<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<form class="form" action="http://www.baidu.com/">
用户名：<input type="text" name="username"/><br/>
密码：<input type="password" name="password"/><br/>
<input type="submit" value="登录"/>
</form>
</body>
<script type="text/javascript">
window.onload = function(){
var oForm = document.getElementsByTagName('form')[0];
var oUsername = document.getElementsByName('username')[0];
var oPassword = document.getElementsByName('password')[0];
oForm.onsubmit = function(){
setCookie('username', oUsername.value, 14);
setCookie('password', oPassword.value, 14);
};
oUsername.value = getCookie('username');
oPassword.value = getCookie('password');
};
//设置cookie
function setCookie(name, value, iDay){
var oDate = new Date();
oDate.setDate( oDate.getDate() + iDay );
document.cookie = name+'='+value+';expires=' + oDate;
};
//读取cookie
function getCookie(name){
var array1 = document.cookie.split("; ");
for(var i = 0; i < array1.length; i++ ){
var array2 = array1[i].split('=');
if(array2[0] == name){
return array2[1];
}
};
return '';
};
//删除cookie
function removeCookie(name){
setCookie(name, null, -1);
};
</script>
</html>