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Example of how to dynamically modify table and merge cells using JS

高洛峰Original: 2017-02-21 14:24:011058browse

This article mainly introduces the method of dynamically modifying table and merging cells in JS. It analyzes the specific operation skills of JS dynamically traversing and modifying table cells in the form of a complete example. Friends in need can refer to the following

The example of this article describes the method of dynamically modifying the table and merging cells using JS. Share it with everyone for your reference, the details are as follows:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>table</title>
<script language="javascript" type="text/javascript">
function maketotal(){
 var pageCount=4;
 var currenttype;
 var indexstr="";
    var tabObj = document.getElementById("printtable");
  //行数
    var rowCount = tabObj.rows.length;
  //列数
    var cellCount = tabObj.rows[0].cells.length;
 for(var q=1;q<rowCount;q++){
  choosetype=tabObj.rows[q].cells[0].innerHTML;
  if(q==1){
  currenttype=choosetype;
  }
  if(currenttype!=choosetype){
  indexstr=q+","+indexstr;
  }
 }
 alert(indexstr.split(",").length);
 for(var p=0;p<indexstr.split(",").length;p++){
  var temp=indexstr.split(",")[p];
  if(temp!=""){
  var newRow = tabObj.insertRow(temp);
  for(var g=0;g<cellCount;g++)
  {
   var littleCount=0;
   for(var h=1;h<rowCount;h++){
   if(tabObj.rows[h].cells[g]){
    if(g>1){
    littleCount=littleCount+parseInt(tabObj.rows[h].cells[g].innerHTML);
    }
   }
   }
   if(g>1&&g!=6){
   newRow.insertCell(g).innerHTML=littleCount;
   }else if(g==6){
   newRow.insertCell(g).innerHTML="";
   }else{
   newRow.insertCell(g).innerHTML="小计";
   }
  }
  }
 }
 var newRow = tabObj.insertRow(0);
 for(var g=0;g<cellCount;g++)
 {
  if(g==0){
  //newRow.insertCell(g).innerHTML="头部";
  }else{
  //newRow.insertCell(g).innerHTML="头部";
  }
  //alert(tabObj.rows[1].cells[g]);
  newRow.insertCell(g).innerHTML="头部";
  //tabObj.rows[0].cells[g].colsSpan =2;
  //tabObj.rows[0].cells[g].rowsSpan =2;
  tabObj.rows[1].cells[g].style.background="#CCCCCC";
  tabObj.rows[0].cells[g].style.background="#CCCCCC";
  //tabObj.rows[0].cells[g].rowSpan=2
 }
 tabObj.rows[0].cells[2].colSpan =2;
 tabObj.rows[0].cells[2].innerHTML="反映形式";
 tabObj.rows[0].cells[3].colSpan =2;
 tabObj.rows[0].cells[3].innerHTML="待处理业务数";
 tabObj.rows[0].cells[4].colSpan =1;
 tabObj.rows[0].cells[4].innerHTML="反映形式";
 tabObj.rows[0].cells[5].colSpan=1;
 tabObj.rows[0].cells[5].innerHTML="反映形式";
 tabObj.rows[0].cells[6].colSpan=7;
 tabObj.rows[0].cells[6].innerHTML="";
 tabObj.rows[0].cells[7].style.display = "none";
 tabObj.rows[0].cells[8].style.display = "none";
 tabObj.rows[0].cells[9].style.display = "none";
 tabObj.rows[0].cells[10].style.display = "none";
 tabObj.rows[0].cells[11].style.display = "none";
 tabObj.rows[0].cells[12].style.display = "none";
 tabObj.rows[0].cells[13].style.display = "none";
 tabObj.rows[0].cells[14].style.display = "none";
}
</script>
<script language="javascript" type="text/javascript">
 document.onreadystatechange = subSomething;
 function subSomething()
 {
 if(document.readyState == "complete")
 maketotal();
 }
 </script>
  </head>
  <body>
    <input type="button" onclick="maketotal()" value="遍历table"/>
    <p class=pageNext>
<H1 id=printtitle align=center><FONT style="FONT-FAMILY: 隶书; FONT-SIZE: 34px">反映来源统计</FONT></H1>
<TABLE border="1" id="printtable" style="TEXT-ALIGN: center; BORDER-COLLAPSE: collapse" class=di width="100%">
<TBODY>
<TR>
<TD>处理分类</TD>
<TD>处理内容</TD>
<TD>来电数</TD>
<TD>来访数</TD>
<TD>接办数</TD>
<TD>待办数</TD>
<TD>回复率</TD>
<TD>fffff</TD>
<TD>水厂总部</TD>
<TD>营业厅</TD>
<TD>客户服务中心</TD>
<TD>管线部</TD>
<TD>信息中心</TD>
<TD>稽查科</TD>
<TD>水质检测</TD>
<TD>安装公司</TD></TR>
<TR height=30>
<TD>测试分类</TD>
<TD>水务局</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD></TR>
<TR height=30>
<TD>测试分类</TD>
<TD>投诉</TD>
<TD>0</TD>
<TD>0</TD>
<TD>40</TD>
<TD>2</TD>
<TD>95.24</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD></TR>
<TR height=30>
<TD>测试分类</TD>
<TD>网格中心</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD></TR>
<TR height=30>
<TD>测试分类</TD>
<TD>居民用户</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD></TR>
<TR height=30>
<TD>测试分类</TD>
<TD>政府办</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD></TR>
<TR height=30>
<TD>测试分类</TD>
<TD>单位用户</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD></TR>
<TR height=30>
<TD>合计</TD>
<TD></TD>
<TD>0</TD>
<TD>0</TD>
<TD>40</TD>
<TD>2</TD>
<TD>95.24</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD></TR></TBODY></TABLE></p>
  </body>
</html>

The operation effect diagram is as follows:

Example of how to dynamically modify table and merge cells using JS

Update For examples of methods to dynamically modify tables and merge cells using multiple JS, please pay attention to the PHP Chinese website for related articles!

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Example of how to dynamically modify table and merge cells using JS

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