{"id":42211,"date":"2025-06-07T01:10:45","date_gmt":"2025-06-06T17:10:45","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/42211.html"},"modified":"2025-06-07T01:10:45","modified_gmt":"2025-06-06T17:10:45","slug":"python-aiohttp-%e5%85%a8%e9%9d%a2%e6%8c%87%e5%8d%97%ef%bc%9a%e5%bc%82%e6%ad%a5http%e5%ae%a2%e6%88%b7%e7%ab%af-%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%a1%86%e6%9e%b6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/42211.html","title":{"rendered":"Python aiohttp \u5168\u9762\u6307\u5357\uff1a\u5f02\u6b65HTTP\u5ba2\u6237\u7aef\/\u670d\u52a1\u5668\u6846\u67b6"},"content":{"rendered":"<h4>\u8fb9\u5199\u4ee3\u7801\u96f6\u98df\u4e0d\u505c\u53e3 \u76fc\u76fc\u9ea6\u9999\u9e21\u5473\u5757 \u3001\u5361\u4e50\u6bd4&#xff08;Calbee&#xff09;\u85af\u6761\u4e09\u5144\u5f1f \u72ec\u7acb\u5c0f\u5305\u3001\u597d\u65f6kisses\u591a\u53e3\u5473\u5de7\u514b\u529b\u7cd6\u3001\u8001\u91d1\u78e8\u65b9\u3010\u9ed1\u91d1\u7cfb\u5217\u3011\u9ed1\u829d\u9ebb\u4e38<\/h4>\n<h4>\u8fb9\u5199\u4ee3\u7801\u8fb9\u8d34\u9762\u819c \u4e8b\u4e1a\u7f8e\u4e3d\u4e24\u4e0d\u8bef DR. YS \u91ce\u68ee\u535a\u58eb&#043;\u3010AOUFSE\/\u6fb3\u8299\u96ea\u7279\u8bc1\u3011377\u4e13\u7814\u7f8e\u767d\u6de1\u6591\u9762\u819c\u7ec4\u5408 \u4f18\u60e0\u52b5<\/h4>\n<h4>\u522b\u5149\u987e\u5199\u4ee3\u7801\u66f4\u8981\u591a\u559d\u8336\u6c34&#xff0c;\u63d0\u795e\u6709\u8425\u517b \u516d\u5b89\u74dc\u7247\u8336\u53f6\u8336\u9999\u4e8c\u7ea7200g 2025\u5e74\u65b0\u8336\u96e8\u524d\u76d2\u88c5\u81ea\u5df1\u559d<\/h4>\n<h4>\u8ba9AI\u6210\u4e3a\u6211\u4eec\u7684\u5f97\u529b\u52a9\u624b&#xff1a;\u300a\u7528Cursor\u73a9\u8f6cAI\u8f85\u52a9\u7f16\u7a0b\u2014\u2014\u4e0d\u5199\u4ee3\u7801\u4e5f\u80fd\u505a\u8f6f\u4ef6\u5f00\u53d1\u300b<\/h4>\n<h4>Python \u56fe\u4e66\u63a8\u8350<\/h4>\n<table>\n<tr>\u4e66\u540d\u51fa\u7248\u793e\u63a8\u8350<\/tr>\n<tbody>\n<tr>\n<td>Python\u7f16\u7a0b \u4ece\u5165\u95e8\u5230\u5b9e\u8df5 \u7b2c3\u7248&#xff08;\u56fe\u7075\u51fa\u54c1&#xff09;<\/td>\n<td>\u4eba\u6c11\u90ae\u7535\u51fa\u7248\u793e<\/td>\n<td>\u2605\u2605\u2605\u2605\u2605<\/td>\n<\/tr>\n<tr>\n<td>Python\u6570\u636e\u79d1\u5b66\u624b\u518c&#xff08;\u7b2c2\u7248&#xff09;&#xff08;\u56fe\u7075\u51fa\u54c1&#xff09;<\/td>\n<td>\u4eba\u6c11\u90ae\u7535\u51fa\u7248\u793e<\/td>\n<td>\u2605\u2605\u2605\u2605\u2605<\/td>\n<\/tr>\n<tr>\n<td>\u56fe\u5f62\u5f15\u64ce\u5f00\u53d1\u5165\u95e8&#xff1a;\u57fa\u4e8ePython\u8bed\u8a00<\/td>\n<td>\u7535\u5b50\u5de5\u4e1a\u51fa\u7248\u793e<\/td>\n<td>\u2605\u2605\u2605\u2605\u2605<\/td>\n<\/tr>\n<tr>\n<td>\u79d1\u7814\u8bba\u6587\u914d\u56fe\u7ed8\u5236\u6307\u5357 \u57fa\u4e8ePython&#xff08;\u5f02\u6b65\u56fe\u4e66\u51fa\u54c1&#xff09;<\/td>\n<td>\u4eba\u6c11\u90ae\u7535\u51fa\u7248\u793e<\/td>\n<td>\u2605\u2605\u2605\u2605\u2605<\/td>\n<\/tr>\n<tr>\n<td>Effective Python&#xff1a;\u7f16\u5199\u597dPython\u768490\u4e2a\u6709\u6548\u65b9\u6cd5&#xff08;\u7b2c2\u7248 \u82f1\u6587\u7248&#xff09;<\/td>\n<td>\u4eba\u6c11\u90ae\u7535\u51fa\u7248\u793e<\/td>\n<td>\u2605\u2605\u2605\u2605\u2605<\/td>\n<\/tr>\n<tr>\n<td>Python\u4eba\u5de5\u667a\u80fd\u4e0e\u673a\u5668\u5b66\u4e60&#xff08;\u5957\u88c5\u51685\u518c)<\/td>\n<td>\u6e05\u534e\u5927\u5b66\u51fa\u7248\u793e<\/td>\n<td>\u2605\u2605\u2605\u2605\u2605<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>JAVA \u56fe\u4e66\u63a8\u8350<\/h4>\n<table>\n<tr>\u4e66\u540d\u51fa\u7248\u793e\u63a8\u8350<\/tr>\n<tbody>\n<tr>\n<td>Java\u6838\u5fc3\u6280\u672f \u7b2c12\u7248&#xff1a;\u5377\u2160&#043;\u5377\u2161<\/td>\n<td>\u673a\u68b0\u5de5\u4e1a\u51fa\u7248\u793e<\/td>\n<td>\u2605\u2605\u2605\u2605\u2605<\/td>\n<\/tr>\n<tr>\n<td>Java\u6838\u5fc3\u6280\u672f \u7b2c11\u7248 \u5957\u88c5\u51712\u518c<\/td>\n<td>\u673a\u68b0\u5de5\u4e1a\u51fa\u7248\u793e<\/td>\n<td>\u2605\u2605\u2605\u2605\u2605<\/td>\n<\/tr>\n<tr>\n<td>Java\u8bed\u8a00\u7a0b\u5e8f\u8bbe\u8ba1\u57fa\u7840\u7bc7&#043;\u8fdb\u9636\u7bc7 \u539f\u4e66\u7b2c12\u7248 \u5957\u88c5\u51712\u518c<\/td>\n<td>\u673a\u68b0\u5de5\u4e1a\u51fa\u7248\u793e<\/td>\n<td>\u2605\u2605\u2605\u2605\u2605<\/td>\n<\/tr>\n<tr>\n<td>Java 11\u5b98\u65b9\u53c2\u8003\u624b\u518c&#xff08;\u7b2c11\u7248&#xff09;<\/td>\n<td>\u6e05\u534e\u5927\u5b66\u51fa\u7248\u793e<\/td>\n<td>\u2605\u2605\u2605\u2605\u2605<\/td>\n<\/tr>\n<tr>\n<td>Offer\u6765\u4e86&#xff1a;Java\u9762\u8bd5\u6838\u5fc3\u77e5\u8bc6\u70b9\u7cbe\u8bb2&#xff08;\u7b2c2\u7248&#xff09;(\u535a\u6587\u89c6\u70b9\u51fa\u54c1)<\/td>\n<td>\u7535\u5b50\u5de5\u4e1a\u51fa\u7248\u793e<\/td>\n<td>\u2605\u2605\u2605\u2605\u2605<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u4ec0\u4e48\u662f aiohttp&#xff1f;<\/h3>\n<p>aiohttp \u662f\u4e00\u4e2a\u57fa\u4e8e Python asyncio \u7684\u5f02\u6b65 HTTP \u5ba2\u6237\u7aef\/\u670d\u52a1\u5668\u6846\u67b6&#xff0c;\u4e13\u4e3a\u9ad8\u6027\u80fd\u7f51\u7edc\u7f16\u7a0b\u8bbe\u8ba1\u3002\u5b83\u63d0\u4f9b\u4e86&#xff1a;<\/p>\n<li>\u5f02\u6b65 HTTP \u5ba2\u6237\u7aef&#xff08;\u7c7b\u4f3c\u5f02\u6b65\u7248 requests&#xff09;<\/li>\n<li>\u5f02\u6b65 HTTP \u670d\u52a1\u5668&#xff08;\u7c7b\u4f3c\u5f02\u6b65\u7248 Flask\/Django&#xff09;<\/li>\n<li>\u5b8c\u6574\u7684 WebSocket \u652f\u6301<\/li>\n<li>\u9ad8\u6548\u7684\u8fde\u63a5\u6c60\u7ba1\u7406<\/li>\n<h3>\u6838\u5fc3\u4f18\u52bf<\/h3>\n<table>\n<tr>\u7279\u6027\u63cf\u8ff0<\/tr>\n<tbody>\n<tr>\n<td>\u5f02\u6b65\u975e\u963b\u585e<\/td>\n<td>\u5355\u7ebf\u7a0b\u5904\u7406\u6570\u5343\u5e76\u53d1\u8fde\u63a5<\/td>\n<\/tr>\n<tr>\n<td>\u9ad8\u6027\u80fd<\/td>\n<td>\u8fdc\u8d85\u540c\u6b65\u6846\u67b6&#xff08;\u5982 requests&#xff09;\u7684\u541e\u5410\u91cf<\/td>\n<\/tr>\n<tr>\n<td>\u8f7b\u91cf\u7ea7<\/td>\n<td>\u7b80\u6d01\u7684API&#xff0c;\u65e0\u590d\u6742\u4f9d\u8d56<\/td>\n<\/tr>\n<tr>\n<td>\u5168\u9762\u534f\u8bae\u652f\u6301<\/td>\n<td>HTTP\/1.1, HTTP\/2(\u5ba2\u6237\u7aef), WebSocket<\/td>\n<\/tr>\n<tr>\n<td>\u751f\u6001\u5b8c\u5584<\/td>\n<td>\u826f\u597d\u6587\u6863\u548c\u6d3b\u8dc3\u793e\u533a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u57fa\u7840\u7528\u6cd5 &#8211; HTTP\u5ba2\u6237\u7aef<\/h3>\n<h4>\u5b89\u88c5<\/h4>\n<p>pip <span class=\"token function\">install<\/span> aiohttp<\/p>\n<h4>\u57fa\u672cGET\u8bf7\u6c42<\/h4>\n<p><span class=\"token keyword\">import<\/span> aiohttp<br \/>\n<span class=\"token keyword\">import<\/span> asyncio<\/p>\n<p><span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">with<\/span> aiohttp<span class=\"token punctuation\">.<\/span>ClientSession<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> session<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">with<\/span> session<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;https:\/\/api.example.com\/data&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> response<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u72b6\u6001\u7801:&#034;<\/span><span class=\"token punctuation\">,<\/span> response<span class=\"token punctuation\">.<\/span>status<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u54cd\u5e94\u5185\u5bb9:&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">await<\/span> response<span class=\"token punctuation\">.<\/span>text<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>asyncio<span class=\"token punctuation\">.<\/span>run<span class=\"token punctuation\">(<\/span>main<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>POST\u8bf7\u6c42\u793a\u4f8b<\/h4>\n<p><span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">post_example<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">with<\/span> aiohttp<span class=\"token punctuation\">.<\/span>ClientSession<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> session<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token comment\"># \u8868\u5355\u6570\u636e<\/span><br \/>\n        <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">with<\/span> session<span class=\"token punctuation\">.<\/span>post<span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token string\">&#039;https:\/\/httpbin.org\/post&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            data<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;key&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#039;value&#039;<\/span><span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> response<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">await<\/span> response<span class=\"token punctuation\">.<\/span>json<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token comment\"># JSON\u6570\u636e<\/span><br \/>\n        <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">with<\/span> session<span class=\"token punctuation\">.<\/span>post<span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token string\">&#039;https:\/\/api.example.com\/users&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            json<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;name&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#039;Alice&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;age&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">30<\/span><span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> response<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">await<\/span> response<span class=\"token punctuation\">.<\/span>json<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h3>\u9ad8\u7ea7\u7528\u6cd5<\/h3>\n<h4>\u5e76\u53d1\u8bf7\u6c42<\/h4>\n<p><span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">fetch<\/span><span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">with<\/span> aiohttp<span class=\"token punctuation\">.<\/span>ClientSession<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> session<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">with<\/span> session<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> response<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">await<\/span> response<span class=\"token punctuation\">.<\/span>text<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">concurrent_requests<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    urls <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n        <span class=\"token string\">&#039;https:\/\/api.example.com\/item\/1&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string\">&#039;https:\/\/api.example.com\/item\/2&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string\">&#039;https:\/\/api.example.com\/item\/3&#039;<\/span><br \/>\n    <span class=\"token punctuation\">]<\/span><\/p>\n<p>    tasks <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>fetch<span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">for<\/span> url <span class=\"token keyword\">in<\/span> urls<span class=\"token punctuation\">]<\/span><br \/>\n    results <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> asyncio<span class=\"token punctuation\">.<\/span>gather<span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>tasks<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> url<span class=\"token punctuation\">,<\/span> content <span class=\"token keyword\">in<\/span> <span class=\"token builtin\">zip<\/span><span class=\"token punctuation\">(<\/span>urls<span class=\"token punctuation\">,<\/span> results<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>url<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>content<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">:<\/span><span class=\"token format-spec\">50]<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#8230;&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>asyncio<span class=\"token punctuation\">.<\/span>run<span class=\"token punctuation\">(<\/span>concurrent_requests<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>\u8d85\u65f6\u63a7\u5236<\/h4>\n<p><span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">timeout_example<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    timeout <span class=\"token operator\">&#061;<\/span> aiohttp<span class=\"token punctuation\">.<\/span>ClientTimeout<span class=\"token punctuation\">(<\/span>total<span class=\"token operator\">&#061;<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># 5\u79d2\u603b\u8d85\u65f6<\/span><\/p>\n<p>    <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">with<\/span> aiohttp<span class=\"token punctuation\">.<\/span>ClientSession<span class=\"token punctuation\">(<\/span>timeout<span class=\"token operator\">&#061;<\/span>timeout<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> session<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">try<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">with<\/span> session<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;https:\/\/slow-api.example.com&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> response<span class=\"token punctuation\">:<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">await<\/span> response<span class=\"token punctuation\">.<\/span>text<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">except<\/span> asyncio<span class=\"token punctuation\">.<\/span>TimeoutError<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8bf7\u6c42\u8d85\u65f6!&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>\u6d41\u5f0f\u5904\u7406\u5927\u54cd\u5e94<\/h4>\n<p><span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">stream_response<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">with<\/span> aiohttp<span class=\"token punctuation\">.<\/span>ClientSession<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> session<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">with<\/span> session<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;https:\/\/large-file.example.com&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> response<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">with<\/span> <span class=\"token builtin\">open<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;large_file.txt&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;wb&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> f<span class=\"token punctuation\">:<\/span><br \/>\n                <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">for<\/span> chunk <span class=\"token keyword\">in<\/span> response<span class=\"token punctuation\">.<\/span>content<span class=\"token punctuation\">.<\/span>iter_chunked<span class=\"token punctuation\">(<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                    f<span class=\"token punctuation\">.<\/span>write<span class=\"token punctuation\">(<\/span>chunk<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u5df2\u63a5\u6536 <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>chunk<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u5b57\u8282&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h3>\u670d\u52a1\u5668\u7aef\u5f00\u53d1<\/h3>\n<h4>\u57fa\u672cHTTP\u670d\u52a1\u5668<\/h4>\n<p><span class=\"token keyword\">from<\/span> aiohttp <span class=\"token keyword\">import<\/span> web<\/p>\n<p><span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">handle<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    name <span class=\"token operator\">&#061;<\/span> request<span class=\"token punctuation\">.<\/span>match_info<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;name&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;World&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> web<span class=\"token punctuation\">.<\/span>Response<span class=\"token punctuation\">(<\/span>text<span class=\"token operator\">&#061;<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;Hello, <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>name<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">!&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>app <span class=\"token operator\">&#061;<\/span> web<span class=\"token punctuation\">.<\/span>Application<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\napp<span class=\"token punctuation\">.<\/span>add_routes<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><br \/>\n    web<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/&#039;<\/span><span class=\"token punctuation\">,<\/span> handle<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    web<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/{name}&#039;<\/span><span class=\"token punctuation\">,<\/span> handle<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">if<\/span> __name__ <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;__main__&#039;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    web<span class=\"token punctuation\">.<\/span>run_app<span class=\"token punctuation\">(<\/span>app<span class=\"token punctuation\">,<\/span> port<span class=\"token operator\">&#061;<\/span><span class=\"token number\">8080<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>REST API\u793a\u4f8b<\/h4>\n<p><span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">get_users<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    users <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;id&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;name&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#039;Alice&#039;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;id&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;name&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#039;Bob&#039;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> web<span class=\"token punctuation\">.<\/span>json_response<span class=\"token punctuation\">(<\/span>users<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">create_user<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    data <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> request<span class=\"token punctuation\">.<\/span>json<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\"># \u5b9e\u9645\u5e94\u7528\u4e2d\u8fd9\u91cc\u4f1a\u4fdd\u5b58\u5230\u6570\u636e\u5e93<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> web<span class=\"token punctuation\">.<\/span>json_response<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;id&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">**<\/span>data<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> status<span class=\"token operator\">&#061;<\/span><span class=\"token number\">201<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>app <span class=\"token operator\">&#061;<\/span> web<span class=\"token punctuation\">.<\/span>Application<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\napp<span class=\"token punctuation\">.<\/span>add_routes<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><br \/>\n    web<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/api\/users&#039;<\/span><span class=\"token punctuation\">,<\/span> get_users<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    web<span class=\"token punctuation\">.<\/span>post<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/api\/users&#039;<\/span><span class=\"token punctuation\">,<\/span> create_user<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>WebSocket\u670d\u52a1\u5668<\/h4>\n<p><span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">websocket_handler<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    ws <span class=\"token operator\">&#061;<\/span> web<span class=\"token punctuation\">.<\/span>WebSocketResponse<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">await<\/span> ws<span class=\"token punctuation\">.<\/span>prepare<span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">for<\/span> msg <span class=\"token keyword\">in<\/span> ws<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> msg<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">type<\/span> <span class=\"token operator\">&#061;&#061;<\/span> aiohttp<span class=\"token punctuation\">.<\/span>WSMsgType<span class=\"token punctuation\">.<\/span>TEXT<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> msg<span class=\"token punctuation\">.<\/span>data <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;close&#039;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                <span class=\"token keyword\">await<\/span> ws<span class=\"token punctuation\">.<\/span>close<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                <span class=\"token keyword\">await<\/span> ws<span class=\"token punctuation\">.<\/span>send_str<span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;ECHO: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>msg<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">elif<\/span> msg<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">type<\/span> <span class=\"token operator\">&#061;&#061;<\/span> aiohttp<span class=\"token punctuation\">.<\/span>WSMsgType<span class=\"token punctuation\">.<\/span>ERROR<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;WebSocket\u8fde\u63a5\u5f02\u5e38\u5173\u95ed&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> ws<\/p>\n<p>app<span class=\"token punctuation\">.<\/span>add_routes<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>web<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/ws&#039;<\/span><span class=\"token punctuation\">,<\/span> websocket_handler<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h3>\u8fdb\u9636\u6269\u5c55<\/h3>\n<h4>\u4e2d\u95f4\u4ef6\u793a\u4f8b<\/h4>\n<p><span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">auth_middleware<\/span><span class=\"token punctuation\">(<\/span>app<span class=\"token punctuation\">,<\/span> handler<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">middleware<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token comment\"># \u9a8c\u8bc1API\u5bc6\u94a5<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> request<span class=\"token punctuation\">.<\/span>headers<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;X-API-Key&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!&#061;<\/span> <span class=\"token string\">&#039;SECRET_KEY&#039;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> web<span class=\"token punctuation\">.<\/span>json_response<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;error&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#039;Unauthorized&#039;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> status<span class=\"token operator\">&#061;<\/span><span class=\"token number\">401<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">await<\/span> handler<span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> middleware<\/p>\n<p>app <span class=\"token operator\">&#061;<\/span> web<span class=\"token punctuation\">.<\/span>Application<span class=\"token punctuation\">(<\/span>middlewares<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">[<\/span>auth_middleware<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>HTTP\/2\u5ba2\u6237\u7aef\u652f\u6301<\/h4>\n<p><span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">http2_request<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    conn <span class=\"token operator\">&#061;<\/span> aiohttp<span class=\"token punctuation\">.<\/span>TCPConnector<span class=\"token punctuation\">(<\/span>force_close<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">,<\/span> enable_cleanup_closed<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">with<\/span> aiohttp<span class=\"token punctuation\">.<\/span>ClientSession<span class=\"token punctuation\">(<\/span>connector<span class=\"token operator\">&#061;<\/span>conn<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> session<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">with<\/span> session<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token string\">&#039;https:\/\/http2.akamai.com\/&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            headers<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;accept&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#039;text\/html&#039;<\/span><span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> response<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;HTTP\u7248\u672c:&#034;<\/span><span class=\"token punctuation\">,<\/span> response<span class=\"token punctuation\">.<\/span>version<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5185\u5bb9:&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">await<\/span> response<span class=\"token punctuation\">.<\/span>text<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">:<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>\u6027\u80fd\u4f18\u5316\u914d\u7f6e<\/h4>\n<p><span class=\"token comment\"># \u81ea\u5b9a\u4e49\u8fde\u63a5\u5668\u914d\u7f6e<\/span><br \/>\nconnector <span class=\"token operator\">&#061;<\/span> aiohttp<span class=\"token punctuation\">.<\/span>TCPConnector<span class=\"token punctuation\">(<\/span><br \/>\n    limit<span class=\"token operator\">&#061;<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\"># \u6700\u5927\u5e76\u53d1\u8fde\u63a5\u6570<\/span><br \/>\n    limit_per_host<span class=\"token operator\">&#061;<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\"># \u5355\u4e3b\u673a\u6700\u5927\u8fde\u63a5\u6570<\/span><br \/>\n    ssl<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">False<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\"># \u7981\u7528SSL\u9a8c\u8bc1&#xff08;\u4ec5\u7528\u4e8e\u6d4b\u8bd5&#xff09;<\/span><br \/>\n    force_close<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span>  <span class=\"token comment\"># \u907f\u514d\u8fde\u63a5\u5ef6\u8fdf\u5173\u95ed<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u81ea\u5b9a\u4e49\u4f1a\u8bdd\u914d\u7f6e<\/span><br \/>\nsession <span class=\"token operator\">&#061;<\/span> aiohttp<span class=\"token punctuation\">.<\/span>ClientSession<span class=\"token punctuation\">(<\/span><br \/>\n    connector<span class=\"token operator\">&#061;<\/span>connector<span class=\"token punctuation\">,<\/span><br \/>\n    timeout<span class=\"token operator\">&#061;<\/span>aiohttp<span class=\"token punctuation\">.<\/span>ClientTimeout<span class=\"token punctuation\">(<\/span>total<span class=\"token operator\">&#061;<\/span><span class=\"token number\">30<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    headers<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;User-Agent&#039;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#039;MyApp\/1.0&#039;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    cookie_jar<span class=\"token operator\">&#061;<\/span>aiohttp<span class=\"token punctuation\">.<\/span>CookieJar<span class=\"token punctuation\">(<\/span>unsafe<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<h3>\u6700\u4f73\u5b9e\u8df5<\/h3>\n<li>\u91cd\u7528ClientSession&#xff1a;\u907f\u514d\u4e3a\u6bcf\u4e2a\u8bf7\u6c42\u521b\u5efa\u65b0\u4f1a\u8bdd<\/li>\n<li>\u4f7f\u7528\u8fde\u63a5\u6c60&#xff1a;\u5408\u7406\u914d\u7f6eTCPConnector\u53c2\u6570<\/li>\n<li>\u8d85\u65f6\u8bbe\u7f6e&#xff1a;\u603b\u662f\u914d\u7f6e\u5408\u7406\u7684\u8d85\u65f6\u65f6\u95f4<\/li>\n<li>\u8d44\u6e90\u6e05\u7406&#xff1a;\u4f7f\u7528async with\u786e\u4fdd\u8d44\u6e90\u91ca\u653e<\/li>\n<li>\u9519\u8bef\u5904\u7406&#xff1a;\u6355\u83b7\u5e76\u5904\u7406\u5e38\u89c1\u7f51\u7edc\u5f02\u5e38<span class=\"token keyword\">try<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">with<\/span> session<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> response<span class=\"token punctuation\">:<\/span><br \/>\n        response<span class=\"token punctuation\">.<\/span>raise_for_status<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">await<\/span> response<span class=\"token punctuation\">.<\/span>json<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">except<\/span> aiohttp<span class=\"token punctuation\">.<\/span>ClientError <span class=\"token keyword\">as<\/span> e<span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u8bf7\u6c42\u9519\u8bef: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>e<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span>\n <\/li>\n<h3>\u5b8c\u6574\u793a\u4f8b<\/h3>\n<p><span class=\"token keyword\">import<\/span> aiohttp<br \/>\n<span class=\"token keyword\">import<\/span> asyncio<br \/>\n<span class=\"token keyword\">from<\/span> aiohttp <span class=\"token keyword\">import<\/span> web<\/p>\n<p><span class=\"token comment\"># \u5ba2\u6237\u7aef\u793a\u4f8b<\/span><br \/>\n<span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">fetch_data<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">with<\/span> aiohttp<span class=\"token punctuation\">.<\/span>ClientSession<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> session<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token comment\"># \u5e76\u53d1\u8bf7\u6c42\u591a\u4e2aAPI<\/span><br \/>\n        urls <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n            <span class=\"token string\">&#039;https:\/\/jsonplaceholder.typicode.com\/posts\/1&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#039;https:\/\/jsonplaceholder.typicode.com\/comments\/1&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#039;https:\/\/jsonplaceholder.typicode.com\/albums\/1&#039;<\/span><br \/>\n        <span class=\"token punctuation\">]<\/span><\/p>\n<p>        tasks <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> url <span class=\"token keyword\">in<\/span> urls<span class=\"token punctuation\">:<\/span><br \/>\n            tasks<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>session<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        responses <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> asyncio<span class=\"token punctuation\">.<\/span>gather<span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>tasks<span class=\"token punctuation\">)<\/span><\/p>\n<p>        results <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> response <span class=\"token keyword\">in<\/span> responses<span class=\"token punctuation\">:<\/span><br \/>\n            results<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span><span class=\"token keyword\">await<\/span> response<span class=\"token punctuation\">.<\/span>json<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> results<\/p>\n<p><span class=\"token comment\"># \u670d\u52a1\u5668\u793a\u4f8b<\/span><br \/>\n<span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">handle_index<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> web<span class=\"token punctuation\">.<\/span>Response<span class=\"token punctuation\">(<\/span>text<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;Welcome to aiohttp server!&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">handle_api<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    data <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> fetch_data<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> web<span class=\"token punctuation\">.<\/span>json_response<span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u521b\u5efa\u5e94\u7528<\/span><br \/>\napp <span class=\"token operator\">&#061;<\/span> web<span class=\"token punctuation\">.<\/span>Application<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\napp<span class=\"token punctuation\">.<\/span>add_routes<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><br \/>\n    web<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/&#039;<\/span><span class=\"token punctuation\">,<\/span> handle_index<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    web<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/api&#039;<\/span><span class=\"token punctuation\">,<\/span> handle_api<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u542f\u52a8\u670d\u52a1\u5668<\/span><br \/>\n<span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">start_server<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    runner <span class=\"token operator\">&#061;<\/span> web<span class=\"token punctuation\">.<\/span>AppRunner<span class=\"token punctuation\">(<\/span>app<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">await<\/span> runner<span class=\"token punctuation\">.<\/span>setup<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    site <span class=\"token operator\">&#061;<\/span> web<span class=\"token punctuation\">.<\/span>TCPSite<span class=\"token punctuation\">(<\/span>runner<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;localhost&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">8080<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">await<\/span> site<span class=\"token punctuation\">.<\/span>start<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Server running at http:\/\/localhost:8080&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u4fdd\u6301\u8fd0\u884c<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token boolean\">True<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">await<\/span> asyncio<span class=\"token punctuation\">.<\/span>sleep<span class=\"token punctuation\">(<\/span><span class=\"token number\">3600<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6bcf\u5c0f\u65f6\u5524\u9192\u4e00\u6b21<\/span><\/p>\n<p><span class=\"token keyword\">if<\/span> __name__ <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;__main__&#039;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    asyncio<span class=\"token punctuation\">.<\/span>run<span class=\"token punctuation\">(<\/span>start_server<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h3>\u603b\u7ed3<\/h3>\n<p>aiohttp \u662f Python \u5f02\u6b65\u751f\u6001\u4e2d\u5904\u7406 HTTP 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\u652f\u6301\u9ad8\u6548\u7684\u8fde\u63a5\u6c60\u7ba1\u7406\u9ad8\u6548\u5ba2\u6237\u7aef\uff1a\u7528\u4e8e\u9ad8\u6027\u80fd\u722c\u866b\u3001API\u8c03\u7528\u8f7b\u91cf\u7ea7\u670d\u52a1\u5668\uff1a\u6784\u5efa\u9ad8\u6027\u80fdWeb\u670d\u52a1\u548cAPIWebSocket\u652f\u6301\uff1a\u5b9e\u73b0\u5b9e\u65f6\u53cc\u5411\u901a\u4fe1\u8fde\u63a5\u6c60\u7ba1\u7406\uff1a\u4f18\u5316\u8d44\u6e90\u5229\u7528\u7387\u3002<\/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":[151,81,43],"topic":[],"class_list":["post-42211","post","type-post","status-publish","format-standard","hentry","category-server","tag-http","tag-python","tag-43"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Python aiohttp 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