jQuery Div拖动+键盘控制综合效果
- <!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>
- <title>jQuery Div拖动+键盘控制综合效果</title>
- <meta http-equiv="content-type" content="text/html;charset=gb2312">
- <script src="/ajaxjs/jquery1.3.2.js"></script>
- </head>
- <body>
- 预览时看不到效果，刷新一下即可
- <div id="text" style="width:120px;height:60px;background:#F06;position:absolute;left:500px;top:90px;cursor:move;"></div>
- <script type="text/javascript">
- var msgObj = document.getElementById('text');
- var posx = 0;
- var posy = 0;
- var moveable = false;
- var MouseDownEvent = document.onmousedown;
- var MouseMoveEvent = document.onmousemove;
- var MouseUpEvent = document.onmouseup;
- msgObj.onmousedown = function(evt) {
- var evt = evt||window.event;
- moveable = true;
- posy = evt.clientY-parseInt(msgObj.style.top);
- posx = evt.clientX-parseInt(msgObj.style.left);
- document.onmousemove = function(evt) {
- if (moveable) {
- var evt = evt||window.event;
- msgObj.style.left = evt.clientX - posx + "px";
- msgObj.style.top = evt.clientY - posy + "px";
- }
- change();
- };
- document.onmouseup = function () {
- if (moveable) {
- document.onmousemove = MouseMoveEvent;
- document.onmouseup = MouseUpEvent;
- moveable = false;
- posx = 0;
- posy = 0;
- }
- };
- }
- var v=1;
- var a=0.9;
- var h=document.documentElement.clientHeight;
- function scroll(){
- var timer=setInterval(function(){
- v +=a;
- var top=(parseInt(msgObj.style.top)||0);
- if(top+v>h-70){
- if(v<2)clearInterval(timer);
- msgObj.style.top=h-70+"px";
- v=-v*0.5;
- }else{
- msgObj.style.top=top+v+"px";
- }
- change();
- },10);
- };
- $(document).keyup(function(e){
- var e = e || window.event ;
- if(e.which == 13){
- scroll();
- }
- })
- var x = 4 ;
- var y = 4 ;
- function newpro(){
- var Height = document.documentElement.clientHeight ;
- var Width = document.documentElement.clientWidth ;
- var newobj = document.createElement('div');
- newobj.setAttribute('id','bigbox');
- newobj.style.position = 'absolute';
- newobj.style.left = 20 +"px";
- newobj.style.top = 80 +"px";
- newobj.style.height = Height/x +"px" ;
- newobj.style.width = Width/y +"px" ;
- newobj.style.borderWidth = 1+"px";
- newobj.style.borderColor = "#ff6500";
- newobj.style.borderStyle = 'solid' ;
- newobj.innerHTML='<div id="minbox"></div>';
- document.body.appendChild(newobj);
- change();
- }
- function change(){
- var minobj = document.getElementById('minbox');
- minobj.style.position = 'absolute';
- minobj.style.left = parseInt(msgObj.style.left)/x +"px";
- minobj.style.top = parseInt(msgObj.style.top)/y +"px";
- minobj.style.height = 20 +"px" ;
- minobj.style.width = 30 +"px" ;
- minobj.style.background = "#F06";
- }
- window.onload = function(){
- newpro();
- }
- </script>
- </body>
- </html>
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