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@@ -7,19 +7,46 @@
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</head>
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<body>
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<script>
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+ function setCookie(name,value,expire){
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+ var date = new Date();
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+ var nowDate = date.getDate();
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+ date.setDate(nowDate+expire);
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+ var dateStr = date.toUTCString();
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+ document.cookie = name + "="+value+";expires="+dateStr;
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+
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+
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+ }
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// 设置cookie
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// 语法：setCookie(name,value,expire); 第一个key值 第二个value 第三个过期时间(日期天数)
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- setCookie("username","张三",1)
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+ // setCookie("username","张三",1)
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+ // setCookie("age","18",1)
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+
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+
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+ function getCookie(name){
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+ var cookies = document.cookie;
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+ cookies = cookies.split(";")
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+ for(var i=0;i<cookies.length;i++){
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+ var resArr = cookies[i].split("=");
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+ if(resArr[0].trim() == name){
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+ return resArr[1];
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+ }
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+ }
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+ // console.log(cookies);
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+
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+ }
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// 获取cookie
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// 语法：getCookie(name); 第一个key值
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- var username = getCookie("username");
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- console.log(username);
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+ var keyValue = getCookie("username");
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+ console.log(keyValue);
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// 删除cookie
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// 语法：deleteCookie(name); 第一个key值
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// 删除cookie其实就是把过期时间改为已经过去的时间
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- deleteCookie("username");
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+ function deleteCookie(name){
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+ setCookie(name,"",-1);
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+ }
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+ deleteCookie("age");
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</script>
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</body>
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