cookie、本地存储
2018-06-28 本文已影响0人
WANGLIN_HZ
1、cookie
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>cookie</title>
<style type="text/css">
</style>
<script type="text/javascript" src="js/jquery-1.12.4.min.js"></script>
<script type="text/javascript" src="js/jquery.cookie.js"></script>
<script type="text/javascript">
//cookie的读和写需要在服务器环境下
//写cookie
//参数：名称、值、有效期几天、路径
$.cookie('mycookie','ok!',{expires:7,path:'/'});
//读cookie
var val = $.cookie('mycookie');
alert(val);//ok!
</script>
</head>
<body>
</body>
</html>
2、本地存储
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>本地存储</title>
<style type="text/css">
</style>
<script type="text/javascript" src="js/jquery-1.12.4.min.js"></script>
<script type="text/javascript">
//写入
//[{"id":1,"num":2,....},{}..]
localStorage.setItem('mystorage','ok!');
//读取
alert(localStorage.mystorage);//ok!
//写入
// sessionStorage.setItem('name','tom');
//读取
alert(sessionStorage.name);//tom//没有弹undefined
localStorage.setItem('mystorage','{"goods":["1","2"]}');
</script>
</head>
<body>
</body>
</html>
3、jQueryUI
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>jQueryUI</title>
<style type="text/css">
.con{
width: 300px;
height: 300px;
border: 1px solid #000;
margin: 50px auto 0;
}
.box{
width: 50px;
height: 50px;
background-color: gold;
cursor: pointer;/*鼠标经过时指针为手的形状*/
}
</style>
<script type="text/javascript" src="js/jquery-1.12.4.min.js"></script>
<script type="text/javascript" src="js/jquery-ui.min.js"></script>
<script type="text/javascript">
$(function(){
//draggable()使盒子可以任意拖动
$('.box').draggable({
//约束元素在父级内拖动
containment:'parent',
//限制在X轴方向上可以拖动
axis:'x',
//拖动时透明度变为60%
opacity:0.6,
//可以返回拖动的参数
drag:function(ev,ui){
// console.log(ui);//json格式的对象，offset是绝对位置，position是相对父级的位置
console.log(ui.position.left);//从左到右是1到250
}
});
})
</script>
</head>
<body>
<div class="con">
<div class="box"></div>
</div>
</body>
</html>
