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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="author" content="……"/>
<title>自适应弹出框</title>
<style type="text/css">
.box-mask {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: #000;
opacity: 0.5;
filter: alpha(opacity=50);
z-index: 99;
display: none;
}
.box {
position: absolute;
padding:10px;
border: 1px solid #ccc;
background: #F0F0F0;
text-align: center;
z-index: 101;
display: none;
}
.btnDel {
font: "微软雅黑";
font-size: 14px;
width: 125px;
height: 33px;
line-height: 33px;
vertical-align: middle;
background-image: url(images/btn.png);
background-repeat: no-repeat;
border: 0px !important;
color: #fff;
cursor: pointer;
background-color: transparent;
}
</style>
<script src="js/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
var isOpen = 0;
//全局变量，判断是否已经打开弹出框
$(".btnDel").click(function() {
//$(".box-mask").css({"display":"block"});
$(".box-mask").fadeIn(500);
center($(".box"));
//载入弹出窗口上的按钮事件
checkEvent($(this).parent(), $(".btnSure"), $(".btnCancel"));
});
function center(obj) {
//obj这个参数是弹出框的整个对象
var screenWidth = $(window).width(), screenHeigth = $(window).height();
//获取屏幕宽高
var scollTop = $(document).scrollTop();
//当前窗口距离页面顶部的距离
var objLeft = (screenWidth - obj.width()) / 2;
///弹出框距离左侧距离
var objTop = (screenHeigth - obj.height()) / 2 + scollTop;
///弹出框距离顶部的距离
obj.css({
left:objLeft + "px",
top:objTop + "px"
});
obj.fadeIn(500);
//弹出框淡入
isOpen = 1;
//弹出框打开后这个变量置1 说明弹出框是打开装填
//当窗口大小发生改变时
$(window).resize(function() {
//只有isOpen状态下才执行
if (isOpen == 1) {
//重新获取数据
screenWidth = $(window).width();
screenHeigth = $(window).height();
var scollTop = $(document).scrollTop();
objLeft = (screenWidth - obj.width()) / 2;
var objTop = (screenHeigth - obj.height()) / 2 + scollTop;
obj.css({
left:objLeft + "px",
top:objTop + "px"
});
obj.fadeIn(500);
}
});
//当滚动条发生改变的时候
$(window).scroll(function() {
if (isOpen == 1) {
//重新获取数据
screenWidth = $(window).width();
screenHeigth = $(window).height();
var scollTop = $(document).scrollTop();
objLeft = (screenWidth - obj.width()) / 2;
var objTop = (screenHeigth - obj.height()) / 2 + scollTop;
obj.css({
left:objLeft + "px",
top:objTop + "px"
});
obj.fadeIn(500);
}
});
}
//导入两个按钮事件 obj整个页面的内容对象，obj1为确认按钮，obj2为取消按钮
function checkEvent(obj, obj1, obj2) {
//确认后删除页面所有东西
obj1.click(function() {
//移除所有父标签内容
obj.remove();
//调用closed关闭弹出框
closed($(".box-mask"), $(".box"));
});
//取消按钮事件
obj2.click(function() {
//调用closed关闭弹出框
closed($(".box-mask"), $(".box"));
});
}
//关闭弹出窗口事件
function closed(obj1, obj2) {
obj1.fadeOut(500);
obj2.fadeOut(500);
isOpen = 0;
}
});
</script>
</head>
<body>
<input type="submit" class="btnDel" value="删除"/>
<div class="box-mask"></div>
<div class="box">
<p>确定要删除吗？</p>
<p>
<input type="button" value="确定" class="btnSure"/>
<input type="button" value="取消"class="btnCancel"/>
</p>
</div>
</body>
</html>标签：
原文地址：http://blog.csdn.net/liyuedan/article/details/45672551
