通过鼠标拖动改变二个表格格宽度

很长时间了，还有人知道吗？
网上看到有个通过鼠标拖动改变单元格宽度：
代码：
<html>
<head>
<meta http-equiv="content-Type" content="text/html;charset=gb2312">
<meta name="keywords" content="站长,网页特效,网页特效代码,js特效,js脚本,脚本,广告代码,zzjs,zzjs.net,www.zzjs.net,站长特效网" />
<meta name="description" content="www.zzjs.net,站长特效网，站长必备js特效及广告代码。大量高质量js特效，提供高质量广告代码下载,尽在站长特效网" />
<title>网页特效鼠标拖动改变单元格宽度站长特效网欢迎您。</title>
<style type="text/css">

</style>
</head>
<body>
<a href="http://www.zzjs.net/">站长特效网</a>,站长必备的高质量网页特效和广告代码。zzjs.net，站长js特效。<hr>
<div> 表1 <br>
  <table id="dataTable" border="1" cellpadding="0" cellspacing="0" style="table-layout:fixed;border-collapse:collapse;">
  <colgroup>
    <col style="width:200px;" />
    <col style="width:100px;" />
    <col style="width:100px;" />
    <col style="width:100px;" />
    <col style="width:100px;" />
    </colgroup>
  <tr>
    <td>站长一号</td>
    <td>站长二号</td>
    <td>站长三号</td>
    <td>站长四号</td>
    <td>站长五号</td>
   </tr>
  <tr>
    <td>a</td>
    <td> b</td>
    <td> c</td>
    <td>d </td>
    <td>e </td>
   </tr>
  <tr>
    <td> </td>
    <td> </td>
    <td> </td>
    <td> </td>
    <td> </td>
   </tr>
  <tr>
    <td> </td>
    <td> </td>
    <td> </td>
    <td> </td>
    <td> </td>
   </tr>
  <tr>
    <td> </td>
    <td> </td>
    <td> </td>
    <td> </td>
    <td> </td>
   </tr>
  <tr>
    <td> </td>
    <td> </td>
    <td> </td>
    <td> </td>
    <td> </td>
   </tr>
  </table>

表2<br>
  <table id="dataTable2" border="1" cellpadding="0" cellspacing="0" style="table-layout:fixed;border-collapse:collapse;">
    <colgroup>
      <col style="width:200px;" />
      <col style="width:100px;" />
      <col style="width:100px;" />
      <col style="width:100px;" />
      <col style="width:100px;" />
    </colgroup>
    <tr>
      <td>站长一号</td>
    <td>站长二号</td>
    <td>站长三号</td>
    <td>站长四号</td>
    <td>站长五号</td>
   </tr>
  <tr>
    <td>a</td>
    <td> b</td>
    <td> c</td>
    <td>d </td>
    <td>e </td>
   </tr>
  </table>
</div><script language="javascript" type="text/javascript">
var JPos = {};
(function($){
$.getAbsPos = function(pTarget){
  var x_ = y_ = 0;
  if(pTarget.style.position != "absolute"){
   while(pTarget.offsetParent){
     x_ += pTarget.offsetLeft;
     y_ += pTarget.offsetTop;
     pTarget = pTarget.offsetParent;
   }
  }
   x_ += pTarget.offsetLeft;
   y_ += pTarget.offsetTop;
  return {x:x_,y:y_};
}
$.getEventPos = function(evt){
   var _x,_y;
   evt = JEvent.getEvent(evt);
   if(evt.pageX || evt.pageY){
    _x = evt.pageX;
    _y = evt.pageY;
   }else if(evt.clientX || evt.clientY){
    _x = evt.clientX + (document.body.scrollLeft || document.documentElement.scrollLeft) - (document.body.clientLeft || document.documentElement.clientLeft);
    _y = evt.clientY + (document.body.scrollTop || document.documentElement.scrollTop) - (document.body.clientTop || document.documentElement.clientTop);
   }else{
    return $.getAbsPos(evt.target);
   }
   return {x:_x,y:_y};
}
})(JPos);
//=======================================================================================
var JEvent = {};
(function($){
$.getEvent = function(evt){
  evt = window.event || evt;
  if(!evt){
   var fun = JEvent.getEvent.caller;
   while(fun != null){
    evt = fun.arguments[0];
    if(evt && evt.constructor == Event)
     break;
    fun = fun.caller;
   }
  }
  return evt;
}
$.doEvent = function(fun){
  var args = arguments;
  return function(){
   return fun(args);
  }
}
})(JEvent);
//=======================================================================================function initTable(tableId){
var colIndex;
var dataTable = document.getElementById(tableId);
var cols = dataTable.getElementsByTagName("COL");
var dragMask = document.createElement("DIV");
var mAWidth = mAHeight = 300;
document.body.insertBefore(dragMask,document.body.lastChild);
dragMask.style.cssText = "width:" + mAWidth + "px;height:" + mAHeight + "px;position:absolute;background-color:#000;filter: Alpha(Opacity=10);-moz-opacity:0.1;opacity: 0.1;display:none;z-index:999999999;display:none;";
var mask_mousemove = function(evt){
if(document.selection){//IE ,Opera
  if(document.selection.empty)
   document.selection.empty();//IE
  else{//Opera
   document.selection = null;
  }
}else if(window.getSelection){//FF,Safari
  window.getSelection().removeAllRanges();
}
var oPos = JPos.getAbsPos(this);
var mPos = JPos.getEventPos(evt);
var x = mPos.x - oPos.x - mAWidth / 2;
var tmpX = parseInt(cols[colIndex].style.width) + x;
dragMask.style.left = mPos.x - mAWidth / 2 + "px";
cols[colIndex].style.width = tmpX >= 2 ? tmpX + "px" : "2px";
if(!document.all)
  dataTable.parentNode.style.width = dataTable.parentNode.clientWidth + x + "px";//这一句为处理FF时用。
}//欢迎来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
var mask_mouseup = function(evt){
dragMask.style.display = "none";
}
dragMask.onmousemove = mask_mousemove;
dragMask.onmouseup = mask_mouseup;
var cell_mousedown = function(evt){
colIndex = this.colIndex;
var mPos = JPos.getEventPos(evt);
with(dragMask.style){
  left = mPos.x - mAWidth / 2  + "px";
  top = mPos.y - mAHeight / 2 + "px";
  display = "";
}
}
var chk_click = function(evt){
var obj = cols[this.colIndex];
if(this.checked){
  obj.style.cssText = obj.css_ ? obj.css_ : "width:100px;";
}else{
  obj.css_ = obj.style.cssText;
  obj.style.cssText = document.all ? "display:none" : "visibility: collapse;overflow:hidden;width:0px;";
}
}
var i , o;
var label ,chk;
for(i = 0 ; o = dataTable.rows[0].cells[i] ; i++){
o.colIndex = i;
o.onmousedown = cell_mousedown;
label = document.createElement("LABEL");
document.body.insertBefore(label,document.body.lastChild);
chk = document.createElement("INPUT");
}
}
initTable('dataTable')
initTable('dataTable2')
</script>
</body>
</html>

调试易

通过鼠标拖动改变二个表格格宽度

解决方案 »