JavaScript兑现鼠标拖拽的具体实例
日期：2014-05-16 浏览次数：20451 次
JavaScript实现鼠标拖拽的具体实例
JavaScript实现鼠标拖拽的具体实例
2010-12-01 17:23
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?实现鼠标拖拽详细的例子如下：完整复制可查看其效果
<html> <head> ??? <title>测试鼠标拖动效果</title> ???? <script> ?????? var move=false; ?????? var x; ?????? var y; ?????? function startDrag(target,dragObject){ ???????? if(event.button==1){ ??????????? var dragObj=document.getElementById(dragObject); ??????????? target.setCapture(); ??????????? target.style.backgroundColor="#ccc"; ??????????? x=event.clientX-parseInt(dragObj.style.left); ??????????? y=event.clientY-parseInt(dragObj.style.top); ???????????? move=true; ???????? } ?????? } ?????? function drag(dragObject){ ??????? //alert("drag"); ????????? if(move){ ??????????? var dragObj=document.getElementById(dragObject); ??????????? dragObj.style.left=event.clientX-x; ??????????? dragObj.style.top=event.clientY-y; ????????? } ?????? } ?????? function stopDrag(target,dragObject){ ????????? var dragObj=document.getElementById(dragObject); ????????? target.style.backgroundColor="#1a37a4"; ???????? target.releaseCapture(); ?????? } ???? </script> </head> <body> ???? <div id="targetObj" style="width:300px;position:absolute;top:10px;left:20px;z-index:10;" > ???????? <table width="100%"> ?????????? <tr> ????????????? <td style="width:100%;background-color:#1a37a4;height:30px;cursor:move;" onmousedown="startDrag(this,'targetObj');" onmousemove="drag('targetObj');" onmouseup="stopDrag(this,'targetObj');"> ???????????????? <font color="#ffffff">ALI_ZHEZHE Area</font> ????????????? </td> ?????????? </tr> ?????????? <tr> ????????????? <td style="width:100%;background-color:#ffffff;height:100px;text-align:center;"> ??????????????? Welcome to Ali_zhezhe's area! ????????????? <td> ?????????? </tr> ???????? </table> ???? </div> <body> </html> |
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