日期:2014-05-16 浏览次数:20355 次
<html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script> <style type="text/css"> #myMessageDiv { position:absolute; left:100px; top:100px; width: 500px; height: 400px; border: 2px solid #C0C0C0; background-image: url(http://www.yindaoxian.com/uploads/allimg/090720/150451M45-7.jpg); cursor:pointer; } </style> </head> <body> <form id="form1" runat="server"> <div id="myMessageDiv"> </div> </form> </body> </html> <script type="text/javascript"> var moving = 0; var _x, _y; $("#myMessageDiv").mousedown(function (event) { //debugger; this.setCapture(); moving = 1; //开始移动标识 _x = event.clientX; _y = event.clientY; }); $("#myMessageDiv").mouseup(function () { this.releaseCapture(); moving = 0; }); $("#myMessageDiv").mousemove(function (event) { if (moving == 1) { var x = event.clientX; var y = event.clientY; //为窗体赋新位置 var X0 = parseInt($("#myMessageDiv").css("left")); var Y0 = parseInt($("#myMessageDiv").css("top")); $("#myMessageDiv").css("top", (Y0 + y - _y)); $("#myMessageDiv").css("left", (X0 + x - _x)); _x = x; _y = y; } }); </script>
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javascript拖拽
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我靠~我的回答跑哪去了~我辛苦打的代码啊
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刚没事写了一下,拖拽原理很简单,只是要封装好,留好API,这样就可以做出很多效果
写这么多,给点分吧,好久没上,都挣不到分了。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>drag</title> </head> <body> <script type="text/javascript"> (function(w) { var drag = function(op) { this.hander = op.hander || null; this.target = op.target || op.hander || null; this.start = op.start || null; this.move = op.move || null; this.end = op.end || null; this.pos = null; this.draging = false; if(this.hander) { addEvent(this.hander, 'mousedown', bind(this, this.dragStart)); addEvent(document, 'mousemove', bind(this, this.dragMove)); addEvent(document, 'mouseup', bind(this, this.dragEnd)); } } drag.prototyp