Javascript 动态合并table单元格

原博客地址:https://blog.csdn.net/kida_yuan/article/details/51371487
直接保存html浏览器打开看效果,谢谢原博主提供,转载方便自己以后参考
<!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> 
<meta http-equiv="Content-Type" content="text/html; charset=GBK" /> 
<title>无标题文档 </title> 
</head> 

<body> 
<table width="100%" border="1" cellspacing="0" cellpadding="0" id="tab"> 
  <tr height="48">
    <td height="48" width="72">选择</td>
    <td width="72">积分表编号</td>
    <td width="72">应用对象</td>
    <td width="72">所属线条</td>
    <td width="72">事件分类</td>
    <td width="72">事件等次</td>
    <td width="68">事件积分</td>
    <td width="135">评分说明</td>
    <td width="72">发文依据</td>
    <td width="72">条款编号(非必填)</td>
    <td width="40">备注</td>
  </tr>
  <tr height="50">
    <td height="50"> </td>
    <td>JF0001</td>
    <td width="72">业务外包人员</td>
    <td width="72">市场线</td>
    <td width="72">良好事件</td>
    <td width="72">诚信记录</td>
    <td>10</td>
    <td width="135">(一)    在维护或客户服务过程中,擅自修改用户数据或局数据的行为,每次扣从业资格积分10分。</td>
    <td width="72">xx分公司网运线维护外包从业人员积分管理规定</td>
    <td width="72">xx分公司网运线维护外包从业人员积分管理规定分公司网运线维护外包从业人员积分管理规定<br />
      第三条 、第七条</td>
    <td> </td>
  </tr>
  <tr height="32">
    <td height="32"> </td>
    <td>JF0002</td>
    <td width="72">业务外包人员</td>
    <td width="72">市场线</td>
    <td width="72">良好事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td> </td>
  </tr>
  <tr height="32">
    <td height="32"> </td>
    <td>JF0003</td>
    <td width="72">业务外包人员</td>
    <td width="72">市场线</td>
    <td width="72">良好事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td> </td>
  </tr>
  <tr height="32">
    <td height="32"> </td>
    <td>JF0004</td>
    <td width="72">业务外包人员</td>
    <td width="72">市场线</td>
    <td width="72">良好事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td> </td>
  </tr>
  <tr height="32">
    <td height="32"> </td>
    <td>JF0005</td>
    <td width="72">业务外包人员</td>
    <td width="72">市场线</td>
    <td width="72">不良事件</td>
    <td width="72">黑名单记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td> </td>
  </tr>
  <tr height="32">
    <td height="32"> </td>
    <td>JF0006</td>
    <td width="72">业务外包人员</td>
    <td width="72">市场线</td>
    <td width="72">不良事件</td>
    <td width="72">黑名单记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td> </td>
  </tr>
  <tr height="32">
    <td height="32"> </td>
    <td>JF0007</td>
    <td width="72">业务外包人员</td>
    <td width="72">市场线</td>
    <td width="72">不良事件</td>
    <td width="72">诚信记录</td>
    <td> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td> </td>
    <td> </td>
  </tr>
  <tr height="32">
    <td height="32"> </td>
    <td>JF0008</td>
    <td width="72">业务外包人员</td>
    <td width="72">市场线</td>
    <td width="72">不良事件</td>
    <td width="72">诚信记录</td>
    <td> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td> </td>
    <td> </td>
  </tr>
  <tr height="32">
    <td height="32"> </td>
    <td>JF0009</td>
    <td width="72">业务外包人员</td>
    <td width="72">网运线</td>
    <td width="72">良好事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td width="40"> </td>
  </tr>
  <tr height="32">
    <td height="32"> </td>
    <td>JF0010</td>
    <td width="72">业务外包人员</td>
    <td width="72">网运线</td>
    <td width="72">良好事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td width="40"> </td>
  </tr>
  <tr height="32">
    <td height="32"> </td>
    <td>JF0011</td>
    <td width="72">业务外包人员</td>
    <td width="72">网运线</td>
    <td width="72">良好事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td width="40"> </td>
  </tr>
  <tr height="32">
    <td height="32"> </td>
    <td>JF0012</td>
    <td width="72">业务外包人员</td>
    <td width="72">网运线</td>
    <td>不良事件</td>
    <td width="72">黑名单记录</td>
    <td> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td width="40"> </td>
  </tr>
  <tr height="32">
    <td height="32"> </td>
    <td>JF0013</td>
    <td width="72">业务外包人员</td>
    <td width="72">网运线</td>
    <td>不良事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td width="40"> </td>
  </tr>
  <tr height="18">
    <td height="18"> </td>
    <td>JF0014</td>
    <td width="72">业务外包商</td>
    <td width="72">市场线</td>
    <td width="72">良好事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135">待定</td>
    <td width="72"> </td>
    <td width="72">待定</td>
    <td> </td>
  </tr>
  <tr height="18">
    <td height="18"> </td>
    <td>JF0015</td>
    <td width="72">业务外包商</td>
    <td width="72">市场线</td>
    <td width="72">良好事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td> </td>
  </tr>
  <tr height="18">
    <td height="18"> </td>
    <td>JF0016</td>
    <td width="72">业务外包商</td>
    <td width="72">市场线</td>
    <td width="72">良好事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td> </td>
  </tr>
  <tr height="18">
    <td height="18"> </td>
    <td>JF0017</td>
    <td width="72">业务外包商</td>
    <td width="72">市场线</td>
    <td width="72">良好事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td> </td>
  </tr>
  <tr height="18">
    <td height="18"> </td>
    <td>JF0018</td>
    <td width="72">业务外包商</td>
    <td width="72">市场线</td>
    <td width="72">不良事件</td>
    <td width="72">黑名单记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td> </td>
  </tr>
  <tr height="18">
    <td height="18"> </td>
    <td>JF0019</td>
    <td width="72">业务外包商</td>
    <td width="72">市场线</td>
    <td width="72">不良事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td> </td>
  </tr>
  <tr height="18">
    <td height="18"> </td>
    <td>JF0020</td>
    <td width="72">业务外包商</td>
    <td width="72">市场线</td>
    <td width="72">不良事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td> </td>
  </tr>
  <tr height="18">
    <td height="18"> </td>
    <td>JF0021</td>
    <td width="72">业务外包商</td>
    <td width="72">市场线</td>
    <td width="72">不良事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td> </td>
  </tr>
  <tr height="18">
    <td height="18"> </td>
    <td>JF0022</td>
    <td width="72">业务外包商</td>
    <td width="72">网运线</td>
    <td width="72">良好事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135">待定</td>
    <td width="72"> </td>
    <td width="72">待定</td>
    <td> </td>
  </tr>
  <tr height="18">
    <td height="18"> </td>
    <td>JF0023</td>
    <td width="72">业务外包商</td>
    <td width="72">网运线</td>
    <td width="72">良好事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td> </td>
  </tr>
  <tr height="18">
    <td height="18"> </td>
    <td>JF0024</td>
    <td width="72">业务外包商</td>
    <td width="72">网运线</td>
    <td width="72">良好事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td> </td>
  </tr>
  <tr height="18">
    <td height="18"> </td>
    <td>JF0025</td>
    <td width="72">业务外包商</td>
    <td width="72">网运线</td>
    <td width="72">不良事件</td>
    <td width="72">黑名单记录</td>
    <td width="68"> </td>
    <td width="135">待定</td>
    <td width="72"> </td>
    <td width="72">待定</td>
    <td> </td>
  </tr>
  <tr height="18">
    <td height="18"> </td>
    <td>JF0026</td>
    <td width="72">业务外包商</td>
    <td width="72">网运线</td>
    <td width="72">不良事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td> </td>
  </tr>
  <tr height="18">
    <td height="18"> </td>
    <td>JF0027</td>
    <td width="72">业务外包商</td>
    <td width="72">网运线</td>
    <td width="72">不良事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td> </td>
  </tr>
  <tr height="18">
    <td height="18"> </td>
    <td>JF0028</td>
    <td width="72">业务外包商</td>
    <td width="72">网运线</td>
    <td width="72">不良事件</td>
    <td width="72">诚信记录</td>
    <td width="68"> </td>
    <td width="135"> </td>
    <td width="72"> </td>
    <td width="72"> </td>
    <td> </td>
  </tr>
</table> 

<script type="text/javascript">
window.onload = function(){
    var tab = document.getElementById("tab");
    var maxCol = 6, val, count, start;

    for(var col = maxCol-1; col >= 0 ; col--){
        count = 1;
        val = "";
        for(var i=0; i<tab.rows.length; i++){
            if(val == tab.rows[i].cells[col].innerHTML){
                count++;
            }else{
                if(count > 1){ //合并
                    start = i - count;
                    tab.rows[start].cells[col].rowSpan = count;
                    for(var j=start+1; j<i; j++){
                        tab.rows[j].cells[col].style.display = "none";
                    }
                    count = 1;
                }
                val = tab.rows[i].cells[col].innerHTML;
            }
        }
        if(count > 1 ){ //合并,最后几行相同的情况下
            start = i - count;
            tab.rows[start].cells[col].rowSpan = count;
            for(var j=start+1; j<i; j++){
                tab.rows[j].cells[col].style.display = "none";
            }
        }
    }
};

</script>
</body> 
</html>

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转载自blog.csdn.net/fxxashelly/article/details/80986620
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