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table的列固定

<body onload="showFix(true,false,initTableId);"

<!doctype html>  
<html lang="en">  
 <head>  
  <meta charset="UTF-8">  
  <meta name="Generator" content="EditPlus?">  
  <meta name="Author" content="">  
  <meta name="Keywords" content="">  
  <meta name="Description" content="">  
  <title>Document</title>  
  <style type="text/css">  
    body{  
       margin:0px;  
    }  
    table{  
        width:auto;  
        margin:0px;  
        font:Georgia 11px;  
        color:#333333;  
        text-align:center;  
        border-collapse:collapse;   
    }  
    table td{  
        border:1px solid #f00;  
        width:100px;  
        height:30px;  
        padding:15px;  
    }   
 </style>  
  
 <script>  
    
    var initLeft;  
    var initTop;   
    var isFixColumn = false;  
    var isFixRow = false;  
    /**  
     * added by 王伟 20160612  
     * param:  
     *    isFixC: 是否固定列 true/false  
     *    isFixR: 是否固定行 true/false  
     *    initTableId: 原始表ID  
     */  
    function showFix(isFixC,isFixR,initTableId){    
        //是否显示固定列或者固定行  
        isFixColumn = isFixC;  
        isFixRow = isFixR;  
        if(checkScrollBar(‘h‘)){  
             document.getElementById("fixedColumnDiv").style.display="block";  
        }  
        if(checkScrollBar(‘y‘)){  
             document.getElementById("fixedRowDiv").style.display="block";  
        }  
        //获取原始表的具体位置  
        var initTable = document.getElementById(initTableId);  
        initLeft = getPosition(initTable,‘left‘);  
        initTop = getPosition(initTable,‘top‘); //如果div和table 之间有margin,则减去响应数值  
  
        if(checkScrollBar(‘h‘)){  
            var fixedColumnDiv = document.getElementById("fixedColumnDiv");  
            fixedColumnDiv.style.position=‘absolute‘;   
            fixedColumnDiv.style.left = initLeft;  
            fixedColumnDiv.style.top = initTop;   
        }   
        if(checkScrollBar(‘y‘)){  
            var fixedRowDiv = document.getElementById("fixedRowDiv");  
            fixedRowDiv.style.position=‘absolute‘;   
            fixedRowDiv.style.left = initLeft;  
            fixedRowDiv.style.top = initTop;   
        }  
    }  
  
      
    /**  
     * 滚动时重新设置div层的位置   
     */  
    window.onscroll = function(){    
          if(checkScrollBar(‘h‘)){    
              var scrollLeft = document.documentElement.scrollLeft || document.body.scrollLeft;  
              var fixedColumnDiv = document.getElementById("fixedColumnDiv");  
              fixedColumnDiv.style.position=‘absolute‘;  
              fixedColumnDiv.style.left = (initLeft+scrollLeft)+‘px‘;  
              fixedColumnDiv.style.top = initTop+‘px‘;  
          }  
          if(checkScrollBar(‘y‘)){   
              var scrollTop = document.documentElement.scrollTop || document.body.scrollTop;  
              var fixedRowDiv = document.getElementById("fixedRowDiv");  
              fixedRowDiv.style.position=‘absolute‘;  
              fixedRowDiv.style.left = initLeft+‘px‘;  
              fixedRowDiv.style.top = (initTop+scrollTop)+‘px‘;  
          }  
    }   
   
    /**  
     * 获取元素的位置偏移量信息  
     * param:  
     *    left:获取左偏移量  
     *    top: 获取上偏移量  
     */  
    function getPosition(obj,type){   
        var topValue= http://www.mamicode.com/0,leftValue= 0;  "," + topValue;  
        if(type == ‘left‘){  
            return   leftValue;  
        }else if(type == ‘top‘){  
            return topValue;  
        }else {  
            return 0;  
        }  
    }   
  
    /**  
     * 获取是否有滚动条  
     * param: h: 判断是否有横向滚动条,y:判断是否有竖向滚动条  
     * return:boolean, true:有,false:无  
     */  
    function checkScrollBar(type){   
        //判断是否有滚动条,有滚动条才显示固定列层  
        var visuals = getPageSize(‘visual‘);  
        var reals = getPageSize(‘real‘);  
        if(type == ‘h‘ && isFixColumn){  
            if(document.body.style.overflow!="hidden"  
                && document.body.scroll!="no"  
                    && reals[1] > visuals[1])  
            {  
                 return true;  
            }else{   
                 return false;  
            }   
        }  
        if(type == ‘y‘ && isFixRow){  
            if(document.body.style.overflow!="hidden"  
                && document.body.scroll!="no"  
                    && reals[0] > visuals[0])  
            {  
                 return true;  
            }else{   
                 return false;  
            }   
        }  
        return false;  
    }  
  
    /**  
     * 浏览器兼容的获取网页实际内容大小  
     * param: type 获取大小类型(visual或real)  
     * 参数值说明: visual: 获取网页课件区域高宽,real:网页内容真实宽高  
     */  
    function getPageSize(type) {       
        //检测浏览器的渲染模式       
        var body = (document.compatMode&&document.compatMode.toLowerCase() == "css1compat")?document.documentElement:document.body;  
        var bodyOffsetWidth = 0;  
        var bodyOffsetHeight = 0;  
        var bodyScrollWidth = 0;  
        var bodyScrollHeight = 0;  
        var pageDimensions = [0, 0];  
        pageDimensions[0] = body.clientHeight;  
        pageDimensions[1] = body.clientWidth;  
        if(type == ‘visual‘){  
           return pageDimensions;  
        }  
        bodyOffsetWidth = body.offsetWidth;  
        bodyOffsetHeight = body.offsetHeight;  
        bodyScrollWidth = body.scrollWidth;  
        bodyScrollHeight = body.scrollHeight;  
        if (bodyOffsetHeight > pageDimensions[0]) {  
            pageDimensions[0] = bodyOffsetHeight;  
        }  
        if (bodyOffsetWidth > pageDimensions[1]) {  
            pageDimensions[1] = bodyOffsetWidth;  
        }  
        if (bodyScrollHeight > pageDimensions[0]) {  
            pageDimensions[0] = bodyScrollHeight;  
        }  
        if (bodyScrollWidth > pageDimensions[1]) {  
            pageDimensions[1] = bodyScrollWidth;  
        }  
        return pageDimensions;  
    }  
   
 </script>  
 </head>  
 <body onl oad="showFix(true,false,‘initTable‘);">  
  <table id="initTable">  
  <tr>  
        <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td>  
        <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td>  
        <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td>  
        <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td>  
  </tr>  
  <tr>  
        <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td>  
        <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td>  
        <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td>  
        <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td>  
  </tr>  
  <tr>  
        <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td>  
        <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td>  
        <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td>  
        <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td>  
  </tr>  
  <tr>  
        <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td>  
        <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td>  
        <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td>  
        <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td>  
  </tr>  
  <tr>  
        <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td>  
        <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td>  
        <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td>  
        <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td>  
  </tr>  
  <tr>  
        <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td>  
        <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td>  
        <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td>  
        <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td>  
  </tr>  
  <tr>  
        <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td>  
        <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td>  
        <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td>  
        <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td>  
  </tr>   
  <tr>  
        <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td>  
        <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td>  
        <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td>  
        <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td>  
  </tr>   
  </table>  
  
  <!-- 复制的固定头两列 -->  
  <div id="fixedColumnDiv" align="center" style="width:100px;position:Fixed;display:none;">   
  <table>  
    <tr bgcolor="red"><td>111</td><td>222</td></tr>  
    <tr bgcolor="red"><td>111</td><td>222</td></tr>  
    <tr bgcolor="red"><td>111</td><td>222</td></tr>  
    <tr bgcolor="red"><td>111</td><td>222</td></tr>  
    <tr bgcolor="red"><td>111</td><td>222</td></tr>  
    <tr bgcolor="red"><td>111</td><td>222</td></tr>  
    <tr bgcolor="red"><td>111</td><td>222</td></tr>  
    <tr bgcolor="red"><td>111</td><td>222</td></tr>   
  </table>  
  </div>  
  
  <!-- 复制的固定头一行 -->  
  <div id="fixedRowDiv" align="center" style="height:auto;position:Fixed;display:none;">   
  <table>  
    <tr bgcolor="blue">  
        <td>111</td><td>222</td><td>333</td><td>444</td><td>555</td><td>666</td>  
        <td>777</td><td>888</td><td>999</td><td>000</td><td>aaa</td><td>bbb</td>  
        <td>ccc</td><td>ddd</td><td>eee</td><td>fff</td><td>ggg</td><td>nnn</td>  
        <td>bbb</td><td>ccc</td><td>www</td><td>eee</td><td>vvv</td><td>rrr</td>  
    </tr>  
  </table>  
  </div>  
  
 </body>  
</html>  

  

table的列固定