{"id":8857,"date":"2025-04-18T16:58:34","date_gmt":"2025-04-18T08:58:34","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/8857.html"},"modified":"2025-04-18T16:58:34","modified_gmt":"2025-04-18T08:58:34","slug":"node-js-http%e6%a8%a1%e5%9d%97%e8%af%a6%e8%a7%a3%ef%bc%9a%e5%88%9b%e5%bb%ba%e6%9c%8d%e5%8a%a1%e5%99%a8%e3%80%81%e5%93%8d%e5%ba%94%e8%af%b7%e6%b1%82%e4%b8%8e%e5%ae%a2%e6%88%b7%e7%ab%af%e8%af%b7","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/8857.html","title":{"rendered":"Node.js HTTP\u6a21\u5757\u8be6\u89e3\uff1a\u521b\u5efa\u670d\u52a1\u5668\u3001\u54cd\u5e94\u8bf7\u6c42\u4e0e\u5ba2\u6237\u7aef\u8bf7\u6c42"},"content":{"rendered":"<h4>Node.js HTTP\u6a21\u5757\u8be6\u89e3\uff1a\u521b\u5efa\u670d\u52a1\u5668\u3001\u54cd\u5e94\u8bf7\u6c42\u4e0e\u5ba2\u6237\u7aef\u8bf7\u6c42<\/h4>\n<p>Node.js \u7684 http \u6a21\u5757\u662f Node.js \u6838\u5fc3\u6a21\u5757\u4e4b\u4e00\uff0c\u5b83\u5141\u8bb8\u4f60\u521b\u5efa HTTP 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console.log(`\u670d\u52a1\u5668\u8fd0\u884c\u5728 http:\/\/localhost:3000\/`);<br \/>\n});<\/p>\n<h5>2. \u54cd\u5e94\u65b9\u6cd5<\/h5>\n<p>Node.js \u7684 http \u6a21\u5757\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u54cd\u5e94 HTTP \u8bf7\u6c42\u3002\u4ee5\u4e0b\u662f http.ServerResponse \u5bf9\u8c61\u7684\u4e00\u4e9b\u5e38\u7528\u65b9\u6cd5\u53ca\u5176\u4f5c\u7528\uff1a<\/p>\n<li>\n<p>writeHead(statusCode, [reasonPhrase], [headers]):<\/p>\n<ul>\n<li>\n<p>\u4f5c\u7528\uff1a\u53d1\u9001\u4e00\u4e2a HTTP \u54cd\u5e94\u5934\u5230\u5ba2\u6237\u7aef\u3002statusCode \u662f\u72b6\u6001\u7801\uff0creasonPhrase \u662f\u53ef\u9009\u7684\u72b6\u6001\u77ed\u8bed\uff08\u4f8b\u5982\uff1a\u201cOK\u201d\uff09\uff0cheaders \u662f\u4e00\u4e2a\u5305\u542b\u5934\u90e8\u5b57\u6bb5\u7684\u5bf9\u8c61\u3002<\/p>\n<\/li>\n<li>\n<p>\u793a\u4f8b\uff1a<\/p>\n<p> res.writeHead(200, { \\&#8217;Content-Type\\&#8217;: \\&#8217;text\/plain\\&#8217; });\n <\/li>\n<\/ul>\n<\/li>\n<li>\n<p>write(chunk, [encoding]):<\/p>\n<ul>\n<li>\n<p>\u4f5c\u7528\uff1a\u53d1\u9001\u4e00\u4e2a HTTP \u54cd\u5e94\u4f53\u7684\u7247\u6bb5\u3002chunk \u662f\u8981\u53d1\u9001\u7684\u6570\u636e\u5757\uff0cencoding \u662f\u6570\u636e\u7684\u7f16\u7801\uff0c\u9ed8\u8ba4\u4e3a \\&#8217;utf8\\&#8217;\u3002<\/p>\n<\/li>\n<li>\n<p>\u793a\u4f8b\uff1a<\/p>\n<p> res.write(\\&#8217;Hello, \\&#8217;);<br \/>\nres.write(\\&#8217;World!\\&#8217;, \\&#8217;utf8\\&#8217;);\n <\/li>\n<\/ul>\n<\/li>\n<li>\n<p>end([data], [encoding]):<\/p>\n<ul>\n<li>\n<p>\u4f5c\u7528\uff1a\u53d1\u9001 HTTP \u54cd\u5e94\u4f53\u7684\u6700\u540e\u4e00\u4e2a\u7247\u6bb5\uff0c\u5e76\u5173\u95ed\u8fde\u63a5\u3002\u5982\u679c\u63d0\u4f9b\u4e86 data\uff0c\u5219\u4f1a\u5148\u53d1\u9001\u8fd9\u4e2a\u6570\u636e\u3002<\/p>\n<\/li>\n<li>\n<p>\u793a\u4f8b\uff1a<\/p>\n<p> res.end(\\&#8217;This is the end of the response.\\&#8217;);\n <\/li>\n<\/ul>\n<\/li>\n<li>\n<p>setHeader(name, value):<\/p>\n<ul>\n<li>\n<p>\u4f5c\u7528\uff1a\u8bbe\u7f6e\u54cd\u5e94\u5934\u5b57\u6bb5 name \u7684\u503c\u4e3a value\u3002<\/p>\n<\/li>\n<li>\n<p>\u793a\u4f8b\uff1a<\/p>\n<p> res.setHeader(\\&#8217;Content-Type\\&#8217;, \\&#8217;application\/json\\&#8217;);\n <\/li>\n<\/ul>\n<\/li>\n<li>\n<p>getHeader(name):<\/p>\n<ul>\n<li>\n<p>\u4f5c\u7528\uff1a\u8fd4\u56de\u54cd\u5e94\u5934\u5b57\u6bb5 name \u7684\u503c\u3002<\/p>\n<\/li>\n<li>\n<p>\u793a\u4f8b\uff1a<\/p>\n<p> const contentType = res.getHeader(\\&#8217;Content-Type\\&#8217;);\n <\/li>\n<\/ul>\n<\/li>\n<li>\n<p>removeHeader(name):<\/p>\n<ul>\n<li>\n<p>\u4f5c\u7528\uff1a\u79fb\u9664\u54cd\u5e94\u5934\u5b57\u6bb5 name\u3002<\/p>\n<\/li>\n<li>\n<p>\u793a\u4f8b\uff1a<\/p>\n<p> res.removeHeader(\\&#8217;Content-Type\\&#8217;);\n 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\u54cd\u5e94\u7684\u7075\u6d3b\u6027\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u6839\u636e\u9700\u8981\u53d1\u9001\u4e0d\u540c\u7c7b\u578b\u7684\u54cd\u5e94\u3002\u6a21\u5757\u53d1\u9001\u4e0d\u540c\u7c7b\u578b\u7684HTTP\u8bf7\u6c42\uff0c\u5305\u62ec\u57fa\u672c\u7684GET\u8bf7\u6c42\u3001POST\u8bf7\u6c42\u3001\u53d1\u9001JSON\u6570\u636e\u3001\u5904\u7406GET\u53c2\u6570\u548c\u81ea\u52a8\u5904\u7406\u91cd\u5b9a\u5411\u3002\u8bf7\u6c42\u5934\u5b57\u6bb5\u53ef\u4ee5\u5305\u542b\u5ba2\u6237\u7aef\u80fd\u591f\u5904\u7406\u7684MIME\u7c7b\u578b\u5217\u8868\uff0c\u8fd9\u5141\u8bb8\u670d\u52a1\u5668\u6839\u636e\u5ba2\u6237\u7aef\u7684\u80fd\u529b\u8fd4\u56de\u5408\u9002\u7684\u6570\u636e\u683c\u5f0f\u3002\uff1a\u8868\u793a\u670d\u52a1\u5668\u5728\u5904\u7406\u8bf7\u6c42\u7684\u8fc7\u7a0b\u4e2d\u53d1\u751f\u4e86\u9519\u8bef\u3002_nodejs createserver 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