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<title>模块拖拽-大前端</title>
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<h2><a href="http://www.daqianduan.com/" tittle="大前端-web前端开发">大前端</a></h2>
<h1>模块拖拽</h1>
<style type="text/css">
.drag{position:absolute;width:100px;height:100px;border:1px solid #ddd;background:#FBF2BD;text-align:center;padding:5px;top:100px;left:20px;cursor:move;}
</style>
<!--模块拖拽-->
<div class="drag">这个可以拖动哦 ^_^</div>
<script type="text/javascript">
// 模块拖拽
$(function(){
var _move=false; //移动标记
var _x,_y; //鼠标离控件左上角的相对位置
$(".drag").click(function(){
//alert("click");//点击（松开后触发）
}).mousedown(function(e){
_move=true;
_x=e.pageX-parseInt($(".drag").css("left"));
_y=e.pageY-parseInt($(".drag").css("top"));
$(".drag").fadeTo(20, 0.5); //点击后开始拖动并透明显示
});
$(document).mousemove(function(e){
if(_move){
var x=e.pageX-_x; //移动时根据鼠标位置计算控件左上角的绝对位置
var y=e.pageY-_y;
$(".drag").css({top:y,left:x});//控件新位置
}
}).mouseup(function(){
_move=false;
$(".drag").fadeTo("fast", 1); //松开鼠标后停止移动并恢复成不透明
});
});
</script>
<span style=" display:none;">
<script type="text/javascript">
var _bdhmProtocol = (("https:" == document.location.protocol) ? " https://" : " http://");
document.write(unescape("%3Cscript src='" + _bdhmProtocol + "hm.baidu.com/h.js%3Fa9b886889d9f2c3db067e0d618412df5' type='text/javascript'%3E%3C/script%3E"));
</script>
</span>
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