{"id":14367,"date":"2025-04-18T21:08:39","date_gmt":"2025-04-18T13:08:39","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/14367.html"},"modified":"2025-04-18T21:08:39","modified_gmt":"2025-04-18T13:08:39","slug":"python-%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b%e5%ae%9e%e6%88%98%ef%bc%9a5%e5%88%86%e9%92%9f%e5%ae%9e%e7%8e%b0%e5%a4%9a%e7%ba%bf%e7%a8%8b%e4%b8%8b%e8%bd%bd%e5%b7%a5%e5%85%b7%e4%b8%8e-web-%e6%9c%8d","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/14367.html","title":{"rendered":"Python \u7f51\u7edc\u7f16\u7a0b\u5b9e\u6218\uff1a5\u5206\u949f\u5b9e\u73b0\u591a\u7ebf\u7a0b\u4e0b\u8f7d\u5de5\u5177\u4e0e Web \u670d\u52a1\u5668"},"content":{"rendered":"<h2>Langchain\u7cfb\u5217\u6587\u7ae0\u76ee\u5f55<\/h2>\n<p>01-\u73a9\u8f6cLangChain&#xff1a;\u4ece\u6a21\u578b\u8c03\u7528\u5230Prompt\u6a21\u677f\u4e0e\u8f93\u51fa\u89e3\u6790\u7684\u5b8c\u6574\u6307\u5357 02-\u73a9\u8f6c LangChain Memory 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24-Python\u5982\u4f55\u7528requests\u5e93\u5b9e\u73b0HTTP\u8bf7\u6c42\u4e0e\u54cd\u5e94&#xff1f;\u4ece\u96f6\u5230\u5b9e\u6218\u5168\u89e3\u6790 25-\u5e76\u53d1\u7f16\u7a0b\u57fa\u7840&#xff1a;\u4ece\u7ebf\u7a0b\u5230\u8fdb\u7a0b\u7684Python\u5b9e\u8df5 26-Python \u7f51\u7edc\u7f16\u7a0b\u5b9e\u6218&#xff1a;5\u5206\u949f\u5b9e\u73b0\u591a\u7ebf\u7a0b\u4e0b\u8f7d\u5de5\u5177\u4e0e Web \u670d\u52a1\u5668<\/p>\n<hr \/>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>Langchain\u7cfb\u5217\u6587\u7ae0\u76ee\u5f55<\/li>\n<li>python\u7cfb\u5217\u6587\u7ae0\u76ee\u5f55<\/li>\n<li>\u524d\u8a00<\/li>\n<li>\u4e00\u3001\u7f51\u7edc\u7f16\u7a0b\u57fa\u7840\u56de\u987e<\/li>\n<li>\n<ul>\n<li>1.1 \u4ec0\u4e48\u662f\u7f51\u7edc\u7f16\u7a0b<\/li>\n<li>\n<ul>\n<li>1.1.1 \u6838\u5fc3\u6982\u5ff5&#xff1a;TCP\/IP \u534f\u8bae<\/li>\n<li>1.1.2 Socket&#xff1a;\u7f51\u7edc\u901a\u4fe1\u7684\u6865\u6881<\/li>\n<\/ul>\n<\/li>\n<li>1.2 \u4e3a\u4ec0\u4e48\u9009\u62e9 Python<\/li>\n<\/ul>\n<\/li>\n<li>\u4e8c\u3001\u7efc\u5408\u6848\u4f8b&#xff1a;\u5b9e\u73b0\u4e00\u4e2a\u591a\u7ebf\u7a0b\u4e0b\u8f7d\u5de5\u5177<\/li>\n<li>\n<ul>\n<li>2.1 \u9700\u6c42\u5206\u6790<\/li>\n<li>\n<ul>\n<li>2.1.1 \u4e3a\u4ec0\u4e48\u7528\u591a\u7ebf\u7a0b<\/li>\n<li>2.1.2 \u6280\u672f\u9009\u578b<\/li>\n<\/ul>\n<\/li>\n<li>2.2 \u5b9e\u73b0\u6b65\u9aa4<\/li>\n<li>\n<ul>\n<li>2.2.1 \u5b9a\u4e49\u4e0b\u8f7d\u51fd\u6570<\/li>\n<li>2.2.2 \u4f7f\u7528\u7ebf\u7a0b\u6c60\u7ba1\u7406\u591a\u7ebf\u7a0b<\/li>\n<\/ul>\n<\/li>\n<li>2.3 \u5b8c\u6574\u4ee3\u7801\u4e0e\u8fd0\u884c<\/li>\n<li>2.4 \u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/li>\n<li>\n<ul>\n<li>2.4.1 \u4e0b\u8f7d\u5931\u8d25\u600e\u4e48\u529e<\/li>\n<li>2.4.2 \u5982\u4f55\u663e\u793a\u4e0b\u8f7d\u8fdb\u5ea6<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u4e09\u3001\u7efc\u5408\u6848\u4f8b&#xff1a;\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684 Web \u670d\u52a1\u5668<\/li>\n<li>\n<ul>\n<li>3.1 \u9700\u6c42\u5206\u6790<\/li>\n<li>\n<ul>\n<li>3.1.1 \u4e3a\u4ec0\u4e48\u7528 Socket<\/li>\n<\/ul>\n<\/li>\n<li>3.2 \u5b9e\u73b0\u6b65\u9aa4<\/li>\n<li>\n<ul>\n<li>3.2.1 \u521b\u5efa Socket \u670d\u52a1\u5668<\/li>\n<li>3.2.2 \u5904\u7406 HTTP \u8bf7\u6c42<\/li>\n<\/ul>\n<\/li>\n<li>3.3 \u5b8c\u6574\u4ee3\u7801\u4e0e\u8fd0\u884c<\/li>\n<li>3.4 \u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/li>\n<li>\n<ul>\n<li>3.4.1 \u6d4f\u89c8\u5668\u65e0\u6cd5\u8bbf\u95ee<\/li>\n<li>3.4.2 \u8bf7\u6c42\u5904\u7406\u963b\u585e<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u56db\u3001\u603b\u7ed3<\/li>\n<\/ul>\n<h2>\u524d\u8a00<\/h2>\n<p>\u4f60\u662f\u5426\u66fe\u4e3a\u4e0b\u8f7d\u5927\u6587\u4ef6\u65f6\u6f2b\u957f\u7684\u7b49\u5f85\u800c\u611f\u5230\u6293\u72c2&#xff1f;\u6216\u8005\u597d\u5947\u4e00\u4e2a Web \u670d\u52a1\u5668\u662f\u5982\u4f55\u4ece\u96f6\u5f00\u59cb\u54cd\u5e94\u4f60\u7684\u6d4f\u89c8\u5668\u8bf7\u6c42\u7684&#xff1f;\u7f51\u7edc\u7f16\u7a0b\u542c\u8d77\u6765\u9ad8\u6df1\u83ab\u6d4b&#xff0c;\u4f46\u5b83\u5176\u5b9e\u79bb\u6211\u4eec\u7684\u751f\u6d3b\u5e76\u4e0d\u8fdc\u2014\u2014\u4ece\u6279\u91cf\u4e0b\u8f7d\u8d44\u6e90\u5230\u642d\u5efa\u4e2a\u4eba\u7f51\u7ad9&#xff0c;\u8fd9\u4e9b\u6280\u80fd\u90fd\u80fd\u8ba9\u4f60\u7684\u5de5\u4f5c\u6548\u7387\u7ffb\u500d&#xff0c;\u751a\u81f3\u5f00\u542f\u5168\u65b0\u7684\u804c\u4e1a\u53ef\u80fd\u3002\u672c\u6587\u5c06\u5e26\u4f60\u8d70\u8fdb Python \u7f51\u7edc\u7f16\u7a0b\u5b9e\u6218 \u7684\u771f\u5b9e\u573a\u666f&#xff0c;\u901a\u8fc7 \u591a\u7ebf\u7a0b\u4e0b\u8f7d\u5de5\u5177 \u548c \u7b80\u5355 Web \u670d\u52a1\u5668 \u4e24\u4e2a\u6848\u4f8b&#xff0c;\u624b\u628a\u624b\u6559\u4f60\u5982\u4f55\u7528\u4ee3\u7801\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002<\/p>\n<hr \/>\n<h2>\u4e00\u3001\u7f51\u7edc\u7f16\u7a0b\u57fa\u7840\u56de\u987e<\/h2>\n<p>\u7f51\u7edc\u7f16\u7a0b\u7684\u6838\u5fc3\u5728\u4e8e\u7406\u89e3\u6570\u636e\u5982\u4f55\u5728\u7f51\u7edc\u4e2d\u4f20\u8f93&#xff0c;\u4ee5\u53ca\u5982\u4f55\u7528\u4ee3\u7801\u5b9e\u73b0\u901a\u4fe1\u3002\u672c\u8282\u5c06\u4e3a\u4f60\u5feb\u901f\u68b3\u7406\u57fa\u7840\u77e5\u8bc6&#xff0c;\u4e3a\u540e\u7eed\u5b9e\u6218\u6848\u4f8b\u6253\u4e0b\u57fa\u7840\u3002<\/p>\n<h3>1.1 \u4ec0\u4e48\u662f\u7f51\u7edc\u7f16\u7a0b<\/h3>\n<p>\u7f51\u7edc\u7f16\u7a0b\u662f\u901a\u8fc7\u4ee3\u7801\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u3002\u65e0\u8bba\u662f\u6d4f\u89c8\u5668\u8bbf\u95ee\u7f51\u9875&#xff0c;\u8fd8\u662f\u6587\u4ef6\u4e0b\u8f7d&#xff0c;\u90fd\u79bb\u4e0d\u5f00\u7f51\u7edc\u7f16\u7a0b\u7684\u652f\u6301\u3002Python \u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5de5\u5177&#xff0c;\u5982 socket \u6a21\u5757\u548c requests \u5e93&#xff0c;\u8ba9\u5f00\u53d1\u8005\u8f7b\u677e\u5b9e\u73b0\u8fd9\u4e9b\u529f\u80fd\u3002<\/p>\n<h4>1.1.1 \u6838\u5fc3\u6982\u5ff5&#xff1a;TCP\/IP \u534f\u8bae<\/h4>\n<p>TCP\/IP \u662f\u4e92\u8054\u7f51\u901a\u4fe1\u7684\u57fa\u7840\u534f\u8bae&#xff1a;<\/p>\n<ul>\n<li>TCP&#xff1a;\u786e\u4fdd\u6570\u636e\u6309\u987a\u5e8f\u3001\u65e0\u8bef\u5730\u4f20\u8f93\u3002<\/li>\n<li>IP&#xff1a;\u8d1f\u8d23\u6570\u636e\u7684\u5bfb\u5740\u548c\u8def\u7531\u3002<\/li>\n<\/ul>\n<p>\u7b80\u5355\u6765\u8bf4&#xff0c;TCP\/IP \u5c31\u50cf\u5feb\u9012\u670d\u52a1&#xff1a;IP \u51b3\u5b9a\u5305\u88f9\u9001\u5230\u54ea\u91cc&#xff0c;TCP \u4fdd\u8bc1\u5305\u88f9\u4e0d\u4e22\u3001\u4e0d\u4e71\u3002<\/p>\n<h4>1.1.2 Socket&#xff1a;\u7f51\u7edc\u901a\u4fe1\u7684\u6865\u6881<\/h4>\n<p>Socket&#xff08;\u5957\u63a5\u5b57&#xff09;\u662f\u7f51\u7edc\u7f16\u7a0b\u7684\u63a5\u53e3&#xff0c;\u5e94\u7528\u7a0b\u5e8f\u901a\u8fc7\u5b83\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u60f3\u8c61 Socket \u662f\u4e00\u4e2a\u7535\u8bdd&#xff0c;\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u901a\u8fc7\u5b83\u201c\u901a\u8bdd\u201d\u3002<\/p>\n<hr \/>\n<h3>1.2 \u4e3a\u4ec0\u4e48\u9009\u62e9 Python<\/h3>\n<p>Python \u5728\u7f51\u7edc\u7f16\u7a0b\u4e2d\u6709\u8fd9\u4e9b\u4f18\u52bf&#xff1a;<\/p>\n<ul>\n<li>\u7b80\u5355\u6613\u5b66&#xff1a;\u51e0\u884c\u4ee3\u7801\u5c31\u80fd\u5b9e\u73b0\u590d\u6742\u529f\u80fd\u3002<\/li>\n<li>\u5e93\u652f\u6301\u4e30\u5bcc&#xff1a;\u5982 socket\u3001requests \u548c threading&#xff0c;\u8986\u76d6\u5404\u79cd\u9700\u6c42\u3002<\/li>\n<li>\u8de8\u5e73\u53f0&#xff1a;Windows\u3001Linux\u3001Mac \u4e0a\u90fd\u80fd\u8fd0\u884c\u3002<\/li>\n<\/ul>\n<p>\u63a5\u4e0b\u6765&#xff0c;\u6211\u4eec\u5c06\u901a\u8fc7\u4e24\u4e2a\u5b9e\u6218\u6848\u4f8b&#xff0c;\u628a\u8fd9\u4e9b\u57fa\u7840\u77e5\u8bc6\u5e94\u7528\u5230\u5b9e\u9645\u5f00\u53d1\u4e2d\u3002<\/p>\n<hr \/>\n<h2>\u4e8c\u3001\u7efc\u5408\u6848\u4f8b&#xff1a;\u5b9e\u73b0\u4e00\u4e2a\u591a\u7ebf\u7a0b\u4e0b\u8f7d\u5de5\u5177<\/h2>\n<p>\u4e0b\u8f7d\u6587\u4ef6\u662f\u6211\u4eec\u65e5\u5e38\u751f\u6d3b\u4e2d\u5e38\u89c1\u7684\u573a\u666f&#xff0c;\u4f46\u5355\u7ebf\u7a0b\u4e0b\u8f7d\u901f\u5ea6\u6162&#xff0c;\u5c24\u5176\u9762\u5bf9\u591a\u4e2a\u5927\u6587\u4ef6\u65f6\u6548\u7387\u4f4e\u4e0b\u3002\u672c\u8282\u5c06\u5e26\u4f60\u7528 Python \u5b9e\u73b0\u4e00\u4e2a \u591a\u7ebf\u7a0b\u4e0b\u8f7d\u5de5\u5177&#xff0c;\u5927\u5e45\u63d0\u5347\u4e0b\u8f7d\u6548\u7387\u3002<\/p>\n<h3>2.1 \u9700\u6c42\u5206\u6790<\/h3>\n<p>\u6211\u4eec\u8981\u5b9e\u73b0\u7684\u529f\u80fd\u662f&#xff1a;<\/p>\n<ul>\n<li>\u8f93\u5165\u591a\u4e2a\u6587\u4ef6 URL&#xff0c;\u540c\u65f6\u4e0b\u8f7d\u8fd9\u4e9b\u6587\u4ef6\u3002<\/li>\n<li>\u4f7f\u7528\u591a\u7ebf\u7a0b&#xff0c;\u8ba9\u591a\u4e2a\u4e0b\u8f7d\u4efb\u52a1\u5e76\u884c\u6267\u884c\u3002<\/li>\n<li>\u4fdd\u5b58\u6587\u4ef6\u5230\u672c\u5730&#xff0c;\u5e76\u63d0\u793a\u4e0b\u8f7d\u8fdb\u5ea6\u3002<\/li>\n<\/ul>\n<h4>2.1.1 \u4e3a\u4ec0\u4e48\u7528\u591a\u7ebf\u7a0b<\/h4>\n<p>\u5355\u7ebf\u7a0b\u4e0b\u8f7d\u662f\u4e00\u4e2a\u6587\u4ef6\u4e0b\u8f7d\u5b8c\u518d\u5f00\u59cb\u4e0b\u4e00\u4e2a&#xff0c;\u800c\u591a\u7ebf\u7a0b\u53ef\u4ee5\u540c\u65f6\u4e0b\u8f7d\u591a\u4e2a\u6587\u4ef6&#xff0c;\u5145\u5206\u5229\u7528\u7f51\u7edc\u5e26\u5bbd&#xff0c;\u8282\u7701\u65f6\u95f4\u3002<\/p>\n<h4>2.1.2 \u6280\u672f\u9009\u578b<\/h4>\n<ul>\n<li>requests&#xff1a;\u7528\u4e8e\u53d1\u9001 HTTP \u8bf7\u6c42\u4e0b\u8f7d\u6587\u4ef6\u3002<\/li>\n<li>concurrent.futures&#xff1a;\u63d0\u4f9b\u7ebf\u7a0b\u6c60&#xff0c;\u7b80\u5316\u591a\u7ebf\u7a0b\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>2.2 \u5b9e\u73b0\u6b65\u9aa4<\/h3>\n<p>\u8ba9\u6211\u4eec\u4e00\u6b65\u6b65\u5b9e\u73b0\u8fd9\u4e2a\u5de5\u5177\u3002<\/p>\n<h4>2.2.1 \u5b9a\u4e49\u4e0b\u8f7d\u51fd\u6570<\/h4>\n<p>\u9996\u5148&#xff0c;\u521b\u5efa\u4e00\u4e2a\u51fd\u6570\u6765\u4e0b\u8f7d\u5355\u4e2a\u6587\u4ef6&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> requests<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">download_file<\/span><span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">,<\/span> save_path<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u53d1\u9001 GET \u8bf7\u6c42\u83b7\u53d6\u6587\u4ef6\u5185\u5bb9<\/span><br \/>\n    response <span class=\"token operator\">&#061;<\/span> requests<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\"># \u4ee5\u4e8c\u8fdb\u5236\u5199\u6a21\u5f0f\u4fdd\u5b58\u6587\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">with<\/span> <span class=\"token builtin\">open<\/span><span class=\"token punctuation\">(<\/span>save_path<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        f<span class=\"token punctuation\">.<\/span>write<span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">.<\/span>content<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\u4e0b\u8f7d <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>url<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u5230 <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>save_path<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u5173\u952e\u70b9\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>requests.get(url)&#xff1a;\u83b7\u53d6\u6587\u4ef6\u7684\u4e8c\u8fdb\u5236\u5185\u5bb9\u3002<\/li>\n<li>&#039;wb&#039; \u6a21\u5f0f&#xff1a;\u9002\u7528\u4e8e\u56fe\u7247\u3001\u89c6\u9891\u7b49\u975e\u6587\u672c\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<h4>2.2.2 \u4f7f\u7528\u7ebf\u7a0b\u6c60\u7ba1\u7406\u591a\u7ebf\u7a0b<\/h4>\n<p>\u63a5\u4e0b\u6765&#xff0c;\u7528\u7ebf\u7a0b\u6c60\u5e76\u884c\u4e0b\u8f7d\u591a\u4e2a\u6587\u4ef6&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> concurrent<span class=\"token punctuation\">.<\/span>futures <span class=\"token keyword\">import<\/span> ThreadPoolExecutor<span class=\"token punctuation\">,<\/span> as_completed<\/p>\n<p><span class=\"token comment\"># \u6587\u4ef6 URL \u548c\u4fdd\u5b58\u8def\u5f84\u5217\u8868<\/span><br \/>\nurls <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n    <span class=\"token string\">&#039;https:\/\/example.com\/file1.zip&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string\">&#039;https:\/\/example.com\/file2.zip&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string\">&#039;https:\/\/example.com\/file3.zip&#039;<\/span><br \/>\n<span class=\"token punctuation\">]<\/span><br \/>\nsave_paths <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;file1.zip&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;file2.zip&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;file3.zip&#039;<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p><span class=\"token comment\"># \u521b\u5efa\u7ebf\u7a0b\u6c60&#xff0c;\u6700\u591a 3 \u4e2a\u7ebf\u7a0b<\/span><br \/>\n<span class=\"token keyword\">with<\/span> ThreadPoolExecutor<span class=\"token punctuation\">(<\/span>max_workers<span class=\"token operator\">&#061;<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> executor<span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u63d0\u4ea4\u4e0b\u8f7d\u4efb\u52a1<\/span><br \/>\n    futures <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>executor<span class=\"token punctuation\">.<\/span>submit<span class=\"token punctuation\">(<\/span>download_file<span class=\"token punctuation\">,<\/span> url<span class=\"token punctuation\">,<\/span> save_path<span class=\"token punctuation\">)<\/span><br \/>\n               <span class=\"token keyword\">for<\/span> url<span class=\"token punctuation\">,<\/span> save_path <span class=\"token keyword\">in<\/span> <span class=\"token builtin\">zip<\/span><span class=\"token punctuation\">(<\/span>urls<span class=\"token punctuation\">,<\/span> save_paths<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>    <span class=\"token comment\"># \u7b49\u5f85\u6240\u6709\u4efb\u52a1\u5b8c\u6210<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> future <span class=\"token keyword\">in<\/span> as_completed<span class=\"token punctuation\">(<\/span>futures<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        future<span class=\"token punctuation\">.<\/span>result<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u83b7\u53d6\u7ed3\u679c&#xff0c;\u786e\u4fdd\u4efb\u52a1\u65e0\u5f02\u5e38<\/span><\/p>\n<p>\u5173\u952e\u70b9\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>ThreadPoolExecutor(max_workers&#061;3)&#xff1a;\u9650\u5236\u6700\u5927\u7ebf\u7a0b\u6570&#xff0c;\u907f\u514d\u8d44\u6e90\u8017\u5c3d\u3002<\/li>\n<li>zip(urls, save_paths)&#xff1a;\u5c06 URL \u548c\u8def\u5f84\u914d\u5bf9\u3002<\/li>\n<li>as_completed&#xff1a;\u6309\u4efb\u52a1\u5b8c\u6210\u987a\u5e8f\u8fd4\u56de\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>2.3 \u5b8c\u6574\u4ee3\u7801\u4e0e\u8fd0\u884c<\/h3>\n<p>\u4ee5\u4e0b\u662f\u5b8c\u6574\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> requests<br \/>\n<span class=\"token keyword\">from<\/span> concurrent<span class=\"token punctuation\">.<\/span>futures <span class=\"token keyword\">import<\/span> ThreadPoolExecutor<span class=\"token punctuation\">,<\/span> as_completed<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">download_file<\/span><span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">,<\/span> save_path<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    response <span class=\"token operator\">&#061;<\/span> requests<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">with<\/span> <span class=\"token builtin\">open<\/span><span class=\"token punctuation\">(<\/span>save_path<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        f<span class=\"token punctuation\">.<\/span>write<span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">.<\/span>content<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\u4e0b\u8f7d <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>url<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u5230 <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>save_path<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>urls <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n    <span class=\"token string\">&#039;https:\/\/example.com\/file1.zip&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string\">&#039;https:\/\/example.com\/file2.zip&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string\">&#039;https:\/\/example.com\/file3.zip&#039;<\/span><br \/>\n<span class=\"token punctuation\">]<\/span><br \/>\nsave_paths <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;file1.zip&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;file2.zip&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;file3.zip&#039;<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p><span class=\"token keyword\">with<\/span> ThreadPoolExecutor<span class=\"token punctuation\">(<\/span>max_workers<span class=\"token operator\">&#061;<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> executor<span class=\"token punctuation\">:<\/span><br \/>\n    futures <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>executor<span class=\"token punctuation\">.<\/span>submit<span class=\"token punctuation\">(<\/span>download_file<span class=\"token punctuation\">,<\/span> url<span class=\"token punctuation\">,<\/span> save_path<span class=\"token punctuation\">)<\/span><br \/>\n               <span class=\"token keyword\">for<\/span> url<span class=\"token punctuation\">,<\/span> save_path <span class=\"token keyword\">in<\/span> <span class=\"token builtin\">zip<\/span><span class=\"token punctuation\">(<\/span>urls<span class=\"token punctuation\">,<\/span> save_paths<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> future <span class=\"token keyword\">in<\/span> as_completed<span class=\"token punctuation\">(<\/span>futures<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        future<span class=\"token punctuation\">.<\/span>result<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u8fd0\u884c\u540e&#xff0c;\u7a0b\u5e8f\u4f1a\u540c\u65f6\u4e0b\u8f7d\u4e09\u4e2a\u6587\u4ef6&#xff0c;\u5e76\u5728\u5b8c\u6210\u540e\u6253\u5370\u63d0\u793a\u4fe1\u606f\u3002<\/p>\n<hr \/>\n<h3>2.4 \u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/h3>\n<h4>2.4.1 \u4e0b\u8f7d\u5931\u8d25\u600e\u4e48\u529e<\/h4>\n<p>\u53ef\u80fd\u539f\u56e0&#xff1a;<\/p>\n<ul>\n<li>\u7f51\u7edc\u65ad\u5f00\u6216 URL \u65e0\u6548\u3002<\/li>\n<li>\u670d\u52a1\u5668\u9650\u5236\u5e76\u53d1\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<p>\u89e3\u51b3\u529e\u6cd5&#xff1a;<\/p>\n<ul>\n<li>\u6dfb\u52a0\u5f02\u5e38\u5904\u7406&#xff1a;<\/li>\n<\/ul>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">download_file<\/span><span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">,<\/span> save_path<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">try<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        response <span class=\"token operator\">&#061;<\/span> requests<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">,<\/span> timeout<span class=\"token operator\">&#061;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u8bbe\u7f6e\u8d85\u65f6<\/span><br \/>\n        response<span class=\"token punctuation\">.<\/span>raise_for_status<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u68c0\u67e5\u72b6\u6001\u7801<\/span><br \/>\n        <span class=\"token keyword\">with<\/span> <span class=\"token builtin\">open<\/span><span class=\"token punctuation\">(<\/span>save_path<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            f<span class=\"token punctuation\">.<\/span>write<span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">.<\/span>content<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\u4e0b\u8f7d <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>url<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u5230 <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>save_path<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">except<\/span> requests<span class=\"token punctuation\">.<\/span>RequestException <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;\u4e0b\u8f7d <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>url<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u5931\u8d25: <\/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><\/p>\n<h4>2.4.2 \u5982\u4f55\u663e\u793a\u4e0b\u8f7d\u8fdb\u5ea6<\/h4>\n<p>\u53ef\u4ee5\u7528 tqdm \u5e93\u663e\u793a\u8fdb\u5ea6\u6761&#xff0c;\u9700\u4fee\u6539\u4e0b\u8f7d\u51fd\u6570\u652f\u6301\u6d41\u5f0f\u4e0b\u8f7d&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> tqdm <span class=\"token keyword\">import<\/span> tqdm<br \/>\n<span class=\"token keyword\">import<\/span> requests<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">download_file<\/span><span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">,<\/span> save_path<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    response <span class=\"token operator\">&#061;<\/span> requests<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">,<\/span> stream<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    total_size <span class=\"token operator\">&#061;<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">.<\/span>headers<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;content-length&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">with<\/span> <span class=\"token builtin\">open<\/span><span class=\"token punctuation\">(<\/span>save_path<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> tqdm<span class=\"token punctuation\">(<\/span>total<span class=\"token operator\">&#061;<\/span>total_size<span class=\"token punctuation\">,<\/span> unit<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;B&#039;<\/span><span class=\"token punctuation\">,<\/span> unit_scale<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> pbar<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> chunk <span class=\"token keyword\">in<\/span> response<span class=\"token punctuation\">.<\/span>iter_content<span class=\"token punctuation\">(<\/span>chunk_size<span class=\"token operator\">&#061;<\/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            pbar<span class=\"token punctuation\">.<\/span>update<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><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\u4e0b\u8f7d <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>url<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u5230 <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>save_path<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<hr \/>\n<h2>\u4e09\u3001\u7efc\u5408\u6848\u4f8b&#xff1a;\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684 Web \u670d\u52a1\u5668<\/h2>\n<p>Web \u670d\u52a1\u5668\u662f\u7f51\u7edc\u7f16\u7a0b\u7684\u7ecf\u5178\u5e94\u7528\u3002\u672c\u8282\u5c06\u7528 Python \u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u670d\u52a1\u5668&#xff0c;\u5904\u7406 HTTP \u8bf7\u6c42\u5e76\u8fd4\u56de HTML \u9875\u9762\u3002<\/p>\n<h3>3.1 \u9700\u6c42\u5206\u6790<\/h3>\n<p>\u6211\u4eec\u8981\u5b9e\u73b0\u7684\u529f\u80fd\u662f&#xff1a;<\/p>\n<ul>\n<li>\u76d1\u542c\u6307\u5b9a\u7aef\u53e3&#xff0c;\u63a5\u53d7\u5ba2\u6237\u7aef\u8bf7\u6c42\u3002<\/li>\n<li>\u89e3\u6790 HTTP \u8bf7\u6c42&#xff0c;\u8fd4\u56de\u5bf9\u5e94\u9875\u9762\u3002<\/li>\n<li>\u652f\u6301\u57fa\u672c\u8def\u7531&#xff0c;\u5982\u9996\u9875\u548c 404 \u9875\u9762\u3002<\/li>\n<\/ul>\n<h4>3.1.1 \u4e3a\u4ec0\u4e48\u7528 Socket<\/h4>\n<p>\u867d\u7136\u6709\u73b0\u6210\u7684\u6846\u67b6&#xff08;\u5982 Flask&#xff09;&#xff0c;\u4f46\u7528 socket \u5b9e\u73b0\u80fd\u5e2e\u52a9\u6211\u4eec\u7406\u89e3 Web \u670d\u52a1\u5668\u7684\u5e95\u5c42\u539f\u7406\u3002<\/p>\n<hr \/>\n<h3>3.2 \u5b9e\u73b0\u6b65\u9aa4<\/h3>\n<h4>3.2.1 \u521b\u5efa Socket \u670d\u52a1\u5668<\/h4>\n<p>\u5148\u642d\u5efa\u4e00\u4e2a\u57fa\u672c\u7684 TCP \u670d\u52a1\u5668&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> socket<\/p>\n<p><span class=\"token comment\"># \u521b\u5efa socket \u5bf9\u8c61<\/span><br \/>\nserver_socket <span class=\"token operator\">&#061;<\/span> socket<span class=\"token punctuation\">.<\/span>socket<span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">.<\/span>AF_INET<span class=\"token punctuation\">,<\/span> socket<span class=\"token punctuation\">.<\/span>SOCK_STREAM<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u7ed1\u5b9a\u5730\u5740\u548c\u7aef\u53e3<\/span><br \/>\nserver_socket<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;127.0.0.1&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">8080<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u5f00\u59cb\u76d1\u542c<\/span><br \/>\nserver_socket<span class=\"token punctuation\">.<\/span>listen<span class=\"token punctuation\">(<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Web \u670d\u52a1\u5668\u542f\u52a8&#xff0c;\u8bbf\u95ee http:\/\/127.0.0.1:8080&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>3.2.2 \u5904\u7406 HTTP \u8bf7\u6c42<\/h4>\n<p>\u6dfb\u52a0\u8bf7\u6c42\u89e3\u6790\u548c\u54cd\u5e94\u903b\u8f91&#xff1a;<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">handle_request<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u89e3\u6790\u8bf7\u6c42\u7684\u7b2c\u4e00\u884c&#xff0c;\u83b7\u53d6\u65b9\u6cd5\u548c\u8def\u5f84<\/span><br \/>\n    lines <span class=\"token operator\">&#061;<\/span> request<span class=\"token punctuation\">.<\/span>split<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\\\\r\\\\n&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    method<span class=\"token punctuation\">,<\/span> path<span class=\"token punctuation\">,<\/span> _ <span class=\"token operator\">&#061;<\/span> lines<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>split<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039; &#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u6839\u636e\u8def\u5f84\u751f\u6210\u54cd\u5e94<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> path <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;\/&#039;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        body <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&lt;h1&gt;Welcome to the homepage!&lt;\/h1&gt;&#039;<\/span><br \/>\n        status <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;200 OK&#039;<\/span><br \/>\n    <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        body <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&lt;h1&gt;404 Not Found&lt;\/h1&gt;&#039;<\/span><br \/>\n        status <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;404 Not Found&#039;<\/span><\/p>\n<p>    <span class=\"token comment\"># \u6784\u9020 HTTP \u54cd\u5e94<\/span><br \/>\n    response <span class=\"token operator\">&#061;<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#039;HTTP\/1.1 <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>status<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\\\\r\\\\nContent-Type: text\/html\\\\r\\\\n\\\\r\\\\n<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>body<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#039;<\/span><\/span><br \/>\n    <span class=\"token keyword\">return<\/span> response<\/p>\n<p><span class=\"token keyword\">while<\/span> <span class=\"token boolean\">True<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5<\/span><br \/>\n    client_socket<span class=\"token punctuation\">,<\/span> addr <span class=\"token operator\">&#061;<\/span> server_socket<span class=\"token punctuation\">.<\/span>accept<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\"># \u63a5\u6536\u8bf7\u6c42\u6570\u636e<\/span><br \/>\n    request <span class=\"token operator\">&#061;<\/span> client_socket<span class=\"token punctuation\">.<\/span>recv<span class=\"token punctuation\">(<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>decode<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\"># \u751f\u6210\u5e76\u53d1\u9001\u54cd\u5e94<\/span><br \/>\n    response <span class=\"token operator\">&#061;<\/span> handle_request<span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><br \/>\n    client_socket<span class=\"token punctuation\">.<\/span>send<span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">.<\/span>encode<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    client_socket<span class=\"token punctuation\">.<\/span>close<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u5173\u952e\u70b9\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>request.split(&#039;\\\\r\\\\n&#039;)&#xff1a;HTTP \u8bf7\u6c42\u4ee5\u56de\u8f66\u6362\u884c\u7b26\u5206\u9694\u3002<\/li>\n<li>Content-Type: text\/html&#xff1a;\u544a\u8bc9\u6d4f\u89c8\u5668\u8fd4\u56de\u7684\u662f HTML\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>3.3 \u5b8c\u6574\u4ee3\u7801\u4e0e\u8fd0\u884c<\/h3>\n<p>\u4ee5\u4e0b\u662f\u5b8c\u6574\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> socket<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">handle_request<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    lines <span class=\"token operator\">&#061;<\/span> request<span class=\"token punctuation\">.<\/span>split<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\\\\r\\\\n&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    method<span class=\"token punctuation\">,<\/span> path<span class=\"token punctuation\">,<\/span> _ <span class=\"token operator\">&#061;<\/span> lines<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>split<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039; &#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> path <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#039;\/&#039;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        body <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&lt;h1&gt;Welcome to the homepage!&lt;\/h1&gt;&#039;<\/span><br \/>\n        status <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;200 OK&#039;<\/span><br \/>\n    <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        body <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&lt;h1&gt;404 Not Found&lt;\/h1&gt;&#039;<\/span><br \/>\n        status <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;404 Not Found&#039;<\/span><br \/>\n    response <span class=\"token operator\">&#061;<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#039;HTTP\/1.1 <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>status<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\\\\r\\\\nContent-Type: text\/html\\\\r\\\\n\\\\r\\\\n<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>body<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#039;<\/span><\/span><br \/>\n    <span class=\"token keyword\">return<\/span> response<\/p>\n<p>server_socket <span class=\"token operator\">&#061;<\/span> socket<span class=\"token punctuation\">.<\/span>socket<span class=\"token punctuation\">(<\/span>socket<span class=\"token punctuation\">.<\/span>AF_INET<span class=\"token punctuation\">,<\/span> socket<span class=\"token punctuation\">.<\/span>SOCK_STREAM<span class=\"token punctuation\">)<\/span><br \/>\nserver_socket<span class=\"token punctuation\">.<\/span>bind<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;127.0.0.1&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">8080<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\nserver_socket<span class=\"token punctuation\">.<\/span>listen<span class=\"token punctuation\">(<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Web \u670d\u52a1\u5668\u542f\u52a8&#xff0c;\u8bbf\u95ee http:\/\/127.0.0.1:8080&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">while<\/span> <span class=\"token boolean\">True<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    client_socket<span class=\"token punctuation\">,<\/span> addr <span class=\"token operator\">&#061;<\/span> server_socket<span class=\"token punctuation\">.<\/span>accept<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    request <span class=\"token operator\">&#061;<\/span> client_socket<span class=\"token punctuation\">.<\/span>recv<span class=\"token punctuation\">(<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>decode<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    response <span class=\"token operator\">&#061;<\/span> handle_request<span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><br \/>\n    client_socket<span class=\"token punctuation\">.<\/span>send<span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">.<\/span>encode<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    client_socket<span class=\"token punctuation\">.<\/span>close<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u8fd0\u884c\u540e&#xff0c;\u6253\u5f00\u6d4f\u89c8\u5668\u8bbf\u95ee http:\/\/127.0.0.1:8080&#xff0c;\u5373\u53ef\u770b\u5230\u6b22\u8fce\u9875\u9762\u3002<\/p>\n<hr \/>\n<h3>3.4 \u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/h3>\n<h4>3.4.1 \u6d4f\u89c8\u5668\u65e0\u6cd5\u8bbf\u95ee<\/h4>\n<p>\u53ef\u80fd\u539f\u56e0&#xff1a;<\/p>\n<ul>\n<li>\u7aef\u53e3\u88ab\u5360\u7528\u3002<\/li>\n<li>\u9632\u706b\u5899\u963b\u6b62\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<p>\u89e3\u51b3\u529e\u6cd5&#xff1a;<\/p>\n<ul>\n<li>\u68c0\u67e5\u7aef\u53e3&#xff1a;netstat -an | find &#034;8080&#034;&#xff08;Windows&#xff09;\u6216 lsof -i :8080&#xff08;Linux&#xff09;\u3002<\/li>\n<li>\u66f4\u6362\u7aef\u53e3&#xff1a;\u4fee\u6539 server_socket.bind((&#039;127.0.0.1&#039;, 8081))\u3002<\/li>\n<\/ul>\n<h4>3.4.2 \u8bf7\u6c42\u5904\u7406\u963b\u585e<\/h4>\n<p>\u5f53\u524d\u670d\u52a1\u5668\u662f\u5355\u7ebf\u7a0b\u7684&#xff0c;\u4e00\u4e2a\u8bf7\u6c42\u672a\u5904\u7406\u5b8c\u4f1a\u963b\u585e\u5176\u4ed6\u8bf7\u6c42\u3002<\/p>\n<p>\u89e3\u51b3\u529e\u6cd5&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528\u591a\u7ebf\u7a0b\u5904\u7406\u8bf7\u6c42&#xff1a;<\/li>\n<\/ul>\n<p><span class=\"token keyword\">from<\/span> threading <span class=\"token keyword\">import<\/span> Thread<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">handle_client<\/span><span class=\"token punctuation\">(<\/span>client_socket<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    request <span class=\"token operator\">&#061;<\/span> client_socket<span class=\"token punctuation\">.<\/span>recv<span class=\"token punctuation\">(<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>decode<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    response <span class=\"token operator\">&#061;<\/span> handle_request<span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><br \/>\n    client_socket<span class=\"token punctuation\">.<\/span>send<span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">.<\/span>encode<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    client_socket<span class=\"token punctuation\">.<\/span>close<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">while<\/span> <span class=\"token boolean\">True<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    client_socket<span class=\"token punctuation\">,<\/span> addr <span class=\"token operator\">&#061;<\/span> server_socket<span class=\"token punctuation\">.<\/span>accept<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    Thread<span class=\"token punctuation\">(<\/span>target<span class=\"token operator\">&#061;<\/span>handle_client<span class=\"token punctuation\">,<\/span> args<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">(<\/span>client_socket<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>start<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<hr \/>\n<h2>\u56db\u3001\u603b\u7ed3<\/h2>\n<p>\u7f51\u7edc\u7f16\u7a0b\u4e0d\u518d\u662f\u9065\u4e0d\u53ef\u53ca\u7684\u6280\u672f\u540d\u8bcd&#xff0c;\u901a\u8fc7\u8fd9\u6b21\u5b9e\u6218\u4e4b\u65c5&#xff0c;\u4f60\u5df2\u7ecf\u8fc8\u51fa\u4e86\u4ece\u7406\u8bba\u5230\u5b9e\u8df5\u7684\u5173\u952e\u4e00\u6b65\u3002\u8fd9\u7bc7\u6587\u7ae0\u4ece\u57fa\u7840\u77e5\u8bc6\u5165\u624b&#xff0c;\u5e26\u4f60\u5b8c\u6210\u4e86\u4e24\u4e2a\u8d34\u8fd1\u751f\u6d3b\u7684\u6848\u4f8b&#xff0c;\u8ba9\u4f60\u4e0d\u4ec5\u5b66\u4f1a\u4e86\u4ee3\u7801&#xff0c;\u66f4\u7406\u89e3\u4e86\u80cc\u540e\u7684\u903b\u8f91\u3002\u4ee5\u4e0b\u662f\u672c\u6b21\u5b66\u4e60\u7684\u4eae\u70b9\u603b\u7ed3&#xff1a;<\/p>\n<ul>\n<li>\u591a\u7ebf\u7a0b\u4e0b\u8f7d\u5de5\u5177&#xff1a;\u4f60\u638c\u63e1\u4e86\u5982\u4f55\u7528 requests \u548c concurrent.futures \u5b9e\u73b0\u6587\u4ef6\u5e76\u884c\u4e0b\u8f7d&#xff0c;\u544a\u522b\u5355\u7ebf\u7a0b\u7684\u4f4e\u6548\u7b49\u5f85\u3002\u65e0\u8bba\u662f\u6279\u91cf\u4e0b\u8f7d\u5b66\u4e60\u8d44\u6599&#xff0c;\u8fd8\u662f\u5904\u7406\u5de5\u4f5c\u4e2d\u7684\u5927\u6587\u4ef6&#xff0c;\u8fd9\u9879\u6280\u80fd\u90fd\u80fd\u8ba9\u4f60\u4e8b\u534a\u529f\u500d\u3002<\/li>\n<li>\u7b80\u5355 Web \u670d\u52a1\u5668&#xff1a;\u901a\u8fc7 socket&#xff0c;\u4f60\u4ece\u96f6\u642d\u5efa\u4e86\u4e00\u4e2a\u80fd\u54cd\u5e94 HTTP \u8bf7\u6c42\u7684\u670d\u52a1\u5668&#xff0c;\u63ed\u5f00\u4e86 Web \u5f00\u53d1\u7684\u5e95\u5c42\u795e\u79d8\u9762\u7eb1\u3002\u8fd9\u4e0d\u4ec5\u662f\u4e00\u4e2a\u6280\u672f\u7ec3\u4e60&#xff0c;\u66f4\u662f\u4f60\u672a\u6765\u63a2\u7d22 Web \u6846\u67b6\u7684\u8d77\u70b9\u3002<\/li>\n<li>\u5b9e\u7528\u6027\u4e0e\u53ef\u6269\u5c55\u6027&#xff1a;\u6587\u7ae0\u63d0\u4f9b\u4e86\u8be6\u7ec6\u7684\u4ee3\u7801\u793a\u4f8b\u3001\u6d41\u7a0b\u5206\u6790\u548c\u95ee\u9898\u6392\u67e5\u65b9\u6cd5&#xff0c;\u786e\u4fdd\u4f60\u80fd\u76f4\u63a5\u4e0a\u624b&#xff0c;\u5e76\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u7075\u6d3b\u8c03\u6574\u3002<\/li>\n<li>\u771f\u5b9e\u7ecf\u9a8c\u7684\u542f\u53d1&#xff1a;\u4ece\u6211\u7684\u8c03\u8bd5\u7ecf\u5386\u5230\u4f60\u7684\u4ee3\u7801\u8fd0\u884c&#xff0c;\u6bcf\u4e00\u884c\u4ee3\u7801\u80cc\u540e\u90fd\u662f\u771f\u5b9e\u9700\u6c42\u7684\u89e3\u51b3\u65b9\u6848&#xff0c;\u5e0c\u671b\u6fc0\u53d1\u4f60\u63a2\u7d22\u66f4\u591a\u7f51\u7edc\u7f16\u7a0b\u7684\u53ef\u80fd\u3002<\/li>\n<\/ul>\n<p>\u5b66\u5b8c\u8fd9\u7bc7\u6587\u7ae0&#xff0c;\u4f60\u5df2\u7ecf\u62e5\u6709\u4e86\u52a8\u624b\u5b9e\u73b0\u7f51\u7edc\u5e94\u7528\u7684\u4fe1\u5fc3\u3002\u8bd5\u7740\u628a\u4e0b\u8f7d\u5de5\u5177\u6539\u6210\u652f\u6301\u8fdb\u5ea6\u6761&#xff0c;\u6216\u8005\u7ed9\u670d\u52a1\u5668\u52a0\u4e2a\u52a8\u6001\u9875\u9762\u5427&#xff01;\u6280\u672f\u662f\u7528\u6765\u89e3\u51b3\u95ee\u9898\u7684\u5de5\u5177&#xff0c;\u800c\u4f60\u7684\u521b\u610f\u5c06\u51b3\u5b9a\u5b83\u7684\u8fb9\u754c\u3002\u5982\u679c\u8fd9\u7bc7\u6587\u7ae0\u5e2e\u5230\u4e86\u4f60&#xff0c;\u522b\u5fd8\u4e86\u70b9\u8d5e\u6216\u7559\u8a00\u5206\u4eab\u4f60\u7684\u6210\u679c\u2014\u2014\u4e5f\u8bb8\u4e0b\u4e00\u4e2a\u7075\u611f&#xff0c;\u5c31\u85cf\u5728\u4f60\u7684\u4ee3\u7801\u91cc&#xff01;<\/p>\n<hr \/>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1k\u6b21\uff0c\u70b9\u8d5e20\u6b21\uff0c\u6536\u85cf18\u6b21\u3002\u4f60\u662f\u5426\u66fe\u4e3a\u4e0b\u8f7d\u5927\u6587\u4ef6\u65f6\u6f2b\u957f\u7684\u7b49\u5f85\u800c\u611f\u5230\u6293\u72c2\uff1f\u6216\u8005\u597d\u5947\u4e00\u4e2a Web \u670d\u52a1\u5668\u662f\u5982\u4f55\u4ece\u96f6\u5f00\u59cb\u54cd\u5e94\u4f60\u7684\u6d4f\u89c8\u5668\u8bf7\u6c42\u7684\uff1f\u7f51\u7edc\u7f16\u7a0b\u542c\u8d77\u6765\u9ad8\u6df1\u83ab\u6d4b\uff0c\u4f46\u5b83\u5176\u5b9e\u79bb\u6211\u4eec\u7684\u751f\u6d3b\u5e76\u4e0d\u8fdc\u2014\u2014\u4ece\u6279\u91cf\u4e0b\u8f7d\u8d44\u6e90\u5230\u642d\u5efa\u4e2a\u4eba\u7f51\u7ad9\uff0c\u8fd9\u4e9b\u6280\u80fd\u90fd\u80fd\u8ba9\u4f60\u7684\u5de5\u4f5c\u6548\u7387\u7ffb\u500d\uff0c\u751a\u81f3\u5f00\u542f\u5168\u65b0\u7684\u804c\u4e1a\u53ef\u80fd\u3002\u672c\u6587\u5c06\u5e26\u4f60\u8d70\u8fdbPython \u7f51\u7edc\u7f16\u7a0b\u5b9e\u6218\u7684\u771f\u5b9e\u573a\u666f\uff0c\u901a\u8fc7\u591a\u7ebf\u7a0b\u4e0b\u8f7d\u5de5\u5177\u548c\u7b80\u5355 Web \u670d\u52a1\u5668\u4e24\u4e2a\u6848\u4f8b\uff0c\u624b\u628a\u624b\u6559\u4f60\u5982\u4f55\u7528\u4ee3\u7801\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002\u7f51\u7edc\u7f16\u7a0b\u662f\u901a\u8fc7\u4ee3\u7801\u5b9e\u73b0\u8ba1\u7b97\u673a\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u3002\u65e0\u8bba\u662f\u6d4f\u89c8\u5668\u8bbf\u95ee\u7f51\u9875\uff0c\u8fd8\u662f\u6587\u4ef6\u4e0b\u8f7d\uff0c\u90fd\u79bb\u4e0d\u5f00\u7f51\u7edc\u7f16\u7a0b\u7684\u652f\u6301\u3002_\u591a\u7ebf\u7a0b\u4e0b\u8f7d\u5de5\u5177<\/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":[81,900,901,50,902,190,396],"topic":[],"class_list":{"0":"post-14367","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-server","7":"tag-python","9":"tag-web","10":"tag-50","11":"tag-902","12":"tag-190","13":"tag-396"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Python \u7f51\u7edc\u7f16\u7a0b\u5b9e\u6218\uff1a5\u5206\u949f\u5b9e\u73b0\u591a\u7ebf\u7a0b\u4e0b\u8f7d\u5de5\u5177\u4e0e Web \u670d\u52a1\u5668 - \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\/14367.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Python \u7f51\u7edc\u7f16\u7a0b\u5b9e\u6218\uff1a5\u5206\u949f\u5b9e\u73b0\u591a\u7ebf\u7a0b\u4e0b\u8f7d\u5de5\u5177\u4e0e Web \u670d\u52a1\u5668 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1k\u6b21\uff0c\u70b9\u8d5e20\u6b21\uff0c\u6536\u85cf18\u6b21\u3002\u4f60\u662f\u5426\u66fe\u4e3a\u4e0b\u8f7d\u5927\u6587\u4ef6\u65f6\u6f2b\u957f\u7684\u7b49\u5f85\u800c\u611f\u5230\u6293\u72c2\uff1f\u6216\u8005\u597d\u5947\u4e00\u4e2a Web \u670d\u52a1\u5668\u662f\u5982\u4f55\u4ece\u96f6\u5f00\u59cb\u54cd\u5e94\u4f60\u7684\u6d4f\u89c8\u5668\u8bf7\u6c42\u7684\uff1f\u7f51\u7edc\u7f16\u7a0b\u542c\u8d77\u6765\u9ad8\u6df1\u83ab\u6d4b\uff0c\u4f46\u5b83\u5176\u5b9e\u79bb\u6211\u4eec\u7684\u751f\u6d3b\u5e76\u4e0d\u8fdc\u2014\u2014\u4ece\u6279\u91cf\u4e0b\u8f7d\u8d44\u6e90\u5230\u642d\u5efa\u4e2a\u4eba\u7f51\u7ad9\uff0c\u8fd9\u4e9b\u6280\u80fd\u90fd\u80fd\u8ba9\u4f60\u7684\u5de5\u4f5c\u6548\u7387\u7ffb\u500d\uff0c\u751a\u81f3\u5f00\u542f\u5168\u65b0\u7684\u804c\u4e1a\u53ef\u80fd\u3002\u672c\u6587\u5c06\u5e26\u4f60\u8d70\u8fdbPython 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