{"id":393,"date":"2013-08-01T14:10:33","date_gmt":"2013-08-01T06:10:33","guid":{"rendered":"http:\/\/www.code-life.com\/?p=393"},"modified":"2013-08-01T14:24:34","modified_gmt":"2013-08-01T06:24:34","slug":"http%e9%94%99%e8%af%af%e4%bb%a3%e7%a0%81%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/www.code-life.com\/?p=393","title":{"rendered":"HTTP\u72b6\u6001\u7801"},"content":{"rendered":"<p>HTTP\u72b6\u6001\u7801\uff08\u82f1\u8bed\uff1aHTTP Status Code\uff09\u662f\u7528\u4ee5\u8868\u793a\u7f51\u9875\u670d\u52a1\u5668HTTP\u54cd\u5e94\u72b6\u6001\u76843\u4f4d\u6570\u5b57\u4ee3\u7801\u3002\u5b83\u7531RFC 2616\u89c4\u8303\u5b9a\u4e49\u7684\uff0c\u5e76\u5f97\u5230RFC 2518\u3001RFC 2817\u3001RFC 2295\u3001RFC 2774\u3001RFC 4918\u7b49\u89c4\u8303\u6269\u5c55\u3002<br \/>\n\u6240\u6709\u72b6\u6001\u7801\u7684\u7b2c\u4e00\u4e2a\u6570\u5b57\u4ee3\u8868\u4e86\u54cd\u5e94\u7684\u4e94\u79cd\u72b6\u6001\u4e4b\u4e00\u3002<\/p>\n<h1><strong>1xx\u6d88\u606f<\/strong><\/h1>\n<p>\u8fd9\u4e00\u7c7b\u578b\u7684\u72b6\u6001\u7801\uff0c\u4ee3\u8868\u8bf7\u6c42\u5df2\u88ab\u63a5\u53d7\uff0c\u9700\u8981\u7ee7\u7eed\u5904\u7406\u3002\u8fd9\u7c7b\u54cd\u5e94\u662f\u4e34\u65f6\u54cd\u5e94\uff0c\u53ea\u5305\u542b\u72b6\u6001\u884c\u548c\u67d0\u4e9b\u53ef\u9009\u7684\u54cd\u5e94\u5934\u4fe1\u606f\uff0c\u5e76\u4ee5\u7a7a\u884c\u7ed3\u675f\u3002\u7531\u4e8eHTTP\/1.0\u534f\u8bae\u4e2d\u6ca1\u6709\u5b9a\u4e49\u4efb\u4f551xx\u72b6\u6001\u7801\uff0c\u6240\u4ee5\u9664\u975e\u5728\u67d0\u4e9b\u8bd5\u9a8c\u6761\u4ef6\u4e0b\uff0c\u670d\u52a1\u5668\u7981\u6b62\u5411\u6b64\u7c7b\u5ba2\u6237\u7aef\u53d1\u90011xx\u54cd\u5e94\u3002 \u8fd9\u4e9b\u72b6\u6001\u7801\u4ee3\u8868\u7684\u54cd\u5e94\u90fd\u662f\u4fe1\u606f\u6027\u7684\uff0c\u6807\u793a\u5ba2\u6237\u5e94\u8be5\u91c7\u53d6\u7684\u5176\u4ed6\u884c\u52a8\u3002<\/p>\n<ul>\n<li>100 Continue<\/li>\n<\/ul>\n<p>\u5ba2\u6237\u7aef\u5e94\u5f53\u7ee7\u7eed\u53d1\u9001\u8bf7\u6c42\u3002\u8fd9\u4e2a\u4e34\u65f6\u54cd\u5e94\u662f\u7528\u6765\u901a\u77e5\u5ba2\u6237\u7aef\u5b83\u7684\u90e8\u5206\u8bf7\u6c42\u5df2\u7ecf\u88ab\u670d\u52a1\u5668\u63a5\u6536\uff0c\u4e14\u4ecd\u672a\u88ab\u62d2\u7edd\u3002\u5ba2\u6237\u7aef\u5e94\u5f53\u7ee7\u7eed\u53d1\u9001\u8bf7\u6c42\u7684\u5269\u4f59\u90e8\u5206\uff0c\u6216\u8005\u5982\u679c\u8bf7\u6c42\u5df2\u7ecf\u5b8c\u6210\uff0c\u5ffd\u7565\u8fd9\u4e2a\u54cd\u5e94\u3002\u670d\u52a1\u5668\u5fc5\u987b\u5728\u8bf7\u6c42\u5b8c\u6210\u540e\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2a\u6700\u7ec8\u54cd\u5e94\u3002<\/p>\n<ul>\n<li>101 Switching Protocols<\/li>\n<\/ul>\n<p>\u670d\u52a1\u5668\u5df2\u7ecf\u7406\u89e3\u4e86\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u5e76\u5c06\u901a\u8fc7Upgrade\u6d88\u606f\u5934\u901a\u77e5\u5ba2\u6237\u7aef\u91c7\u7528\u4e0d\u540c\u7684\u534f\u8bae\u6765\u5b8c\u6210\u8fd9\u4e2a\u8bf7\u6c42\u3002\u5728\u53d1\u9001\u5b8c\u8fd9\u4e2a\u54cd\u5e94\u6700\u540e\u7684\u7a7a\u884c\u540e\uff0c\u670d\u52a1\u5668\u5c06\u4f1a\u5207\u6362\u5230\u5728Upgrade\u6d88\u606f\u5934\u4e2d\u5b9a\u4e49\u7684\u90a3\u4e9b\u534f\u8bae\u3002: \u53ea\u6709\u5728\u5207\u6362\u65b0\u7684\u534f\u8bae\u66f4\u6709\u597d\u5904\u7684\u65f6\u5019\u624d\u5e94\u8be5\u91c7\u53d6\u7c7b\u4f3c\u63aa\u65bd\u3002\u4f8b\u5982\uff0c\u5207\u6362\u5230\u65b0\u7684HTTP\u7248\u672c\u6bd4\u65e7\u7248\u672c\u66f4\u6709\u4f18\u52bf\uff0c\u6216\u8005\u5207\u6362\u5230\u4e00\u4e2a\u5b9e\u65f6\u4e14\u540c\u6b65\u7684\u534f\u8bae\u4ee5\u4f20\u9001\u5229\u7528\u6b64\u7c7b\u7279\u6027\u7684\u8d44\u6e90\u3002<\/p>\n<ul>\n<li>102 Processing<\/li>\n<\/ul>\n<p>\u7531WebDAV\uff08RFC 2518\uff09\u6269\u5c55\u7684\u72b6\u6001\u7801\uff0c\u4ee3\u8868\u5904\u7406\u5c06\u88ab\u7ee7\u7eed\u6267\u884c\u3002<\/p>\n<h1><strong>2xx\u6210\u529f<\/strong><\/h1>\n<p>\u8fd9\u4e00\u7c7b\u578b\u7684\u72b6\u6001\u7801\uff0c\u4ee3\u8868\u8bf7\u6c42\u5df2\u6210\u529f\u88ab\u670d\u52a1\u5668\u63a5\u6536\u3001\u7406\u89e3\u3001\u5e76\u63a5\u53d7\u3002<\/p>\n<ul>\n<li>200 OK<\/li>\n<\/ul>\n<p>\u8bf7\u6c42\u5df2\u6210\u529f\uff0c\u8bf7\u6c42\u6240\u5e0c\u671b\u7684\u54cd\u5e94\u5934\u6216\u6570\u636e\u4f53\u5c06\u968f\u6b64\u54cd\u5e94\u8fd4\u56de\u3002<\/p>\n<ul>\n<li>201 Created<\/li>\n<\/ul>\n<p>\u8bf7\u6c42\u5df2\u7ecf\u88ab\u5b9e\u73b0\uff0c\u800c\u4e14\u6709\u4e00\u4e2a\u65b0\u7684\u8d44\u6e90\u5df2\u7ecf\u4f9d\u636e\u8bf7\u6c42\u7684\u9700\u8981\u800c\u521b\u5efa\uff0c\u4e14\u5176URI\u5df2\u7ecf\u968fLocation\u5934\u4fe1\u606f\u8fd4\u56de\u3002\u5047\u5982\u9700\u8981\u7684\u8d44\u6e90\u65e0\u6cd5\u53ca\u65f6\u521b\u5efa\u7684\u8bdd\uff0c\u5e94\u5f53\u8fd4\u56de&#8217;202 Accepted&#8217;\u3002<\/p>\n<ul>\n<li>202 Accepted<\/li>\n<\/ul>\n<p>\u670d\u52a1\u5668\u5df2\u63a5\u53d7\u8bf7\u6c42\uff0c\u4f46\u5c1a\u672a\u5904\u7406\u3002\u6b63\u5982\u5b83\u53ef\u80fd\u88ab\u62d2\u7edd\u4e00\u6837\uff0c\u6700\u7ec8\u8be5\u8bf7\u6c42\u53ef\u80fd\u4f1a\u4e5f\u53ef\u80fd\u4e0d\u4f1a\u88ab\u6267\u884c\u3002\u5728\u5f02\u6b65\u64cd\u4f5c\u7684\u573a\u5408\u4e0b\uff0c\u6ca1\u6709\u6bd4\u53d1\u9001\u8fd9\u4e2a\u72b6\u6001\u7801\u66f4\u65b9\u4fbf\u7684\u505a\u6cd5\u4e86\u3002:\u8fd4\u56de202\u72b6\u6001\u7801\u7684\u54cd\u5e94\u7684\u76ee\u7684\u662f\u5141\u8bb8\u670d\u52a1\u5668\u63a5\u53d7\u5176\u4ed6\u8fc7\u7a0b\u7684\u8bf7\u6c42\uff08\u4f8b\u5982\u67d0\u4e2a\u6bcf\u5929\u53ea\u6267\u884c\u4e00\u6b21\u7684\u57fa\u4e8e\u6279\u5904\u7406\u7684\u64cd\u4f5c\uff09\uff0c\u800c\u4e0d\u5fc5\u8ba9\u5ba2\u6237\u7aef\u4e00\u76f4\u4fdd\u6301\u4e0e\u670d\u52a1\u5668\u7684\u8fde\u63a5\u76f4\u5230\u6279\u5904\u7406\u64cd\u4f5c\u5168\u90e8\u5b8c\u6210\u3002\u5728\u63a5\u53d7\u8bf7\u6c42\u5904\u7406\u5e76\u8fd4\u56de202\u72b6\u6001\u7801\u7684\u54cd\u5e94\u5e94\u5f53\u5728\u8fd4\u56de\u7684\u5b9e\u4f53\u4e2d\u5305\u542b\u4e00\u4e9b\u6307\u793a\u5904\u7406\u5f53\u524d\u72b6\u6001\u7684\u4fe1\u606f\uff0c\u4ee5\u53ca\u6307\u5411\u5904\u7406\u72b6\u6001\u76d1\u89c6\u5668\u6216\u72b6\u6001\u9884\u6d4b\u7684\u6307\u9488\uff0c\u4ee5\u4fbf\u7528\u6237\u80fd\u591f\u4f30\u8ba1\u64cd\u4f5c\u662f\u5426\u5df2\u7ecf\u5b8c\u6210\u3002<\/p>\n<ul>\n<li>203 Non-Authoritative Information<\/li>\n<\/ul>\n<p>\u670d\u52a1\u5668\u5df2\u6210\u529f\u5904\u7406\u4e86\u8bf7\u6c42\uff0c\u4f46\u8fd4\u56de\u7684\u5b9e\u4f53\u5934\u90e8\u5143\u4fe1\u606f\u4e0d\u662f\u5728\u539f\u59cb\u670d\u52a1\u5668\u4e0a\u6709\u6548\u7684\u786e\u5b9a\u96c6\u5408\uff0c\u800c\u662f\u6765\u81ea\u672c\u5730\u6216\u8005\u7b2c\u4e09\u65b9\u7684\u62f7\u8d1d\u3002\u5f53\u524d\u7684\u4fe1\u606f\u53ef\u80fd\u662f\u539f\u59cb\u7248\u672c\u7684\u5b50\u96c6\u6216\u8005\u8d85\u96c6\u3002\u4f8b\u5982\uff0c\u5305\u542b\u8d44\u6e90\u7684\u5143\u6570\u636e\u53ef\u80fd\u5bfc\u81f4\u539f\u59cb\u670d\u52a1\u5668\u77e5\u9053\u5143\u4fe1\u606f\u7684\u8d85\u96c6\u3002\u4f7f\u7528\u6b64\u72b6\u6001\u7801\u4e0d\u662f\u5fc5\u987b\u7684\uff0c\u800c\u4e14\u53ea\u6709\u5728\u54cd\u5e94\u4e0d\u4f7f\u7528\u6b64\u72b6\u6001\u7801\u4fbf\u4f1a\u8fd4\u56de200 OK\u7684\u60c5\u51b5\u4e0b\u624d\u662f\u5408\u9002\u7684\u3002<\/p>\n<ul>\n<li>204 No Content<\/li>\n<\/ul>\n<p>\u670d\u52a1\u5668\u6210\u529f\u5904\u7406\u4e86\u8bf7\u6c42\uff0c\u4f46\u4e0d\u9700\u8981\u8fd4\u56de\u4efb\u4f55\u5b9e\u4f53\u5185\u5bb9\uff0c\u5e76\u4e14\u5e0c\u671b\u8fd4\u56de\u66f4\u65b0\u4e86\u7684\u5143\u4fe1\u606f\u3002\u54cd\u5e94\u53ef\u80fd\u901a\u8fc7\u5b9e\u4f53\u5934\u90e8\u7684\u5f62\u5f0f\uff0c\u8fd4\u56de\u65b0\u7684\u6216\u66f4\u65b0\u540e\u7684\u5143\u4fe1\u606f\u3002\u5982\u679c\u5b58\u5728\u8fd9\u4e9b\u5934\u90e8\u4fe1\u606f\uff0c\u5219\u5e94\u5f53\u4e0e\u6240\u8bf7\u6c42\u7684\u53d8\u91cf\u76f8\u547c\u5e94\u3002<br \/>\n\u5982\u679c\u5ba2\u6237\u7aef\u662f\u6d4f\u89c8\u5668\u7684\u8bdd\uff0c\u90a3\u4e48\u7528\u6237\u6d4f\u89c8\u5668\u5e94\u4fdd\u7559\u53d1\u9001\u4e86\u8be5\u8bf7\u6c42\u7684\u9875\u9762\uff0c\u800c\u4e0d\u4ea7\u751f\u4efb\u4f55\u6587\u6863\u89c6\u56fe\u4e0a\u7684\u53d8\u5316\uff0c\u5373\u4f7f\u6309\u7167\u89c4\u8303\u65b0\u7684\u6216\u66f4\u65b0\u540e\u7684\u5143\u4fe1\u606f\u5e94\u5f53\u88ab\u5e94\u7528\u5230\u7528\u6237\u6d4f\u89c8\u5668\u6d3b\u52a8\u89c6\u56fe\u4e2d\u7684\u6587\u6863\u3002<br \/>\n\u7531\u4e8e204\u54cd\u5e94\u88ab\u7981\u6b62\u5305\u542b\u4efb\u4f55\u6d88\u606f\u4f53\uff0c\u56e0\u6b64\u5b83\u59cb\u7ec8\u4ee5\u6d88\u606f\u5934\u540e\u7684\u7b2c\u4e00\u4e2a\u7a7a\u884c\u7ed3\u5c3e\u3002<\/p>\n<ul>\n<li>205 Reset Content<\/li>\n<\/ul>\n<p>\u670d\u52a1\u5668\u6210\u529f\u5904\u7406\u4e86\u8bf7\u6c42\uff0c\u4e14\u6ca1\u6709\u8fd4\u56de\u4efb\u4f55\u5185\u5bb9\u3002\u4f46\u662f\u4e0e204\u54cd\u5e94\u4e0d\u540c\uff0c\u8fd4\u56de\u6b64\u72b6\u6001\u7801\u7684\u54cd\u5e94\u8981\u6c42\u8bf7\u6c42\u8005\u91cd\u7f6e\u6587\u6863\u89c6\u56fe\u3002\u8be5\u54cd\u5e94\u4e3b\u8981\u662f\u88ab\u7528\u4e8e\u63a5\u53d7\u7528\u6237\u8f93\u5165\u540e\uff0c\u7acb\u5373\u91cd\u7f6e\u8868\u5355\uff0c\u4ee5\u4fbf\u7528\u6237\u80fd\u591f\u8f7b\u677e\u5730\u5f00\u59cb\u53e6\u4e00\u6b21\u8f93\u5165\u3002<br \/>\n\u4e0e204\u54cd\u5e94\u4e00\u6837\uff0c\u8be5\u54cd\u5e94\u4e5f\u88ab\u7981\u6b62\u5305\u542b\u4efb\u4f55\u6d88\u606f\u4f53\uff0c\u4e14\u4ee5\u6d88\u606f\u5934\u540e\u7684\u7b2c\u4e00\u4e2a\u7a7a\u884c\u7ed3\u675f\u3002<\/p>\n<ul>\n<li>206 Partial Content<\/li>\n<\/ul>\n<p>\u670d\u52a1\u5668\u5df2\u7ecf\u6210\u529f\u5904\u7406\u4e86\u90e8\u5206GET\u8bf7\u6c42\u3002\u7c7b\u4f3c\u4e8eFlashGet\u6216\u8005\u8fc5\u96f7\u8fd9\u7c7b\u7684HTTP \u4e0b\u8f7d\u5de5\u5177\u90fd\u662f\u4f7f\u7528\u6b64\u7c7b\u54cd\u5e94\u5b9e\u73b0\u65ad\u70b9\u7eed\u4f20\u6216\u8005\u5c06\u4e00\u4e2a\u5927\u6587\u6863\u5206\u89e3\u4e3a\u591a\u4e2a\u4e0b\u8f7d\u6bb5\u540c\u65f6\u4e0b\u8f7d\u3002<br \/>\n\u8be5\u8bf7\u6c42\u5fc5\u987b\u5305\u542bRange\u5934\u4fe1\u606f\u6765\u6307\u793a\u5ba2\u6237\u7aef\u5e0c\u671b\u5f97\u5230\u7684\u5185\u5bb9\u8303\u56f4\uff0c\u5e76\u4e14\u53ef\u80fd\u5305\u542bIf-Range\u6765\u4f5c\u4e3a\u8bf7\u6c42\u6761\u4ef6\u3002<br \/>\n\u54cd\u5e94\u5fc5\u987b\u5305\u542b\u5982\u4e0b\u7684\u5934\u90e8\u57df\uff1a<br \/>\nContent-Range\u7528\u4ee5\u6307\u793a\u672c\u6b21\u54cd\u5e94\u4e2d\u8fd4\u56de\u7684\u5185\u5bb9\u7684\u8303\u56f4\uff1b\u5982\u679c\u662fContent-Type\u4e3amultipart\/byteranges\u7684\u591a\u6bb5\u4e0b\u8f7d\uff0c\u5219\u6bcf\u4e00multipart\u6bb5\u4e2d\u90fd\u5e94\u5305\u542bContent-Range\u57df\u7528\u4ee5\u6307\u793a\u672c\u6bb5\u7684\u5185\u5bb9\u8303\u56f4\u3002\u5047\u5982\u54cd\u5e94\u4e2d\u5305\u542bContent-Length\uff0c\u90a3\u4e48\u5b83\u7684\u6570\u503c\u5fc5\u987b\u5339\u914d\u5b83\u8fd4\u56de\u7684\u5185\u5bb9\u8303\u56f4\u7684\u771f\u5b9e\u5b57\u8282\u6570\u3002<br \/>\nDate<br \/>\nETag\u548c\uff0f\u6216Content-Location\uff0c\u5047\u5982\u540c\u6837\u7684\u8bf7\u6c42\u672c\u5e94\u8be5\u8fd4\u56de200\u54cd\u5e94\u3002<br \/>\nExpires, Cache-Control\uff0c\u548c\uff0f\u6216Vary\uff0c\u5047\u5982\u5176\u503c\u53ef\u80fd\u4e0e\u4e4b\u524d\u76f8\u540c\u53d8\u91cf\u7684\u5176\u4ed6\u54cd\u5e94\u5bf9\u5e94\u7684\u503c\u4e0d\u540c\u7684\u8bdd\u3002<br \/>\n\u5047\u5982\u672c\u54cd\u5e94\u8bf7\u6c42\u4f7f\u7528\u4e86If-Range\u5f3a\u7f13\u5b58\u9a8c\u8bc1\uff0c\u90a3\u4e48\u672c\u6b21\u54cd\u5e94\u4e0d\u5e94\u8be5\u5305\u542b\u5176\u4ed6\u5b9e\u4f53\u5934\uff1b\u5047\u5982\u672c\u54cd\u5e94\u7684\u8bf7\u6c42\u4f7f\u7528\u4e86If-Range\u5f31\u7f13\u5b58\u9a8c\u8bc1\uff0c\u90a3\u4e48\u672c\u6b21\u54cd\u5e94\u7981\u6b62\u5305\u542b\u5176\u4ed6\u5b9e\u4f53\u5934\uff1b\u8fd9\u907f\u514d\u4e86\u7f13\u5b58\u7684\u5b9e\u4f53\u5185\u5bb9\u548c\u66f4\u65b0\u4e86\u7684\u5b9e\u4f53\u5934\u4fe1\u606f\u4e4b\u95f4\u7684\u4e0d\u4e00\u81f4\u3002\u5426\u5219\uff0c\u672c\u54cd\u5e94\u5c31\u5e94\u5f53\u5305\u542b\u6240\u6709\u672c\u5e94\u8be5\u8fd4\u56de200\u54cd\u5e94\u4e2d\u5e94\u5f53\u8fd4\u56de\u7684\u6240\u6709\u5b9e\u4f53\u5934\u90e8\u57df\u3002<br \/>\n\u5047\u5982ETag\u6216Last-Modified\u5934\u90e8\u4e0d\u80fd\u7cbe\u786e\u5339\u914d\u7684\u8bdd\uff0c\u5219\u5ba2\u6237\u7aef\u7f13\u5b58\u5e94\u7981\u6b62\u5c06206\u54cd\u5e94\u8fd4\u56de\u7684\u5185\u5bb9\u4e0e\u4e4b\u524d\u4efb\u4f55\u7f13\u5b58\u8fc7\u7684\u5185\u5bb9\u7ec4\u5408\u5728\u4e00\u8d77\u3002<br \/>\n\u4efb\u4f55\u4e0d\u652f\u6301Range\u4ee5\u53caContent-Range\u5934\u7684\u7f13\u5b58\u90fd\u7981\u6b62\u7f13\u5b58206\u54cd\u5e94\u8fd4\u56de\u7684\u5185\u5bb9\u3002<\/p>\n<ul>\n<li>207 Multi-Status<\/li>\n<\/ul>\n<p>\u7531WebDAV(RFC 2518)\u6269\u5c55\u7684\u72b6\u6001\u7801\uff0c\u4ee3\u8868\u4e4b\u540e\u7684\u6d88\u606f\u4f53\u5c06\u662f\u4e00\u4e2aXML\u6d88\u606f\uff0c\u5e76\u4e14\u53ef\u80fd\u4f9d\u7167\u4e4b\u524d\u5b50\u8bf7\u6c42\u6570\u91cf\u7684\u4e0d\u540c\uff0c\u5305\u542b\u4e00\u7cfb\u5217\u72ec\u7acb\u7684\u54cd\u5e94\u4ee3\u7801\u3002<\/p>\n<h1><strong>3xx\u91cd\u5b9a\u5411<\/strong><\/h1>\n<p>\u8fd9\u7c7b\u72b6\u6001\u7801\u4ee3\u8868\u9700\u8981\u5ba2\u6237\u7aef\u91c7\u53d6\u8fdb\u4e00\u6b65\u7684\u64cd\u4f5c\u624d\u80fd\u5b8c\u6210\u8bf7\u6c42\u3002\u901a\u5e38\uff0c\u8fd9\u4e9b\u72b6\u6001\u7801\u7528\u6765\u91cd\u5b9a\u5411\uff0c\u540e\u7eed\u7684\u8bf7\u6c42\u5730\u5740\uff08\u91cd\u5b9a\u5411\u76ee\u6807\uff09\u5728\u672c\u6b21\u54cd\u5e94\u7684Location\u57df\u4e2d\u6307\u660e\u3002<br \/>\n\u5f53\u4e14\u4ec5\u5f53\u540e\u7eed\u7684\u8bf7\u6c42\u6240\u4f7f\u7528\u7684\u65b9\u6cd5\u662fGET\u6216\u8005HEAD\u65f6\uff0c\u7528\u6237\u6d4f\u89c8\u5668\u624d\u53ef\u4ee5\u5728\u6ca1\u6709\u7528\u6237\u4ecb\u5165\u7684\u60c5\u51b5\u4e0b\u81ea\u52a8\u63d0\u4ea4\u6240\u9700\u8981\u7684\u540e\u7eed\u8bf7\u6c42\u3002\u5ba2\u6237\u7aef\u5e94\u5f53\u81ea\u52a8\u76d1\u6d4b\u65e0\u9650\u5faa\u73af\u91cd\u5b9a\u5411\uff08\u4f8b\u5982\uff1aA-&gt;A\uff0c\u6216\u8005A-&gt;B-&gt;C-&gt;A\uff09\uff0c\u56e0\u4e3a\u8fd9\u4f1a\u5bfc\u81f4\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u5927\u91cf\u4e0d\u5fc5\u8981\u7684\u8d44\u6e90\u6d88\u8017\u3002\u6309\u7167HTTP\/1.0\u7248\u89c4\u8303\u7684\u5efa\u8bae\uff0c\u6d4f\u89c8\u5668\u4e0d\u5e94\u81ea\u52a8\u8bbf\u95ee\u8d85\u8fc75\u6b21\u7684\u91cd\u5b9a\u5411\u3002<\/p>\n<ul>\n<li>300 Multiple Choices<\/li>\n<\/ul>\n<p>\u88ab\u8bf7\u6c42\u7684\u8d44\u6e90\u6709\u4e00\u7cfb\u5217\u53ef\u4f9b\u9009\u62e9\u7684\u56de\u9988\u4fe1\u606f\uff0c\u6bcf\u4e2a\u90fd\u6709\u81ea\u5df1\u7279\u5b9a\u7684\u5730\u5740\u548c\u6d4f\u89c8\u5668\u9a71\u52a8\u7684\u5546\u8bae\u4fe1\u606f\u3002\u7528\u6237\u6216\u6d4f\u89c8\u5668\u80fd\u591f\u81ea\u884c\u9009\u62e9\u4e00\u4e2a\u9996\u9009\u7684\u5730\u5740\u8fdb\u884c\u91cd\u5b9a\u5411\u3002<br \/>\n\u9664\u975e\u8fd9\u662f\u4e00\u4e2aHEAD\u8bf7\u6c42\uff0c\u5426\u5219\u8be5\u54cd\u5e94\u5e94\u5f53\u5305\u62ec\u4e00\u4e2a\u8d44\u6e90\u7279\u6027\u53ca\u5730\u5740\u7684\u5217\u8868\u7684\u5b9e\u4f53\uff0c\u4ee5\u4fbf\u7528\u6237\u6216\u6d4f\u89c8\u5668\u4ece\u4e2d\u9009\u62e9\u6700\u5408\u9002\u7684\u91cd\u5b9a\u5411\u5730\u5740\u3002\u8fd9\u4e2a\u5b9e\u4f53\u7684\u683c\u5f0f\u7531Content-Type\u5b9a\u4e49\u7684\u683c\u5f0f\u6240\u51b3\u5b9a\u3002\u6d4f\u89c8\u5668\u53ef\u80fd\u6839\u636e\u54cd\u5e94\u7684\u683c\u5f0f\u4ee5\u53ca\u6d4f\u89c8\u5668\u81ea\u8eab\u80fd\u529b\uff0c\u81ea\u52a8\u4f5c\u51fa\u6700\u5408\u9002\u7684\u9009\u62e9\u3002\u5f53\u7136\uff0cRFC 2616\u89c4\u8303\u5e76\u6ca1\u6709\u89c4\u5b9a\u8fd9\u6837\u7684\u81ea\u52a8\u9009\u62e9\u8be5\u5982\u4f55\u8fdb\u884c\u3002<br \/>\n\u5982\u679c\u670d\u52a1\u5668\u672c\u8eab\u5df2\u7ecf\u6709\u4e86\u9996\u9009\u7684\u56de\u9988\u9009\u62e9\uff0c\u90a3\u4e48\u5728Location\u4e2d\u5e94\u5f53\u6307\u660e\u8fd9\u4e2a\u56de\u9988\u7684URI\uff1b\u6d4f\u89c8\u5668\u53ef\u80fd\u4f1a\u5c06\u8fd9\u4e2aLocation\u503c\u4f5c\u4e3a\u81ea\u52a8\u91cd\u5b9a\u5411\u7684\u5730\u5740\u3002\u6b64\u5916\uff0c\u9664\u975e\u989d\u5916\u6307\u5b9a\uff0c\u5426\u5219\u8fd9\u4e2a\u54cd\u5e94\u4e5f\u662f\u53ef\u7f13\u5b58\u7684\u3002<\/p>\n<ul>\n<li>301 Moved Permanently<\/li>\n<\/ul>\n<p>\u88ab\u8bf7\u6c42\u7684\u8d44\u6e90\u5df2\u6c38\u4e45\u79fb\u52a8\u5230\u65b0\u4f4d\u7f6e\uff0c\u5e76\u4e14\u5c06\u6765\u4efb\u4f55\u5bf9\u6b64\u8d44\u6e90\u7684\u5f15\u7528\u90fd\u5e94\u8be5\u4f7f\u7528\u672c\u54cd\u5e94\u8fd4\u56de\u7684\u82e5\u5e72\u4e2aURI\u4e4b\u4e00\u3002\u5982\u679c\u53ef\u80fd\uff0c\u62e5\u6709\u94fe\u63a5\u7f16\u8f91\u529f\u80fd\u7684\u5ba2\u6237\u7aef\u5e94\u5f53\u81ea\u52a8\u628a\u8bf7\u6c42\u7684\u5730\u5740\u4fee\u6539\u4e3a\u4ece\u670d\u52a1\u5668\u53cd\u9988\u56de\u6765\u7684\u5730\u5740\u3002\u9664\u975e\u989d\u5916\u6307\u5b9a\uff0c\u5426\u5219\u8fd9\u4e2a\u54cd\u5e94\u4e5f\u662f\u53ef\u7f13\u5b58\u7684\u3002<br \/>\n\u65b0\u7684\u6c38\u4e45\u6027\u7684URI\u5e94\u5f53\u5728\u54cd\u5e94\u7684Location\u57df\u4e2d\u8fd4\u56de\u3002\u9664\u975e\u8fd9\u662f\u4e00\u4e2aHEAD\u8bf7\u6c42\uff0c\u5426\u5219\u54cd\u5e94\u7684\u5b9e\u4f53\u4e2d\u5e94\u5f53\u5305\u542b\u6307\u5411\u65b0\u7684URI\u7684\u8d85\u94fe\u63a5\u53ca\u7b80\u77ed\u8bf4\u660e\u3002<br \/>\n\u5982\u679c\u8fd9\u4e0d\u662f\u4e00\u4e2aGET\u6216\u8005HEAD\u8bf7\u6c42\uff0c\u56e0\u6b64\u6d4f\u89c8\u5668\u7981\u6b62\u81ea\u52a8\u8fdb\u884c\u91cd\u5b9a\u5411\uff0c\u9664\u975e\u5f97\u5230\u7528\u6237\u7684\u786e\u8ba4\uff0c\u56e0\u4e3a\u8bf7\u6c42\u7684\u6761\u4ef6\u53ef\u80fd\u56e0\u6b64\u53d1\u751f\u53d8\u5316\u3002<br \/>\n\u6ce8\u610f\uff1a\u5bf9\u4e8e\u67d0\u4e9b\u4f7f\u7528HTTP\/1.0\u534f\u8bae\u7684\u6d4f\u89c8\u5668\uff0c\u5f53\u5b83\u4eec\u53d1\u9001\u7684POST\u8bf7\u6c42\u5f97\u5230\u4e86\u4e00\u4e2a301\u54cd\u5e94\u7684\u8bdd\uff0c\u63a5\u4e0b\u6765\u7684\u91cd\u5b9a\u5411\u8bf7\u6c42\u5c06\u4f1a\u53d8\u6210GET\u65b9\u5f0f\u3002<\/p>\n<ul>\n<li>302 Found<\/li>\n<\/ul>\n<p>\u8bf7\u6c42\u7684\u8d44\u6e90\u73b0\u5728\u4e34\u65f6\u4ece\u4e0d\u540c\u7684URI\u54cd\u5e94\u8bf7\u6c42\u3002\u7531\u4e8e\u8fd9\u6837\u7684\u91cd\u5b9a\u5411\u662f\u4e34\u65f6\u7684\uff0c\u5ba2\u6237\u7aef\u5e94\u5f53\u7ee7\u7eed\u5411\u539f\u6709\u5730\u5740\u53d1\u9001\u4ee5\u540e\u7684\u8bf7\u6c42\u3002\u53ea\u6709\u5728Cache-Control\u6216Expires\u4e2d\u8fdb\u884c\u4e86\u6307\u5b9a\u7684\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e2a\u54cd\u5e94\u624d\u662f\u53ef\u7f13\u5b58\u7684\u3002<br \/>\n\u65b0\u7684\u4e34\u65f6\u6027\u7684URI\u5e94\u5f53\u5728\u54cd\u5e94\u7684Location\u57df\u4e2d\u8fd4\u56de\u3002\u9664\u975e\u8fd9\u662f\u4e00\u4e2aHEAD\u8bf7\u6c42\uff0c\u5426\u5219\u54cd\u5e94\u7684\u5b9e\u4f53\u4e2d\u5e94\u5f53\u5305\u542b\u6307\u5411\u65b0\u7684URI\u7684\u8d85\u94fe\u63a5\u53ca\u7b80\u77ed\u8bf4\u660e\u3002<br \/>\n\u5982\u679c\u8fd9\u4e0d\u662f\u4e00\u4e2aGET\u6216\u8005HEAD\u8bf7\u6c42\uff0c\u90a3\u4e48\u6d4f\u89c8\u5668\u7981\u6b62\u81ea\u52a8\u8fdb\u884c\u91cd\u5b9a\u5411\uff0c\u9664\u975e\u5f97\u5230\u7528\u6237\u7684\u786e\u8ba4\uff0c\u56e0\u4e3a\u8bf7\u6c42\u7684\u6761\u4ef6\u53ef\u80fd\u56e0\u6b64\u53d1\u751f\u53d8\u5316\u3002<br \/>\n\u6ce8\u610f\uff1a\u867d\u7136RFC 1945\u548cRFC 2068\u89c4\u8303\u4e0d\u5141\u8bb8\u5ba2\u6237\u7aef\u5728\u91cd\u5b9a\u5411\u65f6\u6539\u53d8\u8bf7\u6c42\u7684\u65b9\u6cd5\uff0c\u4f46\u662f\u5f88\u591a\u73b0\u5b58\u7684\u6d4f\u89c8\u5668\u5c06302\u54cd\u5e94\u89c6\u4f5c\u4e3a303\u54cd\u5e94\uff0c\u5e76\u4e14\u4f7f\u7528GET\u65b9\u5f0f\u8bbf\u95ee\u5728Location\u4e2d\u89c4\u5b9a\u7684URI\uff0c\u800c\u65e0\u89c6\u539f\u5148\u8bf7\u6c42\u7684\u65b9\u6cd5\u3002\u72b6\u6001\u7801303\u548c307\u88ab\u6dfb\u52a0\u4e86\u8fdb\u6765\uff0c\u7528\u4ee5\u660e\u786e\u670d\u52a1\u5668\u671f\u5f85\u5ba2\u6237\u7aef\u8fdb\u884c\u4f55\u79cd\u53cd\u5e94\u3002<\/p>\n<ul>\n<li>303 See Other<\/li>\n<\/ul>\n<p>\u5bf9\u5e94\u5f53\u524d\u8bf7\u6c42\u7684\u54cd\u5e94\u53ef\u4ee5\u5728\u53e6\u4e00\u4e2aURI\u4e0a\u88ab\u627e\u5230\uff0c\u800c\u4e14\u5ba2\u6237\u7aef\u5e94\u5f53\u91c7\u7528GET\u7684\u65b9\u5f0f\u8bbf\u95ee\u90a3\u4e2a\u8d44\u6e90\u3002\u8fd9\u4e2a\u65b9\u6cd5\u7684\u5b58\u5728\u4e3b\u8981\u662f\u4e3a\u4e86\u5141\u8bb8\u7531\u811a\u672c\u6fc0\u6d3b\u7684POST\u8bf7\u6c42\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u4e00\u4e2a\u65b0\u7684\u8d44\u6e90\u3002\u8fd9\u4e2a\u65b0\u7684URI\u4e0d\u662f\u539f\u59cb\u8d44\u6e90\u7684\u66ff\u4ee3\u5f15\u7528\u3002\u540c\u65f6\uff0c303\u54cd\u5e94\u7981\u6b62\u88ab\u7f13\u5b58\u3002\u5f53\u7136\uff0c\u7b2c\u4e8c\u4e2a\u8bf7\u6c42\uff08\u91cd\u5b9a\u5411\uff09\u53ef\u80fd\u88ab\u7f13\u5b58\u3002<br \/>\n\u65b0\u7684URI\u5e94\u5f53\u5728\u54cd\u5e94\u7684Location\u57df\u4e2d\u8fd4\u56de\u3002\u9664\u975e\u8fd9\u662f\u4e00\u4e2aHEAD\u8bf7\u6c42\uff0c\u5426\u5219\u54cd\u5e94\u7684\u5b9e\u4f53\u4e2d\u5e94\u5f53\u5305\u542b\u6307\u5411\u65b0\u7684URI\u7684\u8d85\u94fe\u63a5\u53ca\u7b80\u77ed\u8bf4\u660e\u3002<br \/>\n\u6ce8\u610f\uff1a\u8bb8\u591aHTTP\/1.1\u7248\u4ee5\u524d\u7684\u6d4f\u89c8\u5668\u4e0d\u80fd\u6b63\u786e\u7406\u89e3303\u72b6\u6001\u3002\u5982\u679c\u9700\u8981\u8003\u8651\u4e0e\u8fd9\u4e9b\u6d4f\u89c8\u5668\u4e4b\u95f4\u7684\u4e92\u52a8\uff0c302\u72b6\u6001\u7801\u5e94\u8be5\u53ef\u4ee5\u80dc\u4efb\uff0c\u56e0\u4e3a\u5927\u591a\u6570\u7684\u6d4f\u89c8\u5668\u5904\u7406302\u54cd\u5e94\u65f6\u7684\u65b9\u5f0f\u6070\u6070\u5c31\u662f\u4e0a\u8ff0\u89c4\u8303\u8981\u6c42\u5ba2\u6237\u7aef\u5904\u7406303\u54cd\u5e94\u65f6\u5e94\u5f53\u505a\u7684\u3002<\/p>\n<ul>\n<li>304 Not Modified<\/li>\n<\/ul>\n<p>\u5982\u679c\u5ba2\u6237\u7aef\u53d1\u9001\u4e86\u4e00\u4e2a\u5e26\u6761\u4ef6\u7684GET\u8bf7\u6c42\u4e14\u8be5\u8bf7\u6c42\u5df2\u88ab\u5141\u8bb8\uff0c\u800c\u6587\u6863\u7684\u5185\u5bb9\uff08\u81ea\u4e0a\u6b21\u8bbf\u95ee\u4ee5\u6765\u6216\u8005\u6839\u636e\u8bf7\u6c42\u7684\u6761\u4ef6\uff09\u5e76\u6ca1\u6709\u6539\u53d8\uff0c\u5219\u670d\u52a1\u5668\u5e94\u5f53\u8fd4\u56de\u8fd9\u4e2a\u72b6\u6001\u7801\u3002304\u54cd\u5e94\u7981\u6b62\u5305\u542b\u6d88\u606f\u4f53\uff0c\u56e0\u6b64\u59cb\u7ec8\u4ee5\u6d88\u606f\u5934\u540e\u7684\u7b2c\u4e00\u4e2a\u7a7a\u884c\u7ed3\u5c3e\u3002<br \/>\n\u8be5\u54cd\u5e94\u5fc5\u987b\u5305\u542b\u4ee5\u4e0b\u7684\u5934\u4fe1\u606f\uff1a<br \/>\nDate\uff0c\u9664\u975e\u8fd9\u4e2a\u670d\u52a1\u5668\u6ca1\u6709\u65f6\u949f\u3002\u5047\u5982\u6ca1\u6709\u65f6\u949f\u7684\u670d\u52a1\u5668\u4e5f\u9075\u5b88\u8fd9\u4e9b\u89c4\u5219\uff0c\u90a3\u4e48\u4ee3\u7406\u670d\u52a1\u5668\u4ee5\u53ca\u5ba2\u6237\u7aef\u53ef\u4ee5\u81ea\u884c\u5c06Date\u5b57\u6bb5\u6dfb\u52a0\u5230\u63a5\u6536\u5230\u7684\u54cd\u5e94\u5934\u4e2d\u53bb\uff08\u6b63\u5982RFC 2068\u4e2d\u89c4\u5b9a\u7684\u4e00\u6837\uff09\uff0c\u7f13\u5b58\u673a\u5236\u5c06\u4f1a\u6b63\u5e38\u5de5\u4f5c\u3002<br \/>\nETag\u548c\uff0f\u6216Content-Location\uff0c\u5047\u5982\u540c\u6837\u7684\u8bf7\u6c42\u672c\u5e94\u8fd4\u56de200\u54cd\u5e94\u3002<br \/>\nExpires, Cache-Control\uff0c\u548c\uff0f\u6216Vary\uff0c\u5047\u5982\u5176\u503c\u53ef\u80fd\u4e0e\u4e4b\u524d\u76f8\u540c\u53d8\u91cf\u7684\u5176\u4ed6\u54cd\u5e94\u5bf9\u5e94\u7684\u503c\u4e0d\u540c\u7684\u8bdd\u3002<br \/>\n\u5047\u5982\u672c\u54cd\u5e94\u8bf7\u6c42\u4f7f\u7528\u4e86\u5f3a\u7f13\u5b58\u9a8c\u8bc1\uff0c\u90a3\u4e48\u672c\u6b21\u54cd\u5e94\u4e0d\u5e94\u8be5\u5305\u542b\u5176\u4ed6\u5b9e\u4f53\u5934\uff1b\u5426\u5219\uff08\u4f8b\u5982\uff0c\u67d0\u4e2a\u5e26\u6761\u4ef6\u7684GET\u8bf7\u6c42\u4f7f\u7528\u4e86\u5f31\u7f13\u5b58\u9a8c\u8bc1\uff09\uff0c\u672c\u6b21\u54cd\u5e94\u7981\u6b62\u5305\u542b\u5176\u4ed6\u5b9e\u4f53\u5934\uff1b\u8fd9\u907f\u514d\u4e86\u7f13\u5b58\u4e86\u7684\u5b9e\u4f53\u5185\u5bb9\u548c\u66f4\u65b0\u4e86\u7684\u5b9e\u4f53\u5934\u4fe1\u606f\u4e4b\u95f4\u7684\u4e0d\u4e00\u81f4\u3002<br \/>\n\u5047\u5982\u67d0\u4e2a304\u54cd\u5e94\u6307\u660e\u4e86\u5f53\u524d\u67d0\u4e2a\u5b9e\u4f53\u6ca1\u6709\u7f13\u5b58\uff0c\u90a3\u4e48\u7f13\u5b58\u7cfb\u7edf\u5fc5\u987b\u5ffd\u89c6\u8fd9\u4e2a\u54cd\u5e94\uff0c\u5e76\u4e14\u91cd\u590d\u53d1\u9001\u4e0d\u5305\u542b\u9650\u5236\u6761\u4ef6\u7684\u8bf7\u6c42\u3002<br \/>\n\u5047\u5982\u63a5\u6536\u5230\u4e00\u4e2a\u8981\u6c42\u66f4\u65b0\u67d0\u4e2a\u7f13\u5b58\u6761\u76ee\u7684304\u54cd\u5e94\uff0c\u90a3\u4e48\u7f13\u5b58\u7cfb\u7edf\u5fc5\u987b\u66f4\u65b0\u6574\u4e2a\u6761\u76ee\u4ee5\u53cd\u6620\u6240\u6709\u5728\u54cd\u5e94\u4e2d\u88ab\u66f4\u65b0\u7684\u5b57\u6bb5\u7684\u503c\u3002<\/p>\n<ul>\n<li>305 Use Proxy<\/li>\n<\/ul>\n<p>\u88ab\u8bf7\u6c42\u7684\u8d44\u6e90\u5fc5\u987b\u901a\u8fc7\u6307\u5b9a\u7684\u4ee3\u7406\u624d\u80fd\u88ab\u8bbf\u95ee\u3002Location\u57df\u4e2d\u5c06\u7ed9\u51fa\u6307\u5b9a\u7684\u4ee3\u7406\u6240\u5728\u7684URI\u4fe1\u606f\uff0c\u63a5\u6536\u8005\u9700\u8981\u91cd\u590d\u53d1\u9001\u4e00\u4e2a\u5355\u72ec\u7684\u8bf7\u6c42\uff0c\u901a\u8fc7\u8fd9\u4e2a\u4ee3\u7406\u624d\u80fd\u8bbf\u95ee\u76f8\u5e94\u8d44\u6e90\u3002\u53ea\u6709\u539f\u59cb\u670d\u52a1\u5668\u624d\u80fd\u521b\u5efa305\u54cd\u5e94\u3002<br \/>\n\u6ce8\u610f\uff1aRFC 2068\u4e2d\u6ca1\u6709\u660e\u786e305\u54cd\u5e94\u662f\u4e3a\u4e86\u91cd\u5b9a\u5411\u4e00\u4e2a\u5355\u72ec\u7684\u8bf7\u6c42\uff0c\u800c\u4e14\u53ea\u80fd\u88ab\u539f\u59cb\u670d\u52a1\u5668\u521b\u5efa\u3002\u5ffd\u89c6\u8fd9\u4e9b\u9650\u5236\u53ef\u80fd\u5bfc\u81f4\u4e25\u91cd\u7684\u5b89\u5168\u540e\u679c\u3002<\/p>\n<ul>\n<li>306 Switch Proxy<\/li>\n<\/ul>\n<p>\u5728\u6700\u65b0\u7248\u7684\u89c4\u8303\u4e2d\uff0c306\u72b6\u6001\u7801\u5df2\u7ecf\u4e0d\u518d\u88ab\u4f7f\u7528\u3002<\/p>\n<ul>\n<li>307 Temporary Redirect<\/li>\n<\/ul>\n<p>\u8bf7\u6c42\u7684\u8d44\u6e90\u73b0\u5728\u4e34\u65f6\u4ece\u4e0d\u540c\u7684URI\u54cd\u5e94\u8bf7\u6c42\u3002\u7531\u4e8e\u8fd9\u6837\u7684\u91cd\u5b9a\u5411\u662f\u4e34\u65f6\u7684\uff0c\u5ba2\u6237\u7aef\u5e94\u5f53\u7ee7\u7eed\u5411\u539f\u6709\u5730\u5740\u53d1\u9001\u4ee5\u540e\u7684\u8bf7\u6c42\u3002\u53ea\u6709\u5728Cache-Control\u6216Expires\u4e2d\u8fdb\u884c\u4e86\u6307\u5b9a\u7684\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e2a\u54cd\u5e94\u624d\u662f\u53ef\u7f13\u5b58\u7684\u3002<br \/>\n\u65b0\u7684\u4e34\u65f6\u6027\u7684URI\u5e94\u5f53\u5728\u54cd\u5e94\u7684Location\u57df\u4e2d\u8fd4\u56de\u3002\u9664\u975e\u8fd9\u662f\u4e00\u4e2aHEAD\u8bf7\u6c42\uff0c\u5426\u5219\u54cd\u5e94\u7684\u5b9e\u4f53\u4e2d\u5e94\u5f53\u5305\u542b\u6307\u5411\u65b0\u7684URI\u7684\u8d85\u94fe\u63a5\u53ca\u7b80\u77ed\u8bf4\u660e\u3002\u56e0\u4e3a\u90e8\u5206\u6d4f\u89c8\u5668\u4e0d\u80fd\u8bc6\u522b307\u54cd\u5e94\uff0c\u56e0\u6b64\u9700\u8981\u6dfb\u52a0\u4e0a\u8ff0\u5fc5\u8981\u4fe1\u606f\u4ee5\u4fbf\u7528\u6237\u80fd\u591f\u7406\u89e3\u5e76\u5411\u65b0\u7684URI\u53d1\u51fa\u8bbf\u95ee\u8bf7\u6c42\u3002<br \/>\n\u5982\u679c\u8fd9\u4e0d\u662f\u4e00\u4e2aGET\u6216\u8005HEAD\u8bf7\u6c42\uff0c\u90a3\u4e48\u6d4f\u89c8\u5668\u7981\u6b62\u81ea\u52a8\u8fdb\u884c\u91cd\u5b9a\u5411\uff0c\u9664\u975e\u5f97\u5230\u7528\u6237\u7684\u786e\u8ba4\uff0c\u56e0\u4e3a\u8bf7\u6c42\u7684\u6761\u4ef6\u53ef\u80fd\u56e0\u6b64\u53d1\u751f\u53d8\u5316\u3002<\/p>\n<h1>4xx\u8bf7\u6c42\u9519\u8bef<\/h1>\n<p>\u8fd9\u7c7b\u7684\u72b6\u6001\u7801\u4ee3\u8868\u4e86\u5ba2\u6237\u7aef\u770b\u8d77\u6765\u53ef\u80fd\u53d1\u751f\u4e86\u9519\u8bef\uff0c\u59a8\u788d\u4e86\u670d\u52a1\u5668\u7684\u5904\u7406\u3002\u9664\u975e\u54cd\u5e94\u7684\u662f\u4e00\u4e2aHEAD\u8bf7\u6c42\uff0c\u5426\u5219\u670d\u52a1\u5668\u5c31\u5e94\u8be5\u8fd4\u56de\u4e00\u4e2a\u89e3\u91ca\u5f53\u524d\u9519\u8bef\u72b6\u51b5\u7684\u5b9e\u4f53\uff0c\u4ee5\u53ca\u8fd9\u662f\u4e34\u65f6\u7684\u8fd8\u662f\u6c38\u4e45\u6027\u7684\u72b6\u51b5\u3002\u8fd9\u4e9b\u72b6\u6001\u7801\u9002\u7528\u4e8e\u4efb\u4f55\u8bf7\u6c42\u65b9\u6cd5\u3002\u6d4f\u89c8\u5668\u5e94\u5f53\u5411\u7528\u6237\u663e\u793a\u4efb\u4f55\u5305\u542b\u5728\u6b64\u7c7b\u9519\u8bef\u54cd\u5e94\u4e2d\u7684\u5b9e\u4f53\u5185\u5bb9\u3002<br \/>\n\u5982\u679c\u9519\u8bef\u53d1\u751f\u65f6\u5ba2\u6237\u7aef\u6b63\u5728\u4f20\u9001\u6570\u636e\uff0c\u90a3\u4e48\u4f7f\u7528TCP\u7684\u670d\u52a1\u5668\u5b9e\u73b0\u5e94\u5f53\u4ed4\u7ec6\u786e\u4fdd\u5728\u5173\u95ed\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u8fde\u63a5\u4e4b\u524d\uff0c\u5ba2\u6237\u7aef\u5df2\u7ecf\u6536\u5230\u4e86\u5305\u542b\u9519\u8bef\u4fe1\u606f\u7684\u6570\u636e\u5305\u3002\u5982\u679c\u5ba2\u6237\u7aef\u5728\u6536\u5230\u9519\u8bef\u4fe1\u606f\u540e\u7ee7\u7eed\u5411\u670d\u52a1\u5668\u53d1\u9001\u6570\u636e\uff0c\u670d\u52a1\u5668\u7684TCP\u6808\u5c06\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2a\u91cd\u7f6e\u6570\u636e\u5305\uff0c\u4ee5\u6e05\u9664\u8be5\u5ba2\u6237\u7aef\u6240\u6709\u8fd8\u672a\u8bc6\u522b\u7684\u8f93\u5165\u7f13\u51b2\uff0c\u4ee5\u514d\u8fd9\u4e9b\u6570\u636e\u88ab\u670d\u52a1\u5668\u4e0a\u7684\u5e94\u7528\u7a0b\u5e8f\u8bfb\u53d6\u5e76\u5e72\u6270\u540e\u8005\u3002<\/p>\n<ul>\n<li>400 Bad Request<\/li>\n<\/ul>\n<p>\u7531\u4e8e\u5305\u542b\u8bed\u6cd5\u9519\u8bef\uff0c\u5f53\u524d\u8bf7\u6c42\u65e0\u6cd5\u88ab\u670d\u52a1\u5668\u7406\u89e3\u3002\u9664\u975e\u8fdb\u884c\u4fee\u6539\uff0c\u5426\u5219\u5ba2\u6237\u7aef\u4e0d\u5e94\u8be5\u91cd\u590d\u63d0\u4ea4\u8fd9\u4e2a\u8bf7\u6c42\u3002<\/p>\n<ul>\n<li>401 Unauthorized<\/li>\n<\/ul>\n<p>\u5f53\u524d\u8bf7\u6c42\u9700\u8981\u7528\u6237\u9a8c\u8bc1\u3002\u8be5\u54cd\u5e94\u5fc5\u987b\u5305\u542b\u4e00\u4e2a\u9002\u7528\u4e8e\u88ab\u8bf7\u6c42\u8d44\u6e90\u7684WWW-Authenticate\u4fe1\u606f\u5934\u7528\u4ee5\u8be2\u95ee\u7528\u6237\u4fe1\u606f\u3002\u5ba2\u6237\u7aef\u53ef\u4ee5\u91cd\u590d\u63d0\u4ea4\u4e00\u4e2a\u5305\u542b\u6070\u5f53\u7684Authorization\u5934\u4fe1\u606f\u7684\u8bf7\u6c42\u3002\u5982\u679c\u5f53\u524d\u8bf7\u6c42\u5df2\u7ecf\u5305\u542b\u4e86Authorization\u8bc1\u4e66\uff0c\u90a3\u4e48401\u54cd\u5e94\u4ee3\u8868\u7740\u670d\u52a1\u5668\u9a8c\u8bc1\u5df2\u7ecf\u62d2\u7edd\u4e86\u90a3\u4e9b\u8bc1\u4e66\u3002\u5982\u679c401\u54cd\u5e94\u5305\u542b\u4e86\u4e0e\u524d\u4e00\u4e2a\u54cd\u5e94\u76f8\u540c\u7684\u8eab\u4efd\u9a8c\u8bc1\u8be2\u95ee\uff0c\u4e14\u6d4f\u89c8\u5668\u5df2\u7ecf\u81f3\u5c11\u5c1d\u8bd5\u4e86\u4e00\u6b21\u9a8c\u8bc1\uff0c\u90a3\u4e48\u6d4f\u89c8\u5668\u5e94\u5f53\u5411\u7528\u6237\u5c55\u793a\u54cd\u5e94\u4e2d\u5305\u542b\u7684\u5b9e\u4f53\u4fe1\u606f\uff0c\u56e0\u4e3a\u8fd9\u4e2a\u5b9e\u4f53\u4fe1\u606f\u4e2d\u53ef\u80fd\u5305\u542b\u4e86\u76f8\u5173\u8bca\u65ad\u4fe1\u606f\u3002\u53c2\u89c1RFC 2617\u3002<\/p>\n<ul>\n<li>402 Payment Required<\/li>\n<\/ul>\n<p>\u8be5\u72b6\u6001\u7801\u662f\u4e3a\u4e86\u5c06\u6765\u53ef\u80fd\u7684\u9700\u6c42\u800c\u9884\u7559\u7684\u3002<\/p>\n<ul>\n<li>403 Forbidden<\/li>\n<\/ul>\n<p>\u670d\u52a1\u5668\u5df2\u7ecf\u7406\u89e3\u8bf7\u6c42\uff0c\u4f46\u662f\u62d2\u7edd\u6267\u884c\u5b83\u3002\u4e0e401\u54cd\u5e94\u4e0d\u540c\u7684\u662f\uff0c\u8eab\u4efd\u9a8c\u8bc1\u5e76\u4e0d\u80fd\u63d0\u4f9b\u4efb\u4f55\u5e2e\u52a9\uff0c\u800c\u4e14\u8fd9\u4e2a\u8bf7\u6c42\u4e5f\u4e0d\u5e94\u8be5\u88ab\u91cd\u590d\u63d0\u4ea4\u3002\u5982\u679c\u8fd9\u4e0d\u662f\u4e00\u4e2aHEAD\u8bf7\u6c42\uff0c\u800c\u4e14\u670d\u52a1\u5668\u5e0c\u671b\u80fd\u591f\u8bb2\u6e05\u695a\u4e3a\u4f55\u8bf7\u6c42\u4e0d\u80fd\u88ab\u6267\u884c\uff0c\u90a3\u4e48\u5c31\u5e94\u8be5\u5728\u5b9e\u4f53\u5185\u63cf\u8ff0\u62d2\u7edd\u7684\u539f\u56e0\u3002\u5f53\u7136\u670d\u52a1\u5668\u4e5f\u53ef\u4ee5\u8fd4\u56de\u4e00\u4e2a404\u54cd\u5e94\uff0c\u5047\u5982\u5b83\u4e0d\u5e0c\u671b\u8ba9\u5ba2\u6237\u7aef\u83b7\u5f97\u4efb\u4f55\u4fe1\u606f\u3002<\/p>\n<ul>\n<li>404 Not Found<\/li>\n<\/ul>\n<p>\u8bf7\u6c42\u5931\u8d25\uff0c\u8bf7\u6c42\u6240\u5e0c\u671b\u5f97\u5230\u7684\u8d44\u6e90\u672a\u88ab\u5728\u670d\u52a1\u5668\u4e0a\u53d1\u73b0\u3002\u6ca1\u6709\u4fe1\u606f\u80fd\u591f\u544a\u8bc9\u7528\u6237\u8fd9\u4e2a\u72b6\u51b5\u5230\u5e95\u662f\u6682\u65f6\u7684\u8fd8\u662f\u6c38\u4e45\u7684\u3002\u5047\u5982\u670d\u52a1\u5668\u77e5\u9053\u60c5\u51b5\u7684\u8bdd\uff0c\u5e94\u5f53\u4f7f\u7528410\u72b6\u6001\u7801\u6765\u544a\u77e5\u65e7\u8d44\u6e90\u56e0\u4e3a\u67d0\u4e9b\u5185\u90e8\u7684\u914d\u7f6e\u673a\u5236\u95ee\u9898\uff0c\u5df2\u7ecf\u6c38\u4e45\u7684\u4e0d\u53ef\u7528\uff0c\u800c\u4e14\u6ca1\u6709\u4efb\u4f55\u53ef\u4ee5\u8df3\u8f6c\u7684\u5730\u5740\u3002404\u8fd9\u4e2a\u72b6\u6001\u7801\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5f53\u670d\u52a1\u5668\u4e0d\u60f3\u63ed\u793a\u5230\u5e95\u4e3a\u4f55\u8bf7\u6c42\u88ab\u62d2\u7edd\u6216\u8005\u6ca1\u6709\u5176\u4ed6\u9002\u5408\u7684\u54cd\u5e94\u53ef\u7528\u7684\u60c5\u51b5\u4e0b\u3002<\/p>\n<ul>\n<li>405 Method Not Allowed<\/li>\n<\/ul>\n<p>\u8bf7\u6c42\u884c\u4e2d\u6307\u5b9a\u7684\u8bf7\u6c42\u65b9\u6cd5\u4e0d\u80fd\u88ab\u7528\u4e8e\u8bf7\u6c42\u76f8\u5e94\u7684\u8d44\u6e90\u3002\u8be5\u54cd\u5e94\u5fc5\u987b\u8fd4\u56de\u4e00\u4e2aAllow\u5934\u4fe1\u606f\u7528\u4ee5\u8868\u793a\u51fa\u5f53\u524d\u8d44\u6e90\u80fd\u591f\u63a5\u53d7\u7684\u8bf7\u6c42\u65b9\u6cd5\u7684\u5217\u8868\u3002<br \/>\n\u9274\u4e8ePUT\uff0cDELETE\u65b9\u6cd5\u4f1a\u5bf9\u670d\u52a1\u5668\u4e0a\u7684\u8d44\u6e90\u8fdb\u884c\u5199\u64cd\u4f5c\uff0c\u56e0\u800c\u7edd\u5927\u90e8\u5206\u7684\u7f51\u9875\u670d\u52a1\u5668\u90fd\u4e0d\u652f\u6301\u6216\u8005\u5728\u9ed8\u8ba4\u914d\u7f6e\u4e0b\u4e0d\u5141\u8bb8\u4e0a\u8ff0\u8bf7\u6c42\u65b9\u6cd5\uff0c\u5bf9\u4e8e\u6b64\u7c7b\u8bf7\u6c42\u5747\u4f1a\u8fd4\u56de405\u9519\u8bef\u3002<\/p>\n<ul>\n<li>406 Not Acceptable<\/li>\n<\/ul>\n<p>\u8bf7\u6c42\u7684\u8d44\u6e90\u7684\u5185\u5bb9\u7279\u6027\u65e0\u6cd5\u6ee1\u8db3\u8bf7\u6c42\u5934\u4e2d\u7684\u6761\u4ef6\uff0c\u56e0\u800c\u65e0\u6cd5\u751f\u6210\u54cd\u5e94\u5b9e\u4f53\u3002<br \/>\n\u9664\u975e\u8fd9\u662f\u4e00\u4e2aHEAD\u8bf7\u6c42\uff0c\u5426\u5219\u8be5\u54cd\u5e94\u5c31\u5e94\u5f53\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u53ef\u4ee5\u8ba9\u7528\u6237\u6216\u8005\u6d4f\u89c8\u5668\u4ece\u4e2d\u9009\u62e9\u6700\u5408\u9002\u7684\u5b9e\u4f53\u7279\u6027\u4ee5\u53ca\u5730\u5740\u5217\u8868\u7684\u5b9e\u4f53\u3002\u5b9e\u4f53\u7684\u683c\u5f0f\u7531Content-Type\u5934\u4e2d\u5b9a\u4e49\u7684\u5a92\u4f53\u7c7b\u578b\u51b3\u5b9a\u3002\u6d4f\u89c8\u5668\u53ef\u4ee5\u6839\u636e\u683c\u5f0f\u53ca\u81ea\u8eab\u80fd\u529b\u81ea\u884c\u4f5c\u51fa\u6700\u4f73\u9009\u62e9\u3002\u4f46\u662f\uff0c\u89c4\u8303\u4e2d\u5e76\u6ca1\u6709\u5b9a\u4e49\u4efb\u4f55\u4f5c\u51fa\u6b64\u7c7b\u81ea\u52a8\u9009\u62e9\u7684\u6807\u51c6\u3002<\/p>\n<ul>\n<li>407 Proxy Authentication Required<\/li>\n<\/ul>\n<p>\u4e0e401\u54cd\u5e94\u7c7b\u4f3c\uff0c\u53ea\u4e0d\u8fc7\u5ba2\u6237\u7aef\u5fc5\u987b\u5728\u4ee3\u7406\u670d\u52a1\u5668\u4e0a\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002\u4ee3\u7406\u670d\u52a1\u5668\u5fc5\u987b\u8fd4\u56de\u4e00\u4e2aProxy-Authenticate\u7528\u4ee5\u8fdb\u884c\u8eab\u4efd\u8be2\u95ee\u3002\u5ba2\u6237\u7aef\u53ef\u4ee5\u8fd4\u56de\u4e00\u4e2aProxy-Authorization\u4fe1\u606f\u5934\u7528\u4ee5\u9a8c\u8bc1\u3002\u53c2\u89c1RFC 2617\u3002<\/p>\n<ul>\n<li>408 Request Timeout<\/li>\n<\/ul>\n<p>\u8bf7\u6c42\u8d85\u65f6\u3002\u5ba2\u6237\u7aef\u6ca1\u6709\u5728\u670d\u52a1\u5668\u9884\u5907\u7b49\u5f85\u7684\u65f6\u95f4\u5185\u5b8c\u6210\u4e00\u4e2a\u8bf7\u6c42\u7684\u53d1\u9001\u3002\u5ba2\u6237\u7aef\u53ef\u4ee5\u968f\u65f6\u518d\u6b21\u63d0\u4ea4\u8fd9\u4e00\u8bf7\u6c42\u800c\u65e0\u9700\u8fdb\u884c\u4efb\u4f55\u66f4\u6539\u3002<\/p>\n<ul>\n<li>409 Conflict<\/li>\n<\/ul>\n<p>\u7531\u4e8e\u548c\u88ab\u8bf7\u6c42\u7684\u8d44\u6e90\u7684\u5f53\u524d\u72b6\u6001\u4e4b\u95f4\u5b58\u5728\u51b2\u7a81\uff0c\u8bf7\u6c42\u65e0\u6cd5\u5b8c\u6210\u3002\u8fd9\u4e2a\u4ee3\u7801\u53ea\u5141\u8bb8\u7528\u5728\u8fd9\u6837\u7684\u60c5\u51b5\u4e0b\u624d\u80fd\u88ab\u4f7f\u7528\uff1a\u7528\u6237\u88ab\u8ba4\u4e3a\u80fd\u591f\u89e3\u51b3\u51b2\u7a81\uff0c\u5e76\u4e14\u4f1a\u91cd\u65b0\u63d0\u4ea4\u65b0\u7684\u8bf7\u6c42\u3002\u8be5\u54cd\u5e94\u5e94\u5f53\u5305\u542b\u8db3\u591f\u7684\u4fe1\u606f\u4ee5\u4fbf\u7528\u6237\u53d1\u73b0\u51b2\u7a81\u7684\u6e90\u5934\u3002<br \/>\n\u51b2\u7a81\u901a\u5e38\u53d1\u751f\u4e8e\u5bf9PUT\u8bf7\u6c42\u7684\u5904\u7406\u4e2d\u3002\u4f8b\u5982\uff0c\u5728\u91c7\u7528\u7248\u672c\u68c0\u67e5\u7684\u73af\u5883\u4e0b\uff0c\u67d0\u6b21PUT\u63d0\u4ea4\u7684\u5bf9\u7279\u5b9a\u8d44\u6e90\u7684\u4fee\u6539\u8bf7\u6c42\u6240\u9644\u5e26\u7684\u7248\u672c\u4fe1\u606f\u4e0e\u4e4b\u524d\u7684\u67d0\u4e2a\uff08\u7b2c\u4e09\u65b9\uff09\u8bf7\u6c42\u5411\u51b2\u7a81\uff0c\u90a3\u4e48\u6b64\u65f6\u670d\u52a1\u5668\u5c31\u5e94\u8be5\u8fd4\u56de\u4e00\u4e2a409\u9519\u8bef\uff0c\u544a\u77e5\u7528\u6237\u8bf7\u6c42\u65e0\u6cd5\u5b8c\u6210\u3002\u6b64\u65f6\uff0c\u54cd\u5e94\u5b9e\u4f53\u4e2d\u5f88\u53ef\u80fd\u4f1a\u5305\u542b\u4e24\u4e2a\u51b2\u7a81\u7248\u672c\u4e4b\u95f4\u7684\u5dee\u5f02\u6bd4\u8f83\uff0c\u4ee5\u4fbf\u7528\u6237\u91cd\u65b0\u63d0\u4ea4\u5f52\u5e76\u4ee5\u540e\u7684\u65b0\u7248\u672c\u3002<\/p>\n<ul>\n<li>410 Gone<\/li>\n<\/ul>\n<p>\u88ab\u8bf7\u6c42\u7684\u8d44\u6e90\u5728\u670d\u52a1\u5668\u4e0a\u5df2\u7ecf\u4e0d\u518d\u53ef\u7528\uff0c\u800c\u4e14\u6ca1\u6709\u4efb\u4f55\u5df2\u77e5\u7684\u8f6c\u53d1\u5730\u5740\u3002\u8fd9\u6837\u7684\u72b6\u51b5\u5e94\u5f53\u88ab\u8ba4\u4e3a\u662f\u6c38\u4e45\u6027\u7684\u3002\u5982\u679c\u53ef\u80fd\uff0c\u62e5\u6709\u94fe\u63a5\u7f16\u8f91\u529f\u80fd\u7684\u5ba2\u6237\u7aef\u5e94\u5f53\u5728\u83b7\u5f97\u7528\u6237\u8bb8\u53ef\u540e\u5220\u9664\u6240\u6709\u6307\u5411\u8fd9\u4e2a\u5730\u5740\u7684\u5f15\u7528\u3002\u5982\u679c\u670d\u52a1\u5668\u4e0d\u77e5\u9053\u6216\u8005\u65e0\u6cd5\u786e\u5b9a\u8fd9\u4e2a\u72b6\u51b5\u662f\u5426\u662f\u6c38\u4e45\u7684\uff0c\u90a3\u4e48\u5c31\u5e94\u8be5\u4f7f\u7528404\u72b6\u6001\u7801\u3002\u9664\u975e\u989d\u5916\u8bf4\u660e\uff0c\u5426\u5219\u8fd9\u4e2a\u54cd\u5e94\u662f\u53ef\u7f13\u5b58\u7684\u3002<br \/>\n410\u54cd\u5e94\u7684\u76ee\u7684\u4e3b\u8981\u662f\u5e2e\u52a9\u7f51\u7ad9\u7ba1\u7406\u5458\u7ef4\u62a4\u7f51\u7ad9\uff0c\u901a\u77e5\u7528\u6237\u8be5\u8d44\u6e90\u5df2\u7ecf\u4e0d\u518d\u53ef\u7528\uff0c\u5e76\u4e14\u670d\u52a1\u5668\u62e5\u6709\u8005\u5e0c\u671b\u6240\u6709\u6307\u5411\u8fd9\u4e2a\u8d44\u6e90\u7684\u8fdc\u7aef\u8fde\u63a5\u4e5f\u88ab\u5220\u9664\u3002\u8fd9\u7c7b\u4e8b\u4ef6\u5728\u9650\u65f6\u3001\u589e\u503c\u670d\u52a1\u4e2d\u5f88\u666e\u904d\u3002\u540c\u6837\uff0c410\u54cd\u5e94\u4e5f\u88ab\u7528\u4e8e\u901a\u77e5\u5ba2\u6237\u7aef\u5728\u5f53\u524d\u670d\u52a1\u5668\u7ad9\u70b9\u4e0a\uff0c\u539f\u672c\u5c5e\u4e8e\u67d0\u4e2a\u4e2a\u4eba\u7684\u8d44\u6e90\u5df2\u7ecf\u4e0d\u518d\u53ef\u7528\u3002\u5f53\u7136\uff0c\u662f\u5426\u9700\u8981\u628a\u6240\u6709\u6c38\u4e45\u4e0d\u53ef\u7528\u7684\u8d44\u6e90\u6807\u8bb0\u4e3a&#8217;410 Gone&#8217;\uff0c\u4ee5\u53ca\u662f\u5426\u9700\u8981\u4fdd\u6301\u6b64\u6807\u8bb0\u591a\u957f\u65f6\u95f4\uff0c\u5b8c\u5168\u53d6\u51b3\u4e8e\u670d\u52a1\u5668\u62e5\u6709\u8005\u3002<\/p>\n<ul>\n<li>411 Length Required<\/li>\n<\/ul>\n<p>\u670d\u52a1\u5668\u62d2\u7edd\u5728\u6ca1\u6709\u5b9a\u4e49Content-Length\u5934\u7684\u60c5\u51b5\u4e0b\u63a5\u53d7\u8bf7\u6c42\u3002\u5728\u6dfb\u52a0\u4e86\u8868\u660e\u8bf7\u6c42\u6d88\u606f\u4f53\u957f\u5ea6\u7684\u6709\u6548Content-Length\u5934\u4e4b\u540e\uff0c\u5ba2\u6237\u7aef\u53ef\u4ee5\u518d\u6b21\u63d0\u4ea4\u8be5\u8bf7\u6c42\u3002<\/p>\n<ul>\n<li>412 Precondition Failed<\/li>\n<\/ul>\n<p>\u670d\u52a1\u5668\u5728\u9a8c\u8bc1\u5728\u8bf7\u6c42\u7684\u5934\u5b57\u6bb5\u4e2d\u7ed9\u51fa\u5148\u51b3\u6761\u4ef6\u65f6\uff0c\u6ca1\u80fd\u6ee1\u8db3\u5176\u4e2d\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u3002\u8fd9\u4e2a\u72b6\u6001\u7801\u5141\u8bb8\u5ba2\u6237\u7aef\u5728\u83b7\u53d6\u8d44\u6e90\u65f6\u5728\u8bf7\u6c42\u7684\u5143\u4fe1\u606f\uff08\u8bf7\u6c42\u5934\u5b57\u6bb5\u6570\u636e\uff09\u4e2d\u8bbe\u7f6e\u5148\u51b3\u6761\u4ef6\uff0c\u4ee5\u6b64\u907f\u514d\u8be5\u8bf7\u6c42\u65b9\u6cd5\u88ab\u5e94\u7528\u5230\u5176\u5e0c\u671b\u7684\u5185\u5bb9\u4ee5\u5916\u7684\u8d44\u6e90\u4e0a\u3002<\/p>\n<ul>\n<li>413 Request Entity Too Large<\/li>\n<\/ul>\n<p>\u670d\u52a1\u5668\u62d2\u7edd\u5904\u7406\u5f53\u524d\u8bf7\u6c42\uff0c\u56e0\u4e3a\u8be5\u8bf7\u6c42\u63d0\u4ea4\u7684\u5b9e\u4f53\u6570\u636e\u5927\u5c0f\u8d85\u8fc7\u4e86\u670d\u52a1\u5668\u613f\u610f\u6216\u8005\u80fd\u591f\u5904\u7406\u7684\u8303\u56f4\u3002\u6b64\u79cd\u60c5\u51b5\u4e0b\uff0c\u670d\u52a1\u5668\u53ef\u4ee5\u5173\u95ed\u8fde\u63a5\u4ee5\u514d\u5ba2\u6237\u7aef\u7ee7\u7eed\u53d1\u9001\u6b64\u8bf7\u6c42\u3002<br \/>\n\u5982\u679c\u8fd9\u4e2a\u72b6\u51b5\u662f\u4e34\u65f6\u7684\uff0c\u670d\u52a1\u5668\u5e94\u5f53\u8fd4\u56de\u4e00\u4e2aRetry-After\u7684\u54cd\u5e94\u5934\uff0c\u4ee5\u544a\u77e5\u5ba2\u6237\u7aef\u53ef\u4ee5\u5728\u591a\u5c11\u65f6\u95f4\u4ee5\u540e\u91cd\u65b0\u5c1d\u8bd5\u3002<\/p>\n<ul>\n<li>414 Request-URI Too Long<\/li>\n<\/ul>\n<p>\u8bf7\u6c42\u7684URI\u957f\u5ea6\u8d85\u8fc7\u4e86\u670d\u52a1\u5668\u80fd\u591f\u89e3\u91ca\u7684\u957f\u5ea6\uff0c\u56e0\u6b64\u670d\u52a1\u5668\u62d2\u7edd\u5bf9\u8be5\u8bf7\u6c42\u63d0\u4f9b\u670d\u52a1\u3002\u8fd9\u6bd4\u8f83\u5c11\u89c1\uff0c\u901a\u5e38\u7684\u60c5\u51b5\u5305\u62ec\uff1a<br \/>\n\u672c\u5e94\u4f7f\u7528POST\u65b9\u6cd5\u7684\u8868\u5355\u63d0\u4ea4\u53d8\u6210\u4e86GET\u65b9\u6cd5\uff0c\u5bfc\u81f4\u67e5\u8be2\u5b57\u7b26\u4e32\uff08Query String\uff09\u8fc7\u957f\u3002<br \/>\n\u91cd\u5b9a\u5411URI\u201c\u9ed1\u6d1e\u201d\uff0c\u4f8b\u5982\u6bcf\u6b21\u91cd\u5b9a\u5411\u628a\u65e7\u7684URI\u4f5c\u4e3a\u65b0\u7684URI\u7684\u4e00\u90e8\u5206\uff0c\u5bfc\u81f4\u5728\u82e5\u5e72\u6b21\u91cd\u5b9a\u5411\u540eURI\u8d85\u957f\u3002<br \/>\n\u5ba2\u6237\u7aef\u6b63\u5728\u5c1d\u8bd5\u5229\u7528\u67d0\u4e9b\u670d\u52a1\u5668\u4e2d\u5b58\u5728\u7684\u5b89\u5168\u6f0f\u6d1e\u653b\u51fb\u670d\u52a1\u5668\u3002\u8fd9\u7c7b\u670d\u52a1\u5668\u4f7f\u7528\u56fa\u5b9a\u957f\u5ea6\u7684\u7f13\u51b2\u8bfb\u53d6\u6216\u64cd\u4f5c\u8bf7\u6c42\u7684URI\uff0c\u5f53GET\u540e\u7684\u53c2\u6570\u8d85\u8fc7\u67d0\u4e2a\u6570\u503c\u540e\uff0c\u53ef\u80fd\u4f1a\u4ea7\u751f\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u5bfc\u81f4\u4efb\u610f\u4ee3\u7801\u88ab\u6267\u884c[1]\u3002\u6ca1\u6709\u6b64\u7c7b\u6f0f\u6d1e\u7684\u670d\u52a1\u5668\uff0c\u5e94\u5f53\u8fd4\u56de414\u72b6\u6001\u7801\u3002<\/p>\n<ul>\n<li>415 Unsupported Media Type<\/li>\n<\/ul>\n<p>\u5bf9\u4e8e\u5f53\u524d\u8bf7\u6c42\u7684\u65b9\u6cd5\u548c\u6240\u8bf7\u6c42\u7684\u8d44\u6e90\uff0c\u8bf7\u6c42\u4e2d\u63d0\u4ea4\u7684\u5b9e\u4f53\u5e76\u4e0d\u662f\u670d\u52a1\u5668\u4e2d\u6240\u652f\u6301\u7684\u683c\u5f0f\uff0c\u56e0\u6b64\u8bf7\u6c42\u88ab\u62d2\u7edd\u3002<\/p>\n<ul>\n<li>416 Requested Range Not Satisfiable<\/li>\n<\/ul>\n<p>\u5982\u679c\u8bf7\u6c42\u4e2d\u5305\u542b\u4e86Range\u8bf7\u6c42\u5934\uff0c\u5e76\u4e14Range\u4e2d\u6307\u5b9a\u7684\u4efb\u4f55\u6570\u636e\u8303\u56f4\u90fd\u4e0e\u5f53\u524d\u8d44\u6e90\u7684\u53ef\u7528\u8303\u56f4\u4e0d\u91cd\u5408\uff0c\u540c\u65f6\u8bf7\u6c42\u4e2d\u53c8\u6ca1\u6709\u5b9a\u4e49If-Range\u8bf7\u6c42\u5934\uff0c\u90a3\u4e48\u670d\u52a1\u5668\u5c31\u5e94\u5f53\u8fd4\u56de416\u72b6\u6001\u7801\u3002<br \/>\n\u5047\u5982Range\u4f7f\u7528\u7684\u662f\u5b57\u8282\u8303\u56f4\uff0c\u90a3\u4e48\u8fd9\u79cd\u60c5\u51b5\u5c31\u662f\u6307\u8bf7\u6c42\u6307\u5b9a\u7684\u6240\u6709\u6570\u636e\u8303\u56f4\u7684\u9996\u5b57\u8282\u4f4d\u7f6e\u90fd\u8d85\u8fc7\u4e86\u5f53\u524d\u8d44\u6e90\u7684\u957f\u5ea6\u3002\u670d\u52a1\u5668\u4e5f\u5e94\u5f53\u5728\u8fd4\u56de416\u72b6\u6001\u7801\u7684\u540c\u65f6\uff0c\u5305\u542b\u4e00\u4e2aContent-Range\u5b9e\u4f53\u5934\uff0c\u7528\u4ee5\u6307\u660e\u5f53\u524d\u8d44\u6e90\u7684\u957f\u5ea6\u3002\u8fd9\u4e2a\u54cd\u5e94\u4e5f\u88ab\u7981\u6b62\u4f7f\u7528multipart\/byteranges\u4f5c\u4e3a\u5176Content-Type\u3002<\/p>\n<ul>\n<li>417 Expectation Failed<\/li>\n<\/ul>\n<p>\u5728\u8bf7\u6c42\u5934Expect\u4e2d\u6307\u5b9a\u7684\u9884\u671f\u5185\u5bb9\u65e0\u6cd5\u88ab\u670d\u52a1\u5668\u6ee1\u8db3\uff0c\u6216\u8005\u8fd9\u4e2a\u670d\u52a1\u5668\u662f\u4e00\u4e2a\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u5b83\u6709\u660e\u663e\u7684\u8bc1\u636e\u8bc1\u660e\u5728\u5f53\u524d\u8def\u7531\u7684\u4e0b\u4e00\u4e2a\u8282\u70b9\u4e0a\uff0cExpect\u7684\u5185\u5bb9\u65e0\u6cd5\u88ab\u6ee1\u8db3\u3002<\/p>\n<ul>\n<li>418 I&#8217;m a teapot<\/li>\n<\/ul>\n<p>\u672c\u64cd\u4f5c\u7801\u662f\u57281998\u5e74\u4f5c\u4e3aIETF\u7684\u4f20\u7edf\u611a\u4eba\u8282\u7b11\u8bdd, \u5728RFC 2324 \u8d85\u6587\u672c\u5496\u5561\u58f6\u63a7\u5236\u534f\u8bae\u4e2d\u5b9a\u4e49\u7684\uff0c\u5e76\u4e0d\u9700\u8981\u5728\u771f\u5b9e\u7684HTTP\u670d\u52a1\u5668\u4e2d\u5b9a\u4e49\u3002<\/p>\n<ul>\n<li>421 There are too many connections from your internet address<\/li>\n<\/ul>\n<p>\u4ece\u5f53\u524d\u5ba2\u6237\u7aef\u6240\u5728\u7684IP\u5730\u5740\u5230\u670d\u52a1\u5668\u7684\u8fde\u63a5\u6570\u8d85\u8fc7\u4e86\u670d\u52a1\u5668\u8bb8\u53ef\u7684\u6700\u5927\u8303\u56f4\u3002\u901a\u5e38\uff0c\u8fd9\u91cc\u7684IP\u5730\u5740\u6307\u7684\u662f\u4ece\u670d\u52a1\u5668\u4e0a\u770b\u5230\u7684\u5ba2\u6237\u7aef\u5730\u5740\uff08\u6bd4\u5982\u7528\u6237\u7684\u7f51\u5173\u6216\u8005\u4ee3\u7406\u670d\u52a1\u5668\u5730\u5740\uff09\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u8fde\u63a5\u6570\u7684\u8ba1\u7b97\u53ef\u80fd\u6d89\u53ca\u5230\u4e0d\u6b62\u4e00\u4e2a\u7ec8\u7aef\u7528\u6237\u3002<\/p>\n<ul>\n<li>422 Unprocessable Entity<\/li>\n<\/ul>\n<p>\u8bf7\u6c42\u683c\u5f0f\u6b63\u786e\uff0c\u4f46\u662f\u7531\u4e8e\u542b\u6709\u8bed\u4e49\u9519\u8bef\uff0c\u65e0\u6cd5\u54cd\u5e94\u3002\uff08RFC 4918 WebDAV\uff09<\/p>\n<ul>\n<li>423 Locked<\/li>\n<\/ul>\n<p>\u5f53\u524d\u8d44\u6e90\u88ab\u9501\u5b9a\u3002\uff08RFC 4918 WebDAV\uff09<\/p>\n<ul>\n<li>424 Failed Dependency<\/li>\n<\/ul>\n<p>\u7531\u4e8e\u4e4b\u524d\u7684\u67d0\u4e2a\u8bf7\u6c42\u53d1\u751f\u7684\u9519\u8bef\uff0c\u5bfc\u81f4\u5f53\u524d\u8bf7\u6c42\u5931\u8d25\uff0c\u4f8b\u5982PROPPATCH\u3002\uff08RFC 4918 WebDAV\uff09<\/p>\n<ul>\n<li>425 Unordered Collection<\/li>\n<\/ul>\n<p>\u5728WebDav Advanced Collections\u8349\u6848\u4e2d\u5b9a\u4e49\uff0c\u4f46\u662f\u672a\u51fa\u73b0\u5728\u300aWebDAV\u987a\u5e8f\u96c6\u534f\u8bae\u300b\uff08RFC 3658\uff09\u4e2d\u3002<\/p>\n<ul>\n<li>426 Upgrade Required<\/li>\n<\/ul>\n<p>\u5ba2\u6237\u7aef\u5e94\u5f53\u5207\u6362\u5230TLS\/1.0\u3002\uff08RFC 2817\uff09<\/p>\n<ul>\n<li>449 Retry With<\/li>\n<\/ul>\n<p>\u7531\u5fae\u8f6f\u6269\u5c55\uff0c\u4ee3\u8868\u8bf7\u6c42\u5e94\u5f53\u5728\u6267\u884c\u5b8c\u9002\u5f53\u7684\u64cd\u4f5c\u540e\u8fdb\u884c\u91cd\u8bd5\u3002<\/p>\n<h1>5xx\u670d\u52a1\u5668\u9519\u8bef<\/h1>\n<p>\u8fd9\u7c7b\u72b6\u6001\u7801\u4ee3\u8868\u4e86\u670d\u52a1\u5668\u5728\u5904\u7406\u8bf7\u6c42\u7684\u8fc7\u7a0b\u4e2d\u6709\u9519\u8bef\u6216\u8005\u5f02\u5e38\u72b6\u6001\u53d1\u751f\uff0c\u4e5f\u6709\u53ef\u80fd\u662f\u670d\u52a1\u5668\u610f\u8bc6\u5230\u4ee5\u5f53\u524d\u7684\u8f6f\u786c\u4ef6\u8d44\u6e90\u65e0\u6cd5\u5b8c\u6210\u5bf9\u8bf7\u6c42\u7684\u5904\u7406\u3002\u9664\u975e\u8fd9\u662f\u4e00\u4e2aHEAD\u8bf7\u6c42\uff0c\u5426\u5219\u670d\u52a1\u5668\u5e94\u5f53\u5305\u542b\u4e00\u4e2a\u89e3\u91ca\u5f53\u524d\u9519\u8bef\u72b6\u6001\u4ee5\u53ca\u8fd9\u4e2a\u72b6\u51b5\u662f\u4e34\u65f6\u7684\u8fd8\u662f\u6c38\u4e45\u7684\u89e3\u91ca\u4fe1\u606f\u5b9e\u4f53\u3002\u6d4f\u89c8\u5668\u5e94\u5f53\u5411\u7528\u6237\u5c55\u793a\u4efb\u4f55\u5728\u5f53\u524d\u54cd\u5e94\u4e2d\u88ab\u5305\u542b\u7684\u5b9e\u4f53\u3002<br \/>\n\u8fd9\u4e9b\u72b6\u6001\u7801\u9002\u7528\u4e8e\u4efb\u4f55\u54cd\u5e94\u65b9\u6cd5\u3002<\/p>\n<ul>\n<li>500 Internal Server Error<\/li>\n<\/ul>\n<p>\u670d\u52a1\u5668\u9047\u5230\u4e86\u4e00\u4e2a\u672a\u66fe\u9884\u6599\u7684\u72b6\u51b5\uff0c\u5bfc\u81f4\u4e86\u5b83\u65e0\u6cd5\u5b8c\u6210\u5bf9\u8bf7\u6c42\u7684\u5904\u7406\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u8fd9\u4e2a\u95ee\u9898\u90fd\u4f1a\u5728\u670d\u52a1\u5668\u7684\u7a0b\u5e8f\u7801\u51fa\u9519\u65f6\u51fa\u73b0\u3002<\/p>\n<ul>\n<li>501 Not Implemented<\/li>\n<\/ul>\n<p>\u670d\u52a1\u5668\u4e0d\u652f\u6301\u5f53\u524d\u8bf7\u6c42\u6240\u9700\u8981\u7684\u67d0\u4e2a\u529f\u80fd\u3002\u5f53\u670d\u52a1\u5668\u65e0\u6cd5\u8bc6\u522b\u8bf7\u6c42\u7684\u65b9\u6cd5\uff0c\u5e76\u4e14\u65e0\u6cd5\u652f\u6301\u5176\u5bf9\u4efb\u4f55\u8d44\u6e90\u7684\u8bf7\u6c42\u3002<\/p>\n<ul>\n<li>502 Bad Gateway<\/li>\n<\/ul>\n<p>\u4f5c\u4e3a\u7f51\u5173\u6216\u8005\u4ee3\u7406\u5de5\u4f5c\u7684\u670d\u52a1\u5668\u5c1d\u8bd5\u6267\u884c\u8bf7\u6c42\u65f6\uff0c\u4ece\u4e0a\u6e38\u670d\u52a1\u5668\u63a5\u6536\u5230\u65e0\u6548\u7684\u54cd\u5e94\u3002<\/p>\n<ul>\n<li>503 Service Unavailable<\/li>\n<\/ul>\n<p>\u7531\u4e8e\u4e34\u65f6\u7684\u670d\u52a1\u5668\u7ef4\u62a4\u6216\u8005\u8fc7\u8f7d\uff0c\u670d\u52a1\u5668\u5f53\u524d\u65e0\u6cd5\u5904\u7406\u8bf7\u6c42\u3002\u8fd9\u4e2a\u72b6\u51b5\u662f\u4e34\u65f6\u7684\uff0c\u5e76\u4e14\u5c06\u5728\u4e00\u6bb5\u65f6\u95f4\u4ee5\u540e\u6062\u590d\u3002\u5982\u679c\u80fd\u591f\u9884\u8ba1\u5ef6\u8fdf\u65f6\u95f4\uff0c\u90a3\u4e48\u54cd\u5e94\u4e2d\u53ef\u4ee5\u5305\u542b\u4e00\u4e2aRetry-After\u5934\u7528\u4ee5\u6807\u660e\u8fd9\u4e2a\u5ef6\u8fdf\u65f6\u95f4\u3002\u5982\u679c\u6ca1\u6709\u7ed9\u51fa\u8fd9\u4e2aRetry-After\u4fe1\u606f\uff0c\u90a3\u4e48\u5ba2\u6237\u7aef\u5e94\u5f53\u4ee5\u5904\u7406500\u54cd\u5e94\u7684\u65b9\u5f0f\u5904\u7406\u5b83\u3002<\/p>\n<ul>\n<li>504 Gateway Timeout<\/li>\n<\/ul>\n<p>\u4f5c\u4e3a\u7f51\u5173\u6216\u8005\u4ee3\u7406\u5de5\u4f5c\u7684\u670d\u52a1\u5668\u5c1d\u8bd5\u6267\u884c\u8bf7\u6c42\u65f6\uff0c\u672a\u80fd\u53ca\u65f6\u4ece\u4e0a\u6e38\u670d\u52a1\u5668\uff08URI\u6807\u8bc6\u51fa\u7684\u670d\u52a1\u5668\uff0c\u4f8b\u5982HTTP\u3001FTP\u3001LDAP\uff09\u6216\u8005\u8f85\u52a9\u670d\u52a1\u5668\uff08\u4f8b\u5982DNS\uff09\u6536\u5230\u54cd\u5e94\u3002<br \/>\n\u6ce8\u610f\uff1a\u67d0\u4e9b\u4ee3\u7406\u670d\u52a1\u5668\u5728DNS\u67e5\u8be2\u8d85\u65f6\u65f6\u4f1a\u8fd4\u56de400\u6216\u8005500\u9519\u8bef<\/p>\n<ul>\n<li>505 HTTP Version Not Supported<\/li>\n<\/ul>\n<p>\u670d\u52a1\u5668\u4e0d\u652f\u6301\uff0c\u6216\u8005\u62d2\u7edd\u652f\u6301\u5728\u8bf7\u6c42\u4e2d\u4f7f\u7528\u7684HTTP\u7248\u672c\u3002\u8fd9\u6697\u793a\u7740\u670d\u52a1\u5668\u4e0d\u80fd\u6216\u4e0d\u613f\u4f7f\u7528\u4e0e\u5ba2\u6237\u7aef\u76f8\u540c\u7684\u7248\u672c\u3002\u54cd\u5e94\u4e2d\u5e94\u5f53\u5305\u542b\u4e00\u4e2a\u63cf\u8ff0\u4e86\u4e3a\u4f55\u7248\u672c\u4e0d\u88ab\u652f\u6301\u4ee5\u53ca\u670d\u52a1\u5668\u652f\u6301\u54ea\u4e9b\u534f\u8bae\u7684\u5b9e\u4f53\u3002<\/p>\n<ul>\n<li>506 Variant Also Negotiates<\/li>\n<\/ul>\n<p>\u7531\u300a\u900f\u660e\u5185\u5bb9\u534f\u5546\u534f\u8bae\u300b\uff08RFC 2295\uff09\u6269\u5c55\uff0c\u4ee3\u8868\u670d\u52a1\u5668\u5b58\u5728\u5185\u90e8\u914d\u7f6e\u9519\u8bef\uff1a\u88ab\u8bf7\u6c42\u7684\u534f\u5546\u53d8\u5143\u8d44\u6e90\u88ab\u914d\u7f6e\u4e3a\u5728\u900f\u660e\u5185\u5bb9\u534f\u5546\u4e2d\u4f7f\u7528\u81ea\u5df1\uff0c\u56e0\u6b64\u5728\u4e00\u4e2a\u534f\u5546\u5904\u7406\u4e2d\u4e0d\u662f\u4e00\u4e2a\u5408\u9002\u7684\u91cd\u70b9\u3002<\/p>\n<ul>\n<li>507 Insufficient Storage<\/li>\n<\/ul>\n<p>\u670d\u52a1\u5668\u65e0\u6cd5\u5b58\u50a8\u5b8c\u6210\u8bf7\u6c42\u6240\u5fc5\u987b\u7684\u5185\u5bb9\u3002\u8fd9\u4e2a\u72b6\u51b5\u88ab\u8ba4\u4e3a\u662f\u4e34\u65f6\u7684\u3002WebDAV\uff08RFC 4918\uff09<\/p>\n<ul>\n<li>509 Bandwidth Limit Exceeded<\/li>\n<\/ul>\n<p>\u670d\u52a1\u5668\u8fbe\u5230\u5e26\u5bbd\u9650\u5236\u3002\u8fd9\u4e0d\u662f\u4e00\u4e2a\u5b98\u65b9\u7684\u72b6\u6001\u7801\uff0c\u4f46\u662f\u4ecd\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002<\/p>\n<ul>\n<li>510 Not Extended<\/li>\n<\/ul>\n<p>\u83b7\u53d6\u8d44\u6e90\u6240\u9700\u8981\u7684\u7b56\u7565\u5e76\u6ca1\u6709\u6ca1\u6ee1\u8db3\u3002\uff08RFC 2774\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>HTTP\u72b6\u6001\u7801\uff08\u82f1\u8bed\uff1aHTTP Status Code\uff09\u662f\u7528\u4ee5\u8868\u793a\u7f51\u9875\u670d\u52a1\u5668HT &hellip; <a href=\"https:\/\/www.code-life.com\/?p=393\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[8],"tags":[61],"_links":{"self":[{"href":"https:\/\/www.code-life.com\/index.php?rest_route=\/wp\/v2\/posts\/393"}],"collection":[{"href":"https:\/\/www.code-life.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.code-life.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.code-life.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.code-life.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=393"}],"version-history":[{"count":4,"href":"https:\/\/www.code-life.com\/index.php?rest_route=\/wp\/v2\/posts\/393\/revisions"}],"predecessor-version":[{"id":396,"href":"https:\/\/www.code-life.com\/index.php?rest_route=\/wp\/v2\/posts\/393\/revisions\/396"}],"wp:attachment":[{"href":"https:\/\/www.code-life.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.code-life.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=393"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.code-life.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}