{"id":162,"date":"2008-12-03T21:24:25","date_gmt":"2008-12-03T13:24:25","guid":{"rendered":"http:\/\/tmp.xujiwei.com\/blog\/?p=162"},"modified":"2010-01-29T13:35:14","modified_gmt":"2010-01-29T05:35:14","slug":"learn-http-status-code-part-2","status":"publish","type":"post","link":"https:\/\/xujiwei.com\/blog\/2008\/12\/learn-http-status-code-part-2\/","title":{"rendered":"Learn HTTP 1.1 Status Code Part.2"},"content":{"rendered":"<div class=\"post-content\">\n<p><strong>Learn\u00a0HTTP\u00a01.1\u00a0Status\u00a0Code\u00a0Part.2<\/strong><\/p>\n<p>by\u00a0xujiwei(<a rel=\"external\" href=\"http:\/\/www.xujiwei.com\/\">http:\/\/www.xujiwei.com\/<\/a>)<\/p>\n<p><a href=\"http:\/\/www.xujiwei.com\/blog\/?id=884\">\u524d\u4e00\u7bc7<\/a>\u4ecb\u7ecd\u4e86\u00a02xx\u00a0\u7cfb\u5217\u72b6\u6001\u7801\uff0c\u8fd9\u4e00\u7bc7\u4ecb\u7ecd\u00a03xx\u00a0\u91cd\u5b9a\u5411\u7cfb\u5217\u3002<\/p>\n<p><strong>5\u00a0\u91cd\u5b9a\u5411\u00a03xx\u00a0\u7cfb\u5217\u72b6\u6001\u7801<\/strong><\/p>\n<p>3xx\u00a0\u7cfb\u5217\u72b6\u6001\u7801\u4e00\u822c\u662f\u7528\u6765\u4f5c\u4e3a\u91cd\u5b9a\u5411\u7684\uff0c\u5e76\u4e14\u5728\u91cd\u5b9a\u5411\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4e00\u822c\u4e0d\u9700\u8981\u7528\u6237\u7684\u53c2\u4e0e\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u91cd\u5b9a\u5411\u7684\u8fc7\u7a0b\u662f\u7531\u6d4f\u89c8\u5668\u6765\u63a7\u5236\u7684\u3002\u4f46\u662f\u5982\u679c\u91cd\u5b9a\u5411\u540e\u7684\u8bf7\u6c42\u7684\u65b9\u6cd5\u4e0d\u662f\u00a0GET\u00a0\u6216\u00a0HEAD\u00a0\u7684\u8bdd\uff0c\u8fd8\u662f\u9700\u8981\u7528\u6237\u53c2\u4e0e\u7684\uff0c\u4e0d\u8fc7\u4e5f\u8bb8\u4ec5\u4ec5\u662f\u786e\u8ba4\u4e00\u4e0b\u662f\u5426\u540c\u610f\u53d1\u9001\u6570\u636e\u800c\u5df2\uff1a\uff09<\/p>\n<p>\u53e6\u5916\uff0c\u5f00\u53d1\u8005\u8981\u6ce8\u610f\u7684\u662f\uff0c<a rel=\"external\" href=\"http:\/\/www.w3.org\/Protocols\/rfc2616\/rfc2616-sec10.html#sec10.3\">RFC2616\u00a0Section\u00a010.3<\/a> \u7684\u5907\u6ce8\u4e2d\u63d0\u5230\u4e86\u5728\u524d\u4e00\u7248\u672c\u7684\u00a0HTTP\u00a0\u534f\u8bae\u4e2d\u5efa\u8bae\u6700\u5927\u91cd\u5b9a\u5411\u6b21\u6570\u4e3a\u00a05\u00a0\u6b21\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5ba2\u6237\u7aef\u53ef\u80fd\u53ea\u8ddf\u8e2a\u00a05\u00a0\u6b21\u91cd\u5b9a\u5411\uff0c\u5982\u679c\u8d85\u8fc7\u00a05\u00a0\u6b21\u91cd\u5b9a\u5411\uff0c\u90a3\u4e48\u53ef\u80fd\u5ba2\u6237\u7aef\u5c31\u4f1a\u628a\u7b2c\u00a05\u00a0\u6b21\u91cd\u5b9a\u5411\u540e\u5f97\u5230\u7684\u7ed3\u679c\u505a\u4e3a\u6700\u7ec8\u7ed3\u679c\u3002\u8fd9\u65f6\uff0c\u5ba2\u6237\u7aef\u5f97\u5230\u7684\u53ef\u80fd\u5c31\u662f\u4e00\u4e2a\u9519\u8bef\u7684\u7ed3\u679c\uff0c\u8fd9\u5c31\u662f\u5f00\u53d1\u8005\u4e0d\u613f\u770b\u5230\u7684\uff0c\u90a3\u4e48\u5728\u5f00\u53d1\u65f6\uff0c\u5c31\u5e94\u8be5\u5c3d\u91cf\u63a7\u5236\u91cd\u5b9a\u5411\u6b21\u6570\u5728\u00a05\u00a0\u6b21\u4ee5\u5185\u3002<\/p>\n<p><strong>5.1\u00a0\u00a0300\u00a0Multiple\u00a0Choices<\/strong><\/p>\n<p>300\u00a0Multiple\u00a0Choices\uff0c\u5b57\u9762\u610f\u601d\u662f\u591a\u91cd\u9009\u62e9\uff0c\u8868\u793a\u8bf7\u6c42\u7684\u8fd9\u4e2a\u5730\u5740\u5177\u6709\u591a\u4e2a\u8d44\u6e90\u53ef\u4ee5\u54cd\u5e94\u3002\u5ba2\u6237\u7aef\u5728\u9047\u5230\u00a0300\u00a0Multiple\u00a0Choices\u00a0\u65f6\uff0c\u53ef\u4ee5\u81ea\u52a8\u9009\u62e9\u4e00\u4e2a\u6700\u9002\u5408\u7684\u8f6c\u5411\u5730\u5740\uff0c\u6216\u8005\u5c06\u6240\u6709\u9009\u9879\u63d0\u4f9b\u7ed9\u7528\u6237\u7531\u7528\u6237\u6765\u9009\u62e9\u4e00\u4e2a\u6700\u9002\u5408\u7684\u8f6c\u5411\u5730\u5740\u3002<\/p>\n<p>\u9664\u975e\u5ba2\u6237\u7aef\u4f7f\u7528\u00a0HEAD\u00a0\u65b9\u6cd5\u6765\u8bf7\u6c42\uff0c\u90a3\u4e48\u5982\u679c\u670d\u52a1\u7aef\u8981\u8fd4\u56de\u00a0300\u00a0\u72b6\u6001\u7801\uff0c\u90a3\u4e48\u4e5f\u5e94\u8be5\u540c\u65f6\u5728\u54cd\u5e94\u4e2d\u6307\u51fa\u6240\u6709\u53ef\u4ee5\u9009\u62e9\u7684\u8f6c\u5411\u5730\u5740\u5217\u8868\u4ee5\u4fbf\u5ba2\u6237\u7aef\u8fdb\u884c\u9009\u62e9\u3002\u4f46\u662f\uff0c\u76ee\u524d\u8fd9\u4e2a\u5217\u8868\u7684\u683c\u5f0f\u5e76\u6ca1\u6709\u4e00\u4e2a\u7edf\u4e00\u7684\u89c4\u8303\uff0c\u6240\u4ee5\u9700\u8981\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u7aef\u7edf\u4e00\u89c4\u8303\u3002<\/p>\n<p>\u6211\u89c9\u5f97\u8fd9\u4e2a\u72b6\u6001\u7801\u53ef\u4ee5\u7528\u4e8e\u955c\u50cf\u9009\u62e9\uff0c\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u8bf7\u6c42\u4e00\u4e2a\u8d44\u6e90\uff0c\u670d\u52a1\u5668\u8fd4\u56de\u4e00\u4e2a\u6240\u6709\u5019\u9009\u8d44\u6e90\u7684\u5217\u8868\uff0c\u5ba2\u6237\u7aef\u4ece\u4e2d\u9009\u53d6\u4e00\u4e2a\u901f\u5ea6\u6700\u5feb\u7684\u955c\u50cf\u8fdb\u884c\u8d44\u6e90\u4e0b\u8f7d\u3002<\/p>\n<p>\u5982\u679c\u6ca1\u6709\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u7aef\u4e4b\u95f4\u6ca1\u6709\u7edf\u4e00\u89c4\u8303\u54ea\u4e00\u4e2a\u8d44\u6e90\u624d\u662f\u6700\u9002\u5408\u7684\u9009\u62e9\uff0c\u90a3\u4e48\u670d\u52a1\u7aef\u6700\u597d\u5728\u5934\u90e8\u4e2d\u6dfb\u52a0\u00a0Location\u00a0\u5b57\u6bb5\u6307\u660e\u4ee5\u670d\u52a1\u7aef\u6765\u8003\u8651\u7684\u6700\u9002\u5408\u7684\u8f6c\u5411\u5730\u5740\uff0c\u5ba2\u6237\u7aef\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u00a0Location\u00a0\u5b57\u6bb5\u4e2d\u7684\u8f6c\u5411\u5730\u5740\u8fdb\u884c\u8f6c\u5411\u800c\u4e0d\u9700\u8981\u8003\u8651\u5019\u9009\u8d44\u6e90\u5217\u8868\u683c\u5f0f\u662f\u600e\u4e48\u6837\u7684\u6216\u8005\u54ea\u4e00\u4e2a\u9009\u62e9\u624d\u662f\u6700\u597d\u7684\u3002<\/p>\n<p>\u7ecf\u8fc7\u6d4b\u8bd5\uff0c\u76ee\u524d\u6d41\u884c\u7684\u6d4f\u89c8\u5668\u4e2d\uff0c\u53ea\u6709\u00a0IE\u00a0\u548c\u00a0Firefox\u00a0\u4f1a\u5bf9\u00a0300\u00a0\u72b6\u6001\u7801\u8fdb\u884c\u8bc6\u522b\uff0cSafari\u3001Opera\u3001Chrome\u00a0\u5747\u76f4\u63a5\u663e\u793a\u54cd\u5e94\u7684\u5185\u5bb9\u3002\u7531\u4e8e\u524d\u9762\u8bf4\u8fc7\u7684\u539f\u56e0\uff0c\u5019\u9009\u5217\u8868\u7684\u683c\u5f0f\u6ca1\u6709\u4e00\u4e2a\u7edf\u4e00\u7684\u89c4\u8303\uff0c\u6240\u4ee5\u00a0IE\u00a0\u548c\u00a0Firefox\u00a0\u53ea\u4f1a\u6839\u636e\u00a0Location\u00a0\u5b57\u6bb5\u7684\u503c\u8fdb\u884c\u8f6c\u5411\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u00a0Location\u00a0\u5b57\u6bb5\u7684\u503c\uff0c\u90a3\u4e48\u00a0IE\u00a0\u548c\u00a0Firefox\u00a0\u4e5f\u4f1a\u8ddf\u5176\u4ed6\u6d4f\u89c8\u5668\u4e00\u6837\u53ea\u663e\u793a\u54cd\u5e94\u7684\u5185\u5bb9\u3002<\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u00a0ASP\u00a0\u4ee3\u7801\u6765\u6d4b\u8bd5\u00a0300\u00a0Multiple\u00a0Choices\uff1a<\/p>\n<div class=\"codeHead\">\u7a0b\u5e8f\u4ee3\u7801\uff1a<a href=\"javascript:CopyText($('CODE_7388'));\">[ \u590d\u5236\u4ee3\u7801\u5230\u526a\u8d34\u677f ]<\/a><\/div>\n<div id=\"CODE_7388\" class=\"codeMain\">\n<ul>\n<li>&lt;%@LANGUAGE=\"JScript\"\u00a0CODEPAGE=\"65001\"%&gt;<\/li>\n<li>&lt;%<\/li>\n<li>\/\/\u00a0code\u00a0from\u00a0www.xujiwei.com<\/li>\n<li>Response.Status\u00a0=\u00a0\"300\u00a0Multiple\u00a0Choices\"<\/li>\n<li>\/\/\u00a0\u6dfb\u52a0\u4e00\u4e2a\u00a0Location\u00a0\u5b57\u6bb5\uff0cIE\u00a0\u548c\u00a0Firefox\u00a0\u4f1a\u8bc6\u522b\u8fd9\u4e2a\u5b57\u6bb5\u5e76\u91cd\u5b9a\u5411<\/li>\n<li>Response.AddHeader(\"Location\",\u00a0\"test3.asp\");<\/li>\n<li>\/\/\u00a0\u8f93\u51fa\u4e00\u4e2a\u5019\u9009\u8d44\u6e90\u5217\u8868\uff0c\u4ee5\u00a0XML\u00a0\u6587\u4ef6\u7684\u5f62\u5f0f<\/li>\n<li>\/\/\u00a0\u5f53\u7136\uff0c\u8fd9\u4e2a\u683c\u5f0f\u53ea\u662f\u6211\u6d4b\u8bd5\u7528\u7684\uff0c\u6ca1\u6709\u6d4f\u89c8\u5668\u4f1a\u8ba4\u8bc6\u5b83<\/li>\n<li>Response.ContentType\u00a0=\u00a0\"application\/xml\";<\/li>\n<li>Response.Write(\"&lt;?xml\u00a0version='1.0'\u00a0encoding='utf-8'\u00a0?&gt;&lt;locations&gt;&lt;location&gt;test3.asp&lt;\/location&gt;&lt;location&gt;test.html&lt;\/location&gt;&lt;\/locations&gt;\");<\/li>\n<li>%&gt;<\/li>\n<\/ul>\n<\/div>\n<p>\u5728\u00a0IE\u00a0\u548c\u00a0Firefox\u00a0\u4e2d\u6d4f\u89c8\u5305\u542b\u4ee5\u4e0a\u4ee3\u7801\u7684\u9875\u9762\u65f6\uff0c\u4f1a\u81ea\u52a8\u8f6c\u5411\u5230\u00a0test3.asp\uff0c\u800c\u00a0Safari\u3001Opera\u3001Chrome\u00a0\u5219\u4e0d\u4f1a\u3002<\/p>\n<p><strong>5.2\u00a0\u00a0301\u00a0Moved\u00a0Permanently<\/strong><\/p>\n<p>\u5728\u8bf8\u591a\u00a0SEO\u00a0\u7684\u6587\u7ae0\u4e2d\u6240\u8bf4\u7684\u6c38\u4e45\u8f6c\u5411\u5c31\u662f\u8fd9\u4f4d\u00a0301\u00a0Moved\u00a0Permanently\u00a0\u4e86\u3002301\u00a0\u8868\u793a\u5f53\u524d\u8bf7\u6c42\u7684\u8d44\u6e90\u6c38\u4e45\u5730\u88ab\u8f6c\u79fb\u5230\u4e00\u4e2a\u65b0\u7684\u00a0URI\u00a0\u4e86\uff0c\u9664\u975e\u8bf7\u6c42\u7684\u65b9\u6cd5\u662f\u00a0HEAD\uff0c\u8fd9\u4e2a\u65b0\u7684\u00a0URI\u00a0\u5fc5\u987b\u5728\u5934\u90e8\u7684\u00a0Location\u00a0\u5b57\u6bb5\u4e2d\u6307\u51fa\uff0c\u540c\u65f6\u54cd\u5e94\u5185\u5bb9\u4e2d\u6700\u597d\u5305\u542b\u4e00\u4e2a\u6307\u5b9a\u65b0\u5730\u5740\u7684\u8d85\u94fe\u63a5\uff0c\u8fd9\u6837\uff0c\u5728\u4e0d\u652f\u6301\u81ea\u52a8\u8f6c\u5411\u7684\u6d4f\u89c8\u5668\u7528\u6237\u4e5f\u53ef\u4ee5\u901a\u8fc7\u70b9\u51fb\u8d85\u94fe\u63a5\u6765\u91cd\u5b9a\u5411\u5230\u65b0\u7684\u00a0URI\u3002<\/p>\n<p>\u5982\u679c\u8bf7\u6c42\u65f6\u6240\u7528\u7684\u65b9\u6cd5\u4e0d\u662f\u00a0GET\u00a0\u6216\u8005\u00a0HEAD\uff0c\u90a3\u4e48\u5ba2\u6237\u7aef\u5728\u7528\u6237\u786e\u8ba4\u524d\u4e0d\u5e94\u81ea\u52a8\u8fdb\u884c\u91cd\u5b9a\u5411\u3002\u4f8b\u5982\u5982\u679c\u6d4f\u89c8\u5668\u53d1\u9001\u4e86\u4e00\u4e2a\u00a0POST\u00a0\u8bf7\u6c42\uff0c\u4f46\u662f\u6536\u5230\u4e86\u00a0301\u00a0Moved\u00a0Permanently\u00a0\u7684\u54cd\u5e94\uff0c\u90a3\u4e48\u5728\u91cd\u5b9a\u5411\u5230\u65b0\u7684\u00a0URI\u00a0\u65f6\uff0c\u53ef\u80fd\u4f1a\u4f7f\u7528\u00a0GET\u00a0\u65b9\u6cd5\u6765\u8bf7\u6c42\u800c\u4e0d\u662f\u00a0POST\u00a0\u65b9\u6cd5\u3002<\/p>\n<p>\u4e8b\u5b9e\u4e0a\uff0c\u6d4b\u8bd5\u8868\u660e\uff0c\u76ee\u524d\u7684\u4e3b\u6d41\u6d4f\u89c8\u5668\u90fd\u4e0d\u4f1a\u76f4\u63a5\u91cd\u53d1\u00a0POST\u00a0\u8bf7\u6c42\u5230\u00a0301\u00a0\u91cd\u5b9a\u5411\u540e\u7684\u00a0URI\uff0c\u800c\u662f\u5c06\u8bf7\u6c42\u8f6c\u6362\u6210\u00a0GET\u00a0\u65b9\u6cd5\u540e\u518d\u53d1\u9001\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5728\u00a0301\u00a0\u91cd\u5b9a\u5411\u5230\u7684\u670d\u52a1\u7aef\u7a0b\u5e8f\u4e2d\uff0c\u662f\u63a5\u6536\u4e0d\u5230\u6700\u5f00\u59cb\u5ba2\u6237\u7aef\u00a0POST\u00a0\u7684\u6570\u636e\u3002<\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u53ef\u4ee5\u6d4b\u8bd5\u51fa\u00a0POST\u00a0\u8bf7\u6c42\u88ab\u8f6c\u53d1\u4e3a\u00a0GET\u00a0\u8bf7\u6c42\uff1a<\/p>\n<p><em>test.html<\/em><\/p>\n<div class=\"codeHead\">\u7a0b\u5e8f\u4ee3\u7801\uff1a<a href=\"javascript:CopyText($('CODE_4052'));\">[ \u590d\u5236\u4ee3\u7801\u5230\u526a\u8d34\u677f ]<\/a><\/div>\n<div id=\"CODE_4052\" class=\"codeMain\">\n<ul>\n<li>&lt;!--\u00a0code\u00a0from\u00a0www.xujiwei.com\u00a0--&gt;<\/li>\n<li>&lt;form\u00a0action=\"test.asp\"\u00a0method=\"post\"&gt;<\/li>\n<li>&lt;input\u00a0type=\"text\"\u00a0name=\"hello\"\u00a0value=\"world\"\u00a0\/&gt;&lt;input\u00a0type=\"submit\"\u00a0\/&gt;<\/li>\n<li>&lt;\/form&gt;<\/li>\n<\/ul>\n<\/div>\n<p><em>test.asp<\/em><\/p>\n<div class=\"codeHead\">\u7a0b\u5e8f\u4ee3\u7801\uff1a<a href=\"javascript:CopyText($('CODE_2719'));\">[ \u590d\u5236\u4ee3\u7801\u5230\u526a\u8d34\u677f ]<\/a><\/div>\n<div id=\"CODE_2719\" class=\"codeMain\">\n<ul>\n<li>&lt;%@LANGUAGE=\"JScript\"\u00a0CODEPAGE=\"65001\"%&gt;<\/li>\n<li>&lt;%<\/li>\n<li>\/\/\u00a0code\u00a0from\u00a0www.xujiwei.com<\/li>\n<li>\/\/\u00a0\u91cd\u5b9a\u5411\u5230\u00a0test2.asp<\/li>\n<li>Response.Status\u00a0=\u00a0\"301\u00a0Moved\u00a0Permanently\"<\/li>\n<li>Response.AddHeader(\"Location\",\u00a0\"test2.asp\");<\/li>\n<li>%&gt;<\/li>\n<\/ul>\n<\/div>\n<p><em>test2.asp<\/em><\/p>\n<div class=\"codeHead\">\u7a0b\u5e8f\u4ee3\u7801\uff1a<a href=\"javascript:CopyText($('CODE_2247'));\">[ \u590d\u5236\u4ee3\u7801\u5230\u526a\u8d34\u677f ]<\/a><\/div>\n<div id=\"CODE_2247\" class=\"codeMain\">\n<ul>\n<li>&lt;%@LANGUAGE=\"JScript\"\u00a0CODEPAGE=\"65001\"%&gt;<\/li>\n<li>&lt;%<\/li>\n<li>\/\/\u00a0code\u00a0from\u00a0www.xujiwei.com<\/li>\n<li>Response.ContentType\u00a0=\u00a0\"text\/html;\u00a0charset=utf-8\";<\/li>\n<li>Response.Write(new\u00a0Date().toLocaleString()\u00a0+\u00a0\"&lt;br\/&gt;\");<\/li>\n<li>\/\/\u00a0\u8f93\u51fa\u8bf7\u6c42\u65b9\u6cd5\uff0c\u9884\u671f\u4e3a\u00a0POST\uff0c\u5b9e\u9645\u4e3a\u00a0GET<\/li>\n<li>Response.Write(Request.ServerVariables(\"HTTP_METHOD\"));<\/li>\n<li>\/\/\u00a0\u8f93\u51fa\u8868\u5355\u4e2d\u5b57\u6bb5\u00a0hello\u00a0\u7684\u503c\uff0c\u9884\u671f\u4e3a\u00a0\"world\"\uff0c\u5b9e\u9645\u4e3a\u7a7a\u5b57\u7b26\u4e32<\/li>\n<li>Response.Write(Request.Form(\"hello\"));<\/li>\n<li>%&gt;<\/li>\n<\/ul>\n<\/div>\n<p><strong>5.3\u00a0\u00a0302\u00a0Found<\/strong><\/p>\n<p>302\u00a0Found\u00a0\u5e38\u7528\u4e8e\u5ba2\u6237\u7aef\u91cd\u5b9a\u5411\uff0c\u4f8b\u5982\u767b\u5f55\u5b8c\u6210\u540e\u91cd\u5b9a\u5411\u5230\u9996\u9875\u7b49\u3002\u5b83\u8868\u793a\u7684\u662f\u4e34\u65f6\u91cd\u5b9a\u5411\uff0c\u867d\u7136\u7528\u5f97\u591a\uff0c\u4f46\u662f\u5728\u5bf9\u4e8e\u641c\u7d22\u5f15\u64ce\u800c\u8a00\u5374\u662f\u4e00\u4e2a\u4e0d\u592a\u53cb\u597d\u7684\u4e1c\u897f\uff0c\u6240\u4ee5\u5c3d\u91cf\u53ea\u5728\u4e34\u65f6\u8f6c\u5411\u65f6\u624d\u7528\u5b83\u3002<\/p>\n<p>302\u00a0Found\u00a0\u7684\u7528\u6cd5\u8ddf\u00a0301\u00a0Moved\u00a0Permanently\u00a0\u4e00\u6837\uff0c\u5728\u00a0Location\u00a0\u5b57\u6bb5\u4e2d\u6307\u51fa\u8981\u8f6c\u5411\u7684\u5730\u5740\uff0c\u53ea\u662f\u6240\u5305\u542b\u7684\u542b\u4e49\u4e0d\u4e00\u6837\u800c\u5df2\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u5728\u00a0<a rel=\"external\" href=\"http:\/\/www.w3.org\/Protocols\/rfc2616\/rfc2616-sec10.html#sec10.3.3\">RFC\u00a02616\u00a0Section\u00a010.3.3<\/a> \u7684\u5907\u6ce8\u4e2d\u8bf4\u5230\u5728\u00a0<a rel=\"external\" href=\"http:\/\/www.w3.org\/Protocols\/rfc1945\/rfc1945\">RFC\u00a01945<\/a> \u548c\u00a0<a rel=\"external\" href=\"http:\/\/www.w3.org\/Protocols\/rfc2068\/rfc2068\">RFC\u00a02068<\/a> \u4e2d\u662f\u4e0d\u5141\u8bb8\u5ba2\u6237\u7aef\u6539\u53d8\u91cd\u5b9a\u5411\u540e\u7684\u8bf7\u6c42\u65b9\u6cd5\u7684\uff0c\u4f46\u662f\u76ee\u524d\u591a\u6570\u7684\u5ba2\u6237\u7aef\u90fd\u662f\u76f4\u63a5\u91cd\u5b9a\u5411\u7136\u540e\u628a\u65b9\u6cd5\u6539\u4e3a\u00a0GET\u00a0\u5e76\u820d\u53bb\u00a0POST\u00a0\u90e8\u5206\u7684\u6570\u636e\uff0c\u6240\u4ee5\u5728\u6700\u65b0\u7684\u00a0HTTP\u00a01.1\u00a0\u4e2d\u6dfb\u52a0\u4e86\u00a0303\u00a0\u548c\u00a0307\u00a0\u4e24\u4e2a\u72b6\u6001\u7801\u6765\u660e\u786e\u662f\u5426\u9700\u8981\u5ba2\u6237\u7aef\u7ee7\u7eed\u4ee5\u00a0POST\u00a0\u65b9\u5f0f\u53d1\u9001\u8bf7\u6c42\u3002<\/p>\n<p><strong>5.4\u00a0\u00a0303\u00a0See\u00a0Other<\/strong><\/p>\n<p>\u4e0a\u9762\u63d0\u5230\u4e86\u00a0303\u00a0\u548c\u00a0307\u00a0\u662f\u7528\u6765\u89e3\u51b3\u91cd\u5b9a\u5411\u662f\u5426\u8981\u91cd\u53d1\u00a0POST\u00a0\u6570\u636e\u4e0d\u6e05\u6670\u7684\u95ee\u9898\uff0c\u5176\u4e2d\u00a0303\u00a0\u5c31\u662f\u7528\u6765\u8868\u793a\u5ba2\u6237\u7aef\u4e0d\u9700\u8981\u91cd\u65b0\u53d1\u9001\u00a0POST\u00a0\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u00a0GET\u00a0\u65b9\u6cd5\u6765\u8bf7\u6c42\u65b0\u7684\u5730\u5740\u3002<\/p>\n<p>\u8981\u6ce8\u610f\u7684\u662f\uff0c303\u00a0\u54cd\u5e94\u4e2d\u00a0Location\u00a0\u6307\u51fa\u7684\u5730\u5740\u5e76\u4e0d\u662f\u539f\u8bf7\u6c42\u5730\u5740\u7684\u5b8c\u6574\u54cd\u5e94\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c303\u00a0\u53ef\u80fd\u53ea\u662f\u4e2a\u8bf4\u660e\u9875\u9762\uff0c\u5e76<strong>\u4e0d\u4e00\u5b9a\u4f1a\u5bf9\u539f\u6765\u8bf7\u6c42\u505a\u51fa\u6b63\u786e\u7684\u54cd\u5e94<\/strong>\u3002<\/p>\n<p>\u5907\u6ce8\u4e2d\u8bf4\u4e00\u4e9b\u4ee5\u524d\u7684\u00a0HTTP\u00a01.1\u00a0\u5ba2\u6237\u7aef\u53ef\u80fd\u4e0d\u8ba4\u8bc6\u00a0303\uff0c\u4e0d\u8fc7\u73b0\u5728\u53ef\u4ee5\u653e\u5fc3\u7684\u662f\uff0c\u4e3b\u6d41\u6d4f\u89c8\u5668\u90fd\u662f\u652f\u6301\u00a0303\u00a0\u72b6\u6001\u7801\u7684\u3002<\/p>\n<p><em>test.asp<\/em><\/p>\n<div class=\"codeHead\">\u7a0b\u5e8f\u4ee3\u7801\uff1a<a href=\"javascript:CopyText($('CODE_4581'));\">[ \u590d\u5236\u4ee3\u7801\u5230\u526a\u8d34\u677f ]<\/a><\/div>\n<div id=\"CODE_4581\" class=\"codeMain\">\n<ul>\n<li>&lt;%@LANGUAGE=\"JScript\"\u00a0CODEPAGE=\"65001\"%&gt;<\/li>\n<li>&lt;%<\/li>\n<li>\/\/\u00a0code\u00a0from\u00a0www.xujiwei.com<\/li>\n<li>Response.Status\u00a0=\u00a0\"303\u00a0See\u00a0Other\"<\/li>\n<li>Response.AddHeader(\"Location\",\u00a0\"test2.asp\");<\/li>\n<li>%&gt;<\/li>\n<\/ul>\n<\/div>\n<p>\u53cd\u6b63\u5ba2\u6237\u7aef\u662f\u4f1a\u5c06\u8bf7\u6c42\u4ee5\u00a0GET\u00a0\u65b9\u6cd5\u91cd\u65b0\u53d1\u9001\u7684\uff0c\u6240\u4ee5\u00a0POST\u00a0\u90e8\u5206\u7684\u6570\u636e\u5c31\u4e0d\u7528\u6307\u671b\u4e86\uff1a\uff09<\/p>\n<p><strong>5.5\u00a0\u00a0304\u00a0Not\u00a0Modified<\/strong><\/p>\n<p>304\u00a0Not\u00a0Modified\u00a0\u662f\u7528\u6765\u8868\u793a\u5ba2\u6237\u7aef\u6240\u8bf7\u6c42\u7684\u8d44\u6e90\u548c\u4e0a\u6b21\u6240\u8bf7\u6c42\u65f6\u6ca1\u6709\u53d1\u751f\u6539\u53d8\uff0c\u8fd9\u6837\u670d\u52a1\u7aef\u5c31\u4e0d\u7528\u91cd\u65b0\u53d1\u9001\u8d44\u6e90\u7684\u5185\u5bb9\uff0c\u4ece\u800c\u51cf\u5c11\u4e86\u7f51\u7edc\u7684\u8d1f\u62c5\u3002<\/p>\n<p>\u670d\u52a1\u7aef\u53ef\u4ee5\u7531\u4e24\u4e2a\u5934\u90e8\u53d8\u91cf\u6765\u5224\u65ad\u662f\u5426\u53d1\u9001\u00a0304\u00a0Not\u00a0Modified\u00a0\u72b6\u6001\u7801\uff0c\u4e00\u4e2a\u662f\u00a0If-Modified-Since\uff0c\u53e6\u4e00\u4e2a\u662f\u00a0If-None-Match\uff0c\u76f8\u5bf9\u5e94\u7684\u670d\u52a1\u7aef\u9700\u8981\u53d1\u9001\u7684\u5934\u90e8\u53d8\u91cf\u662f\u00a0Last-Modified\u00a0\u548c\u00a0ETag\u3002\u53ef\u4ee5\u4e8c\u8005\u9009\u5176\u4e00\uff0c\u4e5f\u53ef\u4ee5\u4e24\u4e2a\u90fd\u7528\u3002<a rel=\"external\" href=\"http:\/\/www.pjhome.net\/\">PJBlog<\/a> \u5c31\u4f7f\u7528\u4e86\u00a0304\u00a0Not\u00a0Modified\u00a0\u6765\u4f18\u5316\u8fb9\u680f\u7684\u6027\u80fd\u3002<\/p>\n<div class=\"codeHead\">\u7a0b\u5e8f\u4ee3\u7801\uff1a<a href=\"javascript:CopyText($('CODE_8320'));\">[ \u590d\u5236\u4ee3\u7801\u5230\u526a\u8d34\u677f ]<\/a><\/div>\n<div id=\"CODE_8320\" class=\"codeMain\">\n<ul>\n<li>&lt;%@LANGUAGE=\"JScript\"\u00a0CODEPAGE=\"65001\"%&gt;<\/li>\n<li>&lt;%<\/li>\n<li>\/\/\u00a0code\u00a0from\u00a0www.xujiwei.com<\/li>\n<li>\/\/\u00a0\u4ece\u00a0Session\u00a0\u4e2d\u83b7\u53d6\u00a0ETag\u00a0\u548c\u00a0Last-Modified\u00a0\u503c\u5e76\u53d1\u9001\u5230\u5ba2\u6237\u7aef<\/li>\n<li>var\u00a0etag\u00a0=\u00a0Session('etag')\u00a0+\u00a0',\u00a0lastmod\u00a0=\u00a0Session(\"lastmod\")\u00a0+\u00a0';<\/li>\n<li>if(etag\u00a0==\u00a0'\u00a0||\u00a0etag\u00a0==\u00a0'undefined')\u00a0{<\/li>\n<li> Session('etag')\u00a0=\u00a0(+new\u00a0Date()).toString(16);<\/li>\n<li> etag\u00a0=\u00a0Session('etag')\u00a0+\u00a0';<\/li>\n<li>}<\/li>\n<li>if(lastmod\u00a0==\u00a0'\u00a0||\u00a0lastmod\u00a0==\u00a0'undefined')\u00a0{<\/li>\n<li> Session('lastmod')\u00a0=\u00a0new\u00a0Date().toUTCString();<\/li>\n<li> lastmod\u00a0=\u00a0Session('lastmod')\u00a0+\u00a0';<\/li>\n<li>}<\/li>\n<li>Response.AddHeader(\"ETag\",\u00a0etag);<\/li>\n<li>Response.AddHeader(\"Last-Modified\",\u00a0lastmod);<\/li>\n<li>Response.ContentType\u00a0=\u00a0\"image\/jpeg\";<\/li>\n<li>\/\/\u00a0\u83b7\u53d6\u5ba2\u6237\u7aef\u53d1\u9001\u8fc7\u6765\u7684\u00a0If-None-Match\u00a0\u548c\u00a0If-Modified-Since\u00a0\u503c<\/li>\n<li>var\u00a0etag2\u00a0=\u00a0Request.ServerVariables(\"HTTP_IF_NONE_MATCH\")\u00a0+\u00a0\"\";<\/li>\n<li>var\u00a0lastmod2\u00a0=\u00a0Request.ServerVariables(\"HTTP_IF_MODIFIED_SINCE\")\u00a0+\u00a0\"\";<\/li>\n<li>if(etag2\u00a0==\u00a0etag\u00a0||\u00a0lastmod\u00a0==\u00a0lastmod2)\u00a0{<\/li>\n<li> \/\/\u00a0\u76f4\u63a5\u54cd\u5e94\u00a0304\u00a0Not\u00a0Modified<\/li>\n<li> Response.Status\u00a0=\u00a0\"304\u00a0Not\u00a0Modified\";<\/li>\n<li>}<\/li>\n<li>else\u00a0{<\/li>\n<li> \/\/\u00a0\u53d1\u9001\u5b8c\u6210\u5185\u5bb9<\/li>\n<li> Response.Status\u00a0=\u00a0\"200\u00a0OK\"<\/li>\n<li> var\u00a0stream\u00a0=\u00a0new\u00a0ActiveXObject(\"ADODB.Stream\");<\/li>\n<li> stream.Type\u00a0=\u00a01;<\/li>\n<li> stream.Mode\u00a0=\u00a03;<\/li>\n<li> stream.Open();<\/li>\n<li> stream.LoadFromFile(Server.MapPath('test.jpg'));<\/li>\n<li> Response.BinaryWrite(stream.Read());<\/li>\n<li> stream.Close();<\/li>\n<li>}<\/li>\n<li>%&gt;<\/li>\n<\/ul>\n<\/div>\n<p><strong>5.6\u00a0\u00a0305\u00a0Use\u00a0Proxy<\/strong><\/p>\n<p>305\u00a0Use\u00a0Proxy\u00a0\u6307\u793a\u5ba2\u6237\u7aef\u9700\u8981\u901a\u8fc7\u4ee3\u7406\u6765\u8bf7\u6c42\u5f53\u524d\u8d44\u6e90\uff0c\u5728\u5934\u90e8\u7684\u00a0Location\u00a0\u5b57\u6bb5\u4e2d\u6307\u5b9a\u4ee3\u7406\u5730\u5740\uff0c\u5e76\u4e14\u8fd9\u4e2a\u72b6\u6001\u7801\u53ea\u80fd\u7531\u539f\u59cb\u670d\u52a1\u5668\u8fd4\u56de\u3002<\/p>\n<p>\u4f46\u662f\u00a0<a rel=\"external\" href=\"http:\/\/www.w3.org\/Protocols\/rfc2616\/rfc2616-sec10.html#sec10.3.6\">RFC\u00a02616\u00a0Section\u00a010.3.6<\/a> \u4e2d\u5e76\u6ca1\u6709\u8be6\u7ec6\u6307\u51fa\u00a0Location\u00a0\u7684\u683c\u5f0f\u662f\u600e\u4e48\u6837\u7684\uff0c\u901a\u8fc7\u6d4b\u8bd5\u53d1\u73b0\u53ea\u6709\u00a0Safari\u00a0\u4f1a\u8bc6\u522b\u00a0305\u00a0Use\u00a0Proxy\uff0c\u5e76\u4e14\u76f4\u63a5\u8f6c\u5411\u5230\u00a0Location\u00a0\u4e2d\u6307\u5b9a\u7684\u5730\u5740\u3002<\/p>\n<p>\u6682\u4e14\u628a\u5b83\u5f53\u505a\u4e00\u4e2a\u8f6c\u5411\u7684\u72b6\u6001\u7801\u6765\u7528\u5427\uff0c\u55ef\uff0c\u5c3d\u91cf\u5c11\u7528\u5427\uff0c\u8bb8\u591a\u6d4f\u89c8\u5668\u4e0d\u8ba4\u8bc6\u5b83\u3002<\/p>\n<p><strong>5.7\u00a0\u00a0306\u00a0(Unused)<\/strong><\/p>\n<p>HTTP\u00a01.1\u00a0\u4e2d\u628a\u5b83\u7ed9\u6254\u4e86\uff0c\u6240\u4ee5\u6211\u4eec\u4e0d\u7528\u7ba1\u8fd9\u4e2a\u72b6\u6001\u7801\u4e86\uff0c\u5982\u679c\u78b0\u5230\u4e86\uff0c\u76f4\u63a5\u5f53\u9519\u8bef\u5904\u7406\u5427\u3002<\/p>\n<p><strong>5.8\u00a0\u00a0307\u00a0Temporary\u00a0Redirect<\/strong><\/p>\n<p>\u5514\uff0c\u53c8\u662f\u4e00\u4e2a\u4e0d\u88ab\u5b8c\u5168\u652f\u6301\u7684\u72b6\u6001\u7801\u3002\u5ba2\u6237\u7aef\u6536\u5230\u8fd9\u4e2a\u72b6\u6001\u7801\u65f6\uff0c\u5e94\u8be5\u5c06\u8bf7\u6c42\u91cd\u53d1\u5230\u65b0\u7684\u5730\u5740\u3002\u800c\u4e14\u8fd9\u4e2a\u72b6\u6001\u7801\uff0c\u4e3b\u8981\u7528\u4e8e\u00a0POST\u00a0\u8bf7\u6c42\uff0c\u56e0\u4e3a\u5982\u679c\u539f\u59cb\u8bf7\u6c42\u662f\u7528\u00a0GET\u00a0\u65b9\u6cd5\u53d1\u9001\u7684\uff0c\u90a3\u4e48\u5f88\u53ef\u601c\u7684\u5728\u91cd\u5b9a\u5411\u5230\u65b0\u7684\u5730\u5740\u4ee5\u540e\uff0cGET\u00a0\u53c2\u6570\u4f1a\u5168\u90e8\u820d\u5f03\uff0c\u5982\u679c\u9700\u8981\u5728\u8f6c\u5411\u540e\u7684\u5730\u5740\u5904\u7406\u00a0GET\u00a0\u53c2\u6570\uff0c\u90a3\u4e48\u81ea\u5df1\u5728\u670d\u52a1\u7aef\u7a0b\u5e8f\u4e2d\u52a0\u4e0a\u53bb\u5427\u2026\u2026<\/p>\n<p>\u6d4b\u8bd5\u4e2d\u53ea\u6709\u00a0Firefox\u3001Opera\u00a0\u548c\u00a0IE\u00a0\u4f1a\u5c06\u00a0POST\u00a0\u8bf7\u6c42\u91cd\u5b9a\u5411\u5230\u65b0\u7684\u5730\u5740\uff0c\u5176\u4e2d\u00a0Firefox\u00a0\u548c\u00a0Opera\u00a0\u4f1a\u8ba9\u7528\u6237\u9009\u62e9\u662f\u5426\u91cd\u65b0\u53d1\u9001\u8868\u5355\u5230\u65b0\u7684\u5730\u5740\uff0c\u800c\u00a0IE\u00a0\u5219\u662f\u4e0d\u7ecf\u7528\u6237\u9009\u62e9\u76f4\u63a5\u628a\u8868\u5355\u91cd\u65b0\u53d1\u9001\u5230\u65b0\u7684\u5730\u5740\uff0c\u76f8\u5bf9\u800c\u8a00\uff0cFirefox\u00a0\u548c\u00a0Opera\u00a0\u66f4\u5b89\u5168\u4e00\u4e9b\u3002<\/p>\n<p>\u5982\u679c\u4e00\u5b9a\u8981\u7528\u8fd9\u4e2a\u72b6\u6001\u7801\uff0c\u4e3a\u4e86\u517c\u5bb9\u90a3\u4e9b\u4e2a\u4e0d\u8ba4\u8bc6\u5b83\u7684\u6d4f\u89c8\u5668\uff0c\u670d\u52a1\u7aef\u9700\u8981\u5728\u54cd\u5e94\u5185\u5bb9\u4e2d\u52a0\u4e2a\u6307\u5411\u65b0\u5730\u5740\u7684\u8d85\u94fe\u63a5\uff0c\u518d\u52a0\u4e2a\u8bf4\u660e\u5565\u7684\uff0c\u8bf4\u660e\u4e00\u4e0b\u600e\u4e48\u7528\u8fd9\u4e2a\u65b0\u7684\u5730\u5740\u3002anyway\uff0c\u5c11\u7528\u4e3a\u4e0a\u3002<\/p>\n<p><strong>\u540e\u8bb0<\/strong><\/p>\n<p>3xx\u00a0\u91cd\u5b9a\u5411\u7cfb\u5217\u7528\u5f97\u76f8\u5f53\u5e7f\u6cdb\uff0c301\u3001302\u3001304\u00a0\u8fd9\u4e09\u4e2a\u7528\u5f97\u6700\u591a\u3002\u7279\u522b\u9700\u8981\u6ce8\u610f\u7684\u662f\u00a0POST\u00a0\u7684\u6570\u636e\u5728\u76ee\u524d\u6765\u8bf4\u57fa\u672c\u4e0a\u662f\u65e0\u6cd5\u76f4\u63a5\u91cd\u5b9a\u5411\u5230\u4e00\u4e2a\u65b0\u7684\u5730\u5740\u7684\u3002<\/p>\n<p>ps.\u00a0\u7528\u597d\u00a0304\u00a0\u5f88\u91cd\u8981\uff1a\uff09<\/p>\n<p><strong>\u7cfb\u5217\u76ee\u5f55<\/strong><\/p>\n<p><a href=\"http:\/\/www.xujiwei.com\/blog\/?id=884\">Learn\u00a0HTTP\u00a01.1\u00a0Status\u00a0Code\u00a0Part.1<\/a><\/p>\n<p class=\"articletags\">\u6807\u7b7e\uff1a<a title=\"\u67e5\u770b\u5173\u4e8e \u201cHTTP Status Code\u201d \u7684\u6240\u6709\u6587\u7ae0\" href=\".\/?tag=HTTP+Status+Code\">HTTP Status Code<\/a> <a title=\"\u67e5\u770b\u5173\u4e8e \u201c\u72b6\u6001\u7801\u201d \u7684\u6240\u6709\u6587\u7ae0\" href=\".\/?tag=%E7%8A%B6%E6%80%81%E7%A0%81\">\u72b6\u6001\u7801<\/a><\/p>\n<p class=\"post-comments\">Comments (0), Views (1091), Pings (0), <a href=\"#commenttitle\">Leave a response!<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Learn\u00a0HTTP\u00a01.1\u00a0Status\u00a0Code\u00a0Part.2 by\u00a0xuj &hellip;<\/p>\n<p class=\"read-more\"><a href=\"https:\/\/xujiwei.com\/blog\/2008\/12\/learn-http-status-code-part-2\/\">\u7ee7\u7eed\u9605\u8bfb &raquo;<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11],"tags":[104,105],"_links":{"self":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts\/162"}],"collection":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/comments?post=162"}],"version-history":[{"count":0,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts\/162\/revisions"}],"wp:attachment":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/media?parent=162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/categories?post=162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/tags?post=162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}