{"id":91100,"date":"2024-04-09T18:21:08","date_gmt":"2024-04-09T10:21:08","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/91100.html"},"modified":"2024-04-09T18:21:09","modified_gmt":"2024-04-09T10:21:09","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8javascript%e4%b8%ad%e5%88%9b%e5%bb%ba%e5%92%8c%e7%ae%a1%e7%90%86cookies","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/91100.html","title":{"rendered":"\u5982\u4f55\u5728JavaScript\u4e2d\u521b\u5efa\u548c\u7ba1\u7406Cookies"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/02150927\/7a742d08-afb6-4442-b991-9a2eba59fbab.webp\" alt=\"\u5982\u4f55\u5728JavaScript\u4e2d\u521b\u5efa\u548c\u7ba1\u7406Cookies\" \/><\/p>\n<p><p>\u5728JavaScript\u4e2d\u521b\u5efa\u548c\u7ba1\u7406Cookies\u4e3b\u8981\u6d89\u53ca\u5230\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<strong>\u521b\u5efaCookies\u3001\u8bfb\u53d6Cookies\u3001\u4fee\u6539Cookies\u3001\u5220\u9664Cookies<\/strong>\u3002\u521b\u5efaCookies\u662f\u6700\u57fa\u7840\u7684\u64cd\u4f5c\uff0c\u901a\u5e38\u901a\u8fc7<code>document.cookie<\/code>\u5c5e\u6027\u6765\u5b9e\u73b0\u3002\u8be5\u5c5e\u6027\u5141\u8bb8\u4f60\u8bfb\u53d6\u548c\u5199\u5165\u9875\u9762\u7684Cookie\u3002\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\u662f\uff0c\u5f53\u4f60\u521b\u5efa\u4e00\u4e2aCookie\u65f6\uff0c\u4f60\u5b9e\u9645\u4e0a\u662f\u5728\u8bbe\u7f6e<code>document.cookie<\/code>\u5c5e\u6027\u7684\u503c\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684Cookie\u6765\u5b58\u50a8\u7528\u6237\u7684\u540d\u79f0\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u5b9e\u73b0\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">document.cookie = &quot;username=John Doe&quot;;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u884c\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u79f0\u4e3a<code>username<\/code>\uff0c\u503c\u4e3a<code>John Doe<\/code>\u7684Cookie\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0cCookies\u9ed8\u8ba4\u5728\u6d4f\u89c8\u5668\u4f1a\u8bdd\u7ed3\u675f\u65f6\u8fc7\u671f\uff0c\u4f46\u4f60\u4e5f\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e<code>expires<\/code>\u5c5e\u6027\u6765\u6307\u5b9a\u4e00\u4e2a\u8fc7\u671f\u65e5\u671f\u3002<\/p>\n<\/p>\n<p><h3><strong>\u4e00\u3001\u521b\u5efaCOOKIES<\/strong><\/h3>\n<\/p>\n<p><p>\u8981\u5728JavaScript\u4e2d\u521b\u5efaCookies\uff0c\u4e3b\u8981\u901a\u8fc7\u8bbe\u7f6e<code>document.cookie<\/code>\u5c5e\u6027\u6765\u5b8c\u6210\u3002\u4ee5\u4e0b\u662f\u521b\u5efaCookies\u65f6\u53ef\u4ee5\u8bbe\u7f6e\u7684\u4e00\u4e9b\u53c2\u6570\uff1a<\/p>\n<\/p>\n<ul>\n<li><code>name=value<\/code>: \u5fc5\u987b\u9879\uff0c\u8bbe\u7f6eCookie\u7684\u540d\u79f0\u548c\u503c\u3002<\/li>\n<li><code>expires<\/code>: \u8bbe\u7f6eCookie\u7684\u8fc7\u671f\u65f6\u95f4\u3002<\/li>\n<li><code>path<\/code>: \u8bbe\u7f6eCookie\u7684\u8def\u5f84\u3002<\/li>\n<li><code>dom<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>n<\/code>: \u8bbe\u7f6eCookie\u7684\u57df\u3002<\/li>\n<li><code>secure<\/code>: \u8bbe\u7f6eCookie\u7684\u5b89\u5168\u6807\u5fd7\u3002<\/li>\n<\/ul>\n<p><p><strong>\u521b\u5efa\u4e00\u4e2aCookie\u5e76\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4<\/strong>\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">let date = new Date();<\/p>\n<p>date.setTime(date.getTime() + (7*24*60*60*1000)); 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i &lt; cookieArr.length; i++) {<\/p>\n<p>    let cookiePair = cookieArr[i].split(&#039;=&#039;);<\/p>\n<p>    if(name == cookiePair[0].trim()) {<\/p>\n<p>      return decodeURIComponent(cookiePair[1]);<\/p>\n<p>    }<\/p>\n<p>  }<\/p>\n<p>  return null;<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u4e2a\u51fd\u6570\u63a5\u53d7\u4e00\u4e2a<code>name<\/code>\u53c2\u6570\uff0c\u901a\u8fc7\u904d\u5386<code>document.cookie<\/code>\u5b57\u7b26\u4e32\u5206\u5272\u540e\u7684\u6570\u7ec4\uff0c\u6765\u5bfb\u627e\u5339\u914d\u7684Cookie\u540d\u79f0\uff0c\u5e76\u8fd4\u56de\u5bf9\u5e94\u7684\u503c\u3002<\/p>\n<\/p>\n<p><h3><strong>\u4e09\u3001\u4fee\u6539COOKIES<\/strong><\/h3>\n<\/p>\n<p><p>\u4fee\u6539Cookies\u5b9e\u9645\u4e0a\u662f\u91cd\u65b0\u8bbe\u7f6e\u540c\u540d\u7684Cookie\u3002\u5f53\u4f60\u4ee5\u76f8\u540c\u7684\u540d\u79f0\u3001\u8def\u5f84\u548c\u57df\u8bbe\u7f6e\u4e00\u4e2aCookie\u65f6\uff0c\u65e7\u7684Cookie\u5c31\u4f1a\u88ab\u65b0\u7684\u503c\u66ff\u6362\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">document.cookie = &quot;username=Jane Doe; 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