HTML5存储数据--localStorage长期保存数据
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>使用localStorage长期保存数据</title>
</head>
<body onLoad="pageload();">
<fieldset>
<legend>登陆</legend>
<ul>
<li>
<span id="sid"></span>
</li>
<li>名称:
<input type="text" id="name">
</li>
<li>密码:
<input type="password" id="pwd">
</li>
<li>是否保存密码?
<input type="checkbox" id="checksave">
</li>
<li>
<input type="button" id="btn" name="btn" value="登录" onClick="btn_click()">
<input type="reset" id="btnc" name="btnc" value="取消" >
</li>
</ul>
</fieldset>
</body>
<script type="text/javascript">
function $(id){
return document.getElementById(id);
}
function pageload(){
//获取数据
var name = localStorage.getItem("KeyName");
var pwd =localStorage.getItem("KeyPass");
if(name){
$("name").value = name;
}
if(pwd){
$("pwd").value = pwd;
}
}
function btn_click(){
var name= $("name").value
var pwd =$("pwd").value;
localStorage.setItem("KeyName",name);
if($("checksave").checked){
localStorage.setItem("KeyPass",pwd);
}else{
localStorage.removeItem("KeyPass");
}
$("sid").className ="status"
$("sid").innerHTML = "登陆成功"
}
</script>
</html>
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