{"id":1871,"date":"2018-05-28T17:39:48","date_gmt":"2018-05-28T09:39:48","guid":{"rendered":"https:\/\/feizhaojun.com\/?p=1871"},"modified":"2022-01-18T16:40:50","modified_gmt":"2022-01-18T08:40:50","slug":"web%e5%ae%a2%e6%88%b7%e7%ab%af%e7%bc%93%e5%ad%98%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/feizhaojun.com\/?p=1871","title":{"rendered":"web\u5ba2\u6237\u7aef\u7f13\u5b58\u673a\u5236"},"content":{"rendered":"

Readme<\/h2>\n

\u5982\u679c\u4f60\u5df2\u7ecf\u719f\u6089\u5ba2\u6237\u7aef\u7684\u7f13\u5b58\u673a\u5236\uff0c\u53ef\u4ee5\u76f4\u63a5\u8df3\u8fc7\uff0c\u770b\u6700\u540e\u4e00\u8282\u7684\u4ee3\u7801\u89c4\u8303\u3002<\/p>\n

Bug \u573a\u666f<\/h2>\n

\u6bd4\u5982\u6211\u4eec\u5728\u670d\u52a1\u5668\u53d1\u5e03\u4e86\u4e00\u4e2a\u9875\u9762\uff1ahttp:\/\/domain.com\/cate\/page.html<\/p>\n

\u5728\u8fd9\u4e2a\u9875\u9762\u5f53\u4e2d\u6211\u4eec\u5f15\u5165\u4e86\u4e00\u4e2a\u6837\u5f0f\u6587\u4ef6 style.css<\/p>\n

    <link rel=\"stylesheet\" type=\"text\/css\" href=\".\/css\/style.css\" \/>\n<\/code><\/pre>\n
\u8fd9\u65f6\u5019\u4ea7\u54c1\u7ecf\u7406\u544a\u8bc9\u4f60\uff0c\u9875\u9762\u9700\u8981\u628a\u80cc\u666f\u6362\u6210\u7070\u8272\u3002\u4e8e\u662f\u4f60\u8fc5\u901f\u628a\u4fee\u6539\u540e\u7684 style.css \u4ea4\u7ed9\u4e86\u53d1\u5e03\uff0c\u7b49\u53d1\u5e03\u7684\u540c\u4e8b\u8bf4OK\u4e86\u4e4b\u540e\u4f60\u6b23\u559c\u96c0\u8dc3\u7684\u544a\u8bc9\u4ea7\u54c1\uff1a\u6539\u5b8c\u4e86\uff01<\/p>\n
\u4ea7\u54c1\u6253\u5f00\u6d4f\u89c8\u5668\uff0c\u5237\u65b0\u4e86 page.html \u5e76\u6ca1\u6709\u770b\u5230\u4fee\u6539\u540e\u7684\u6548\u679c\u3002<\/p>\n
\u4e8e\u662f\u4f60\u53c8\u4e0d\u5f97\u4e0d\u544a\u8bc9\u4ea7\u54c1\u8bf4\uff1aCtrl+F5\u8bd5\u8bd5\uff1f<\/strong><\/p>\n
\u5982\u679c\u8fd9\u662f\u4e00\u4e2a\u79fb\u52a8\u7aef\u9875\u9762<\/strong>\uff0c\u90a3\u5c31\u6ca1\u6709\u529e\u6cd5\u7ed9\u4ea7\u54c1\u7ecf\u7406\u7684iPhone\u4e0a\u88c5\u4e00\u4e2a Ctrl \u548c F5 \u952e\u4e86\u3002<\/p>\n
\u95ee\u9898\u539f\u56e0<\/h2>\n
\u7b80\u5355\u6765\u8bb2\uff0c\u5f53\u4f60\u8bbf\u95ee\u4e00\u4e2a\u9875\u9762\u7684\u65f6\u5019\uff0c\u9875\u9762\u5f15\u5165\u7684\u8d44\u6e90\uff08assets\uff09\u4ee5\u53ca\u9875\u9762\u81ea\u8eab\u90fd\u4f1a\u88ab\u6d4f\u89c8\u5668\u4e0b\u8f7d\u5230\u4f60\u81ea\u5df1\u7684\u7535\u8111\u4e0a\u3002\u5f53\u4f60\u518d\u6b21<\/strong>\u8bbf\u95ee\u540c\u4e00\u4e2a\u9875\u9762\uff0c\u4f60\u7535\u8111\u7684\u6d4f\u89c8\u5668\u4f1a\u5148\u4ece\u4f60\u7535\u8111\u4e2d\u67e5\u627e\u4e0a\u4e00\u6b21\u7684\u201c\u8bbf\u95ee\u75d5\u8ff9\u201d\uff0c\u5982\u679c\u6709\u8fd9\u4e2a\u6587\u4ef6\u8bb0\u5f55\uff0c\u5c31\u4e0d\u4f1a<\/strong>\u53bb\u670d\u52a1\u5668\u8bf7\u6c42\u8fd9\u4e2a\u6587\u4ef6\u3002<\/p>\n
\u9875\u9762\u4e2d\u7684\u56fe\u7247\uff0c\u97f3\u89c6\u9891\uff0c\u5916\u5f15js\u811a\u672c\u3001css\u6587\u4ef6\u90fd\u4f1a\u88ab\u7f13\u5b58\u3002<\/p>\n
\u5f53\u7136\uff0c\u670d\u52a1\u5668\u7aef\u4e5f\u4f1a\u6709\u7f13\u5b58\uff0c\u8fd9\u65f6\u5019\u901a\u8fc7 Ctrl+F5 \u5c31\u65e0\u6548\u4e86\uff08\u672c\u6587\u4e0d\u505a\u8ba8\u8bba\uff09\u3002<\/p>\n
\u4e3a\u4ec0\u4e48\u8981\u7f13\u5b58<\/h2>\n
    \n
  1. \u7528\u6237\u4e0d\u9700\u8981\u6bcf\u6b21\u6d4f\u89c8\u90fd\u91cd\u65b0\u53bb\u670d\u52a1\u5668\u53d6\u6587\u4ef6\uff0c\u4e3a\u670d\u52a1\u5668\u51cf\u8f7b\u4e86\u534a\u6570\u4ee5\u4e0a\u7684\u538b\u529b\u3002<\/li>\n
  2. \n
    \u4ece\u7528\u6237\u89d2\u5ea6\uff0c\u5927\u5927\u7f29\u77ed\u4e86\u7f51\u9875\u7684\u52a0\u8f7d\u65f6\u95f4\u3002<\/p>\n<\/li>\n<\/ol>\n
    \u7f13\u5b58\u89c4\u5219<\/h2>\n
    \u95ee\u9898\u6765\u4e86\uff0c\u5982\u679c\u6d4f\u89c8\u5668\u7f13\u5b58\u4e86\u6587\u4ef6\uff0c\u670d\u52a1\u5668\u6587\u4ef6\u6709\u4e86\u66f4\u65b0\uff0c\u600e\u4e48\u901a\u77e5\u6d4f\u89c8\u5668\u66f4\u65b0\u6587\u4ef6\u5462\uff1f<\/p>\n
    1 \u7f13\u5b58\u65f6\u6548<\/h5>\n
    \u6211\u4eec\u53ef\u4ee5\u5728 http \u5934\u4fe1\u606f\uff08header\uff09\u91cc\u9762\u8bbe\u5b9a\u8be5\u6587\u4ef6\u7f13\u5b58\u7684\u6709\u6548\u671f\u3002<\/p>\n
    \u6253\u5f00 Chrome \u7684\u63a7\u5236\u53f0\uff0c\u67e5\u770b\u7f51\u7edc\u8bf7\u6c42\uff0c\u6211\u4eec\u4f1a\u770b\u5230\u5982\u4e0b\u4fe1\u606f\u3002<\/p>\n
    \"image\"<\/p>\n
    \u5176\u4e2d\uff0cExpires \u548c Cache-Control \u5b57\u6bb5\u63a7\u5236\u7740\u8fd9\u4e2a\u6587\u4ef6\u5728\u6d4f\u89c8\u5668\u7f13\u5b58\u7684\u5931\u6548\u3002Expires \u6307\u5728\u8fd9\u4e2a\u65f6\u95f4\u70b9\u4ee5\u524d\uff0c\u8fd9\u4e2a\u6587\u4ef6\u7f13\u5b58\u90fd\u662f\u6709\u6548\u7684\u3002Cache-Control \u4e2d\u7684 max-age \u662f\u8bf4\u4ece Date \u5b57\u6bb5\u7684\u65f6\u95f4\u5f00\u59cb\u7b97\uff0c43200 \u79d2\u4ee5\u5185\uff0c\u8fd9\u4e2a\u6587\u4ef6\u7f13\u5b58\u662f\u6709\u6548\u7684\u3002<\/p>\n
    Expires \u662f HTTP1.0 \u5c31\u6709\u7684\uff0cmax-age \u662f HTTP1.1 \u63d0\u51fa\u7684\uff0c\u6240\u4ee5\u4f4e\u7248\u672c\u6d4f\u89c8\u5668\u4e0d\u652f\u6301 max-age\u3002~~max-age \u6bd4 Expires \u66f4\u597d\uff08\u56e0\u4e3a\u4e00\u4e2a\u65f6\u95f4\u957f\u5ea6\u6bd4\u5199\u6b7b\u4e00\u4e2a\u65f6\u95f4\u70b9\u66f4\u6709\u7075\u6d3b\u6027\uff0c\u4e5f\u66f4\u7b26\u5408\u201c\u6709\u6548\u671f\u201d\u7684\u903b\u8f91\uff09\uff0c\u4f18\u5148\u7ea7\u66f4\u9ad8\u3002~~<\/p>\n
    Expires \u8be6\u60c5<\/a><\/p>\n
    Cache-Control \u8be6\u60c5<\/a><\/p>\n
    \u8fd9\u4e24\u4e2a\u503c\u5728 html \u9875\u9762\u4e2d\u90fd\u662f\u53ef\u4ee5\u8bbe\u7f6e\u7684\u3002\u5728 html \u7684 meta http-equiv \u4e2d\u53ef\u4ee5\u8bbe\u7f6e\u6587\u4ef6\u7684\u5934\u4fe1\u606f\u3002\u5982\uff1a<\/p>\n
    <meta http-equiv=\"expires\" content=\"1 Nov 2017\" \/>\n<\/code><\/pre>\n
    \u6211\u4eec\u4e5f\u53ef\u4ee5\u8bbe\u7f6e\u4e0d\u7f13\u5b58\u8fd9\u4e2a\u9875\u9762\uff0c\u5982\uff1a<\/p>\n
    <meta http-equiv=\"cache-control\" content=\"no-cache\">\n<\/code><\/pre>\n
    \u540e\u7aef\u8bed\u8a00\u5728\u8f93\u51fa html \u7684\u65f6\u5019\u4e5f\u53ef\u4ee5\u8bbe\u7f6e\u76f8\u5e94\u7684\u5934\u4fe1\u606f\uff08header\uff09\u6765\u63a7\u5236\u7f13\u5b58\u3002\u4e0b\u9762\u662f\u4e00\u4e2a JSP \u793a\u4f8b\uff1a<\/p>\n
    <%\nresponse.setHeader(\"expires\",\"sat,6 May 1995 12:00:00 GMT\"); \/\/\u5c06expire\u65f6\u95f4\u8bbe\u7f6e\u4e3a\u4e00\u4e2a\u8fc7\u53bb\u65f6\u95f4\u62160\uff0c-1\u7b49\nresponse.setHeader(\"cache-control\",\"no-store,no-cache,must-revalidadate\"); \/\/\u8bbe\u7f6eHTTP\/1.1 cache-control\u5934\nresponse.addHeader(\"cache-control\", \"post-check=0,pre-check=0\"); \/\/\u8bbe\u7f6eIE \u6269\u5c55HTTP\/1.1 no-cache header\nresponse.setHeader(\"Pragma\", \"no-cache\"); \/\/\u8bbe\u7f6e\u6807\u51c6HTTP\/1.0 no-cache header\n%>\n\n<\/code><\/pre>\n
    \u4f46\u662f\u5982\u679c\u662f\u5176\u4ed6\u8d44\u6e90\u6587\u4ef6\uff08css\u3001img\u3001js\u7b49\uff09\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7web\u670d\u52a1\u5668\u914d\u7f6e\u6765\u8bbe\u7f6e\uff0c\u6bd4\u5982 Nginx \u53ef\u4ee5\u901a\u8fc7\u5728 .conf \u6587\u4ef6\u4e2d\u8bbe\u7f6e Expires\u3002\u4e0b\u9762\u4ee3\u7801\u5206\u522b\u4e3a\u56fe\u7247\u8bbe\u7f6e30\u5929\u7f13\u5b58\u3001\u4e3a js \u548c css \u8bbe\u7f6e12\u5c0f\u65f6\u7f13\u5b58\uff1a<\/p>\n
    location ~ .*\\.(gif|jpg|jpeg|png|bmp|swf)$ {\n    expires      30d;\n}\n\nlocation ~ .*\\.(js|css)?$ {\n    expires      12h;\n}\n<\/code><\/pre>\n
    \u90a3\u4e48\uff0c\u662f\u4e0d\u662f\u7f13\u5b58\u8fc7\u671f\u4e86\uff0c\u6d4f\u89c8\u5668\u5c31\u4f1a\u53bb\u670d\u52a1\u5668\u91cd\u65b0\u8bf7\u6c42\u4e00\u4efd\u65b0\u7684\u6587\u4ef6\u5462\uff1f\u5176\u5b9e\u4e5f\u4e0d\u662f\u7684\u3002\u5f53\u7f13\u5b58\u8fc7\u671f\uff0c\u6d4f\u89c8\u5668\u4f1a\u643a\u5e26\u5934\u4fe1\u606f\u53bb\u4e0e\u670d\u52a1\u5668\u7684\u8be5\u6587\u4ef6\u8fdb\u884c\u6bd4\u5bf9\u3002\u5982\u679c\u6709\u66f4\u65b0\uff0c\u5c31\u8fd4\u56de\u72b6\u6001\u7801 200\uff0c\u91cd\u65b0\u8bf7\u6c42\u6587\u4ef6\u3002\u5982\u679c\u670d\u52a1\u5668\u6587\u4ef6\u6ca1\u6709\u66f4\u65b0\uff0c\u5c31\u4f1a\u8fd4\u56de\u72b6\u6001\u7801 304\uff0c\u6d4f\u89c8\u5668\u4f9d\u65e7\u4f7f\u7528\u7f13\u5b58\u4e2d\u7684\u6587\u4ef6\uff0c\u8fd9\u6837\u5c31\u4e0d\u9700\u8981\u518d\u4ece\u670d\u52a1\u5668\u4e0b\u8f7d\u4e00\u4efd http \u7684\u4e3b\u4f53\u4fe1\u606f\uff08body\uff09\u3002<\/p>\n
    2 \u72b6\u6001\u7801 304<\/h5>\n
    \u5982\u679c\u7f13\u5b58\u5df2\u7ecf\u8fc7\u671f\uff0c\u6d4f\u89c8\u5668\u5728 Request \u7684\u65f6\u5019\uff0c\u643a\u5e26 ETag \u548c Last-Modified \u4e0e\u670d\u52a1\u5668\u7684\u6587\u4ef6\u8fdb\u884c\u6bd4\u5bf9\u3002<\/p>\n
    \"image\"<\/p>\n
    \u5982\u679c\u670d\u52a1\u5668\u7684\u6587\u4ef6\u5728 Last-Modified\uff08\u4e0a\u6b21\u4fee\u6539\uff09\u4e4b\u540e\u66f4\u65b0\u4e86\u670d\u52a1\u5668\u7aef\u7684\u6587\u4ef6\uff0c\u5c31\u4f1a\u91cd\u65b0\u4e0b\u8f7d\u6587\u4ef6\u4e3b\u4f53\u4fe1\u606f\uff0c\u5982\u679c\u6ca1\u6709\u4fee\u6539\uff0c\u670d\u52a1\u5668\u8fd4\u56de\u72b6\u6001\u7801 304\uff0c\u4f9d\u65e7\u4ece\u7f13\u5b58\u8bfb\u53d6\u6587\u4ef6\u3002<\/p>\n
    ETag \u662f\u670d\u52a1\u5668\u8d44\u6e90\u7684\u552f\u4e00\u6807\u8bc6\u7b26\uff0c\u6bd4\u5bf9\u7684\u4f18\u5148\u7ea7\u9ad8\u4e8e Last-Modified\u3002<\/p>\n
    ETag \u8be6\u60c5<\/a><\/p>\n
    \u65e0\u8bba\u662f Last-Modified \u8fd8\u662f Etag\uff0c\u53ef\u4ee5\u51cf\u5c11\u4f20\u8f93\u6210\u672c\uff0c\u4f46\u662f\u4e0d\u4f1a\u51cf\u5c11 http \u8bf7\u6c42\u6570\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u670d\u52a1\u5668\u7684\u5e76\u53d1\u6570\u4e0d\u4f1a\u5c11\u3002<\/p>\n
    \u53e6\u5916\uff0c\u524d\u9762\u63d0\u5230\u7684 Cache-control \u4e2d max-age=0 \u8868\u793a\u7f13\u5b58\u7acb\u9a6c\u8fc7\u671f\uff0c\u8bf7\u6c42\u670d\u52a1\u5668\u4f1a\u8fd4\u56de 304\uff08\u6709\u7f13\u5b58\u7684\u524d\u63d0\uff09\u3002Cache-Control \u503c\u4e3a no cache \u8868\u793a\u603b\u662f\u8bf7\u6c42\u670d\u52a1\u5668\u6700\u65b0\u6587\u4ef6\uff0c\u4e0d\u4f1a\u8fd4\u56de 304\u3002<\/p>\n
    3 \u72b6\u6001\u7801 200<\/h5>\n
    \u72b6\u6001\u7801 200 \u662f\u8bf7\u6c42\u6210\u529f\uff0c\u8fd9\u91cc\u4e0d\u662f\u8bf4\u670d\u52a1\u5668\u8bf7\u6c42\u6210\u529f\uff0c\u4e5f\u5305\u542b\u4e86\u4ece\u7f13\u5b58\u6587\u4ef6\u8bf7\u6c42\u6210\u529f\u3002<\/p>\n
    \u5728 Chrome \u6d4f\u89c8\u5668\uff0c\u6211\u4eec\u8fd8\u4f1a\u53d1\u73b0\uff0c\u72b6\u6001\u7801\u662f 200 \u7684\u6587\u4ef6\uff0c\u4e5f\u4f1a\u6709 from memory cache\uff08\u7f13\u5b58\u5230\u5185\u5b58\uff09 \u548c from disk cache\uff08\u7f13\u5b58\u5230\u672c\u5730\u786c\u76d8\uff09 \u4e24\u79cd\u60c5\u51b5\uff1a<\/p>\n
    \"image\"<\/p>\n
    \u7f13\u5b58\u5230\u5185\u5b58\uff08memory\uff09\u4e2d\u7684\u6587\u4ef6\uff0c\u52a0\u8f7d\u7684\u65f6\u95f4\u51e0\u4e4e\u662f\u77ac\u95f4\u3002<\/p>\n
    \u81f3\u4e8e Chrome \u5982\u4f55\u533a\u5206 from memory cache \u548c from disk cache\uff0c\u76ee\u524d\u6211\u4e5f\u4e0d\u77e5\u9053\u3002<\/p>\n
    3 \u4e3a\u4ec0\u4e48 html \u9875\u9762\u5f88\u5c11\u9047\u5230\u6587\u4ef6\u4e0d\u66f4\u65b0\u7684 bug\uff1f<\/h5>\n
    \u6211\u4eec\u9047\u5230\u4e0d\u66f4\u65b0\u7684 bug \u7684\u65f6\u5019\uff0c\u591a\u6570\u662f\u9875\u9762\u5916\u5f15\u7684css\u548cjs\uff0c\u800c\u9875\u9762\u672c\u8eab\u505a\u4e86\u4fee\u6539\uff0c\u53ea\u9700\u8981\u5237\u65b0\u4e00\u4e0b\u5c31\u53ef\u4ee5\u66f4\u65b0\uff0c\u5e76\u4e0d\u9700\u8981 Ctrl+F5 \u5f3a\u5236\u5237\u65b0\u3002<\/p>\n
    \u8fd9\u662f\u56e0\u4e3a\u70b9\u51fb\u6d4f\u89c8\u5668\u7684\u5237\u65b0\u6309\u94ae\uff08\u5305\u62ec\u5fae\u4fe1\u6d4f\u89c8\u5668->\u53f3\u4e0a\u89d2->\u5237\u65b0\uff09\uff0c\u6216\u8005\u65b0\u5f00\u7a97\u53e3\uff0c\u6216\u8005\u5730\u5740\u680f\u6572\u56de\u8f66\uff0c\u90fd\u4f1a\u91cd\u65b0\u8bf7\u6c42 html \u9875\u9762\uff08IE8\u4ee5\u4e0b\u53ef\u80fd\u6709\u51fa\u5165\uff0c\u4f46\u662f\u5237\u65b0\u6309\u94ae\u80af\u5b9a\u4f1a\u91cd\u8bf7\u6c42\uff09\u3002<\/p>\n
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