{"id":61809,"date":"2026-01-18T16:49:41","date_gmt":"2026-01-18T08:49:41","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/61809.html"},"modified":"2026-01-18T16:49:41","modified_gmt":"2026-01-18T08:49:41","slug":"http%e7%bc%93%e5%ad%98%e6%9c%ba%e5%88%b6%e8%af%a6%e7%bb%86%e8%ae%b2%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/61809.html","title":{"rendered":"HTTP\u7f13\u5b58\u673a\u5236\u8be6\u7ec6\u8bb2\u89e3"},"content":{"rendered":"<h3>\u4e00\u3001HTTP\u7f13\u5b58\u673a\u5236\u7684\u57fa\u672c\u6982\u5ff5<\/h3>\n<li>\n<p>\u672c\u8d28&#xff1a;\u5bf9\u4e8e\u4e00\u4e9b\u5177\u6709\u91cd\u590d\u6027\u7684HTTP\u8bf7\u6c42&#xff0c;\u4ed6\u4eec\u8bf7\u6c42\u5f97\u5230\u7684\u6570\u636e\u90fd\u662f\u4e00\u6837\u7684&#xff0c;\u6211\u4e48\u4eec\u53ef\u4ee5\u628a\u8fd9\u5bf9\u3010\u8bf7\u6c42-\u54cd\u5e94\u3011\u7684\u6570\u636e\u7f13\u5b58\u5728\u672c\u5730&#xff0c;\u90a3\u4e48\u4e0b\u6b21\u5c31\u76f4\u63a5\u8bfb\u53d6\u672c\u5730\u7684\u6570\u636e&#xff0c;\u4e0d\u5fc5\u5728\u901a\u8fc7\u7f51\u7edc\u83b7\u53d6\u670d\u52a1\u5668\u7684\u54cd\u5e94\u4e86\u3002\u8fd9\u6837\u51cf\u5c11\u4e86\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7684\u4ea4\u4e92\u6b21\u6570&#xff0c;\u63d0\u5347\u54cd\u5e94\u901f\u5ea6&#xff0c;\u964d\u4f4e\u670d\u52a1\u5668\u8d1f\u8f7d\u3002<\/p>\n<\/li>\n<li>\n<p>\u53c2\u4e0e\u89d2\u8272<\/p>\n<ul>\n<li>\u7f13\u5b58\u5c42&#xff1a;\u6d4f\u89c8\u5668\u3001CDN\u3001\u4ee3\u7406\u670d\u52a1\u5668&#xff08;\u51b3\u5b9a\u662f\u5426\u76f4\u63a5\u4f7f\u7528\u672c\u5730\u7f13\u5b58&#xff09;\u3002<\/li>\n<li>\u6e90\u670d\u52a1\u5668&#xff1a;\u63d0\u4f9b\u539f\u59cb\u8d44\u6e90&#xff08;\u51b3\u5b9a\u7f13\u5b58\u662f\u5426\u5931\u6548\u3001\u662f\u5426\u9700\u8981\u66f4\u65b0&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>HTTP\u7f13\u5b58\u6709\u4e24\u79cd\u5b9e\u73b0\u65b9\u5f0f&#xff0c;\u5206\u522b\u662f\u5f3a\u5236\u7f13\u5b58\u548c\u534f\u5546\u7f13\u5b58\u3002<\/p>\n<\/li>\n<h3>\u4e8c\u3001\u5f3a\u5236\u7f13\u5b58<\/h3>\n<p>\u5f3a\u5236\u7f13\u5b58\u751f\u6548\u7684\u6838\u5fc3\u662f\u7f13\u5b58\u672a\u8fc7\u671f&#043;\u65e0\u7981\u7528\u5f3a\u7f13\u5b58\u6307\u4ee4&#xff0c;\u4e8c\u8005\u7f3a\u4e00\u4e0d\u53ef&#xff0c;\u4efb\u610f\u6761\u4ef6\u4e0d\u6ee1\u8db3\u5219\u8fdb\u5165\u534f\u5546\u7f13\u5b58\u6d41\u7a0b\u3002<\/p>\n<table>\n<tr>\u5b57\u6bb5\u4f5c\u7528\u4f18\u5148\u7ea7<\/tr>\n<tbody>\n<tr>\n<td>Cache-Control: 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\u7ec4&#xff0c;\u4e24\u7ec4\u5b57\u6bb5\u914d\u5bf9\u4f7f\u7528\u3002<\/p>\n<li>ETag &amp; If-None-Match&#xff08;\u4f18\u5148\u7ea7\u66f4\u9ad8&#xff09;<\/li>\n<ul>\n<li>\u670d\u52a1\u5668\u7aef\u54cd\u5e94\u5b57\u6bb5&#xff08;\u7b2c\u4e00\u6b21\u8bf7\u6c42\u65f6\u8fd4\u56de&#xff09;&#xff1a; ETag: \u201cxxx\u201d<\/li>\n<li>\u542b\u4e49&#xff1a;\u8d44\u6e90\u7684\u552f\u4e00\u6807\u8bc6&#xff08;\u901a\u5e38\u662f\u8d44\u6e90\u5185\u5bb9\u7684\u54c8\u5e0c\u503c&#xff09;&#xff0c;\u8d44\u6e90\u5185\u5bb9\u53ea\u8981\u4fee\u6539&#xff0c; ETag  \u5c31\u4f1a\u53d8\u5316\u3002<\/li>\n<li>\u4f18\u52bf&#xff1a;\u80fd\u8bc6\u522b\u5185\u5bb9\u7684\u7ec6\u5fae\u4fee\u6539&#xff08;\u5982\u6587\u4ef6\u6539\u4e86\u4e00\u4e2a\u5b57\u7b26&#xff09;&#xff0c;\u5f25\u8865  Last-Modified  \u7684\u7cbe\u5ea6\u7f3a\u9677\u3002<\/li>\n<li>\u5ba2\u6237\u7aef\u8bf7\u6c42\u5b57\u6bb5&#xff08;\u7b2c\u4e8c\u6b21\u8bf7\u6c42\u65f6\u643a\u5e26&#xff09;&#xff1a; If-None-Match: 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If-Modified-Since: Thurs, 15 Jan 2026 10:00:00 GMT<\/li>\n<li>\u542b\u4e49&#xff1a;\u643a\u5e26\u7b2c\u4e00\u6b21\u8bf7\u6c42\u62ff\u5230\u7684  Last-Modified  \u503c&#xff0c;\u4f20\u7ed9\u670d\u52a1\u5668\u505a\u6bd4\u5bf9\u3002<\/li>\n<\/ul>\n<h5>2.\u534f\u5546\u7f13\u5b58\u7684\u5224\u65ad\u6d41\u7a0b&#xff08;\u670d\u52a1\u5668\u4fa7&#xff09;<\/h5>\n<li>\u5ba2\u6237\u7aef\u53d1\u9001\u8bf7\u6c42&#xff0c;\u643a\u5e26  If-None-Match  \u548c\/\u6216  If-Modified-Since  \u5b57\u6bb5\u3002<\/li>\n<li>\u670d\u52a1\u5668\u4f18\u5148\u6bd4\u5bf9  ETag &#xff1a;<\/li>\n<ul>\n<li>\u82e5  If-None-Match  \u503c &#061; \u670d\u52a1\u5668\u5f53\u524d\u8d44\u6e90\u7684  ETag  \u503c \u2192 \u8d44\u6e90\u672a\u66f4\u65b0 \u2192 \u8fd4\u56de 304 Not Modified \u54cd\u5e94&#xff08;\u65e0\u54cd\u5e94\u4f53&#xff0c;\u4ec5\u54cd\u5e94\u5934&#xff09;&#xff0c;\u5ba2\u6237\u7aef\u590d\u7528\u672c\u5730\u7f13\u5b58\u3002<\/li>\n<li>\u82e5\u4e0d\u76f8\u7b49 \u2192 \u8d44\u6e90\u5df2\u66f4\u65b0 \u2192 \u8fd4\u56de 200 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