{"id":30611,"date":"2023-05-19T14:31:16","date_gmt":"2023-05-19T06:31:16","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=30611"},"modified":"2023-07-31T01:50:29","modified_gmt":"2023-07-30T17:50:29","slug":"cookie%e3%80%81session%e3%80%81localstorage%e3%80%81sessionstorage%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/30611.html","title":{"rendered":"cookie\u3001session\u3001localStorage\u3001sessionStorage\u533a\u522b"},"content":{"rendered":"
\n

cookie\u3001session\u3001localStorage\u3001sessionStorage\u533a\u522b\uff1a1\u3001\u5b58\u50a8\u4f4d\u7f6e\u4e0d\u540c\uff1b2\u3001\u5b58\u50a8\u5bb9\u91cf\u4e0d\u540c\uff1b3\u3001\u6570\u636e\u7c7b\u578b\u4e0d\u540c\uff1b4\u3001\u751f\u547d\u5468\u671f\u4e0d\u540c\u7b49\u3002\u5b58\u50a8\u4f4d\u7f6e\u4e0d\u540c\u662f\u6307Cookie\u4fdd\u5b58\u5728\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u4e2d\uff0cSession\u4fdd\u5b58\u5728\u670d\u52a1\u5668\u7aef\uff0clocalStorage\u548csessionStorage\u4fdd\u5b58\u5728\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u4e2d\u7684\u672c\u5730\u5b58\u50a8\u7a7a\u95f4\u4e2d\u3002<\/p>\n<\/blockquote>\n

\n
\"\"<\/figure>\n<\/div>\n

\u4e00\u3001cookie\u3001session\u3001localStorage\u3001sessionStorage\u533a\u522b<\/h2>\n

1\u3001\u5b58\u50a8\u4f4d\u7f6e\u4e0d\u540c<\/h3>\n
    \n
  • Cookie<\/strong>\uff1a\u4fdd\u5b58\u5728\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u4e2d<\/li>\n
  • Session<\/strong>\uff1a\u4fdd\u5b58\u5728\u670d\u52a1\u5668\u7aef<\/li>\n
  • localStorage<\/strong>\uff1a\u4fdd\u5b58\u5728\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u4e2d\u7684\u672c\u5730\u5b58\u50a8\u7a7a\u95f4\u4e2d<\/li>\n
  • sessionStorage<\/strong>\uff1a\u4e0elocalStorage\u7c7b\u4f3c\uff0c\u4e5f\u4fdd\u5b58\u5728\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u4e2d\u7684\u672c\u5730\u5b58\u50a8\u7a7a\u95f4\u4e2d\uff0c\u4f46\u6570\u636e\u5728\u7a97\u53e3\u5173\u95ed\u540e\u4f1a\u6e05\u9664<\/li>\n<\/ul>\n

    2\u3001\u5b58\u50a8\u5bb9\u91cf\u4e0d\u540c<\/h3>\n
      \n
    • Cookie<\/strong>\uff1a\u4e00\u822c\u53ea\u80fd\u5b58\u50a84KB\u5de6\u53f3\u7684\u6570\u636e<\/li>\n
    • Session<\/strong>\uff1a\u5b58\u50a8\u6570\u636e\u7684\u5927\u5c0f\u6ca1\u6709\u9650\u5236<\/li>\n
    • localStorage<\/strong>\uff1a\u67095MB\u5de6\u53f3\u7684\u5b58\u50a8\u5bb9\u91cf\u9650\u5236<\/li>\n
    • sessionStorage<\/strong>\uff1a\u67095MB\u5de6\u53f3\u7684\u5b58\u50a8\u5bb9\u91cf\u9650\u5236<\/li>\n<\/ul>\n

      3\u3001\u6570\u636e\u7c7b\u578b\u4e0d\u540c<\/h3>\n
        \n
      • Cookie<\/strong>\uff1a\u53ea\u80fd\u5b58\u50a8\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u6570\u636e<\/li>\n
      • Session<\/strong>\uff1a\u53ef\u4ee5\u5b58\u50a8\u4efb\u610f\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5305\u62ec\u5bf9\u8c61\u548c\u6570\u7ec4\u7b49<\/li>\n
      • localStorage<\/strong>\uff1a\u53ef\u4ee5\u5b58\u50a8\u4efb\u610f\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5305\u62ec\u5bf9\u8c61\u548c\u6570\u7ec4\u7b49<\/li>\n
      • sessionStorage<\/strong>\uff1a\u53ef\u4ee5\u5b58\u50a8\u4efb\u610f\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5305\u62ec\u5bf9\u8c61\u548c\u6570\u7ec4\u7b49<\/li>\n<\/ul>\n

        4\u3001\u751f\u547d\u5468\u671f\u4e0d\u540c<\/h3>\n
          \n
        • Cookie<\/strong>\uff1a\u53ef\u4ee5\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\uff0c\u5982\u679c\u4e0d\u8bbe\u7f6e\u5219\u9ed8\u8ba4\u4e3a\u4f1a\u8bdd\u7ed3\u675f\u65f6\u8fc7\u671f\uff08\u5373\u5173\u95ed\u6d4f\u89c8\u5668\u540e\u5931\u6548\uff09<\/li>\n
        • Session<\/strong>\uff1a\u53ea\u5728\u5f53\u524d\u4f1a\u8bdd\u4e2d\u6709\u6548\uff0c\u5173\u95ed\u6d4f\u89c8\u5668\u540e\u5931\u6548<\/li>\n
        • localStorage<\/strong>\uff1a\u9664\u975e\u7528\u6237\u624b\u52a8\u5220\u9664\uff0c\u5426\u5219\u6c38\u4e45\u4fdd\u5b58<\/li>\n
        • sessionStorage<\/strong>\uff1a\u53ea\u5728\u5f53\u524d\u4f1a\u8bdd\u4e2d\u6709\u6548\uff0c\u5173\u95ed\u6d4f\u89c8\u5668\u6216\u6807\u7b7e\u9875\u540e\u5931\u6548<\/li>\n<\/ul>\n

          5\u3001\u6570\u636e\u4f20\u8f93\u4e0d\u540c<\/h3>\n
            \n
          • Cookie<\/strong>\uff1a\u4f1a\u968f\u6bcf\u4e2ahttp\u8bf7\u6c42\u88ab\u81ea\u52a8\u53d1\u9001\u5230\u670d\u52a1\u5668\u7aef\uff0c\u589e\u52a0\u4e86\u8bf7\u6c42\u7684\u6570\u636e\u91cf<\/li>\n
          • Session<\/strong>\uff1a\u53ef\u4ee5\u900f\u660e\u5730\u5728\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u4e4b\u95f4\u6765\u56de\u4f20\u9012<\/li>\n
          • localStorage<\/strong>\uff1a\u53ea\u5b58\u5728\u4e8e\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u4e2d\uff0c\u4e0d\u4f1a\u81ea\u52a8\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7aef<\/li>\n
          • sessionStorage<\/strong>\uff1a\u53ea\u5b58\u5728\u4e8e\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u4e2d\uff0c\u4e0d\u4f1a\u81ea\u52a8\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7aef<\/li>\n<\/ul>\n

            6\u3001\u5e94\u7528\u573a\u666f\u4e0d\u540c<\/h3>\n
              \n
            • Cookie<\/strong>\uff1a\u4e00\u822c\u7528\u4e8e\u5b58\u50a8\u4f1a\u8bdd\u6807\u8bc6\u3001\u7528\u6237\u504f\u597d\u8bbe\u7f6e\u7b49<\/li>\n
            • Session<\/strong>\uff1a\u7528\u4e8e\u4fdd\u5b58\u7528\u6237\u767b\u5f55\u72b6\u6001\u3001\u8d2d\u7269\u8f66\u7b49<\/li>\n
            • localStorage<\/strong>\uff1a\u9002\u7528\u4e8e\u6c38\u4e45\u5b58\u50a8\u7528\u6237\u6570\u636e\u3001\u7f13\u5b58\u6570\u636e\u7b49<\/li>\n
            • sessionStorage<\/strong>\uff1a\u9002\u7528\u4e8e\u6c38\u4e45\u5b58\u50a8\u7528\u6237\u6570\u636e\u3001\u7f13\u5b58\u6570\u636e\u7b49<\/li>\n<\/ul>\n

              \u4e8c\u3001Cookie\u7b80\u4ecb<\/h2>\n

              1\u3001cookie\u673a\u5236<\/h3>\n

              Cookie\u5c31\u662f\u7531\u670d\u52a1\u5668\u53d1\u7ed9\u5ba2\u6237\u7aef\u7684\u7279\u6b8a\u4fe1\u606f\uff0c\u800c\u8fd9\u4e9b\u4fe1\u606f\u4ee5\u6587\u672c\u6587\u4ef6\u7684\u65b9\u5f0f\u5b58\u653e\u5728\u5ba2\u6237\u7aef\uff0c\u7136\u540e\u5ba2\u6237\u7aef\u6bcf\u6b21\u5411\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42\u7684\u65f6\u5019\u90fd\u4f1a\u5e26\u4e0a\u8fd9\u4e9b\u7279\u6b8a\u7684\u4fe1\u606f\u3002<\/p>\n

              \u5f53\u7528\u6237\u4f7f\u7528\u6d4f\u89c8\u5668\u8bbf\u95ee\u4e00\u4e2a\u652f\u6301Cookie\u7684\u7f51\u7ad9\u7684\u65f6\u5019\uff0c\u7528\u6237\u4f1a\u63d0\u4f9b\u5305\u62ec\u7528\u6237\u540d\u5728\u5185\u7684\u4e2a\u4eba\u4fe1\u606f\u5e76\u4e14\u63d0\u4ea4\u81f3\u670d\u52a1\u5668\uff0c\u63a5\u7740\u670d\u52a1\u5668\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u4e00\u4e2ahttp\u54cd\u5e94\u4fe1\u606f\u65f6\uff0c\u5982\u679c\u5305\u542bSet-Cookie\u8fd9\u4e2a\u54cd\u5e94\u5934\u90e8\u65f6\uff0c\u610f\u601d\u5c31\u662f\u6307\u793a\u5ba2\u6237\u7aef\u5efa\u7acb\u4e00\u4e2acookie\uff0c\u5e76\u4e14\u5728\u540e\u7eed\u7684http\u8bf7\u6c42\u4e2d\u81ea\u52a8\u53d1\u9001\u8fd9\u4e2acookie\u5230\u670d\u52a1\u5668\u7aef\uff0c\u76f4\u5230\u8fd9\u4e2acookie\u8fc7\u671f\u3002\u5982\u679c\u6ca1\u6709\u8bbe\u7f6ecookie\u7684\u6709\u6548\u65f6\u95f4\uff0ccookie\u4f1a\u88ab\u4fdd\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u6d4f\u89c8\u5668\u5173\u95ed\u65f6\u5c31\u4f1a\u81ea\u52a8\u6e05\u9664\u8fd9\u4e2acookie\u3002\u53cd\u4e4b\u8bbe\u7f6e\u4e86cookie\u7684\u6709\u6548\u65f6\u95f4\uff0ccookie\u4f1a\u88ab\u4fdd\u5b58\u5728\u672c\u5730\u786c\u76d8\u4e2d\uff0c\u6d4f\u89c8\u5668\u5173\u95ed\u4e4b\u540e\u518d\u6253\u5f00\uff0ccookie\u4ecd\u7136\u6709\u6548\uff0c\u76f4\u5230\u8bbe\u7f6e\u7684\u6709\u6548\u65f6\u95f4\u4e4b\u524d\u90fd\u6709\u6548\u3002<\/p>\n

              2\u3001cookie\u5de5\u4f5c\u539f\u7406<\/h3>\n

              \u5728\u7a0b\u5e8f\u4e2d\uff0c\u4f1a\u8bdd\u8ddf\u8e2a\u662f\u5f88\u91cd\u8981\u7684\u4e8b\u60c5\u3002\u7406\u8bba\u4e0a\uff0c\u4e00\u4e2a\u7528\u6237\u7684\u6240\u6709\u8bf7\u6c42\u64cd\u4f5c\u90fd\u5e94\u8be5\u5c5e\u4e8e\u540c\u4e00\u4e2a\u4f1a\u8bdd\uff0c\u800c\u53e6\u4e00\u4e2a\u7528\u6237\u7684\u6240\u6709\u8bf7\u6c42\u64cd\u4f5c\u5219\u5e94\u8be5\u5c5e\u4e8e\u53e6\u4e00\u4e2a\u4f1a\u8bdd\uff0c\u4e8c\u8005\u4e0d\u80fd\u6df7\u6dc6\u3002\u4f8b\u5982\uff0c\u7528\u6237A\u5728\u8d85\u5e02\u8d2d\u4e70\u7684\u4efb\u4f55\u5546\u54c1\u90fd\u5e94\u8be5\u653e\u5728A\u7684\u8d2d\u7269\u8f66\u5185\uff0c\u4e0d\u8bba\u662f\u7528\u6237A\u4ec0\u4e48\u65f6\u95f4\u8d2d\u4e70\u7684\uff0c\u8fd9\u90fd\u662f\u5c5e\u4e8e\u540c\u4e00\u4e2a\u4f1a\u8bdd\u7684\uff0c\u4e0d\u80fd\u653e\u5165\u7528\u6237B\u6216\u7528\u6237C\u7684\u8d2d\u7269\u8f66\u5185\uff0c\u8fd9\u4e0d\u5c5e\u4e8e\u540c\u4e00\u4e2a\u4f1a\u8bdd\u3002\u800cWeb\u5e94\u7528\u7a0b\u5e8f\u662f\u4f7f\u7528HTTP\u534f\u8bae\u4f20\u8f93\u6570\u636e\u7684\u3002HTTP\u534f\u8bae\u662f\u65e0\u72b6\u6001\u7684\u534f\u8bae\u3002\u4e00\u65e6\u6570\u636e\u4ea4\u6362\u5b8c\u6bd5\uff0c\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7aef\u7684\u8fde\u63a5\u5c31\u4f1a\u5173\u95ed\uff0c\u518d\u6b21\u4ea4\u6362\u6570\u636e\u9700\u8981\u5efa\u7acb\u65b0\u7684\u8fde\u63a5\u3002\u8fd9\u5c31\u610f\u5473\u7740\u670d\u52a1\u5668\u65e0\u6cd5\u4ece\u8fde\u63a5\u4e0a\u8ddf\u8e2a\u4f1a\u8bdd\u3002\u5373\u7528\u6237A\u8d2d\u4e70\u4e86\u4e00\u4ef6\u5546\u54c1\u653e\u5165\u8d2d\u7269\u8f66\u5185\uff0c\u5f53\u518d\u6b21\u8d2d\u4e70\u5546\u54c1\u65f6\u670d\u52a1\u5668\u5df2\u7ecf\u65e0\u6cd5\u5224\u65ad\u8be5\u8d2d\u4e70\u884c\u4e3a\u662f\u5c5e\u4e8e\u7528\u6237A\u7684\u4f1a\u8bdd\u8fd8\u662f\u7528\u6237B\u7684\u4f1a\u8bdd\u4e86\u3002\u8981\u8ddf\u8e2a\u8be5\u4f1a\u8bdd\uff0c\u5fc5\u987b\u5f15\u5165\u4e00\u79cd\u673a\u5236\u3002Cookie\u5c31\u662f\u8fd9\u79cd\u673a\u5236\uff0c\u7ed9\u5ba2\u6237\u7aef\u4eec\u9881\u53d1\u4e00\u4e2a\u901a\u884c\u8bc1\u5427\uff0c\u6bcf\u4eba\u4e00\u4e2a\uff0c\u65e0\u8bba\u8c01\u8bbf\u95ee\u90fd\u5fc5\u987b\u643a\u5e26\u81ea\u5df1\u901a\u884c\u8bc1\u3002\u8fd9\u6837\u670d\u52a1\u5668\u5c31\u80fd\u4ece\u901a\u884c\u8bc1\u4e0a\u786e\u8ba4\u5ba2\u6237\u8eab\u4efd\u4e86\u3002\u8fd9\u5c31\u662fCookie\u7684\u5de5\u4f5c\u539f\u7406\u3002<\/p>\n

              \u4e09\u3001Session\u7b80\u4ecb<\/h2>\n

              1\u3001session\u673a\u5236<\/h3>\n

              Session\u662f\u53e6\u4e00\u79cd\u8bb0\u5f55\u5ba2\u6237\u72b6\u6001\u7684\u673a\u5236\uff0cSession\u662f\u670d\u52a1\u5668\u7aef\u4f7f\u7528\u7684\u4e00\u79cd\u8bb0\u5f55\u5ba2\u6237\u7aef\u72b6\u6001\u7684\u673a\u5236\uff0c\u4f7f\u7528\u4e0a\u6bd4Cookie\u7b80\u5355\u4e00\u4e9b\uff0c\u76f8\u5e94\u7684\u4e5f\u589e\u52a0\u4e86\u670d\u52a1\u5668\u7684\u5b58\u50a8\u538b\u529b\u3002\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65f6\u5019\uff0c\u670d\u52a1\u5668\u628a\u5ba2\u6237\u7aef\u4fe1\u606f\u4ee5\u67d0\u79cd\u5f62\u5f0f\u8bb0\u5f55\u5728\u670d\u52a1\u5668\u4e0a\u3002\u8fd9\u5c31\u662fSession\u3002\u5982\u679c\u8bf4Cookie\u673a\u5236\u662f\u901a\u8fc7\u68c0\u67e5\u5ba2\u6237\u8eab\u4e0a\u7684\u201c\u901a\u884c\u8bc1\u201d\u6765\u786e\u5b9a\u5ba2\u6237\u8eab\u4efd\u7684\u8bdd\uff0c\u90a3\u4e48Session\u673a\u5236\u5c31\u662f\u901a\u8fc7\u68c0\u67e5\u670d\u52a1\u5668\u4e0a\u7684\u201c\u5ba2\u6237\u660e\u7ec6\u8868\u201d\u6765\u786e\u8ba4\u5ba2\u6237\u8eab\u4efd\u3002Session\u76f8\u5f53\u4e8e\u7a0b\u5e8f\u5728\u670d\u52a1\u5668\u4e0a\u5efa\u7acb\u7684\u4e00\u4efd\u5ba2\u6237\u6863\u6848\uff0c\u5ba2\u6237\u6765\u8bbf\u7684\u65f6\u5019\u53ea\u9700\u8981\u67e5\u8be2\u5ba2\u6237\u6863\u6848\u8868\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n

              2\u3001session\u5de5\u4f5c\u539f\u7406<\/h3>\n

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              \u56db\u3001localStorage\u4f7f\u7528\u65b9\u6cd5<\/h2>\n

              localStorage\u7684\u751f\u547d\u5468\u671f\u662f\u6c38\u4e45\uff0c\u9664\u975e\u624b\u52a8\u53bb\u6e05\u9664\uff0c\u5426\u5219\u6c38\u8fdc\u90fd\u5b58\u5728\uff0c\u4ed6\u7684\u50a8\u5b58\u5927\u5c0f\u662f5MB\uff0c\u4ec5\u5728\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u4e0a\u50a8\u5b58\uff0c\u4e0d\u53c2\u4e0e\u670d\u52a1\u5668\u7684\u901a\u4fe1\u3002\u4ee5\u4e0b\u662f\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n

                    \/\/\u8bbe\u7f6elocalStorage\u4fdd\u5b58\u5230\u672c\u5730\uff0c\u540d\u5217\u524d\u8305\u4e2a\u4e3a\u53d8\u91cf\u540d\uff0c\u7b2c\u4e8c\u4e2a\u662f\u503c\n      localStorage.setItem('Author', 'Jane')\n      \/\/ \u83b7\u53d6\u6570\u636e\n      localStorage.getItem('Author')\n      \/\/ \u5220\u9664\u4fdd\u5b58\u7684\u6570\u636e\n      localStorage.removeItem('Author')\n      \/\/ \u6e05\u9664\u6240\u6709\u4fdd\u5b58\u7684\u6570\u636e\n      localStorage.clear()<\/code><\/pre>\n
              \u4e94\u3001sessionStorage\u4f7f\u7528\u65b9\u6cd5<\/h2>\n
              sessionStorage\u987e\u540d\u601d\u4e49\uff0c\u662f\u5728\u5f53\u524d\u4f1a\u8bdd\u4e0b\u6709\u6548\uff0c\u5f15\u5165\u4e86\u4e00\u4e2a\u201c\u6d4f\u89c8\u5668\u7a97\u53e3\u7684\u6982\u5ff5\u201d\uff0csessionStorage\u662f\u5728\u540c\u6e90\u7684\u540c\u7a97\u53e3\u4e2d\uff0c\u59cb\u7ec8\u5b58\u5728\u7684\u6570\u636e\uff0c\u53ea\u8981\u6d4f\u89c8\u5668\u4e0d\u5173\u95ed\uff0c\u5373\u4f7f\u662f\u5237\u65b0\u6216\u8005\u8fdb\u5165\u540c\u6e90\u7684\u53e6\u4e00\u4e2a\u9875\u9762\uff0c\u6570\u636e\u4ecd\u5728\u3002\u540c\u65f6\u6253\u5f00\u201c\u72ec\u7acb\u201d\u7684\u7a97\u53e3\uff0c\u5373\u4f7f\u662f\u540c\u4e00\u4e2a\u9875\u9762\uff0csessionStorage\u7684\u5bf9\u8c61\u4e5f\u662f\u4e0d\u540c\u7684\u3002\u5173\u95ed\u7a97\u53e3\u540esessionStorage\u5c31\u4f1a\u88ab\u9500\u6bc1\u3002\u4ee5\u4e0b\u662f\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n
                    \/\/ \u8bbe\u7f6esessionStorage\u4fdd\u5b58\u5230\u672c\u5730\uff0c\u540d\u5217\u524d\u8305\u4e2a\u4e3a\u53d8\u91cf\u540d\uff0c\u7b2c\u4e8c\u4e2a\u662f\u503c\n      sessionStorage.setItem('sessionName', 'John')\n      \/\/ \u83b7\u53d6\u6570\u636e\n      sessionStorage.getItem('sessionName')\n      \/\/ \u5220\u9664\u4fdd\u5b58\u7684\u6570\u636e\n      sessionStorage.removeItem('sessionName')\n      \/\/ \u6e05\u9664\u6240\u6709\u4fdd\u5b58\u7684\u6570\u636e\n      sessionStorage.clear()<\/code><\/pre>\n
              \u5ef6\u4f38\u9605\u8bfb1\uff1acookie\u7684CSRF\u653b\u51fb<\/em><\/strong><\/p>\n
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