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      \u89c4\u5219<\/td>\u6d88\u606f\u62a5\u5934<\/td>\u503c\/\u793a\u4f8b<\/td>\u7c7b\u578b<\/td>\u4f5c\u7528<\/td><\/tr>
      \u65b0\u9c9c\u5ea6<\/td>Pragma<\/td>no-cache<\/td>\u54cd\u5e94<\/td>\u544a\u8bc9\u6d4f\u89c8\u5668\u5ffd\u7565\u8d44\u6e90\u7684\u7f13\u5b58\u526f\u672c\uff0c\u6bcf\u6b21\u8bbf\u95ee\u90fd\u9700\u8981\u53bb\u670d\u52a1\u5668\u62c9\u53d6\u3010http1.0\u4e2d\u5b58\u5728\u7684\u5b57\u6bb5\uff0c\u5728http1.1\u5df2\u88ab\u629b\u5f03\uff0c\u4f7f\u7528Cache-Control\u66ff\u4ee3\uff0c\u4f46\u4e3a\u4e86\u505ahttp\u534f\u8bae\u7684\u5411\u4e0b\u517c\u5bb9\uff0c\u5f88\u591a\u7f51\u7ad9\u4f9d\u65e7\u4f1a\u5e26\u4e0a\u8fd9\u4e2a\u5b57\u6bb5\u3011<\/td><\/tr>
      <\/td>Expires<\/td>Mon, 15 Aug 2016 03:56:47 GMT<\/td>\u54cd\u5e94<\/td>\u542f\u7528\u7f13\u5b58\u548c\u5b9a\u4e49\u7f13\u5b58\u65f6\u95f4\u3002\u544a\u8bc9\u6d4f\u89c8\u5668\u8d44\u6e90\u7f13\u5b58\u8fc7\u671f\u65f6\u95f4\uff0c\u5982\u679c\u8fd8\u6ca1\u8fc7\u8be5\u65f6\u95f4\u70b9\u5219\u4e0d\u53d1\u8bf7\u6c42\u3010http1.0\u4e2d\u5b58\u5728\u7684\u5b57\u6bb5\uff0c\u8be5\u5b57\u6bb5\u6240\u5b9a\u4e49\u7684\u7f13\u5b58\u65f6\u95f4\u662f\u76f8\u5bf9\u670d\u52a1\u5668\u4e0a\u7684\u65f6\u95f4\u800c\u8a00\u7684\uff0c\u5982\u679c\u5ba2\u6237\u7aef\u4e0a\u7684\u65f6\u95f4\u8ddf\u670d\u52a1\u5668\u4e0a\u7684\u65f6\u95f4\u4e0d\u4e00\u81f4\uff08\u7279\u522b\u662f\u7528\u6237\u4fee\u6539\u4e86\u81ea\u5df1\u7535\u8111\u7684\u7cfb\u7edf\u65f6\u95f4\uff09\uff0c\u90a3\u7f13\u5b58\u65f6\u95f4\u53ef\u80fd\u5c31\u6ca1\u5565\u610f\u4e49\u4e86\u3002\u5728HTTP 1.1\u7248\u5f00\u59cb\uff0c\u4f7f\u7528Cache-Control: max-age=\u79d2\u66ff\u4ee3\u3011<\/td><\/tr>
      <\/td>Cache-Control<\/td>no-cache<\/td>\u54cd\u5e94<\/td>\u544a\u8bc9\u6d4f\u89c8\u5668\u5ffd\u7565\u8d44\u6e90\u7684\u7f13\u5b58\u526f\u672c\uff0c\u5f3a\u5236\u6bcf\u6b21\u8bf7\u6c42\u76f4\u63a5\u53d1\u9001\u7ed9\u670d\u52a1\u5668\uff0c\u62c9\u53d6\u8d44\u6e90\uff0c\u4f46\u4e0d\u662f\u201c\u4e0d\u7f13\u5b58\u201d<\/td><\/tr>
      <\/td><\/td>no-store<\/td>\u54cd\u5e94<\/td>\u5f3a\u5236\u7f13\u5b58\u5728\u4efb\u4f55\u60c5\u51b5\u4e0b\u90fd\u4e0d\u8981\u4fdd\u7559\u4efb\u4f55\u526f\u672c<\/td><\/tr>
      <\/td><\/td>max-age=[\u79d2]<\/td>\u54cd\u5e94<\/td>\u6307\u660e\u7f13\u5b58\u526f\u672c\u7684\u6709\u6548\u65f6\u957f\uff0c\u4ece\u8bf7\u6c42\u65f6\u95f4\u5f00\u59cb\u5230\u8fc7\u671f\u65f6\u95f4\u4e4b\u95f4\u7684\u79d2\u6570<\/td><\/tr>
      <\/td><\/td>public<\/td>\u54cd\u5e94<\/td>\u4efb\u4f55\u8def\u5f84\u7684\u7f13\u5b58\u8005\uff08\u672c\u5730\u7f13\u5b58\u3001\u4ee3\u7406\u670d\u52a1\u5668\uff09\uff0c\u53ef\u4ee5\u65e0\u6761\u4ef6\u7684\u7f13\u5b58\u8be5\u8d44\u6e90<\/td><\/tr>
      <\/td><\/td>private<\/td>\u54cd\u5e94<\/td>\u53ea\u9488\u5bf9\u5355\u4e2a\u7528\u6237\u6216\u8005\u5b9e\u4f53\uff08\u4e0d\u540c\u7528\u6237\u3001\u7a97\u53e3\uff09\u7f13\u5b58\u8d44\u6e90<\/td><\/tr>
      <\/td>Last-Modified<\/td>Mon, 15 Aug 2016 03:56:47 GMT<\/td>\u54cd\u5e94<\/td>\u544a\u8bc9\u6d4f\u89c8\u5668\u8fd9\u4e2a\u8d44\u6e90\u6700\u540e\u7684\u4fee\u6539\u65f6\u95f4\u3002\u670d\u52a1\u5668\u5c06\u8d44\u6e90\u4f20\u9012\u7ed9\u5ba2\u6237\u7aef\u65f6\uff0c\u4f1a\u5c06\u8d44\u6e90\u6700\u540e\u66f4\u6539\u7684\u65f6\u95f4\u4ee5\u201cLast-Modified: GMT\u201d\u7684\u5f62\u5f0f\u52a0\u5728\u5b9e\u4f53\u9996\u90e8\u4e0a\u4e00\u8d77\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3010\u53ea\u80fd\u7cbe\u786e\u5230\u79d2\u7ea7\uff0c\u5982\u679c\u67d0\u4e9b\u6587\u4ef6\u57281\u79d2\u949f\u4ee5\u5185\uff0c\u88ab\u4fee\u6539\u591a\u6b21\u7684\u8bdd\uff0c\u5b83\u5c06\u4e0d\u80fd\u51c6\u786e\u6807\u6ce8\u6587\u4ef6\u7684\u4fee\u6539\u65f6\u95f4\u3011<\/td><\/tr>
      <\/td>If-Modified-Since<\/td>Mon, 15 Aug 2016 03:56:47 GMT<\/td>\u8bf7\u6c42<\/td>\u5176\u503c\u4e3a\u4e0a\u6b21\u54cd\u5e94\u5934\u7684Last-Modified\u503c\uff0c\u518d\u6b21\u5411web\u670d\u52a1\u5668\u8bf7\u6c42\u65f6\u5e26\u4e0a\u5934If-Modified-Since\u3002web\u670d\u52a1\u5668\u6536\u5230\u8bf7\u6c42\u540e\u53d1\u73b0\u6709\u5934If-Modified-Since\u5219\u4e0e\u88ab\u8bf7\u6c42\u8d44\u6e90\u7684\u6700\u540e\u4fee\u6539\u65f6\u95f4\u8fdb\u884c\u6bd4\u5bf9\u3002\u82e5\u6700\u540e\u4fee\u6539\u65f6\u95f4\u8f83\u65b0\uff0c\u8bf4\u660e\u8d44\u6e90\u53c8\u88ab\u6539\u52a8\u8fc7\uff0c\u5219\u54cd\u5e94\u6574\u7247\u8d44\u6e90\u5185\u5bb9\uff08\u5199\u5728\u54cd\u5e94\u6d88\u606f\u5305\u4f53\u5185\uff09\uff0c\u5305\u62ec\u66f4\u65b0Last-Modified\u7684\u503c\uff0cHTTP 200\uff1b\u82e5\u6700\u540e\u4fee\u6539\u65f6\u95f4\u8f83\u65e7\uff0c\u8bf4\u660e\u8d44\u6e90\u65e0\u65b0\u4fee\u6539\uff0c\u5219\u54cd\u5e94HTTP 304(\u65e0\u9700\u8bf7\u6c42\uff0c\u8282\u7701\u6d4f\u89c8)\uff0c\u544a\u77e5\u6d4f\u89c8\u5668\u7ee7\u7eed\u4f7f\u7528\u6240\u4fdd\u5b58\u7684cache<\/td><\/tr>
      \u6821\u9a8c\u503c<\/td>ETag<\/td>“fd56273325a2114818df4f29a628226d”<\/td>\u54cd\u5e94<\/td>\u544a\u8bc9\u6d4f\u89c8\u5668\u5f53\u524d\u8d44\u6e90\u5728\u670d\u52a1\u5668\u7684\u552f\u4e00\u6807\u8bc6\u7b26\uff08\u751f\u6210\u89c4\u5219\u7531\u670d\u52a1\u5668\u51b3\u5b9a\uff09<\/td><\/tr>
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        • post \u8bf7\u6c42\u65e0\u6cd5\u88ab\u7f13\u5b58\u3002<\/li>
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          \u539f\u6587\u5730\u5740:https:\/\/www.toutiao.com\/article\/6997203740633760270\/?group_id=6997203740633760270<\/p>\n","protected":false},"excerpt":{"rendered":"
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