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js控制table合并具体实现

作者:佚名    责任编辑:admin    更新时间:2022-06-22

 这篇文章主要介绍了js控制table合并的具体实现,需要的朋友可以参考下

 代码如下: <!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>  <td rowspan="0">张三 </td>  <td>男 </td>  <td>22 </td>  <td>数学 </td>  <td>90 </td>  </tr>  <tr>  <td rowspan="0">张三 </td>  <td>男 </td>  <td>22 </td>  <td>数学 </td>  <td>90 </td>  </tr>  <tr>  <td rowspan="0">张三 </td>  <td>女 </td>  <td>22 </td>  <td>语文 </td>  <td>70 </td>  </tr>  <tr>  <td rowspan="0">张三 </td>  <td>女 </td>  <td>22 </td>  <td>英语 </td>  <td>60 </td>  </tr>  <tr>  <td rowspan="0">李四 </td>  <td>女 </td>  <td>22 </td>  <td>数学 </td>  <td>60 </td>  </tr>  <tr>  <td rowspan="0">李四 </td>  <td>女 </td>  <td>19 </td>  <td>语文 </td>  <td>60 </td>  </tr>  <tr>  <td rowspan="0">王五 </td>  <td>男 </td>  <td>19 </td>  <td>英语 </td>  <td>60 </td>  </tr>  </table>    <script type="text/javascript">  window.onload = function(){  var tab = document.getElementById("tab");  var col =0;    megercell(tab, col);    megercell1(tab, col+1);    for(var i=0; i<tab.rows.length; i++){  // alert(tab.rows[i].cells[0].getAttribute("rowspan"));  }  };      function megercell(tab, 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){  from = i - count;    tab.rows[from].cells[col].rowSpan = count;  for(var j=from+1; j<i; j++){  tab.rows[j].cells[col].style.display = "none";  }  count = 1;  }  val = tab.rows[i].cells[col].innerHTML;  }  }  }    function megercell1(tab, col){  count = 1;  val = "";  var rowspan = 0;  for(var i=0; i<tab.rows.length;){  rowspan = parseInt(tab.rows[i].cells[0].getAttribute("rowspan"));    if(rowspan)  {  for(var n = 0; n < rowspan; n++)  {  if(val == tab.rows[i].cells[col].innerHTML){  count++;  }else{  if(count > 1){  from = i - count;  tab.rows[from].cells[col].rowSpan = count;  for(var j=from+1; j<i; j++){  tab.rows[j].cells[col].style.display = "none";  }  count = 1;  }  val = tab.rows[i].cells[col].innerHTML;  }  i++;  }  if(count > 1)  {  from = i - count;    alert(from +" "+ i +" "+ count);  tab.rows[from].cells[col].rowSpan = count;  for(var j=from+1; j<i; j++){  tab.rows[j].cells[col].style.display = "none";  }  }  count = 1;  val = "";  }  else  {  i++;  }  }  }    </script>  </body>  </html>