cookie保存

2024-08-31 10:43:05

<!DOCTYPE html>

<html lang="en">

<head>

<meta charset="UTF-8">

<meta name="viewport" content="width=device-width, initial-scale=1.0">

<title>Document</title>

<script>

window.onload=function(){

function setCookie(name,value,endDay) //设置cookie

{

var oDate=new Date();

oDate.setDate(oDate.getDate()+endDay);

document.cookie=name+'='+value+';expires='+oDate;

}

function getCookie(name) //读取cookie

{

var arr=document.cookie.split('; '); //分号后面要有空格

for(i=0;i<arr.length;i++)

{

var arr2=arr[i].split('=');

if(arr2[0]==name)

return arr2[1];

}

return '';

}

}

function removeCookie(name)

{

setCookie(name,1,-1);

}

var oForm=document.getElementById('form1');

var oUser=document.getElementsByName('user')[0];

oForm.onsubmit=function(){

setCookie('user',oUser.value,14)

}

oUser.value=getCookie('user');

</script>

</head>

<body>

<form action="" id="form1">

用户名：<input type="text" name="user" id=""><br>

密码：<input type="password" name="pass" id=""><br>

<input type="submit" name="" id="">

</form>

</body>

</html>

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