{"id":210342,"date":"2023-12-22T02:18:21","date_gmt":"2023-12-21T18:18:21","guid":{"rendered":"https:\/\/www.idc.net\/help\/210342\/"},"modified":"2023-12-22T02:18:21","modified_gmt":"2023-12-21T18:18:21","slug":"wordpress%e4%bd%bf%e7%94%a8%e6%8a%80%e5%b7%a7%ef%bc%9a%e9%85%8d%e7%bd%aeetags","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/210342\/","title":{"rendered":"WordPress\u4f7f\u7528\u6280\u5de7\uff1a\u914d\u7f6eETags"},"content":{"rendered":"

WordPress\u4f7f\u7528\u6280\u5de7\uff1a\u914d\u7f6eETags<\/h1>\n

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\u4ec0\u4e48\u662fETags\uff1f<\/h2>\n

ETags\u662fEntity Tags\u7684\u7f29\u5199\uff0c\u662fHTTP\u534f\u8bae\u4e2d\u7528\u4e8e\u6807\u8bc6\u8d44\u6e90\u7684\u4e00\u79cd\u673a\u5236\u3002\u6bcf\u4e2a\u8d44\u6e90\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684ETag\u503c\uff0c\u7528\u4e8e\u8868\u793a\u8be5\u8d44\u6e90\u7684\u72b6\u6001\u3002\u5f53\u6d4f\u89c8\u5668\u8bf7\u6c42\u4e00\u4e2a\u8d44\u6e90\u65f6\uff0c\u670d\u52a1\u5668\u4f1a\u5c06\u8be5\u8d44\u6e90\u7684ETag\u503c\u53d1\u9001\u7ed9\u6d4f\u89c8\u5668\u3002\u6d4f\u89c8\u5668\u53ef\u4ee5\u5c06\u8be5ETag\u503c\u4fdd\u5b58\u8d77\u6765\uff0c\u4e0b\u6b21\u8bf7\u6c42\u8be5\u8d44\u6e90\u65f6\uff0c\u53ef\u4ee5\u5c06\u8be5ETag\u503c\u53d1\u9001\u7ed9\u670d\u52a1\u5668\uff0c\u670d\u52a1\u5668\u4f1a\u6839\u636eETag\u503c\u5224\u65ad\u8d44\u6e90\u662f\u5426\u5df2\u7ecf\u6539\u53d8\u3002<\/p>\n

\u4e3a\u4ec0\u4e48\u9700\u8981\u914d\u7f6eETags\uff1f<\/h2>\n

\u914d\u7f6eETags\u53ef\u4ee5\u5e26\u6765\u4ee5\u4e0b\u51e0\u4e2a\u597d\u5904\uff1a<\/p>\n

    \n
  1. \u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u7f51\u7edc\u6d41\u91cf\uff1a\u5f53\u8d44\u6e90\u6ca1\u6709\u6539\u53d8\u65f6\uff0c\u670d\u52a1\u5668\u53ef\u4ee5\u8fd4\u56de\u4e00\u4e2a304 Not Modified\u7684\u54cd\u5e94\uff0c\u544a\u8bc9\u6d4f\u89c8\u5668\u76f4\u63a5\u4f7f\u7528\u7f13\u5b58\u7684\u8d44\u6e90\uff0c\u800c\u4e0d\u9700\u8981\u91cd\u65b0\u4e0b\u8f7d\u3002<\/li>\n
  2. \u63d0\u9ad8\u7f51\u7ad9\u7684\u6027\u80fd\uff1a\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u7f51\u7edc\u8bf7\u6c42\u53ef\u4ee5\u51cf\u5c11\u7f51\u7ad9\u7684\u52a0\u8f7d\u65f6\u95f4\uff0c\u63d0\u9ad8\u7528\u6237\u7684\u8bbf\u95ee\u4f53\u9a8c\u3002<\/li>\n
  3. \u8282\u7701\u670d\u52a1\u5668\u8d44\u6e90\uff1a\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u7f51\u7edc\u8bf7\u6c42\u53ef\u4ee5\u51cf\u8f7b\u670d\u52a1\u5668\u7684\u8d1f\u8f7d\uff0c\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u6027\u80fd\u3002<\/li>\n<\/ol>\n

    \u5982\u4f55\u5728WordPress\u4e2d\u914d\u7f6eETags\uff1f<\/h2>\n

    \u5728WordPress\u4e2d\u914d\u7f6eETags\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u4e00\u4e9b\u4ee3\u7801\u5230\u4e3b\u9898\u7684functions.php\u6587\u4ef6\u4e2d\u5b9e\u73b0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

    <?php\nfunction add_etags_header() {\n    if (is_singular()) {\n        $etag = md5(get_the_ID() . get_the_modified_time());\n        header(\"ETag: \" . $etag);\n    }\n}\nadd_action('wp', 'add_etags_header');\n?><\/code><\/pre>\n
    \u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86WordPress\u7684add_action\u51fd\u6570\u5c06add_etags_header\u51fd\u6570\u6dfb\u52a0\u5230wp\u52a8\u4f5c\u4e2d\u3002\u5728add_etags_header\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5224\u65ad\u5f53\u524d\u9875\u9762\u662f\u5426\u4e3a\u5355\u4e2a\u9875\u9762\uff08\u6587\u7ae0\u3001\u9875\u9762\u7b49\uff09\uff0c\u7136\u540e\u6839\u636e\u6587\u7ae0\u6216\u9875\u9762\u7684ID\u548c\u4fee\u6539\u65f6\u95f4\u751f\u6210\u4e00\u4e2a\u552f\u4e00\u7684ETag\u503c\uff0c\u5e76\u5c06\u5176\u6dfb\u52a0\u5230\u54cd\u5e94\u5934\u4e2d\u3002<\/p>\n
    \u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\uff0c\u6211\u4eec\u6210\u529f\u5730\u5728WordPress\u4e2d\u914d\u7f6e\u4e86ETags\u3002\u73b0\u5728\uff0c\u5f53\u6d4f\u89c8\u5668\u8bf7\u6c42\u4e00\u4e2a\u8d44\u6e90\u65f6\uff0c\u670d\u52a1\u5668\u4f1a\u6839\u636e\u8d44\u6e90\u7684ETag\u503c\u5224\u65ad\u8d44\u6e90\u662f\u5426\u5df2\u7ecf\u6539\u53d8\uff0c\u4ece\u800c\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n
    \u603b\u7ed3<\/h2>\n
    \u914d\u7f6eETags\u662f\u4f18\u5316WordPress\u7f51\u7ad9\u6027\u80fd\u7684\u91cd\u8981\u6280\u5de7\u3002\u901a\u8fc7\u6b63\u786e\u914d\u7f6eETags\uff0c\u53ef\u4ee5\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u7f51\u7edc\u6d41\u91cf\uff0c\u63d0\u9ad8\u7f51\u7ad9\u7684\u6027\u80fd\u548c\u52a0\u8f7d\u901f\u5ea6\u3002\u5728WordPress\u4e2d\u914d\u7f6eETags\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u4e00\u4e9b\u4ee3\u7801\u5230\u4e3b\u9898\u7684functions.php\u6587\u4ef6\u4e2d\u5b9e\u73b0\u3002\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91\uff0c\u5982\u679c\u60a8\u60f3\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u914d\u7f6eETags\u7684\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684\u5b98\u7f51<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    WordPress\u4f7f\u7528\u6280\u5de7\uff1a\u914d\u7f6eETags \u5728\u6784\u5efa\u548c\u4f18\u5316WordPress\u7f51\u7ad9\u65f6\uff0c\u914d\u7f6eETags\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6280 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48],"tags":[],"class_list":["post-210342","post","type-post","status-publish","format-standard","hentry","category-wordpress"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/210342","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=210342"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/210342\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=210342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=210342"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=210342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}