web存储

来源：互联网发布：photoshop免费下载mac 编辑：程序博客网时间：2024/06/05 08:39

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<link rel="stylesheet" type="text/css" href="css/file.css"/>
<meta http-equiv="X-UA-Compatible"content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style type="text/css">
.zc,.dl{
float:left;
width:200px;
height:200px;
background: cyan;
margin-left: 200px;
text-align: center;
}
input{
margin-top:20px;
}
button{
margin-top: 10px;
}
</style>
</head>
<body>
<div class='zc'>
用户名: <input type="text" id='name' /><br />
密码: <input type="password" id='pass' />
<select name="" id="select_val">
<option value="localStorage">localStorage</option>
<option value="sessionStorage">sessionStorage</option>
</select>
<button id='zc'>注册</button>
</div>
<div class='dl'>
用户名: <input type="text" id='names' /><br />
密码: <input type="password" id='passw' />
<select name="" id="select_vals">
<option value="localStorage">localStorage</option>
<option value="sessionStorage">sessionStorage</option>
</select>
<button id='but'>登录</button>
</div>
</body>
</html>
<script type="text/javascript">
var select_val=document.getElementById('select_val').value,
zc=document.getElementById('zc'),
but=document.getElementById('but'),
i=window.localStorage.length,
j=window.sessionStorage.length,
html=null;
//获取保存数据
zc.onclick=function(){
var name=document.getElementById('name').value,
pass=document.getElementById('pass').value,
select_val=document.getElementById('select_val').value;
if(select_val=='localStorage')
{
localStorage.setItem(i++,name,pass);
alert('localStorage 注册成功');
}
else
{
sessionStorage.setItem(j++,name,pass);
alert('sessionStorage 注册成功');
}
}
but.onclick=function(){
var html='';
var name=document.getElementById('names').value,
pass=document.getElementById('passw').value,
select_vals=document.getElementById('select_vals').value;
if(select_vals=='localStorage')
{
for(var y=0;y<i;y++)
{
if(name==localStorage.getItem(localStorage.key(y))){
alert('localStorage 登录成功');die;
}else{
alert('localStorage 登录失败');die;
}
}

}else
for(var y=0;y<j;y++)
{
if(name==sessionStorage.getItem(sessionStorage.key(y))){
alert('sessionStorage 登录成功');
}else{
alert('sessionStorage 登录失败');
}
}
}
</script>

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