{"id":29500,"date":"2025-04-20T10:16:02","date_gmt":"2025-04-20T02:16:02","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/29500.html"},"modified":"2025-04-20T10:16:02","modified_gmt":"2025-04-20T02:16:02","slug":"javascript-cookie-%e4%b8%8e-%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%94%9f%e6%88%90%e7%9a%84-cookie-%e7%9a%84%e5%8c%ba%e5%88%ab%e4%b8%8e%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/29500.html","title":{"rendered":"JavaScript Cookie \u4e0e \u670d\u52a1\u5668\u751f\u6210\u7684 Cookie \u7684\u533a\u522b\u4e0e\u5e94\u7528"},"content":{"rendered":"<h3>JavaScript Cookie \u4e0e \u670d\u52a1\u5668\u751f\u6210\u7684 Cookie \u7684\u533a\u522b\u4e0e\u5e94\u7528<\/h3>\n<p>Cookie\u662f\u4e00\u79cd\u751c\u70b9&#xff0c;\u540c\u65f6\u4e5f\u662fweb\u524d\u7aef\u5f00\u53d1\u4e2d\u4e00\u79cd\u975e\u5e38\u5e38\u89c1\u4e14\u91cd\u8981\u7684\u6280\u672f&#xff0c;\u5b83\u7528\u4e8e\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u5b58\u50a8\u548c\u4f20\u9012\u4fe1\u606f\u3002\u7528\u6237\u8eab\u4efd\u9a8c\u8bc1\u3001\u4f1a\u8bdd\u7ba1\u7406&#xff0c;\u8fd8\u662f\u7528\u6237\u4e2a\u6027\u5316\u8bbe\u7f6e&#xff0c;\u90fd\u79bb\u4e0d\u5f00Cookie\u3002\u5e38\u89c1\u7684 Cookie \u7c7b\u578b\u5305\u62ec\u7531 JavaScript \u8bbe\u7f6e\u7684 Cookie \u548c\u7531 \u670d\u52a1\u5668 \u751f\u6210\u7684 Cookie\u3002\u867d\u7136\u5b83\u4eec\u90fd\u53eb\u505a Cookie&#xff0c;\u4f46\u5728\u4f7f\u7528\u65b9\u5f0f\u3001\u5b89\u5168\u6027\u3001\u751f\u547d\u5468\u671f\u7b49\u65b9\u9762\u6709\u7740\u663e\u8457\u7684\u533a\u522b\u3002<\/p>\n<p>\u4e0b\u9762\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u8fd9\u4e24\u79cd Cookie \u7684\u5f02\u540c.<\/p>\n<h4>1. \u4ec0\u4e48\u662f Cookie&#xff1f;<\/h4>\n<p>Cookie \u662f\u6d4f\u89c8\u5668\u7528\u4e8e\u5b58\u50a8\u4fe1\u606f\u7684\u5c0f\u578b\u6570\u636e\u7247\u6bb5\u3002\u5f53\u7528\u6237\u8bbf\u95ee\u7f51\u7ad9\u65f6&#xff0c;\u670d\u52a1\u5668\u53ef\u4ee5\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbe\u7f6e Cookie&#xff0c;\u6d4f\u89c8\u5668\u4e5f\u4f1a\u5728\u6bcf\u6b21\u5411\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42\u65f6\u81ea\u52a8\u643a\u5e26\u8fd9\u4e9b Cookie\u3002\u901a\u8fc7 Cookie&#xff0c;\u7f51\u7ad9\u53ef\u4ee5\u8bc6\u522b\u7528\u6237\u3001\u4fdd\u6301\u767b\u5f55\u72b6\u6001&#xff0c;\u751a\u81f3\u5b58\u50a8\u7528\u6237\u7684\u504f\u597d\u8bbe\u7f6e\u3002<\/p>\n<h4>2. JavaScript Cookie \u4e0e \u670d\u52a1\u5668\u751f\u6210\u7684 Cookie<\/h4>\n<h5>2.1 \u8bbe\u7f6e\u6765\u6e90<\/h5>\n<ul>\n<li>JavaScript Cookie&#xff1a;\u7531\u5ba2\u6237\u7aef\u7684 JavaScript \u4ee3\u7801\u8bbe\u7f6e\u3002\u4f8b\u5982&#xff0c;\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7 document.cookie \u6216\u4f7f\u7528\u5e93&#xff08;\u5982 js-cookie&#xff09;\u6765\u64cd\u4f5c Cookie\u3002<\/li>\n<li>\u670d\u52a1\u5668\u751f\u6210\u7684 Cookie&#xff1a;\u7531\u670d\u52a1\u5668\u901a\u8fc7 HTTP \u54cd\u5e94\u5934\u4e2d\u7684 Set-Cookie \u5b57\u6bb5\u8bbe\u7f6e\u3002\u5f53\u6d4f\u89c8\u5668\u4ece\u670d\u52a1\u5668\u63a5\u6536\u5230\u54cd\u5e94\u65f6&#xff0c;\u670d\u52a1\u5668\u53ef\u4ee5\u901a\u8fc7\u8be5\u5b57\u6bb5\u5c06 Cookie \u4fe1\u606f\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u3002<\/li>\n<\/ul>\n<h5>2.2 \u8bbf\u95ee\u65b9\u5f0f<\/h5>\n<ul>\n<li>JavaScript Cookie&#xff1a;\u53ef\u4ee5\u901a\u8fc7 JavaScript \u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95ee\u3002\u4f8b\u5982&#xff0c;\u4f7f\u7528 document.cookie \u53ef\u4ee5\u83b7\u53d6\u5f53\u524d\u9875\u9762\u7684\u6240\u6709 Cookie\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f&#xff0c;\u5f00\u53d1\u8005\u53ef\u4ee5\u65b9\u4fbf\u5730\u8bfb\u53d6\u548c\u4fee\u6539 Cookie\u3002<\/li>\n<li>\u670d\u52a1\u5668\u751f\u6210\u7684 Cookie&#xff1a;\u8fd9\u4e9b Cookie \u4e0d\u80fd\u76f4\u63a5\u88ab JavaScript \u8bbf\u95ee&#xff0c;\u9664\u975e\u6ca1\u6709\u8bbe\u7f6e HttpOnly \u6807\u8bb0&#xff08;&#xff09;\u3002\u5b83\u4eec\u5728\u6bcf\u6b21\u8bf7\u6c42\u65f6\u81ea\u52a8\u7531\u6d4f\u89c8\u5668\u643a\u5e26\u5230\u670d\u52a1\u5668&#xff0c;\u786e\u4fdd\u670d\u52a1\u5668\u80fd\u591f\u9a8c\u8bc1\u7528\u6237\u8eab\u4efd\u6216\u4f1a\u8bdd\u72b6\u6001\u3002<\/li>\n<\/ul>\n<p>\u4ec0\u4e48\u662f HttpOnly&#xff1f;<\/p>\n<p>\u5f53\u4e00\u4e2a Cookie \u8bbe\u7f6e\u4e86 HttpOnly \u6807\u5fd7\u540e&#xff0c;\u5b83\u5c31\u53d8\u6210\u4e86\u4e00\u4e2a \u4ec5\u9650 HTTP \u8bbf\u95ee\u7684 Cookie\u3002\u8fd9\u610f\u5473\u7740&#xff1a;<\/p>\n<ul>\n<li>\u6d4f\u89c8\u5668 \u4f1a\u81ea\u52a8\u5c06 HttpOnly Cookie \u968f\u6bcf\u4e2a HTTP \u8bf7\u6c42\u4e00\u8d77\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u3002<\/li>\n<li>JavaScript \u65e0\u6cd5\u901a\u8fc7 document.cookie \u6765\u8bbf\u95ee\u8fd9\u4e2a Cookie&#xff0c;\u4ece\u800c\u9632\u6b62\u4e86\u8de8\u7ad9\u811a\u672c\u653b\u51fb&#xff08;XSS&#xff09;\u4e2d\u7684\u6076\u610f\u811a\u672c\u7a83\u53d6 Cookie\u3002<\/li>\n<\/ul>\n<h5>2.3 \u5b58\u50a8\u548c\u4f20\u9012\u65b9\u5f0f<\/h5>\n<ul>\n<li>JavaScript Cookie&#xff1a;\u5b58\u50a8\u5728\u6d4f\u89c8\u5668\u7684 Cookie \u5b58\u50a8\u533a&#xff0c;\u4f46\u4e0d\u4f1a\u81ea\u52a8\u968f\u7740\u6bcf\u6b21 HTTP \u8bf7\u6c42\u4e00\u8d77\u53d1\u9001\u7ed9\u670d\u52a1\u5668&#xff0c;\u9664\u975e\u5f00\u53d1\u8005\u663e\u5f0f\u5730\u5c06\u5176\u5305\u542b\u5728\u8bf7\u6c42\u5934\u4e2d\u3002\u4f8b\u5982&#xff0c;\u5728\u53d1\u9001 API \u8bf7\u6c42\u65f6&#xff0c;\u5f00\u53d1\u8005\u53ef\u4ee5\u624b\u52a8\u5c06 Cookie \u653e\u5165 Authorization \u5934\u90e8\u3002<\/li>\n<li>\u670d\u52a1\u5668\u751f\u6210\u7684 Cookie&#xff1a;\u5b58\u50a8\u5728\u6d4f\u89c8\u5668\u7684 Cookie \u5b58\u50a8\u533a&#xff0c;\u5e76\u4e14\u4f1a\u81ea\u52a8\u968f\u6bcf\u4e2a\u8bf7\u6c42\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u3002\u53ea\u8981\u8bf7\u6c42\u7684 URL \u4e0e Cookie \u7684 path \u548c domain \u5339\u914d&#xff0c;\u6d4f\u89c8\u5668\u4f1a\u81ea\u52a8\u643a\u5e26 Cookie \u6570\u636e&#xff0c;\u4ece\u800c\u4f7f\u670d\u52a1\u5668\u80fd\u591f\u8bc6\u522b\u548c\u5904\u7406\u4f1a\u8bdd\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h5>2.4 \u5b89\u5168\u6027<\/h5>\n<ul>\n<li>JavaScript Cookie&#xff1a;\u7531\u4e8e JavaScript \u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee Cookie&#xff0c;\u56e0\u6b64\u5b83\u4eec\u5bb9\u6613\u53d7\u5230 \u8de8\u7ad9\u811a\u672c&#xff08;XSS&#xff09; \u653b\u51fb\u3002\u5982\u679c\u7f51\u7ad9\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e&#xff0c;\u653b\u51fb\u8005\u53ef\u80fd\u901a\u8fc7\u6076\u610f\u811a\u672c\u7a83\u53d6 Cookie \u4fe1\u606f\u3002\n<ul>\n<li>\u4e3a\u4e86\u589e\u5f3a\u5b89\u5168\u6027&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e Secure&#xff08;\u4ec5\u5728 HTTPS \u8bf7\u6c42\u4e2d\u53d1\u9001&#xff09;\u548c SameSite&#xff08;\u9632\u6b62\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\u653b\u51fb&#xff09;\u7b49\u6807\u5fd7\u6765\u63d0\u9ad8\u5b89\u5168\u6027\u3002<\/li>\n<li>\u8bbe\u7f6e HttpOnly \u5c5e\u6027\u53ef\u4ee5\u7981\u6b62 JavaScript \u8bbf\u95ee Cookie&#xff0c;\u4ece\u800c\u51cf\u5c11\u88ab XSS \u653b\u51fb\u7684\u98ce\u9669\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u670d\u52a1\u5668\u751f\u6210\u7684 Cookie&#xff1a;\u901a\u8fc7\u8bbe\u7f6e HttpOnly \u6807\u8bb0&#xff0c;\u670d\u52a1\u5668\u53ef\u4ee5\u963b\u6b62\u5ba2\u6237\u7aef JavaScript \u8bbf\u95ee Cookie&#xff0c;\u4ece\u800c\u589e\u5f3a\u5b89\u5168\u6027\u3002\u53ea\u6709\u5728 HTTPS \u8bf7\u6c42\u4e2d&#xff0c;Secure \u6807\u8bb0\u7684 Cookie 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4KB&#xff09;&#xff0c;\u4f46\u662f\u670d\u52a1\u5668\u901a\u5e38\u4e0d\u4f1a\u5b58\u50a8\u5927\u91cf\u6570\u636e\u3002\u670d\u52a1\u5668\u751f\u6210\u7684 Cookie \u4e00\u822c\u7528\u4e8e\u5b58\u50a8\u4f1a\u8bdd\u6807\u8bc6\u7b26\u3001\u7528\u6237\u8ba4\u8bc1\u4ee4\u724c\u7b49\u5c0f\u578b\u6570\u636e\u3002<\/li>\n<\/ul>\n<h5>2.6 \u4f5c\u7528\u8303\u56f4<\/h5>\n<ul>\n<li>JavaScript Cookie&#xff1a;\u901a\u8fc7\u8bbe\u7f6e path \u548c domain \u5c5e\u6027&#xff0c;JavaScript Cookie \u53ef\u4ee5\u63a7\u5236\u5b83\u7684\u4f5c\u7528\u8303\u56f4\u3002\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e9b\u5c5e\u6027\u9650\u5236 Cookie \u53ea\u5728\u7279\u5b9a\u8def\u5f84\u6216\u57df\u540d\u4e0b\u6709\u6548\u3002<\/li>\n<li>\u670d\u52a1\u5668\u751f\u6210\u7684 Cookie&#xff1a;\u4e0e JavaScript Cookie \u7c7b\u4f3c&#xff0c;\u670d\u52a1\u5668\u751f\u6210\u7684 Cookie \u4e5f\u53ef\u4ee5\u901a\u8fc7 path \u548c domain \u5c5e\u6027\u6765\u8bbe\u7f6e\u4f5c\u7528\u8303\u56f4\u3002\u4f8b\u5982&#xff0c;path&#061;\/ \u8868\u793a\u8be5 Cookie \u5728\u6574\u4e2a\u7f51\u7ad9\u8303\u56f4\u5185\u6709\u6548&#xff0c;\u800c path&#061;\/admin \u5219\u9650\u5236\u5728\u7279\u5b9a\u8def\u5f84\u4e0b\u6709\u6548\u3002<\/li>\n<\/ul>\n<h5>2.7 \u751f\u547d\u5468\u671f<\/h5>\n<ul>\n<li>JavaScript Cookie&#xff1a;\u53ef\u4ee5\u901a\u8fc7 expires \u6216 max-age \u5c5e\u6027\u6765\u63a7\u5236 Cookie \u7684\u6709\u6548\u671f\u3002\u5982\u679c\u6ca1\u6709\u8bbe\u7f6e\u6709\u6548\u671f&#xff0c;Cookie \u5c06\u6210\u4e3a\u4f1a\u8bdd Cookie&#xff0c;\u5e76\u5728\u6d4f\u89c8\u5668\u4f1a\u8bdd\u7ed3\u675f\u65f6\u5220\u9664\u3002<\/li>\n<li>\u670d\u52a1\u5668\u751f\u6210\u7684 Cookie&#xff1a;\u540c\u6837\u53ef\u4ee5\u901a\u8fc7 expires \u6216 max-age \u5c5e\u6027\u6765\u63a7\u5236 Cookie \u7684\u8fc7\u671f\u65f6\u95f4\u3002\u6ca1\u6709\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u65f6&#xff0c;Cookie \u4e5f\u662f\u4f1a\u8bdd Cookie&#xff0c;\u6d4f\u89c8\u5668\u5173\u95ed\u540e\u4f1a\u81ea\u52a8\u5220\u9664\u3002<\/li>\n<\/ul>\n<h4>3. 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