{"id":268,"date":"2014-07-25T15:31:08","date_gmt":"2014-07-25T15:31:08","guid":{"rendered":"http:\/\/blog.yyhcw.com\/post\/268.html"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T07:54:17","slug":"","status":"publish","type":"post","link":"http:\/\/blog.yyhcw.com\/post\/268.html","title":{"rendered":"PHP \u9875\u9762\u56de\u9000\u7684\u4e24\u79cd\u65b9\u6cd5\u8be6\u89e3"},"content":{"rendered":"

\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u5f80\u5f80\u56e0\u4e3a\u8868\u5355\u51fa\u9519\u800c\u8fd4\u56de\u9875\u9762\u7684\u65f6\u5019\u586b\u5199\u7684\u4fe1\u606f\u90fd\u4e0d\u89c1\u4e86\uff0c\u4e3a\u4e86\u652f\u6301\u9875\u9762\u56de\u8df3\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u65b9\u6cd5\u5b9e\u73b0\u3002<\/p>\n

\u7b2c\u4e00\uff0c\u4f7f\u7528Header\u65b9\u6cd5\u8bbe\u7f6e\u6d88\u606f\u5934Cache-control<\/p>\n

header('Cache-control: private, must-revalidate');  \/\/\u652f\u6301\u9875\u9762\u56de\u8df3<\/pre>\n
\u7b2c\u4e8c\uff0c\u4f7f\u7528session_cache_limiter\u65b9\u6cd5<\/p>\n
\/\/\u6ce8\u610f\u8981\u5199\u5728session_start\u65b9\u6cd5\u4e4b\u524d <\/p>\n
session_cache_limiter('private, must-revalidate');<\/pre>\n
PS\uff1aCache-Control\u6d88\u606f\u5934\u57df\u8bf4\u660e<\/p>\n
Cache-Control\u6307\u5b9a\u8bf7\u6c42\u548c\u54cd\u5e94\u9075\u5faa\u7684\u7f13\u5b58\u673a\u5236\u3002\u5728\u8bf7\u6c42\u6d88\u606f\u6216\u54cd\u5e94\u6d88\u606f\u4e2d\u8bbe\u7f6eCache-Control\u5e76\u4e0d\u4f1a\u4fee\u6539\u53e6\u4e00\u4e2a\u6d88\u606f\u5904\u7406\u8fc7\u7a0b\u4e2d\u7684\u7f13\u5b58\u5904\u7406\u8fc7\u7a0b\u3002\u8bf7\u6c42\u65f6\u7684\u7f13\u5b58\u6307\u4ee4\u5305\u62ecno-cache\u3001no-store\u3001max-age\u3001max-stale\u3001min-fresh\u3001only-if-cached\uff0c\u54cd\u5e94\u6d88\u606f\u4e2d\u7684\u6307\u4ee4\u5305\u62ecpublic\u3001private\u3001no-cache\u3001no-store\u3001no-transform\u3001must-revalidate\u3001proxy-revalidate\u3001max-age\u3002\u5404\u4e2a\u6d88\u606f\u4e2d\u7684\u6307\u4ee4\u542b\u4e49\u5982\u4e0b\uff1a <\/p>\n
<\/p>\n
Public\u6307\u793a\u54cd\u5e94\u53ef\u88ab\u4efb\u4f55\u7f13\u5b58\u533a\u7f13\u5b58\u3002 <\/p>\n
Private\u6307\u793a\u5bf9\u4e8e\u5355\u4e2a\u7528\u6237\u7684\u6574\u4e2a\u6216\u90e8\u5206\u54cd\u5e94\u6d88\u606f\uff0c\u4e0d\u80fd\u88ab\u5171\u4eab\u7f13\u5b58\u5904\u7406\u3002\u8fd9\u5141\u8bb8\u670d\u52a1\u5668\u4ec5\u4ec5\u63cf\u8ff0\u5f53\u7528\u6237\u7684\u90e8\u5206\u54cd\u5e94\u6d88\u606f\uff0c\u6b64\u54cd\u5e94\u6d88\u606f\u5bf9\u4e8e\u5176\u4ed6\u7528\u6237\u7684\u8bf7\u6c42\u65e0\u6548\u3002 <\/p>\n
no-cache\u6307\u793a\u8bf7\u6c42\u6216\u54cd\u5e94\u6d88\u606f\u4e0d\u80fd\u7f13\u5b58 <\/p>\n
no-store\u7528\u4e8e\u9632\u6b62\u91cd\u8981\u7684\u4fe1\u606f\u88ab\u65e0\u610f\u7684\u53d1\u5e03\u3002\u5728\u8bf7\u6c42\u6d88\u606f\u4e2d\u53d1\u9001\u5c06\u4f7f\u5f97\u8bf7\u6c42\u548c\u54cd\u5e94\u6d88\u606f\u90fd\u4e0d\u4f7f\u7528\u7f13\u5b58\u3002 <\/p>\n
max-age\u6307\u793a\u5ba2\u6237\u673a\u53ef\u4ee5\u63a5\u6536\u751f\u5b58\u671f\u4e0d\u5927\u4e8e\u6307\u5b9a\u65f6\u95f4\uff08\u4ee5\u79d2\u4e3a\u5355\u4f4d\uff09\u7684\u54cd\u5e94\u3002 <\/p>\n
min-fresh\u6307\u793a\u5ba2\u6237\u673a\u53ef\u4ee5\u63a5\u6536\u54cd\u5e94\u65f6\u95f4\u5c0f\u4e8e\u5f53\u524d\u65f6\u95f4\u52a0\u4e0a\u6307\u5b9a\u65f6\u95f4\u7684\u54cd\u5e94\u3002 <\/p>\n
max-stale\u6307\u793a\u5ba2\u6237\u673a\u53ef\u4ee5\u63a5\u6536\u8d85\u51fa\u8d85\u65f6\u671f\u95f4\u7684\u54cd\u5e94\u6d88\u606f\u3002\u5982\u679c\u6307\u5b9amax-stale\u6d88\u606f\u7684\u503c\uff0c\u90a3\u4e48\u5ba2\u6237\u673a\u53ef\u4ee5\u63a5\u6536\u8d85\u51fa\u8d85\u65f6\u671f\u6307\u5b9a\u503c\u4e4b\u5185\u7684\u54cd\u5e94\u6d88\u606f\u3002<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u5f80\u5f80\u56e0\u4e3a\u8868\u5355\u51fa\u9519\u800c\u8fd4\u56de\u9875\u9762\u7684\u65f6\u5019\u586b\u5199\u7684\u4fe1\u606f\u90fd\u4e0d\u89c1\u4e86\uff0c\u4e3a\u4e86\u652f\u6301\u9875\u9762\u56de\u8df3\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u65b9\u6cd5\u5b9e\u73b0\u3002 \u7b2c \u00b7\u00b7\u00b7","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"views":244,"_links":{"self":[{"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/posts\/268"}],"collection":[{"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/comments?post=268"}],"version-history":[{"count":0,"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/posts\/268\/revisions"}],"wp:attachment":[{"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/media?parent=268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/categories?post=268"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.yyhcw.com\/api\/wp\/v2\/tags?post=268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}