JS拖动改变表格列宽的实现_层和布局特效

用Js实现可以拖动列宽的表格，在IE下完全兼容，但在火狐和其它浏览器表现不佳，根据你的需求了，高手的话自己修改一下吧。

<html> 
<title>拖动列宽的表格</title> 
<meta http-equiv="Content-Type" mrc="text/html; charset=gb2312"> 
<style type="text/css">
.bg td{
font-size:12px;
text-align:left;
line-height:15px;
height:20px;
}
.bg td.tit{
    background-color:#e2e2e2;
    height:17px;
	text-align:center;
	line-height:15px;
}
.bg td.num{
    background-color:#e2e2e2;
	text-align:right;
	line-height:15px;
	width:30px;
	height:22px;
}
.resizeDivClass{
   text-align:right;
   width:1px;
   margin:0px 0 0px 0;
   background:#fff;
   border:0px;
   float:right;
   cursor:e-resize;
} 
</style>
<script language="javascript">
function MouseDownToResize(obj){ 
setTableLayoutToFixed(); 
obj.mouseDownX=event.clientX; 
obj.pareneTdW=obj.parentElement.offsetWidth; 
obj.pareneTableW=theObjTable.offsetWidth; 
obj.setCapture(); 
} 
function MouseMoveToResize(obj){ 
    if(!obj.mouseDownX) return false; 
    var newWidth=obj.pareneTdW*1+event.clientX*1-obj.mouseDownX; 
    if(newWidth>10) 
    { 
	var theObjTable = document.getElementById("theObjTable");
	obj.parentElement.style.width = newWidth; 
	theObjTable.style.width=obj.pareneTdW*1+event.clientX*1-obj.mouseDownX; 
	} 
} 
function MouseUpToResize(obj){ 
obj.releaseCapture(); 
obj.mouseDownX=0; 
} 
function setTableLayoutToFixed() 
{ 
 var theObjTable = document.getElementById("theObjTable");
 if(theObjTable.style.tableLayout=='fixed') return; 
   var headerTr=theObjTable.rows[0]; 
    for(var i=0;i<headerTr.cells.length;i++) 
    { 
    headerTr.cells[i].styleOffsetWidth=headerTr.cells[i].offsetWidth; 
    } 
     
    for(var i=0;i<headerTr.cells.length;i++) 
    { 
    headerTr.cells[i].style.width=headerTr.cells[i].styleOffsetWidth; 
    } 
    theObjTable.style.tableLayout='fixed'; 
} 
</script> 
<script language="javascript"></script>
<body >
<table width="100%"  class="bg"   border=1 cellspacing=0   bordercolorlight="#7b7b7b"  bordercolordark="#efefef" id="theObjTable" > 
       <tr > 
            <td class="num" >序号</td> 
            <td width="100px" class="tit" > 
            <span class="resizeDivClass" onMouseDown="MouseDownToResize(this);" onMouseMove="MouseMoveToResize(this);" onMouseUp="MouseUpToResize(this);"></span>  
            公司名称  
            </td> 
            <td class="tit" > 
            <span class="resizeDivClass" onMouseDown="MouseDownToResize(this);" onMouseMove="MouseMoveToResize(this);" onMouseUp="MouseUpToResize(this);"></span>  
            订单客户 
            </td> 
            <td class="tit" > 
            <span class="resizeDivClass" onMouseDown="MouseDownToResize(this);" onMouseMove="MouseMoveToResize(this);" onMouseUp="MouseUpToResize(this);"></span>  
            部门  
            </td> 
            <td class="tit" > 
            <span class="resizeDivClass" onMouseDown="MouseDownToResize(this);" onMouseMove="MouseMoveToResize(this);" onMouseUp="MouseUpToResize(this);"></span>  
            业务员 
            </td> 
            <td class="tit" > 
            <span class="resizeDivClass" onMouseDown="MouseDownToResize(this);" onMouseMove="MouseMoveToResize(this);" onMouseUp="MouseUpToResize(this);"></span>  
            交款方式 
            </td> 
      </tr> 
      <tr  > 
           <td  class="num" >1</td> 
           <td >中国电信</td> 
           <td >订单客户名称</td> 
           <td >广告部</td> 
           <td >王天一</td> 
           <td >现金</td> 
      </tr > 
      <tr  > 
           <td class="num" >2</td> 
           <td >中国移动</td> 
           <td >订单客户名称</td> 
           <td >营销部</td> 
           <td >李小红</td> 
           <td >信用卡</td> 
      </tr > 
      <tr  > 
           <td class="num" >3</td> 
           <td >中国联通</td> 
           <td >订单客户名称</td> 
           <td >市场部</td> 
           <td >王老二</td> 
           <td >银行卡</td> 
      </tr > 
</table> 
<script language="javascript"></script>
</body> 
</html>

所属频道：层和布局特效/更新时间：2013-01-07

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JS拖动改变表格列宽的实现_层和布局特效

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