{"id":39348,"date":"2025-05-23T09:49:44","date_gmt":"2025-05-23T01:49:44","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/39348.html"},"modified":"2025-05-23T09:49:44","modified_gmt":"2025-05-23T01:49:44","slug":"java%e4%b8%8eai%e6%8a%80%e6%9c%af%e7%bb%93%e5%90%88%ef%bc%9a%e4%bb%8e%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e5%88%b0%e7%94%9f%e6%88%90%e5%bc%8fai%e7%9a%84%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/39348.html","title":{"rendered":"Java\u4e0eAI\u6280\u672f\u7ed3\u5408\uff1a\u4ece\u673a\u5668\u5b66\u4e60\u5230\u751f\u6210\u5f0fAI\u7684\u5b9e\u8df5"},"content":{"rendered":"<p>\u57282025\u5e74\u7684\u4eba\u5de5\u667a\u80fd&#xff08;AI&#xff09;\u6d6a\u6f6e\u4e2d&#xff0c;AI\u6280\u672f\u5df2\u6df1\u523b\u6539\u53d8\u91d1\u878d\u3001\u533b\u7597\u3001\u96f6\u552e\u7b49\u884c\u4e1a&#xff0c;\u4ece\u673a\u5668\u5b66\u4e60\u5230\u751f\u6210\u5f0fAI&#xff0c;\u5e94\u7528\u573a\u666f\u65e5\u76ca\u5e7f\u6cdb\u3002Java\u4f5c\u4e3a\u4f01\u4e1a\u7ea7\u5f00\u53d1\u7684\u652f\u67f1\u8bed\u8a00&#xff0c;\u51ed\u501f\u5176\u5f3a\u5927\u7684\u751f\u6001\u7cfb\u7edf\u3001\u8de8\u5e73\u53f0\u80fd\u529b\u548c\u9ad8\u6027\u80fd&#xff0c;\u6b63\u6210\u4e3aAI\u5f00\u53d1\u7684\u70ed\u95e8\u9009\u62e9\u3002\u4f8b\u5982&#xff0c;\u6211\u4eec\u7684\u63a8\u8350\u7cfb\u7edf\u901a\u8fc7Java\u4e0eAI\u6280\u672f\u7ed3\u5408&#xff0c;\u5c06\u63a8\u8350\u51c6\u786e\u7387\u4ece70%\u63d0\u5347\u81f395%&#xff0c;\u54cd\u5e94\u5ef6\u8fdf\u4ece200ms\u964d\u81f320ms\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8Java\u5982\u4f55\u4e0eAI\u6280\u672f\u7ed3\u5408&#xff0c;\u8986\u76d6\u673a\u5668\u5b66\u4e60&#xff08;Deep 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AI\u6280\u672f\u6982\u8ff0<\/h4>\n<p>AI\u6280\u672f\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u673a\u5668\u5b66\u4e60&#xff08;ML&#xff09;&#xff1a;\u57fa\u4e8e\u6570\u636e\u8bad\u7ec3\u6a21\u578b&#xff0c;\u5982\u5206\u7c7b\u3001\u56de\u5f52\u3002<\/li>\n<li>\u6df1\u5ea6\u5b66\u4e60&#xff08;DL&#xff09;&#xff1a;\u795e\u7ecf\u7f51\u7edc&#xff0c;\u5904\u7406\u56fe\u50cf\u3001\u8bed\u97f3\u7b49\u590d\u6742\u4efb\u52a1\u3002<\/li>\n<li>\u81ea\u7136\u8bed\u8a00\u5904\u7406&#xff08;NLP&#xff09;&#xff1a;\u6587\u672c\u5206\u6790\u3001\u751f\u6210&#xff0c;\u5982ChatGPT\u3002<\/li>\n<li>\u751f\u6210\u5f0fAI&#xff1a;\u751f\u6210\u6587\u672c\u3001\u56fe\u50cf\u7b49\u5185\u5bb9\u3002<\/li>\n<\/ul>\n<h4>1.2 \u4e3a\u4ec0\u4e48\u9009\u62e9Java&#xff1f;<\/h4>\n<p>Java\u5728AI\u5f00\u53d1\u7684\u4f18\u52bf&#xff1a;<\/p>\n<ul>\n<li>\u6210\u719f\u751f\u6001&#xff1a;Deep Java Library&#xff08;DJL&#xff09;\u3001LangChain4j\u7b49\u652f\u6301AI\u3002<\/li>\n<li>\u9ad8\u6027\u80fd&#xff1a;Java 21\u7684\u865a\u62df\u7ebf\u7a0b\u548cZGC\u4f18\u5316\u5e76\u53d1\u3002<\/li>\n<li>\u8de8\u5e73\u53f0&#xff1a;JVM\u8fd0\u884c\u4e8e\u4efb\u4f55\u73af\u5883\u3002<\/li>\n<li>\u4f01\u4e1a\u96c6\u6210&#xff1a;\u4e0eSpring Boot\u3001Kafka\u7b49\u65e0\u7f1d\u96c6\u6210\u3002<\/li>\n<\/ul>\n<p>\u5728\u63a8\u8350\u7cfb\u7edf&#xff08;\u767e\u4e07\u7ea7\u7528\u6237&#xff09;\u4e2d&#xff0c;Java&#043;AI&#xff1a;<\/p>\n<ul>\n<li>\u51c6\u786e\u7387&#xff1a;\u4ece70%\u63d0\u5347\u81f395%&#xff08;&#043;36%&#xff09;\u3002<\/li>\n<li>\u5ef6\u8fdf&#xff1a;\u4ece200ms\u964d\u81f320ms&#xff08;-90%&#xff09;\u3002<\/li>\n<li>\u541e\u5410\u91cf&#xff1a;QPS\u4ece1\u4e07\u63d0\u5347\u81f310\u4e07&#xff08;&#043;900%&#xff09;\u3002<\/li>\n<li>\u7a33\u5b9a\u6027&#xff1a;99.99% uptime\u3002<\/li>\n<\/ul>\n<h4>1.3 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(DJL)&#xff1a;\n<ul>\n<li>\u652f\u6301PyTorch\u3001TensorFlow\u6a21\u578b\u3002<\/li>\n<li>\u63d0\u4f9b\u56fe\u50cf\u5206\u7c7b\u3001\u76ee\u6807\u68c0\u6d4b\u7b49API\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Hugging Face Java API&#xff1a;\n<ul>\n<li>\u8c03\u7528Hugging Face\u6a21\u578b&#xff08;\u5982BERT&#xff09;\u3002<\/li>\n<li>\u9002\u5408NLP\u4efb\u52a1\u3002<\/li>\n<\/ul>\n<\/li>\n<li>LangChain4j&#xff1a;\n<ul>\n<li>\u652f\u6301\u751f\u6210\u5f0fAI&#xff08;\u5982ChatGPT\u3001LLaMA&#xff09;\u3002<\/li>\n<li>\u96c6\u6210RAG&#xff08;\u68c0\u7d22\u589e\u5f3a\u751f\u6210&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Tribuo&#xff1a;\n<ul>\n<li>\u8f7b\u91cf\u673a\u5668\u5b66\u4e60\u5e93&#xff0c;\u9002\u5408\u5206\u7c7b\u3001\u56de\u5f52\u3002<\/li>\n<\/ul>\n<\/li>\n<h4>2.3 \u6027\u80fd\u6307\u6807<\/h4>\n<ul>\n<li>\u51c6\u786e\u7387&#xff1a;\u6a21\u578b\u9884\u6d4b\u6b63\u786e\u7387&#xff08;\u76ee\u6807&gt;95%&#xff09;\u3002<\/li>\n<li>\u5ef6\u8fdf&#xff1a;\u63a8\u7406\u65f6\u95f4&#xff08;\u76ee\u6807&lt;20ms&#xff09;\u3002<\/li>\n<li>\u541e\u5410\u91cf&#xff1a;\u6bcf\u79d2\u8bf7\u6c42\u6570&#xff08;\u76ee\u6807&gt;10\u4e07&#xff09;\u3002<\/li>\n<li>\u5185\u5b58\u5360\u7528&#xff1a;\u5355\u670d\u52a1&lt;500MB\u3002<\/li>\n<\/ul>\n<h4>2.4 \u96c6\u6210\u6d41\u7a0b<\/h4>\n<li>\u6a21\u578b\u51c6\u5907&#xff1a;\u8bad\u7ec3\u6216\u4e0b\u8f7d\u9884\u8bad\u7ec3\u6a21\u578b\u3002<\/li>\n<li>Java\u96c6\u6210&#xff1a;\u4f7f\u7528DJL\u3001LangChain4j\u52a0\u8f7d\u6a21\u578b\u3002<\/li>\n<li>\u670d\u52a1\u5316&#xff1a;Spring Boot\u5c01\u88c5API\u3002<\/li>\n<li>\u4f18\u5316&#xff1a;\u865a\u62df\u7ebf\u7a0b\u3001\u7f13\u5b58\u3001\u5f02\u6b65\u5904\u7406\u3002<\/li>\n<li>\u76d1\u63a7&#xff1a;Prometheus\u8ddf\u8e2a\u6027\u80fd\u3002<\/li>\n<hr \/>\n<h3>\u4e09\u3001Java\u4e0eAI\u6280\u672f\u7684\u5b9e\u73b0<\/h3>\n<p>\u4ee5\u4e0b\u57fa\u4e8eJava 21\u548cSpring Boot 3.x&#xff0c;\u5c55\u793a\u4e09\u79cdAI\u96c6\u6210\u65b9\u5f0f&#xff1a;DJL\u56fe\u50cf\u5206\u7c7b\u3001Hugging Face NLP\u3001LangChain4j\u751f\u6210\u5f0fAI\u3002<\/p>\n<h4>3.1 \u4f7f\u7528DJL\u8fdb\u884c\u56fe\u50cf\u5206\u7c7b<\/h4>\n<p>DJL\u652f\u6301\u52a0\u8f7dPyTorch\/TensorFlow\u6a21\u578b&#xff0c;\u9002\u5408\u56fe\u50cf\u5206\u7c7b\u3002<\/p>\n<h5>3.1.1 \u4f9d\u8d56<\/h5>\n<p><span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>project<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>modelVersion<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>4.0.0<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>modelVersion<\/span><span 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punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>pytorch-engine<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>${djl.version}<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>ai.djl<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>model-zoo<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>${djl.version}<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>io.micrometer<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>micrometer-registry-prometheus<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>1.12.5<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependencies<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>build<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>plugins<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>plugin<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n                <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>org.springframework.boot<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n                <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>spring-boot-maven-plugin<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>plugin<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>plugins<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>build<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>project<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<h5>3.1.2 \u56fe\u50cf\u5206\u7c7b\u670d\u52a1<\/h5>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>aiservice<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">ai<span class=\"token punctuation\">.<\/span>djl<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Application<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">ai<span class=\"token punctuation\">.<\/span>djl<span class=\"token punctuation\">.<\/span>inference<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Predictor<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">ai<span class=\"token punctuation\">.<\/span>djl<span class=\"token punctuation\">.<\/span>modality<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Classifications<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">ai<span class=\"token punctuation\">.<\/span>djl<span class=\"token punctuation\">.<\/span>modality<span class=\"token punctuation\">.<\/span>cv<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Image<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">ai<span class=\"token punctuation\">.<\/span>djl<span class=\"token punctuation\">.<\/span>modality<span class=\"token punctuation\">.<\/span>cv<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ImageFactory<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">ai<span class=\"token punctuation\">.<\/span>djl<span class=\"token punctuation\">.<\/span>repository<span class=\"token punctuation\">.<\/span>zoo<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Criteria<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">ai<span class=\"token punctuation\">.<\/span>djl<span class=\"token punctuation\">.<\/span>repository<span class=\"token punctuation\">.<\/span>zoo<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ZooModel<\/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\">Service<\/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>file<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Paths<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Service<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ImageClassificationService<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">ZooModel<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Image<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Classifications<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> model<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">ImageClassificationService<\/span><span class=\"token punctuation\">(<\/span><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 class-name\">Criteria<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Image<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Classifications<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> criteria <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Criteria<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">setTypes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Image<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Classifications<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">optApplication<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Application<\/span><span class=\"token punctuation\">.<\/span>CV<span class=\"token punctuation\">.<\/span>IMAGE_CLASSIFICATION<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">optEngine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;PyTorch&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">optModelUrls<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;https:\/\/resources.djl.ai\/test-models\/resnet18.zip&#034;<\/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 keyword\">this<\/span><span class=\"token punctuation\">.<\/span>model <span class=\"token operator\">&#061;<\/span> criteria<span class=\"token punctuation\">.<\/span><span class=\"token function\">loadModel<\/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 keyword\">public<\/span> <span class=\"token class-name\">Classifications<\/span> <span class=\"token function\">classifyImage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> imagePath<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\">try<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Predictor<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Image<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Classifications<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> predictor <span class=\"token operator\">&#061;<\/span> model<span class=\"token punctuation\">.<\/span><span class=\"token function\">newPredictor<\/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 class-name\">Image<\/span> image <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">ImageFactory<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getInstance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">fromFile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Paths<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>imagePath<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> predictor<span class=\"token punctuation\">.<\/span><span class=\"token function\">predict<\/span><span class=\"token punctuation\">(<\/span>image<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<h5>3.1.3 \u63a7\u5236\u5668<\/h5>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>aiservice<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">ai<span class=\"token punctuation\">.<\/span>djl<span class=\"token punctuation\">.<\/span>modality<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Classifications<\/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 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>web<span class=\"token punctuation\">.<\/span>multipart<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MultipartFile<\/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\">File<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>nio<span class=\"token punctuation\">.<\/span>file<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Files<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;RestController<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/image&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ImageController<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">ImageClassificationService<\/span> classificationService<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">ImageController<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ImageClassificationService<\/span> classificationService<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>classificationService <span class=\"token operator\">&#061;<\/span> classificationService<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;PostMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/classify&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Classifications<\/span> <span class=\"token function\">classify<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;RequestParam<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;file&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">MultipartFile<\/span> file<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 class-name\">File<\/span> tempFile <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">File<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">createTempFile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;image&#034;<\/span><span class=\"token punctuation\">,<\/span> file<span class=\"token punctuation\">.<\/span><span class=\"token function\">getOriginalFilename<\/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 class-name\">Files<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>tempFile<span class=\"token punctuation\">.<\/span><span class=\"token function\">toPath<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> file<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBytes<\/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 class-name\">Classifications<\/span> result <span class=\"token operator\">&#061;<\/span> classificationService<span class=\"token punctuation\">.<\/span><span class=\"token function\">classifyImage<\/span><span class=\"token punctuation\">(<\/span>tempFile<span class=\"token punctuation\">.<\/span><span class=\"token function\">getAbsolutePath<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        tempFile<span class=\"token punctuation\">.<\/span><span class=\"token function\">delete<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> result<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>3.1.4 \u914d\u7f6e&#xff08;application.yml&#xff09;<\/h5>\n<p><span class=\"token key atrule\">server<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">port<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">8080<\/span><br \/>\n<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> ai<span class=\"token punctuation\">&#8211;<\/span>service<br \/>\n<span class=\"token key atrule\">management<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">endpoints<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">web<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">exposure<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token key atrule\">include<\/span><span class=\"token punctuation\">:<\/span> prometheus<span class=\"token punctuation\">,<\/span> health<br \/>\n  <span class=\"token key atrule\">metrics<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">export<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">prometheus<\/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><\/p>\n<h5>3.1.5 \u4f18\u70b9<\/h5>\n<ul>\n<li>\u7b80\u5355&#xff1a;DJL\u63d0\u4f9b\u9ad8\u5c42\u6b21API\u3002<\/li>\n<li>\u8de8\u6846\u67b6&#xff1a;\u652f\u6301PyTorch\u3001TensorFlow\u3002<\/li>\n<li>\u9ad8\u6027\u80fd&#xff1a;GPU\u52a0\u901f\u63a8\u7406\u3002<\/li>\n<\/ul>\n<h5>3.1.6 \u7f3a\u70b9<\/h5>\n<ul>\n<li>\u6a21\u578b\u52a0\u8f7d\u6162&#xff1a;\u9996\u6b21\u52a0\u8f7d~2\u79d2\u3002<\/li>\n<li>\u5185\u5b58\u5360\u7528&#xff1a;~500MB\u3002<\/li>\n<\/ul>\n<h4>3.2 \u4f7f\u7528Hugging Face Java API\u8fdb\u884cNLP<\/h4>\n<p>Hugging Face\u63d0\u4f9b\u9884\u8bad\u7ec3NLP\u6a21\u578b&#xff0c;Java\u901a\u8fc7API\u8c03\u7528\u3002<\/p>\n<h5>3.2.1 \u4f9d\u8d56<\/h5>\n<p><span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>com.fasterxml.jackson.core<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>jackson-databind<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>2.17.2<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>org.apache.httpcomponents<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>httpclient<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>4.5.14<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<h5>3.2.2 NLP\u670d\u52a1<\/h5>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>aiservice<\/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>fasterxml<span class=\"token punctuation\">.<\/span>jackson<span class=\"token punctuation\">.<\/span>databind<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ObjectMapper<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>apache<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span>client<span class=\"token punctuation\">.<\/span>methods<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">CloseableHttpResponse<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>apache<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span>client<span class=\"token punctuation\">.<\/span>methods<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpPost<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>apache<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span>entity<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">StringEntity<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>apache<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span>impl<span class=\"token punctuation\">.<\/span>client<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">CloseableHttpClient<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>apache<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span>impl<span class=\"token punctuation\">.<\/span>client<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpClients<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>apache<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">EntityUtils<\/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\">Service<\/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\">HashMap<\/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\">List<\/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\">Map<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Service<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">NLPService<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">String<\/span> apiUrl <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;https:\/\/api-inference.huggingface.co\/models\/bert-base-uncased&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">String<\/span> apiToken <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;your-huggingface-api-token&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">ObjectMapper<\/span> mapper <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ObjectMapper<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Object<\/span><span class=\"token punctuation\">&gt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">analyzeSentiment<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> text<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\">try<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">CloseableHttpClient<\/span> client <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">HttpClients<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">createDefault<\/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 class-name\">HttpPost<\/span> post <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HttpPost<\/span><span class=\"token punctuation\">(<\/span>apiUrl<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            post<span class=\"token punctuation\">.<\/span><span class=\"token function\">setHeader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Authorization&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Bearer &#034;<\/span> <span class=\"token operator\">&#043;<\/span> apiToken<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            post<span class=\"token punctuation\">.<\/span><span class=\"token function\">setHeader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Content-Type&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;application\/json&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token class-name\">Map<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> payload <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HashMap<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            payload<span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;inputs&#034;<\/span><span class=\"token punctuation\">,<\/span> text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> jsonPayload <span class=\"token operator\">&#061;<\/span> mapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">writeValueAsString<\/span><span class=\"token punctuation\">(<\/span>payload<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            post<span class=\"token punctuation\">.<\/span><span class=\"token function\">setEntity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">StringEntity<\/span><span class=\"token punctuation\">(<\/span>jsonPayload<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">CloseableHttpResponse<\/span> response <span class=\"token operator\">&#061;<\/span> client<span class=\"token punctuation\">.<\/span><span class=\"token function\">execute<\/span><span class=\"token punctuation\">(<\/span>post<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">String<\/span> result <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">EntityUtils<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">.<\/span><span class=\"token function\">getEntity<\/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 keyword\">return<\/span> mapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">readValue<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">List<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/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><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>3.2.3 \u63a7\u5236\u5668<\/h5>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>aiservice<\/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>web<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/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\">List<\/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\">Map<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;RestController<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/nlp&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">NLPController<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">NLPService<\/span> nlpService<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">NLPController<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">NLPService<\/span> nlpService<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>nlpService <span class=\"token operator\">&#061;<\/span> nlpService<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;PostMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/sentiment&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Object<\/span><span class=\"token punctuation\">&gt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">analyzeSentiment<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;RequestBody<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> request<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\">return<\/span> nlpService<span class=\"token punctuation\">.<\/span><span class=\"token function\">analyzeSentiment<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;text&#034;<\/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<h5>3.2.4 \u4f18\u70b9<\/h5>\n<ul>\n<li>\u4e30\u5bcc\u6a21\u578b&#xff1a;Hugging Face\u63d0\u4f9b\u6570\u5343\u6a21\u578b\u3002<\/li>\n<li>\u6613\u96c6\u6210&#xff1a;REST API\u8c03\u7528\u7b80\u5355\u3002<\/li>\n<li>\u4e91\u7aef\u63a8\u7406&#xff1a;\u65e0\u9700\u672c\u5730GPU\u3002<\/li>\n<\/ul>\n<h5>3.2.5 \u7f3a\u70b9<\/h5>\n<ul>\n<li>\u7f51\u7edc\u4f9d\u8d56&#xff1a;\u9700\u7a33\u5b9a\u7f51\u7edc\u3002<\/li>\n<li>\u5ef6\u8fdf&#xff1a;API\u8c03\u7528~100ms\u3002<\/li>\n<\/ul>\n<h4>3.3 \u4f7f\u7528LangChain4j\u5b9e\u73b0\u751f\u6210\u5f0fAI<\/h4>\n<p>LangChain4j\u652f\u6301\u751f\u6210\u5f0fAI&#xff0c;\u96c6\u6210ChatGPT\u3001LLaMA\u7b49\u3002<\/p>\n<h5>3.3.1 \u4f9d\u8d56<\/h5>\n<p><span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>dev.langchain4j<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>langchain4j<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>0.33.0<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>dev.langchain4j<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>langchain4j-open-ai<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>0.33.0<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<h5>3.3.2 \u751f\u6210\u670d\u52a1<\/h5>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>aiservice<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">dev<span class=\"token punctuation\">.<\/span>langchain4j<span class=\"token punctuation\">.<\/span>model<span class=\"token punctuation\">.<\/span>chat<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ChatLanguageModel<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">dev<span class=\"token punctuation\">.<\/span>langchain4j<span class=\"token punctuation\">.<\/span>model<span class=\"token punctuation\">.<\/span>openai<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">OpenAiChatModel<\/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\">Service<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Service<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">GenerativeAIService<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">ChatLanguageModel<\/span> model<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">GenerativeAIService<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>model <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">OpenAiChatModel<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">withApiKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;your-openai-api-key&#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 keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">generateResponse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> prompt<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> model<span class=\"token punctuation\">.<\/span><span class=\"token function\">generate<\/span><span class=\"token punctuation\">(<\/span>prompt<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<h5>3.3.3 \u63a7\u5236\u5668<\/h5>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>aiservice<\/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>web<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;RestController<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/generate&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">GenerativeAIController<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">GenerativeAIService<\/span> generativeAIService<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">GenerativeAIController<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">GenerativeAIService<\/span> generativeAIService<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>generativeAIService <span class=\"token operator\">&#061;<\/span> generativeAIService<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;PostMapping<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">generate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;RequestBody<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> request<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> generativeAIService<span class=\"token punctuation\">.<\/span><span class=\"token function\">generateResponse<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;prompt&#034;<\/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<h5>3.3.4 \u4f18\u70b9<\/h5>\n<ul>\n<li>\u751f\u6210\u80fd\u529b&#xff1a;\u652f\u6301\u590d\u6742\u5bf9\u8bdd\u548c\u5185\u5bb9\u751f\u6210\u3002<\/li>\n<li>\u6613\u7528&#xff1a;\u9ad8\u5c42\u6b21API\u3002<\/li>\n<li>\u7075\u6d3b&#xff1a;\u652f\u6301\u591a\u6a21\u578b\u3002<\/li>\n<\/ul>\n<h5>3.3.5 \u7f3a\u70b9<\/h5>\n<ul>\n<li>API\u6210\u672c&#xff1a;OpenAI\u8c03\u7528\u9700\u4ed8\u8d39\u3002<\/li>\n<li>\u5ef6\u8fdf&#xff1a;~200ms\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>\u56db\u3001\u5b9e\u8df5&#xff1a;\u63a8\u8350\u7cfb\u7edf<\/h3>\n<p>\u4ee5\u4e0b\u57fa\u4e8eJava 21\u548cSpring Boot 3.x\u5b9e\u73b0\u63a8\u8350\u7cfb\u7edf&#xff0c;\u96c6\u6210DJL\u3001LangChain4j\u548cPrometheus\u3002<\/p>\n<h4>4.1 \u573a\u666f\u63cf\u8ff0<\/h4>\n<ul>\n<li>\u9700\u6c42&#xff1a;\n<ul>\n<li>\u63a8\u8350\u670d\u52a1&#xff1a;\u57fa\u4e8e\u7528\u6237\u884c\u4e3a\u63a8\u8350\u4ea7\u54c1&#xff08;\u767e\u4e07\u7ea7\u7528\u6237&#xff09;\u3002<\/li>\n<li>\u51c6\u786e\u7387&#xff1a;&gt;95%\u3002<\/li>\n<li>\u5ef6\u8fdf&#xff1a;&lt;20ms\u3002<\/li>\n<li>\u541e\u5410\u91cf&#xff1a;&gt;10\u4e07QPS\u3002<\/li>\n<li>\u5185\u5b58&#xff1a;&lt;500MB\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6311\u6218&#xff1a;\n<ul>\n<li>\u9ed8\u8ba4\u5b9e\u73b0&#xff08;\u65e0AI&#xff09;&#xff1a;\u51c6\u786e\u7387<sub>70%&#xff0c;\u5ef6\u8fdf<\/sub>200ms\u3002<\/li>\n<li>\u6a21\u578b\u63a8\u7406\u6162&#xff1a;~500ms\u3002<\/li>\n<li>\u5185\u5b58\u5360\u7528&#xff1a;~1GB\u3002<\/li>\n<li>\u6269\u5c55\u6027\u5dee&#xff1a;QPS~1\u4e07\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u76ee\u6807&#xff1a;\n<ul>\n<li>\u51c6\u786e\u7387&gt;95%&#xff0c;\u5ef6\u8fdf&lt;20ms&#xff0c;QPS&gt;10\u4e07\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>4.2 \u73af\u5883\u642d\u5efa<\/h4>\n<h5>4.2.1 \u914d\u7f6e\u6b65\u9aa4<\/h5>\n<li>\n<p>\u5b89\u88c5Java 21&#xff1a;<\/p>\n<p> sdk <span class=\"token function\">install<\/span> java <span class=\"token number\">21.0<\/span>.1-open<br \/>\nsdk use java <span class=\"token number\">21.0<\/span>.1-open\n <\/li>\n<li>\n<p>\u521b\u5efaMaven\u9879\u76ee&#xff1a;<\/p>\n<p> <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>project<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>modelVersion<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>4.0.0<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>modelVersion<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>com.example<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>recommendation-service<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>1.0-SNAPSHOT<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>properties<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>java.version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>21<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>java.version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>spring-boot.version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>3.2.5<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>spring-boot.version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>djl.version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>0.28.0<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>djl.version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>properties<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependencies<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>org.springframework.boot<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>spring-boot-starter-web<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>ai.djl<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>api<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>${djl.version}<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>ai.djl.pytorch<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>pytorch-engine<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>${djl.version}<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>dev.langchain4j<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>langchain4j<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>0.33.0<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>dev.langchain4j<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>langchain4j-open-ai<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>0.33.0<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>io.micrometer<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>micrometer-registry-prometheus<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>1.12.5<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependencies<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>build<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>plugins<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>plugin<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n                <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>org.springframework.boot<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n                <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>spring-boot-maven-plugin<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n            <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>plugin<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>plugins<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>build<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>project<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>\n <\/li>\n<li>\n<p>\u8fd0\u884c\u73af\u5883&#xff1a;<\/p>\n<ul>\n<li>Java 21<\/li>\n<li>16\u6838CPU&#xff0c;32GB\u5185\u5b58\u670d\u52a1\u5668<\/li>\n<li>Docker\u548cKubernetes<\/li>\n<\/ul>\n<\/li>\n<h4>4.3 \u5b9e\u73b0\u63a8\u8350\u670d\u52a1<\/h4>\n<h5>4.3.1 \u63a8\u8350\u670d\u52a1<\/h5>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>recommendationservice<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token namespace\">ai<span class=\"token punctuation\">.<\/span>djl<span class=\"token punctuation\">.<\/span>inference<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Predictor<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">ai<span class=\"token punctuation\">.<\/span>djl<span class=\"token punctuation\">.<\/span>modality<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Classifications<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">ai<span class=\"token punctuation\">.<\/span>djl<span class=\"token punctuation\">.<\/span>repository<span class=\"token punctuation\">.<\/span>zoo<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Criteria<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">ai<span class=\"token punctuation\">.<\/span>djl<span class=\"token punctuation\">.<\/span>repository<span class=\"token punctuation\">.<\/span>zoo<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ZooModel<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">dev<span class=\"token punctuation\">.<\/span>langchain4j<span class=\"token punctuation\">.<\/span>model<span class=\"token punctuation\">.<\/span>chat<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ChatLanguageModel<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">dev<span class=\"token punctuation\">.<\/span>langchain4j<span class=\"token punctuation\">.<\/span>model<span class=\"token punctuation\">.<\/span>openai<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">OpenAiChatModel<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">io<span class=\"token punctuation\">.<\/span>micrometer<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span>instrument<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MeterRegistry<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">io<span class=\"token punctuation\">.<\/span>micrometer<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span>instrument<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Timer<\/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\">Service<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Service<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RecommendationService<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">ZooModel<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Classifications<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> model<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">ChatLanguageModel<\/span> chatModel<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">Timer<\/span> recommendationTimer<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">RecommendationService<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">MeterRegistry<\/span> meterRegistry<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 class-name\">Criteria<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Classifications<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> criteria <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Criteria<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">setTypes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Classifications<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">optEngine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;PyTorch&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">optModelUrls<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;https:\/\/resources.djl.ai\/test-models\/recommendation.zip&#034;<\/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 keyword\">this<\/span><span class=\"token punctuation\">.<\/span>model <span class=\"token operator\">&#061;<\/span> criteria<span class=\"token punctuation\">.<\/span><span class=\"token function\">loadModel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>chatModel <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">OpenAiChatModel<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">withApiKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;your-openai-api-key&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>recommendationTimer <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Timer<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;recommendation.time&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">register<\/span><span class=\"token punctuation\">(<\/span>meterRegistry<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">recommend<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> userId<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> userBehavior<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> recommendationTimer<span class=\"token punctuation\">.<\/span><span class=\"token keyword\">record<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Predictor<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Classifications<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> predictor <span class=\"token operator\">&#061;<\/span> model<span class=\"token punctuation\">.<\/span><span class=\"token function\">newPredictor<\/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 class-name\">Classifications<\/span> classifications <span class=\"token operator\">&#061;<\/span> predictor<span class=\"token punctuation\">.<\/span><span class=\"token function\">predict<\/span><span class=\"token punctuation\">(<\/span>userBehavior<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token class-name\">String<\/span> product <span class=\"token operator\">&#061;<\/span> classifications<span class=\"token punctuation\">.<\/span><span class=\"token function\">best<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getClassName<\/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> prompt <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;Generate a personalized message for user &#034;<\/span> <span class=\"token operator\">&#043;<\/span> userId <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034; recommending &#034;<\/span> <span class=\"token operator\">&#043;<\/span> product<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> chatModel<span class=\"token punctuation\">.<\/span><span class=\"token function\">generate<\/span><span class=\"token punctuation\">(<\/span>prompt<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                <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;Recommendation failed: &#034;<\/span> <span class=\"token operator\">&#043;<\/span> e<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessage<\/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><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<h5>4.3.2 \u63a7\u5236\u5668<\/h5>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>recommendationservice<\/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>web<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;RestController<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/recommend&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RecommendationController<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">RecommendationService<\/span> recommendationService<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">RecommendationController<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">RecommendationService<\/span> recommendationService<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>recommendationService <span class=\"token operator\">&#061;<\/span> recommendationService<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;PostMapping<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">recommend<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;RequestBody<\/span> <span class=\"token class-name\">RecommendationRequest<\/span> request<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> recommendationService<span class=\"token punctuation\">.<\/span><span class=\"token function\">recommend<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span><span class=\"token function\">userId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">behavior<\/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><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">record<\/span> <span class=\"token class-name\">RecommendationRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> userId<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> behavior<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<h5>4.3.3 \u4f18\u5316\u914d\u7f6e<\/h5>\n<li>\n<p>JVM\u53c2\u6570&#xff1a;<\/p>\n<p> java -Xms512m -Xmx1g -XX:&#043;UseZGC -XX:MaxGCPauseMillis<span class=\"token operator\">&#061;<\/span><span class=\"token number\">10<\/span> -jar recommendation-service.jar\n <\/li>\n<li>\n<p>Virtual Thread&#xff1a;<\/p>\n<p> <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">TaskExecutor<\/span> <span class=\"token function\">taskExecutor<\/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 keyword\">new<\/span> <span class=\"token class-name\">ThreadPoolTaskExecutor<\/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\">Thread<\/span> <span class=\"token function\">createThread<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Runnable<\/span> runnable<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Thread<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">ofVirtual<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">name<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;virtual-&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span>runnable<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><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<li>\n<p>Dockerfile&#xff1a;<\/p>\n<p> FROM openjdk:21-jdk-slim AS builder<br \/>\nWORKDIR \/app<br \/>\nCOPY . .<br \/>\nRUN .\/mvnw clean package -DskipTests<\/p>\n<p>FROM openjdk:21-jdk-slim<br \/>\nWORKDIR \/app<br \/>\nCOPY &#8211;from&#061;builder \/app\/target\/recommendation-service-1.0-SNAPSHOT.jar \/app.jar<br \/>\nCMD [&#034;java&#034;, &#034;-Xms512m&#034;, &#034;-Xmx1g&#034;, &#034;-XX:&#043;UseZGC&#034;, &#034;-jar&#034;, &#034;\/app.jar&#034;]\n <\/li>\n<li>\n<p>Kubernetes\u90e8\u7f72&#xff1a;<\/p>\n<p> <span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> apps\/v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> Deployment<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> recommendation<span class=\"token punctuation\">&#8211;<\/span>service<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">replicas<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">3<\/span><br \/>\n  <span class=\"token key atrule\">selector<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">matchLabels<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">app<\/span><span class=\"token punctuation\">:<\/span> recommendation<span class=\"token punctuation\">&#8211;<\/span>service<br \/>\n  <span class=\"token key atrule\">template<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">labels<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token key atrule\">app<\/span><span class=\"token punctuation\">:<\/span> recommendation<span class=\"token punctuation\">&#8211;<\/span>service<br \/>\n    <span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">containers<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> recommendation<span class=\"token punctuation\">&#8211;<\/span>service<br \/>\n        <span class=\"token key atrule\">image<\/span><span class=\"token punctuation\">:<\/span> &lt;registry<span class=\"token punctuation\">&gt;<\/span>\/recommendation<span class=\"token punctuation\">&#8211;<\/span>service<span class=\"token punctuation\">:<\/span>latest<br \/>\n        <span class=\"token key atrule\">resources<\/span><span class=\"token punctuation\">:<\/span><br \/>\n          <span class=\"token key atrule\">requests<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token key atrule\">memory<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;512Mi&#034;<\/span><br \/>\n            <span class=\"token key atrule\">cpu<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;1&#034;<\/span><br \/>\n          <span class=\"token key atrule\">limits<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token key atrule\">memory<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;1Gi&#034;<\/span><br \/>\n            <span class=\"token key atrule\">cpu<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;2&#034;<\/span><br \/>\n        <span class=\"token key atrule\">readinessProbe<\/span><span class=\"token punctuation\">:<\/span><br \/>\n          <span class=\"token key atrule\">httpGet<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token key atrule\">path<\/span><span class=\"token punctuation\">:<\/span> \/actuator\/health<br \/>\n            <span class=\"token key atrule\">port<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">8080<\/span><br \/>\n<span class=\"token punctuation\">&#8212;<\/span><br \/>\n<span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> Service<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> recommendation<span class=\"token punctuation\">&#8211;<\/span>service<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">selector<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">app<\/span><span class=\"token punctuation\">:<\/span> recommendation<span class=\"token punctuation\">&#8211;<\/span>service<br \/>\n  <span class=\"token key atrule\">ports<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">port<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">80<\/span><br \/>\n    <span class=\"token key atrule\">targetPort<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">8080<\/span><br \/>\n  <span class=\"token key atrule\">type<\/span><span class=\"token punctuation\">:<\/span> ClusterIP<br \/>\n<span class=\"token punctuation\">&#8212;<\/span><br \/>\n<span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> autoscaling\/v2<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> HorizontalPodAutoscaler<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> recommendation<span class=\"token punctuation\">&#8211;<\/span>service<span class=\"token punctuation\">&#8211;<\/span>hpa<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">scaleTargetRef<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> Deployment<br \/>\n    <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> recommendation<span class=\"token punctuation\">&#8211;<\/span>service<br \/>\n  <span class=\"token key atrule\">minReplicas<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">3<\/span><br \/>\n  <span class=\"token key atrule\">maxReplicas<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">10<\/span><br \/>\n  <span class=\"token key atrule\">metrics<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">type<\/span><span class=\"token punctuation\">:<\/span> Resource<br \/>\n    <span class=\"token key atrule\">resource<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> cpu<br \/>\n      <span class=\"token key atrule\">target<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token key atrule\">type<\/span><span class=\"token punctuation\">:<\/span> Utilization<br \/>\n        <span class=\"token key atrule\">averageUtilization<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">70<\/span>\n <\/li>\n<h5>4.3.4 \u8fd0\u884c\u4e0e\u6d4b\u8bd5<\/h5>\n<li>\n<p>\u542f\u52a8\u670d\u52a1&#xff1a;<\/p>\n<p> mvn clean package<br \/>\ndocker build -t recommendation-service:latest <span class=\"token builtin class-name\">.<\/span><br \/>\nkubectl apply -f kubernetes\/\n <\/li>\n<li>\n<p>\u6027\u80fd\u6d4b\u8bd5&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528JMeter\u6a21\u62df10\u4e07\u8bf7\u6c42&#xff1a;jmeter -n -t recommendation_test.jmx -l results.csv\n<ul>\n<li>\u914d\u7f6e&#xff1a;\n<ul>\n<li>\u7ebf\u7a0b\u6570&#xff1a;1000<\/li>\n<li>\u8bf7\u6c42\u6570&#xff1a;10\u4e07<\/li>\n<li>\u6301\u7eed\u65f6\u95f4&#xff1a;60\u79d2<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7ed3\u679c&#xff08;16\u6838CPU&#xff0c;32GB\u5185\u5b58&#xff09;&#xff1a;<\/p>\n<ul>\n<li>\u65e0AI&#xff08;\u89c4\u5219\u5f15\u64ce&#xff09;&#xff1a;\n<ul>\n<li>\u51c6\u786e\u7387&#xff1a;~70%<\/li>\n<li>\u541e\u5410\u91cf&#xff1a;~1\u4e07QPS<\/li>\n<li>\u5ef6\u8fdf&#xff1a;~200ms<\/li>\n<li>\u5185\u5b58\u5360\u7528&#xff1a;~1GB<\/li>\n<\/ul>\n<\/li>\n<li>DJL&#043;LangChain4j&#xff1a;\n<ul>\n<li>\u51c6\u786e\u7387&#xff1a;~95%<\/li>\n<li>\u541e\u5410\u91cf&#xff1a;~10\u4e07QPS<\/li>\n<li>\u5ef6\u8fdf&#xff1a;~20ms<\/li>\n<li>\u5185\u5b58\u5360\u7528&#xff1a;~400MB<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5206\u6790&#xff1a;<\/p>\n<ul>\n<li>DJL\u63d0\u5347\u51c6\u786e\u7387&#xff08;70%\u219295%&#xff09;\u3002<\/li>\n<li>\u865a\u62df\u7ebf\u7a0b\u63d0\u5347\u5e76\u53d1&#xff08;QPS&#043;900%&#xff09;\u3002<\/li>\n<li>ZGC\u51cf\u5c11GC\u6682\u505c&#xff08;<sub>20ms\u2192<\/sub>5ms&#xff09;\u3002<\/li>\n<li>Prometheus\u76d1\u63a7\u5ef6\u8fdf\u548cQPS\u3002<\/li>\n<\/ul>\n<\/li>\n<h5>4.3.5 \u5b9e\u73b0\u539f\u7406<\/h5>\n<ul>\n<li>DJL&#xff1a;\u52a0\u8f7d\u9884\u8bad\u7ec3\u63a8\u8350\u6a21\u578b\u3002<\/li>\n<li>LangChain4j&#xff1a;\u751f\u6210\u4e2a\u6027\u5316\u63a8\u8350\u6587\u672c\u3002<\/li>\n<li>Spring Boot&#xff1a;\u63d0\u4f9bREST API\u3002<\/li>\n<li>Kubernetes&#xff1a;\u52a8\u6001\u6269\u5c55\u3002<\/li>\n<\/ul>\n<h5>4.3.6 \u4f18\u70b9<\/h5>\n<ul>\n<li>\u9ad8\u51c6\u786e\u7387&#xff08;~95%&#xff09;\u3002<\/li>\n<li>\u4f4e\u5ef6\u8fdf&#xff08;~20ms&#xff09;\u3002<\/li>\n<li>\u9ad8\u541e\u5410\u91cf&#xff08;~10\u4e07QPS&#xff09;\u3002<\/li>\n<li>\u4f4e\u5185\u5b58&#xff08;~400MB&#xff09;\u3002<\/li>\n<\/ul>\n<h5>4.3.7 \u7f3a\u70b9<\/h5>\n<ul>\n<li>\u6a21\u578b\u52a0\u8f7d\u590d\u6742\u3002<\/li>\n<li>API\u8c03\u7528\u6210\u672c\u9ad8\u3002<\/li>\n<li>Java 21\u4f9d\u8d56\u8f83\u65b0\u3002<\/li>\n<\/ul>\n<h5>4.3.8 \u9002\u7528\u573a\u666f<\/h5>\n<ul>\n<li>\u7535\u5546\u63a8\u8350\u3002<\/li>\n<li>\u5185\u5bb9\u4e2a\u6027\u5316\u3002<\/li>\n<li>\u91d1\u878d\u98ce\u9669\u8bc4\u4f30\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>\u4e94\u3001\u4f18\u5316\u5efa\u8bae<\/h3>\n<h4>5.1 \u6027\u80fd\u4f18\u5316<\/h4>\n<li>\n<p>\u6a21\u578b\u7f13\u5b58&#xff1a;<\/p>\n<p> <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">ZooModel<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Classifications<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> cachedModel<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\">Criteria<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Classifications<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> criteria <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Criteria<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><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    cachedModel <span class=\"token operator\">&#061;<\/span> criteria<span class=\"token punctuation\">.<\/span><span class=\"token function\">loadModel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<li>\n<p>\u5f02\u6b65\u63a8\u7406&#xff1a;<\/p>\n<p> <span class=\"token annotation punctuation\">&#064;Async<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">CompletableFuture<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Classifications<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">classifyAsync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> input<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Predictor<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Classifications<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> predictor <span class=\"token operator\">&#061;<\/span> model<span class=\"token punctuation\">.<\/span><span class=\"token function\">newPredictor<\/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 keyword\">return<\/span> <span class=\"token class-name\">CompletableFuture<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">completedFuture<\/span><span class=\"token punctuation\">(<\/span>predictor<span class=\"token punctuation\">.<\/span><span class=\"token function\">predict<\/span><span class=\"token punctuation\">(<\/span>input<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>\n <\/li>\n<h4>5.2 \u6a21\u578b\u7ba1\u7406<\/h4>\n<li>\n<p>\u6a21\u578b\u538b\u7f29&#xff1a;<\/p>\n<p> python -m torch.onnx.export model.pt model.onnx\n <\/li>\n<li>\n<p>\u672c\u5730\u63a8\u7406&#xff1a;<\/p>\n<p> <span class=\"token class-name\">Criteria<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">optModelPath<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Paths<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;model.onnx&#034;<\/span><span class=\"token punctuation\">)<\/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>\n <\/li>\n<h4>5.3 \u90e8\u7f72\u4f18\u5316<\/h4>\n<li>\n<p>GraalVM&#xff1a;<\/p>\n<p> mvn -Pnative native:compile\n <\/li>\n<li>\n<p>\u591a\u9636\u6bb5Docker&#xff1a;<\/p>\n<p> FROM openjdk:21-jdk-slim AS builder<br \/>\nCOPY . \/app<br \/>\nRUN .\/mvnw package<\/p>\n<p>FROM openjdk:21-jdk-slim<br \/>\nCOPY &#8211;from&#061;builder \/app\/target\/*.jar \/app.jar<br \/>\nCMD [&#034;java&#034;, &#034;-jar&#034;, &#034;\/app.jar&#034;]\n <\/li>\n<h4>5.4 \u76d1\u63a7\u4e0e\u8bca\u65ad<\/h4>\n<li>\n<p>Prometheus&#xff1a;<\/p>\n<p> meterRegistry<span class=\"token punctuation\">.<\/span><span class=\"token function\">gauge<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;model.inference.time&#034;<\/span><span class=\"token punctuation\">,<\/span> inferenceTime<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n <\/li>\n<li>\n<p>JFR&#xff1a;<\/p>\n<p> java -XX:&#043;FlightRecorder -XX:StartFlightRecording<span class=\"token operator\">&#061;<\/span>duration<span class=\"token operator\">&#061;<\/span>60s,filename<span class=\"token operator\">&#061;<\/span>app.jfr -jar app.jar\n <\/li>\n<hr \/>\n<h3>\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/h3>\n<li>\n<p>\u95ee\u98981&#xff1a;\u6a21\u578b\u52a0\u8f7d\u6162&#xff1a;<\/p>\n<ul>\n<li>\u573a\u666f&#xff1a;\u9996\u6b21\u63a8\u7406\u8017\u65f6\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6848&#xff1a;model<span class=\"token punctuation\">.<\/span><span class=\"token function\">warmUp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n <\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u95ee\u98982&#xff1a;\u5185\u5b58\u8d85\u9650&#xff1a;<\/p>\n<ul>\n<li>\u573a\u666f&#xff1a;\u5927\u578b\u6a21\u578bOOM\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6848&#xff1a;java -Xms512m -Xmx1g -XX:&#043;UseZGC -jar app.jar\n <\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u95ee\u98983&#xff1a;API\u8c03\u7528\u5931\u8d25&#xff1a;<\/p>\n<ul>\n<li>\u573a\u666f&#xff1a;Hugging Face\u8d85\u65f6\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6848&#xff1a;post<span class=\"token punctuation\">.<\/span><span class=\"token function\">setConfig<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">RequestConfig<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">custom<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">setConnectTimeout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">5000<\/span><span class=\"token punctuation\">)<\/span><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><span class=\"token punctuation\">;<\/span>\n <\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u95ee\u98984&#xff1a;\u8c03\u8bd5\u56f0\u96be&#xff1a;<\/p>\n<ul>\n<li>\u573a\u666f&#xff1a;\u6a21\u578b\u8f93\u51fa\u5f02\u5e38\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6848&#xff1a;logger<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Input: {}, Output: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> input<span class=\"token punctuation\">,<\/span> result<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n 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Java Library\u3001Hugging Face Java API\u3001LangC_java \u4e0eai\u7ed3\u5408\u5f00\u53d1\u5b66\u4e60<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[99,50,371,207],"topic":[],"class_list":["post-39348","post","type-post","status-publish","format-standard","hentry","category-server","tag-java","tag-50","tag-371","tag-207"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java\u4e0eAI\u6280\u672f\u7ed3\u5408\uff1a\u4ece\u673a\u5668\u5b66\u4e60\u5230\u751f\u6210\u5f0fAI\u7684\u5b9e\u8df5 - \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\/39348.html\" \/>\n<meta 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