<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>传统拖拽</title>
<style type="text/css">
#dialog{
position: relative;
width: 200px;
top:50px;
left:100px;
}
#title{
width: 100%;
height:50px;
background:#D7DEF0;
line-height: 50px;
text-align: center;
cursor:move;
}
.content{
width: 100%;
height:200px;
background: #F0F0F0;
}
</style>
<script src="js/jquery-1.10.1.js"></script>
</head>
<body>
<div id="dialog" >
<div id="title"></div>
<div class="content"></div>
</div>
<script type="text/javascript">
$(document).ready(function(){
var isMouseDown=false;
var lastPoint={};
$("#title").on("mousedown",function(e){
isMouseDown=true;
lastPoint.x=e.pageX;
lastPoint.y=e.pageY;
}).on("mousemove",function(e){
if(isMouseDown){
var dialog=$("#dialog");//获得整个模态框
var targetX=parseInt(dialog.css("left"))+e.pageX-lastPoint.x;
var targetY=parseInt(dialog.css("top"))+e.pageY-lastPoint.y;
//将目标坐标的值给整个框的left,top
dialog.css("left",targetX+"px");
dialog.css("top",targetY+"px");
//更新坐标
lastPoint.x=e.pageX;
lastPoint.y=e.pageY;
}
}).on("mouseup",function(){//松开鼠标按钮的事件
isMouseDown=false;
lastPoint={};
});
});
</script>
</body>
</html>
原文：https://www.cnblogs.com/xu991377264/p/8995602.html