandatory<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        rabbitTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">setReturnsCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RabbitTemplate<span class=\"token punctuation\">.<\/span>ReturnsCallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n            <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">returnedMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ReturnedMessage<\/span> returned<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6d88\u606f\u88ab\u9000\u56de&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> returned<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> rabbitTemplate<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u603b\u7ed3&#xff1a;\u5982\u4f55\u786e\u4fdd\u6d88\u606f\u7684\u53ef\u9760\u6027\u4f20\u8f93<\/h2>\n<ul>\n<li>\u53d1\u9001\u65b9 &#061;&gt; \u670d\u52a1\u7aef&#xff1a;\u901a\u8fc7\u53d1\u9001\u65b9\u786e\u8ba4\u673a\u5236&#xff0c;confirm \u786e\u8ba4\u6a21\u5f0f \u548c returns \u9000\u56de\u6a21\u5f0f&#xff0c;\u786e\u4fdd\u6d88\u606f\u53ef\u9760\u5230\u8fbe\u3002<\/li>\n<li>\u670d\u52a1\u7aef&#xff1a;\u901a\u8fc7\u6301\u4e45\u5316\u673a\u5236&#xff0c;\u4fdd\u8bc1\u6d88\u606f\u4e0d\u4e22\u5931\u3002<\/li>\n<li>\u670d\u52a1\u7aef &#061;&gt; \u63a5\u6536\u65b9&#xff1a;\u901a\u8fc7\u6d88\u606f\u786e\u8ba4\u673a\u5236&#xff0c;\u786e\u4fdd\u6d88\u606f\u88ab\u6d88\u8d39\u8005\u6b63\u786e\u6d88\u8d39\u3002<\/li>\n<\/ul>\n<h2>\u91cd\u8bd5\u673a\u5236<\/h2>\n<h3>\u7b80\u5355\u4ecb\u7ecd<\/h3>\n<p>\u6d88\u606f\u5728\u5904\u7406\u5931\u8d25\u540e&#xff0c;\u91cd\u65b0\u53d1\u9001&#xff0c;\u91cd\u65b0\u5904\u7406&#xff0c;\u8fd9\u4fbf\u662f\u6d88\u606f\u91cd\u8bd5\u673a\u5236\u3002<\/p>\n<p>RabbitMQ \u63d0\u4f9b\u4e86\u6d88\u606f\u91cd\u8bd5\u673a\u5236&#xff0c;\u53ef\u4ee5\u8bbe\u7f6e\u6d88\u606f\u6700\u5927\u91cd\u8bd5\u6b21\u6570&#xff0c;\u8d85\u8fc7\u6700\u5927\u91cd\u8bd5\u6b21\u6570\u8fd8\u672a\u6210\u529f\u6d88\u8d39&#xff0c;\u5219\u6d88\u606f\u4f1a\u88ab\u4e22\u5f03\u3002<\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b<\/h3>\n<p><span class=\"token key atrule\">spring<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">application<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> rabbit<span class=\"token punctuation\">&#8211;<\/span>extensions<span class=\"token punctuation\">&#8211;<\/span>demo<br \/>\n  <span class=\"token key atrule\">rabbitmq<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">addresses<\/span><span class=\"token punctuation\">:<\/span> amqp<span class=\"token punctuation\">:<\/span>\/\/admin<span class=\"token punctuation\">:<\/span>admin&#064;47.94.9.33<span class=\"token punctuation\">:<\/span>5672\/extension<br \/>\n    <span class=\"token key atrule\">listener<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">simple<\/span><span class=\"token punctuation\">:<\/span><br \/>\n<span class=\"token comment\">#         \u6d88\u606f\u63a5\u6536\u786e\u8ba4\u673a\u5236<\/span><br \/>\n        <span class=\"token comment\"># acknowledge-mode: manual # \u624b\u52a8\u786e\u8ba4\u65f6&#xff0c;\u91cd\u53d1\u673a\u5236\u65e0\u6548<\/span><br \/>\n       <span class=\"token key atrule\">acknowledge-mode<\/span><span class=\"token punctuation\">:<\/span> auto<br \/>\n        <span class=\"token key atrule\">retry<\/span><span class=\"token punctuation\">:<\/span><br \/>\n          <span class=\"token key atrule\">enabled<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token boolean important\">true<\/span> <span class=\"token comment\"># \u5f00\u542f\u91cd\u8bd5\u673a\u5236<\/span><br \/>\n          <span class=\"token key atrule\">initial-interval<\/span><span class=\"token punctuation\">:<\/span> 5000ms <span class=\"token comment\"># \u91cd\u53d1\u65f6\u95f4\u95f4\u9694<\/span><br \/>\n          <span class=\"token key atrule\">max-attempts<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">5<\/span> <span class=\"token comment\"># \u6700\u5927\u91cd\u8bd5\u6b21\u6570<\/span><\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>config<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Qualifier<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Bean<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Configuration<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RabbitMQConfig<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;retryQueue&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Queue<\/span> <span class=\"token function\">retryQueue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">QueueBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>RETRY_QUEUE<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;retryExchange&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">DirectExchange<\/span> <span class=\"token function\">retryExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ExchangeBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">directExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>RETRY_EXCHANGE<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;binding4&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Binding<\/span> <span class=\"token function\">binding4<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;retryExchange&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">DirectExchange<\/span> exchange<span class=\"token punctuation\">,<\/span> <span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;retryQueue&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">Queue<\/span> queue<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">BindingBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>queue<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">to<\/span><span class=\"token punctuation\">(<\/span>exchange<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">with<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;retry&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>controller<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">jakarta<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Resource<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">AmqpException<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Message<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessageDeliveryMode<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessagePostProcessor<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessageProperties<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>connection<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">CorrelationData<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RabbitTemplate<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RequestMapping<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RestController<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>nio<span class=\"token punctuation\">.<\/span>charset<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">StandardCharsets<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/producer&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RestController<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ProducerController<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Resource<\/span><span class=\"token punctuation\">(<\/span>name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;rabbitTemplate&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token class-name\">RabbitTemplate<\/span> rabbitTemplate<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/retry&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">retry<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        rabbitTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">convertAndSend<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>RETRY_EXCHANGE<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;retry&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;retry test&#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u6d88\u606f\u53d1\u9001\u6210\u529f&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>listener<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Message<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RabbitListener<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">UnsupportedEncodingException<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RetryListener<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;RabbitListener<\/span><span class=\"token punctuation\">(<\/span>queues <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>RETRY_QUEUE<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">process<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Message<\/span> message<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">UnsupportedEncodingException<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">long<\/span> deliveryTag <span class=\"token operator\">&#061;<\/span> message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessageProperties<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getDeliveryTag<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;[%s]\u6536\u5230\u6d88\u606f&#xff1a;%s&#xff0c;deliveryTag&#xff1a;%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>RETRY_QUEUE<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBody<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;UTF-8&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> deliveryTag<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> num <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u4e1a\u52a1\u5904\u7406\u5b8c\u6210&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>TTL \u673a\u5236<\/h2>\n<h3>\u7b80\u5355\u4ecb\u7ecd<\/h3>\n<p>TTL&#xff08;Time To Live&#xff09;\u673a\u5236&#xff0c;\u53ef\u4ee5\u8bbe\u7f6e\u6d88\u606f\u7684\u5b58\u6d3b\u65f6\u95f4&#xff0c;\u8d85\u8fc7\u5b58\u6d3b\u65f6\u95f4\u8fd8\u672a\u6d88\u8d39&#xff0c;\u5219\u6d88\u606f\u4f1a\u88ab\u4e22\u5f03\u3002<\/p>\n<p>RabbitMQ \u63d0\u4f9b\u4e86 TTL \u673a\u5236&#xff0c;\u53ef\u4ee5\u8bbe\u7f6e\u961f\u5217\u548c\u6d88\u606f\u7684 TTL \u503c&#xff0c;\u8d85\u8fc7 TTL \u503c\u8fd8\u672a\u6d88\u8d39&#xff0c;\u5219\u6d88\u606f\u4f1a\u88ab\u4e22\u5f03\u3002<\/p>\n<p>\u4e24\u8005\u533a\u522b&#xff1a;<\/p>\n<ul>\n<li>\u8bbe\u7f6e\u961f\u5217 TTL \u503c&#xff0c;\u4e00\u65e6\u6d88\u606f\u8fc7\u671f&#xff0c;\u5c31\u4f1a\u4ece\u961f\u5217\u4e2d\u5220\u9664\u3002\u8bbe\u7f6e\u961f\u5217\u8fc7\u671f\u65f6\u95f4&#xff0c;\u961f\u5217\u4e2d\u5df2\u8fc7\u671f\u7684\u6d88\u606f\u80af\u5b9a\u5728\u961f\u5217\u5934\u90e8&#xff0c;RabbitMQ \u53ea\u8981\u5b9a\u671f\u626b\u63cf\u5bf9\u5934\u7684\u6d88\u606f\u662f\u5426\u8fc7\u671f\u5373\u53ef\u3002<\/li>\n<li>\u8bbe\u7f6e\u6d88\u606f TTL \u503c&#xff0c;\u5373\u4f7f\u6d88\u606f\u8fc7\u671f&#xff0c;\u4e5f\u4e0d\u4f1a\u9a6c\u4e0a\u5220\u9664&#xff0c;\u53ea\u6709\u5728\u53d1\u9001\u81f3\u6d88\u8d39\u8005\u65f6\u624d\u4f1a\u68c0\u6d4b\u5176\u662f\u5426\u5df2\u7ecf\u8fc7\u671f&#xff0c;\u5982\u679c\u8fc7\u671f\u624d\u4f1a\u5220\u9664\u3002\u8bbe\u7f6e\u6d88\u606f\u8fc7\u671f\u65f6\u95f4&#xff0c;\u6bcf\u4e2a\u6d88\u606f\u7684\u8fc7\u671f\u65f6\u95f4\u90fd\u53ef\u80fd\u4e0d\u5c3d\u76f8\u540c&#xff0c;\u6240\u4ee5\u9700\u8981\u626b\u63cf\u6574\u4e2a\u961f\u5217\u7684\u6d88\u606f\u624d\u53ef\u786e\u5b9a\u662f\u5426\u8fc7\u671f&#xff0c;\u4e3a\u4e86\u786e\u4fdd\u6027\u80fd&#xff0c;\u6240\u4ee5\u91c7\u53d6\u7c7b\u4f3c\u4e8e \u61d2\u6c49\u6a21\u5f0f \u7684\u65b9\u5f0f\u3002<\/li>\n<\/ul>\n<p>\u5c06\u961f\u5217 TTL \u8bbe\u7f6e\u4e3a 30s&#xff0c;\u7b2c\u4e00\u4e2a\u6d88\u606f\u7684 TTL \u8bbe\u7f6e\u4e3a 30s&#xff0c;\u7b2c\u4e8c\u4e2a\u6d88\u606f\u7684 TTL \u8bbe\u7f6e\u4e3a 10s\u3002<\/p>\n<p>\u7406\u8bba\u4e0a\u8bf4&#xff0c;\u5728 10s \u540e&#xff0c;\u7b2c\u4e8c\u4e2a\u6d88\u606f\u5e94\u8be5\u88ab\u4e22\u5f03\u3002\u4f46\u7531\u4e8e\u8bbe\u7f6e\u4e86\u961f\u5217 TTL \u503c\u7684\u673a\u5236&#xff0c;\u53ea\u4f1a\u626b\u63cf\u961f\u5934\u7684\u6d88\u606f\u662f\u5426\u8fc7\u671f&#xff0c;\u6240\u4ee5\u5728\u7b2c\u4e00\u4e2a\u6d88\u606f\u8fc7\u671f\u4e4b\u524d&#xff0c;\u7b2c\u4e8c\u4e2a\u6d88\u606f\u4e0d\u4f1a\u88ab\u5220\u9664\u3002<\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b<\/h3>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>config<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Qualifier<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Bean<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Configuration<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RabbitMQConfig<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ttlQueue&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Queue<\/span> <span class=\"token function\">ttlQueue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">QueueBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>TTL_QUEUE<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">ttl<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20_000<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ ? \u8bbe\u7f6e\u961f\u5217\u7684 TTL \u503c<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ttlExchange&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">DirectExchange<\/span> <span class=\"token function\">ttlExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ExchangeBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">directExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>TTL_EXCHANGE<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;binding5&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Binding<\/span> <span class=\"token function\">binding5<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ttlExchange&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">DirectExchange<\/span> exchange<span class=\"token punctuation\">,<\/span> <span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ttlQueue&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">Queue<\/span> queue<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">BindingBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>queue<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">to<\/span><span class=\"token punctuation\">(<\/span>exchange<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">with<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ttl&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>controller<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">jakarta<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Resource<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">AmqpException<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Message<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessageDeliveryMode<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessagePostProcessor<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessageProperties<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>connection<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">CorrelationData<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RabbitTemplate<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RequestMapping<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RestController<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>nio<span class=\"token punctuation\">.<\/span>charset<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">StandardCharsets<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/producer&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RestController<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ProducerController<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Resource<\/span><span class=\"token punctuation\">(<\/span>name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;rabbitTemplate&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token class-name\">RabbitTemplate<\/span> rabbitTemplate<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/ttl&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">ttl<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">MessagePostProcessor<\/span> messagePostProcessor <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">MessagePostProcessor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n            <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Message<\/span> <span class=\"token function\">postProcessMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Message<\/span> message<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">AmqpException<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ ? \u8bbe\u7f6e\u6d88\u606f\u7684 TTL \u503c<\/span><br \/>\n                message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessageProperties<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">setExpiration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;10000&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> message<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        rabbitTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">convertAndSend<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>TTL_EXCHANGE<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;ttl&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;ttl test&#8230;&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                messagePostProcessor<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u6d88\u606f\u53d1\u9001\u6210\u529f&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u6b7b\u4fe1\u961f\u5217<\/h2>\n<h3>\u7b80\u5355\u4ecb\u7ecd<\/h3>\n<p>\u6b7b\u4fe1&#xff08;Dead Letter&#xff09;&#xff0c;\u5c31\u662f\u56e0\u4e3a\u67d0\u79cd\u539f\u56e0&#xff0c;\u5bfc\u81f4\u6d88\u8d39\u8005\u6d88\u8d39\u5931\u8d25\u7684\u6d88\u606f&#xff0c;\u79f0\u4e4b\u4e3a\u6b7b\u4fe1\u3002<\/p>\n<p>\u6b7b\u4fe1\u961f\u5217&#xff0c;\u5f53\u6d88\u606f\u5728\u4e00\u4e2a\u961f\u5217\u4e2d\u53d8\u6210\u6b7b\u4fe1\u65f6&#xff0c;\u5b83\u5c31\u88ab\u91cd\u65b0\u88ab\u53d1\u9001\u5230\u53e6\u4e00\u4e2a\u4ea4\u6362\u673a&#xff0c;\u8be5\u4ea4\u6362\u673a\u5c31\u662f\u6b7b\u4fe1\u4ea4\u6362\u673a&#xff08;Dead Letter Exchange&#xff09;\u3002<\/p>\n<p>\u8be5\u6b7b\u4fe1\u4ea4\u6362\u673a\u7ed1\u5b9a\u6b7b\u4fe1\u961f\u5217&#xff0c;\u5f53\u6d88\u606f\u88ab\u91cd\u65b0\u53d1\u9001\u5230\u6b7b\u4fe1\u4ea4\u6362\u673a\u65f6&#xff0c;\u5b83\u5c31\u88ab\u91cd\u65b0\u6295\u9012\u5230\u6b7b\u4fe1\u961f\u5217\u3002<\/p>\n<p>\u6d88\u606f\u53d8\u6210\u6b7b\u4fe1\u4f1a\u6709\u5982\u4e0b\u51e0\u79cd\u539f\u56e0&#xff1a;<\/p>\n<ul>\n<li>\u6d88\u606f\u88ab\u62d2\u7edd&#xff08;basic.reject \u6216 basic.nack&#xff09;\u5e76\u4e14 requeue \u53c2\u6570\u8bbe\u7f6e\u4e3a false\u3002<\/li>\n<li>\u6d88\u606f\u8fc7\u671f\u3002<\/li>\n<li>\u961f\u5217\u8fbe\u5230\u6700\u5927\u957f\u5ea6\u3002<\/li>\n<\/ul>\n<h3>\u4ee3\u7801\u793a\u4f8b<\/h3>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>config<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Qualifier<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Bean<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Configuration<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">DlConfig<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;normalQueue&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Queue<\/span> <span class=\"token function\">normalQueue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">QueueBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>NORMAL_QUEUE<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">deadLetterExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>DL_EXCHANGE<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ ? \u914d\u7f6e\u8be5\u961f\u5217\u7684\u6b7b\u4fe1\u4ea4\u6362\u673a<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">deadLetterRoutingKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;dl&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ ? \u6b7b\u4fe1\u4ea4\u6362\u673a\u7ed1\u5b9a\u6b7b\u4fe1\u961f\u5217\u7684 Routing Key<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">ttl<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10_000<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">maxLength<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10L<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ ? \u8bbe\u7f6e\u961f\u5217\u6700\u5927\u957f\u5ea6<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;normalExchange&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">DirectExchange<\/span> <span class=\"token function\">normalExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ExchangeBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">directExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>NORMAL_EXCHANGE<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;normalBinding&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Binding<\/span> <span class=\"token function\">normalBinding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;normalExchange&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">DirectExchange<\/span> exchange<span class=\"token punctuation\">,<\/span> <span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;normalQueue&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">Queue<\/span> queue<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">BindingBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>queue<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">to<\/span><span class=\"token punctuation\">(<\/span>exchange<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">with<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;normal&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;dlQueue&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Queue<\/span> <span class=\"token function\">dlQueue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">QueueBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>DL_QUEUE<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;dlExchange&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">DirectExchange<\/span> <span class=\"token function\">dlExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ExchangeBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">directExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>DL_EXCHANGE<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;dlBinding&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Binding<\/span> <span class=\"token function\">dlBinding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;dlExchange&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">DirectExchange<\/span> exchange<span class=\"token punctuation\">,<\/span> <span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;dlQueue&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">Queue<\/span> queue<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">BindingBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>queue<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">to<\/span><span class=\"token punctuation\">(<\/span>exchange<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">with<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;dl&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>listener<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>rabbitmq<span class=\"token punctuation\">.<\/span>client<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Channel<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Message<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RabbitListener<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Date<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">DlListener<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n   <span class=\"token annotation punctuation\">&#064;RabbitListener<\/span><span class=\"token punctuation\">(<\/span>queues <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>NORMAL_QUEUE<span class=\"token punctuation\">)<\/span><br \/>\n   <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">processNormal<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Message<\/span> message<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Channel<\/span> channel<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n       <span class=\"token keyword\">long<\/span> deliveryTag <span class=\"token operator\">&#061;<\/span> message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessageProperties<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getDeliveryTag<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n       <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;[%s]\u6536\u5230\u6d88\u606f&#xff1a;%s&#xff0c;deliveryTag&#xff1a;%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n               <span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>NORMAL_QUEUE<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBody<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;UTF-8&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> deliveryTag<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n       <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n           <span class=\"token keyword\">int<\/span> num <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n           channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">basicAck<\/span><span class=\"token punctuation\">(<\/span>deliveryTag<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n       <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n           channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">basicNack<\/span><span class=\"token punctuation\">(<\/span>deliveryTag<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n       <span class=\"token punctuation\">}<\/span><br \/>\n   <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;RabbitListener<\/span><span class=\"token punctuation\">(<\/span>queues <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>DL_QUEUE<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">processDl<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Message<\/span> message<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">long<\/span> deliveryTag <span class=\"token operator\">&#061;<\/span> message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessageProperties<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getDeliveryTag<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%s&#xff1a;[%s]\u6536\u5230\u6d88\u606f&#xff1a;%s&#xff0c;deliveryTag&#xff1a;%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Date<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>DL_QUEUE<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBody<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;UTF-8&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> deliveryTag<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>controller<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">jakarta<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Resource<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">AmqpException<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Message<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessageDeliveryMode<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessagePostProcessor<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessageProperties<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>connection<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">CorrelationData<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RabbitTemplate<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RequestMapping<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RestController<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>nio<span class=\"token punctuation\">.<\/span>charset<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">StandardCharsets<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Date<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/producer&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RestController<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ProducerController<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Resource<\/span><span class=\"token punctuation\">(<\/span>name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;rabbitTemplate&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token class-name\">RabbitTemplate<\/span> rabbitTemplate<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/dl&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">dl<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        rabbitTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">convertAndSend<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>NORMAL_EXCHANGE<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;normal&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;normal test&#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u6d88\u606f\u53d1\u9001\u6210\u529f&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Date<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u5ef6\u8fdf\u961f\u5217<\/h2>\n<h3>\u7b80\u5355\u4ecb\u7ecd<\/h3>\n<p>\u5ef6\u8fdf\u961f\u5217&#xff08;Delay Queue&#xff09;&#xff0c;\u5373\u6d88\u606f\u88ab\u53d1\u9001\u4ee5\u540e&#xff0c;\u5e76\u4e0d\u60f3\u8ba9\u6d88\u8d39\u8005\u7acb\u523b\u6d88\u8d39\u8be5\u6d88\u606f&#xff0c;\u800c\u662f\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\u540e\u518d\u6d88\u8d39\u3002<\/p>\n<p>\u5ef6\u8fdf\u961f\u5217\u7684\u4f7f\u7528\u573a\u666f\u6709\u5f88\u591a&#xff0c;\u6bd4\u5982&#xff1a;<\/p>\n<ul>\n<li>\u667a\u80fd\u5bb6\u5c45&#xff1a;\u667a\u80fd\u8bbe\u5907\u4ea7\u751f\u7684\u4e8b\u4ef6&#xff0c;\u5982\u5f00\u5173\u3001\u6e29\u5ea6\u53d8\u5316\u7b49&#xff0c;\u53ef\u4ee5\u5148\u5b58\u653e\u5728\u5ef6\u8fdf\u961f\u5217\u4e2d&#xff0c;\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\u540e\u518d\u6d88\u8d39\u3002<\/li>\n<li>\u65e5\u5e38\u7ba1\u7406&#xff1a;\u9884\u5b9a\u4f1a\u8bae&#xff0c;\u9700\u8981\u5728\u4f1a\u8bae\u5f00\u59cb\u524d 15 \u5206\u949f\u901a\u77e5\u53c2\u4f1a\u4eba\u5458\u3002<\/li>\n<li>\u8ba2\u5355\u5904\u7406&#xff1a;\u8ba2\u5355\u521b\u5efa\u540e&#xff0c;\u9700\u8981 30 \u5206\u949f\u540e\u624d\u4f1a\u53d1\u8d27\u3002<\/li>\n<\/ul>\n<p>RabbitMQ \u672c\u8eab\u6ca1\u6709\u63d0\u4f9b\u5ef6\u8fdf\u961f\u5217\u7684\u529f\u80fd&#xff0c;\u4f46\u662f\u57fa\u4e8e\u6d88\u606f\u8fc7\u671f\u540e\u4f1a\u53d8\u6210\u6b7b\u4fe1\u7684\u7279\u6027&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e TTL \u548c\u6b7b\u4fe1\u961f\u5217\u6765\u5b9e\u73b0\u5ef6\u8fdf\u961f\u5217\u7684\u529f\u80fd\u3002<\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b<\/h3>\n<p><span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/delay&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">delay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/\u53d1\u9001\u5e26ttl\u7684\u6d88\u606f<\/span><br \/>\n    rabbitTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">convertAndSend<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constant<\/span><span class=\"token punctuation\">.<\/span>NORMAL_EXCHANGE_NAME<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;normal&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;ttl test 10s&#8230;&#034;<\/span><span class=\"token operator\">&#043;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Date<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> messagePostProcessor <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        messagePostProcessor<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessageProperties<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">setExpiration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;10000&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/10s\u8fc7\u671f<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> messagePostProcessor<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    rabbitTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">convertAndSend<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constant<\/span><span class=\"token punctuation\">.<\/span>NORMAL_EXCHANGE_NAME<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;normal&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;ttl test 20s&#8230;&#034;<\/span><span class=\"token operator\">&#043;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Date<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> messagePostProcessor <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        messagePostProcessor<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessageProperties<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">setExpiration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;20000&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/20s\u8fc7\u671f<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> messagePostProcessor<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u53d1\u9001\u6210\u529f!&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7531\u4e8e RabbitMQ \u68c0\u67e5\u6d88\u606f\u662f\u5426\u8fc7\u671f\u7684\u673a\u5236&#xff0c;\u5982\u679c 20s \u7684\u6d88\u606f\u5148\u5230\u961f\u5217&#xff0c;\u90a3\u4e48 10s \u7684\u6d88\u606f\u53ea\u4f1a\u5728 20s \u540e\u624d\u4f1a\u88ab\u68c0\u67e5\u5230\u8fc7\u671f\u3002<\/p>\n<h3>\u5ef6\u8fdf\u961f\u5217\u63d2\u4ef6<\/h3>\n<p>RabbitMQ \u5b98\u65b9\u63d0\u4f9b\u4e86\u5ef6\u8fdf\u961f\u5217\u63d2\u4ef6&#xff0c;\u53ef\u4ee5\u5b9e\u73b0\u5ef6\u8fdf\u961f\u5217\u7684\u529f\u80fd\u3002<\/p>\n<p>\u5ef6\u8fdf\u961f\u5217\u63d2\u4ef6<\/p>\n<p>\u5b89\u88c5\u961f\u5217\u63d2\u4ef6<\/p>\n<p>\u5ef6\u8fdf\u961f\u5217\u63d2\u4ef6\u4e0b\u8f7d\u5730\u5740<\/p>\n<p>\u4e0b\u8f7d\u63d2\u4ef6\u540e&#xff0c;\u9700\u8981\u5c06\u63d2\u4ef6\u653e\u5230 RabbitMQ \u7684\u63d2\u4ef6\u76ee\u5f55&#xff08;\/usr\/lib\/rabbitmq\/plugins&#xff09;\u4e0b&#xff0c;\u7136\u540e\u91cd\u542f RabbitMQ \u670d\u52a1\u3002<\/p>\n<h4>\u4ee3\u7801\u793a\u4f8b<\/h4>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>config<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Qualifier<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Bean<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Configuration<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">DelayConfig<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;delayQueue&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Queue<\/span> <span class=\"token function\">delayQueue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">QueueBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>DELAY_QUEUE<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;delayExchange&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">DirectExchange<\/span> <span class=\"token function\">delayExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ExchangeBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">directExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>DELAY_EXCHANGE<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">delayed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ ? \u8bbe\u7f6e\u961f\u5217\u4e3a\u5ef6\u8fdf\u961f\u5217<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;delayBinding&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Binding<\/span> <span class=\"token function\">delayBinding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;delayExchange&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">DirectExchange<\/span> exchange<span class=\"token punctuation\">,<\/span> <span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;delayQueue&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">Queue<\/span> queue<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">BindingBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>queue<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">to<\/span><span class=\"token punctuation\">(<\/span>exchange<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">with<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;delay&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>listener<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Message<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RabbitListener<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Date<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">DelayListener<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;RabbitListener<\/span><span class=\"token punctuation\">(<\/span>queues <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>DELAY_QUEUE<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">processDelay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Message<\/span> message<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">long<\/span> deliveryTag <span class=\"token operator\">&#061;<\/span> message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessageProperties<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getDeliveryTag<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%s&#xff1a;[%s]\u6536\u5230\u6d88\u606f&#xff1a;%s&#xff0c;deliveryTag&#xff1a;%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Date<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>DELAY_QUEUE<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBody<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;UTF-8&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> deliveryTag<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>controller<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>ljh<span class=\"token punctuation\">.<\/span>extensions<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>constants<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">jakarta<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Resource<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">AmqpException<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Message<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessageDeliveryMode<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessagePostProcessor<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MessageProperties<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>connection<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">CorrelationData<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>amqp<span class=\"token punctuation\">.<\/span>rabbit<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RabbitTemplate<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RequestMapping<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RestController<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>nio<span class=\"token punctuation\">.<\/span>charset<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">StandardCharsets<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Date<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/producer&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RestController<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ProducerController<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Resource<\/span><span class=\"token punctuation\">(<\/span>name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;rabbitTemplate&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token class-name\">RabbitTemplate<\/span> rabbitTemplate<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/delay&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">delay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        rabbitTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">convertAndSend<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>DELAY_EXCHANGE<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;delay&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;delay test&#8230;&#034;<\/span><span class=\"token punctuation\">,<\/span> message <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessageProperties<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">setDelayLong<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20_000L<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ ? \u8bbe\u7f6e\u6d88\u606f\u7684\u5ef6\u8fdf\u53d1\u9001\u65f6\u95f4<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> message<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        rabbitTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">convertAndSend<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>DELAY_EXCHANGE<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;delay&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;delay test&#8230;&#034;<\/span><span class=\"token punctuation\">,<\/span> message <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessageProperties<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">setDelayLong<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10_000L<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ ? \u8bbe\u7f6e\u6d88\u606f\u7684\u5ef6\u8fdf\u53d1\u9001\u65f6\u95f4<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> message<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u6d88\u606f\u53d1\u9001\u6210\u529f&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Date<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u4e8b\u52a1\u673a\u5236<\/h2>\n<h3>\u7b80\u5355\u4ecb\u7ecd<\/h3>\n<p>RabbitMQ \u662f\u57fa\u4e8e AMQP \u534f\u8bae\u5b9e\u73b0\u7684&#xff0c;\u8be5\u534f\u8bae\u5b9e\u73b0\u4e86\u4e8b\u52a1\u673a\u5236&#xff0c;\u56e0\u6b64RabbitMQ\u4e5f\u652f\u6301\u4e8b\u52a1\u673a\u5236\u4e8b\u52a1\u3002<\/p>\n<p>Spring AMQP \u4e5f\u63d0\u4f9b\u4e86\u5bf9\u4e8b\u52a1\u76f8\u5173\u7684\u64cd\u4f5c\u3002RabbitMQ \u4e8b\u52a1\u5141\u8bb8\u5f00\u53d1\u8005\u786e\u4fdd\u6d88\u606f\u7684\u53d1\u9001\u548c\u63a5\u6536\u662f\u539f\u5b50\u6027\u7684&#xff0c;\u8981\u4e48\u5168\u90e8\u6210\u529f&#xff0c;\u8981\u4e48\u5168\u90e8\u5931\u8d25\u3002<\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b<\/h3>\n<p>\u914d\u7f6e\u4e8b\u52a1\u7ba1\u7406\u5668&#xff1a;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;transRabbitTemplate&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">RabbitTemplate<\/span> <span class=\"token function\">transRabbitTemplate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ConnectionFactory<\/span> connectionFactory<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\">RabbitTemplate<\/span> rabbitTemplate <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RabbitTemplate<\/span><span class=\"token punctuation\">(<\/span>connectionFactory<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    rabbitTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">setChannelTransacted<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> rabbitTemplate<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">RabbitTransactionManager<\/span> rabbitTransactionManager <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ConnectionFactory<\/span> connectionFactory<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RabbitTransactionManager<\/span><span class=\"token punctuation\">(<\/span>connectionFactory<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;transQueue&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Queue<\/span> <span class=\"token function\">transQueue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">QueueBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>TRANS_QUEUE<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Transactional<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/trans&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">trans<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\">String<\/span> msg <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;trans test&#8230;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u53d1\u9001\u7b2c\u4e00\u6761\u6d88\u606f&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> msg <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    transRabbitTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">convertAndSend<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>TRANS_QUEUE<span class=\"token punctuation\">,<\/span> msg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">int<\/span> a <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u53d1\u9001\u7b2c\u4e8c\u6761\u6d88\u606f&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> msg <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    transRabbitTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">convertAndSend<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>TRANS_QUEUE<span class=\"token punctuation\">,<\/span> msg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u6d88\u606f\u53d1\u9001\u6210\u529f&#xff1a;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u6d88\u606f\u5206\u53d1<\/h2>\n<h3>\u7b80\u5355\u4ecb\u7ecd<\/h3>\n<p>\u4e00\u4e2a\u961f\u5217\u53ef\u4ee5\u7ed9\u591a\u4e2a\u6d88\u8d39\u8005\u6d88\u8d39&#xff0c;\u9ed8\u8ba4\u60c5\u51b5\u4e0b&#xff0c;RabbitMQ \u662f\u4ee5\u8f6e\u8be2\u7684\u65b9\u5f0f\u5c06\u6d88\u606f\u5206\u53d1\u7ed9\u8fd9\u4e9b\u6d88\u8d39\u8005&#xff0c;\u4e0d\u7ba1\u8be5\u6d88\u8d39\u662f\u5426\u5df2\u7ecf\u6d88\u8d39\u5e76\u4e14\u786e\u8ba4\u3002<\/p>\n<p>\u8fd9\u79cd\u60c5\u51b5\u662f\u4e0d\u592a\u5408\u7406\u7684&#xff0c;\u5982\u679c\u6bcf\u4e2a\u6d88\u8d39\u8005\u6d88\u8d39\u7684\u80fd\u529b\u90fd\u4e0d\u540c&#xff0c;\u6709\u7684\u6d88\u8d39\u8005\u6d88\u8d39\u5feb&#xff0c;\u6709\u7684\u6162&#xff0c;\u8fd9\u4f1a\u6781\u5927\u964d\u4f4e\u6574\u4f53\u7cfb\u7edf\u7684\u541e\u5410\u91cf\u548c\u5904\u7406\u901f\u5ea6\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 channel.basicQos(int prefetchCount) \u6765\u9650\u5236\u5f53\u524d\u4fe1 \u9053\u4e0a\u7684\u6d88\u8d39\u8005\u6240\u80fd\u4fdd\u6301\u7684\u6700\u5927\u672a\u786e\u8ba4\u6d88\u606f\u7684\u6570\u91cf\u3002<\/p>\n<p>\u5f53\u8be5\u6d88\u8d39\u8005\u8fbe\u5230\u6700\u5927\u7684 prefetchCount \u9650\u5236\u65f6&#xff0c;RabbitMQ \u4f1a\u505c\u6b62\u5411\u8be5\u6d88\u8d39\u8005\u5206\u53d1\u6d88\u606f&#xff0c;\u76f4\u5230\u8be5\u6d88\u8d39\u8005\u7684\u672a\u786e\u8ba4\u6d88\u606f\u6570\u91cf\u5c0f\u4e8e prefetchCount \u65f6\u3002<\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b<\/h3>\n<p><span class=\"token key atrule\">spring<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">rabbitmq<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">listener<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">simple<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token key atrule\">acknowledge-mode<\/span><span class=\"token punctuation\">:<\/span> manual <span class=\"token comment\"># \u624b\u52a8\u786e\u8ba4<\/span><br \/>\n        <span class=\"token key atrule\">prefetch<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">5<\/span> <span class=\"token comment\"># \u961f\u5217\u6700\u5927\u63a5\u6536\u4e94\u6761\u6d88\u606f<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;qosQueue&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Queue<\/span> <span class=\"token function\">qosQueue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">QueueBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>QOS_QUEUE<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;qosExchange&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">DirectExchange<\/span> <span class=\"token function\">qosExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ExchangeBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">directExchange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>QOS_EXCHANGE<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">durable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;qosBinding&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Binding<\/span> <span class=\"token function\">qosBinding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;qosExchange&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">DirectExchange<\/span> exchange<span class=\"token punctuation\">,<\/span> <span class=\"token annotation punctuation\">&#064;Qualifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;qosQueue&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">Queue<\/span> queue<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">BindingBuilder<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>queue<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">to<\/span><span class=\"token punctuation\">(<\/span>exchange<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token keyword\">with<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;qos&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/qos&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">qos<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        rabbitTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">convertAndSend<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>QOS_EXCHANGE<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;qos&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;qos test&#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u6d88\u606f\u53d1\u9001\u6210\u529f&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Date<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;RabbitListener<\/span><span class=\"token punctuation\">(<\/span>queues <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Constants<\/span><span class=\"token punctuation\">.<\/span>QOS_QUEUE<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">process<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Message<\/span> message<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Channel<\/span> channel<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">long<\/span> deliveryTag <span class=\"token operator\">&#061;<\/span> message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessageProperties<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getDeliveryTag<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u63a5\u6536\u5230\u6d88\u606f&#xff1a;%s&#xff0c;deliveryTag&#xff1a;%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBody<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;UTF-8&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            deliveryTag<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6a21\u62df\u5904\u7406\u4e1a\u52a1\u903b\u8f91&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6a21\u62df\u5904\u7406\u4e1a\u52a1\u5b8c\u6210&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/            channel.basicAck(deliveryTag, false);<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">basicNack<\/span><span class=\"token punctuation\">(<\/span>deliveryTag<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>\u5e94\u7528\u573a\u666f<\/h3>\n<ul>\n<li>\u9650\u6d41&#xff1a;\u53ef\u4ee5\u6839\u636e\u6d88\u8d39\u8005\u7684\u5904\u7406\u80fd\u529b&#xff0c;\u8bbe\u7f6e prefetchCount \u9650\u5236\u6bcf\u4e2a\u6d88\u8d39\u8005\u6240\u80fd\u63a5\u6536\u7684\u6d88\u606f\u6570\u91cf&#xff0c;\u4ece\u800c\u8fbe\u5230\u9650\u6d41\u7684\u76ee\u7684\u3002<\/li>\n<li>\u8d1f\u8f7d\u5747\u8861&#xff1a;\u901a\u8fc7\u5c06 prefetchCount \u8bbe\u7f6e\u4e3a 1&#xff0c;\u901a\u8fc7\u8bbe prefetch &#061; 1 \u7684\u65b9\u5f0f&#xff0c;\u544a\u8bc9 RabbitMQ \u4e00\u6b21\u53ea\u7ed9\u4e00\u4e2a\u6d88\u8d39\u8005\u4e00\u6761\u6d88\u606f&#xff0c;\u4e5f\u5c31\u662f\u8bf4&#xff0c;\u5728\u5904\u7406\u5e76\u786e\u8ba4\u524d\u4e00\u6761\u6d88\u606f\u4e4b\u524d&#xff0c;\u4e0d\u8981\u5411\u8be5\u6d88\u8d39\u8005\u53d1\u9001\u65b0\u6d88\u606f\u3002\u76f8\u53cd&#xff0c;\u5b83\u4f1a\u5c06\u5b83\u5206\u6d3e\u7ed9\u4e0b\u4e00\u4e2a\u4e0d\u5fd9\u7684\u6d88\u8d39\u8005\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb948\u6b21\uff0c\u70b9\u8d5e12\u6b21\uff0c\u6536\u85cf24\u6b21\u3002\u524d\u9762\u8bb2\u4e86\u6d88\u8d39\u7aef\u5904\u7406\u6d88\u606f\u65f6\uff0c\u6d88\u606f\u5982\u4f55\u4e0d\u4e22\u5931\uff0c\u4f46\u662f\u5982\u4f55\u4fdd\u8bc1RabbitMQ\u670d\u52a1\u505c\u6389\u4ee5\u540e\uff0c\u751f\u4ea7\u8005\u53d1\u9001\u7684\u6d88\u606f\u4e0d\u4e22\u5931\u5462\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cRabbitMQ\u9000\u51fa\u6216\u8005\u7531\u4e8e\u67d0\u79cd\u539f\u56e0\u5d29\u6e83\u65f6\uff0c\u4f1a\u5ffd\u89c6\u961f\u5217\u548c\u6d88\u606f\u3002\u4e3a\u4e86\u4fdd\u8bc1\u6d88\u606f\u6301\u4e45\u5316\uff0cRabbitMQ \u63d0\u4f9b\u4e86\u6301\u4e45\u5316\u673a\u5236\uff0c\u5206\u522b\u662f\uff1a\u4ea4\u6362\u673a\u6301\u4e45\u5316\u3001\u961f\u5217\u6301\u4e45\u5316\u548c\u6d88\u606f\u6301\u4e45\u5316\u3002\u4ea4\u6362\u673a\u6301\u4e45\u5316\uff1a\u4f7f\u7528\u65b9\u6cd5\u521b\u5efa\u7684\u4ea4\u6362\u673a\uff0cRabbitMQ \u4f1a\u5c06\u4ea4\u6362\u673a\u4fe1\u606f\u6301\u4e45\u5316\u5230\u78c1\u76d8\uff0c\u91cd\u542f RabbitMQ \u540e\u53ef\u4ee5\u81ea\u52a8\u6062\u590d\u3002\u961f\u5217\u6301\u4e45\u5316\uff1a\u4f7f\u7528\u3002<\/p>\n","protected":false},"author":2,"featured_media":38427,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1091,99,663,101,664,292,190],"topic":[],"class_list":["post-38428","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-erlang","tag-java","tag-rabbitmq","tag-spring","tag-664","tag-292","tag-190"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>RabbitMQ \u2463-\u6301\u4e45\u5316 || \u6b7b\u4fe1\u961f\u5217 || \u5ef6\u8fdf\u961f\u5217 || \u4e8b\u52a1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/38428.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"RabbitMQ \u2463-\u6301\u4e45\u5316 || \u6b7b\u4fe1\u961f\u5217 || \u5ef6\u8fdf\u961f\u5217 || \u4e8b\u52a1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb948\u6b21\uff0c\u70b9\u8d5e12\u6b21\uff0c\u6536\u85cf24\u6b21\u3002\u524d\u9762\u8bb2\u4e86\u6d88\u8d39\u7aef\u5904\u7406\u6d88\u606f\u65f6\uff0c\u6d88\u606f\u5982\u4f55\u4e0d\u4e22\u5931\uff0c\u4f46\u662f\u5982\u4f55\u4fdd\u8bc1RabbitMQ\u670d\u52a1\u505c\u6389\u4ee5\u540e\uff0c\u751f\u4ea7\u8005\u53d1\u9001\u7684\u6d88\u606f\u4e0d\u4e22\u5931\u5462\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cRabbitMQ\u9000\u51fa\u6216\u8005\u7531\u4e8e\u67d0\u79cd\u539f\u56e0\u5d29\u6e83\u65f6\uff0c\u4f1a\u5ffd\u89c6\u961f\u5217\u548c\u6d88\u606f\u3002\u4e3a\u4e86\u4fdd\u8bc1\u6d88\u606f\u6301\u4e45\u5316\uff0cRabbitMQ \u63d0\u4f9b\u4e86\u6301\u4e45\u5316\u673a\u5236\uff0c\u5206\u522b\u662f\uff1a\u4ea4\u6362\u673a\u6301\u4e45\u5316\u3001\u961f\u5217\u6301\u4e45\u5316\u548c\u6d88\u606f\u6301\u4e45\u5316\u3002\u4ea4\u6362\u673a\u6301\u4e45\u5316\uff1a\u4f7f\u7528\u65b9\u6cd5\u521b\u5efa\u7684\u4ea4\u6362\u673a\uff0cRabbitMQ \u4f1a\u5c06\u4ea4\u6362\u673a\u4fe1\u606f\u6301\u4e45\u5316\u5230\u78c1\u76d8\uff0c\u91cd\u542f RabbitMQ \u540e\u53ef\u4ee5\u81ea\u52a8\u6062\u590d\u3002\u961f\u5217\u6301\u4e45\u5316\uff1a\u4f7f\u7528\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/38428.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-20T05:02:27+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250520050226-682c0ce240ad2.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"15 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/38428.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/38428.html\",\"name\":\"RabbitMQ \u2463-\u6301\u4e45\u5316 || \u6b7b\u4fe1\u961f\u5217 || \u5ef6\u8fdf\u961f\u5217 || \u4e8b\u52a1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2025-05-20T05:02:27+00:00\",\"dateModified\":\"2025-05-20T05:02:27+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/38428.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/38428.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/38428.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"RabbitMQ \u2463-\u6301\u4e45\u5316 || \u6b7b\u4fe1\u961f\u5217 || \u5ef6\u8fdf\u961f\u5217 || \u4e8b\u52a1\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"RabbitMQ \u2463-\u6301\u4e45\u5316 || \u6b7b\u4fe1\u961f\u5217 || \u5ef6\u8fdf\u961f\u5217 || \u4e8b\u52a1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/38428.html","og_locale":"zh_CN","og_type":"article","og_title":"RabbitMQ \u2463-\u6301\u4e45\u5316 || \u6b7b\u4fe1\u961f\u5217 || \u5ef6\u8fdf\u961f\u5217 || \u4e8b\u52a1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb948\u6b21\uff0c\u70b9\u8d5e12\u6b21\uff0c\u6536\u85cf24\u6b21\u3002\u524d\u9762\u8bb2\u4e86\u6d88\u8d39\u7aef\u5904\u7406\u6d88\u606f\u65f6\uff0c\u6d88\u606f\u5982\u4f55\u4e0d\u4e22\u5931\uff0c\u4f46\u662f\u5982\u4f55\u4fdd\u8bc1RabbitMQ\u670d\u52a1\u505c\u6389\u4ee5\u540e\uff0c\u751f\u4ea7\u8005\u53d1\u9001\u7684\u6d88\u606f\u4e0d\u4e22\u5931\u5462\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cRabbitMQ\u9000\u51fa\u6216\u8005\u7531\u4e8e\u67d0\u79cd\u539f\u56e0\u5d29\u6e83\u65f6\uff0c\u4f1a\u5ffd\u89c6\u961f\u5217\u548c\u6d88\u606f\u3002\u4e3a\u4e86\u4fdd\u8bc1\u6d88\u606f\u6301\u4e45\u5316\uff0cRabbitMQ \u63d0\u4f9b\u4e86\u6301\u4e45\u5316\u673a\u5236\uff0c\u5206\u522b\u662f\uff1a\u4ea4\u6362\u673a\u6301\u4e45\u5316\u3001\u961f\u5217\u6301\u4e45\u5316\u548c\u6d88\u606f\u6301\u4e45\u5316\u3002\u4ea4\u6362\u673a\u6301\u4e45\u5316\uff1a\u4f7f\u7528\u65b9\u6cd5\u521b\u5efa\u7684\u4ea4\u6362\u673a\uff0cRabbitMQ \u4f1a\u5c06\u4ea4\u6362\u673a\u4fe1\u606f\u6301\u4e45\u5316\u5230\u78c1\u76d8\uff0c\u91cd\u542f RabbitMQ \u540e\u53ef\u4ee5\u81ea\u52a8\u6062\u590d\u3002\u961f\u5217\u6301\u4e45\u5316\uff1a\u4f7f\u7528\u3002","og_url":"https:\/\/www.wsisp.com\/helps\/38428.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2025-05-20T05:02:27+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250520050226-682c0ce240ad2.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"15 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/38428.html","url":"https:\/\/www.wsisp.com\/helps\/38428.html","name":"RabbitMQ \u2463-\u6301\u4e45\u5316 || \u6b7b\u4fe1\u961f\u5217 || \u5ef6\u8fdf\u961f\u5217 || \u4e8b\u52a1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2025-05-20T05:02:27+00:00","dateModified":"2025-05-20T05:02:27+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/38428.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/38428.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/38428.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"RabbitMQ \u2463-\u6301\u4e45\u5316 || \u6b7b\u4fe1\u961f\u5217 || \u5ef6\u8fdf\u961f\u5217 || \u4e8b\u52a1"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/38428","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=38428"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/38428\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/38427"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=38428"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=38428"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=38428"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=38428"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}