Javascript merge table cell example code_javascript skills
This article introduces you to a code example from the Internet that can merge cells. Let’s share it with you. I hope it can bring some help to friends in need.
The code example is as follows:
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8"/>
<title>表格单元格合并代码</title>
<script type="text/javascript">
function autoRowSpan(tb,row,col){
var lastValue="";
var value="";
var pos=1;
for(var i=row;i<tb.rows.length;i++){
value=tb.rows[i].cells[col].innerText;
if(lastValue==value){
tb.rows[i].deleteCell(col);
tb.rows[i-pos].cells[col].rowSpan=tb.rows[i-pos].cells[col].rowSpan+1;
pos++;
}
else{
lastValue=value;
pos=1;
}
}
}
window.onload=function(){
var tb=document.getElementById("tb");
autoRowSpan(tb,0,0)
}
</script>
</head>
<body>
<table id="tb" border="1">
<thead>
<tr >
<td>国家</td>
<td>地区</td>
</tr>
</thead>
<tr>
<td>中国</td>
<td>河南</td>
</tr>
<tr>
<td>中国</td>
<td>四川</td>
</tr>
<tr>
<td>中国</td>
<td>北京</td>
</tr>
<tr>
<td>美国</td>
<td>纽约</td>
</tr>
<tr>
<td>美国</td>
<td>洛杉矶</td>
</tr>
<tr>
<td>英国</td>
<td>伦敦</td>
</tr>
</table>
</body>
</html>I am sharing a paragraph with you:
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>合并表格</title>
<script>
///////////////////////////////////////////////
//功能：合并表格
//参数：tb－需要合并的表格ID
//参数：colLength－－需要对前几列进行合并，比如，
//想合并前两列，后面的数据列忽略合并，colLength应为2
//缺省表示对全部列合并
//data:2011.11.06
///////////////////////////////////////////////
function uniteTable(tb,colLength){
//检查表格是否规整
if(!checkTable(tb)) return;
var i=0;
var j=0;
var rowCount=tb.rows.length; //行数
var colCount=tb.rows[0].cells.length; //列数
var obj1=null;
var obj2=null;
//为每个单元格命名
for(i=0;i<rowCount;i++){
for(j=0;j<colCount;j++){
tb.rows[i].cells[j].id="tb__" + i.toString() + "_" + j.toString();
}
}
//逐列检查合并
for(i=0;i<colCount;i++){
if(i==colLength) return;
obj1=document.getElementById("tb__0_"+i.toString())
for(j=1;j<rowCount;j++){
obj2=document.getElementById("tb__"+j.toString()+"_"+i.toString());
if(obj1.innerText==obj2.innerText){
obj1.rowSpan++;
obj2.parentNode.removeChild(obj2);
}else{
obj1=document.getElementById("tb__"+j.toString()+"_"+i.toString());
}
}
}
}
/////////////////////////////////////////
//功能：检查表格是否规整
//参数：tb－－需要检查的表格ID
//data: 2011.11.06
/////////////////////////////////////////
function checkTable(tb){
if(tb.rows.length==0) return false;
if(tb.rows[0].cells.length==0) return false;
for(var i=0;i<tb.rows.length;i++){
if(tb.rows[0].cells.length!=tb.rows[i].cells.length) return false;
}
return true;
}
</script>
</head>
<body>
<table width="400" border="1" id="table1">
<tr>
<td>a</td>
<td>for</td>
<td>100</td>
<td>200</td>
<td>1</td>
</tr>
<tr>
<td>a</td>
<td>for</td>
<td>100</td>
<td>300</td>
<td>2</td>
</tr>
<tr>
<td>a</td>
<td>if</td>
<td>100</td>
<td>200</td>
<td>3</td>
</tr>
<tr>
<td>a</td>
<td>if</td>
<td>300</td>
<td>230</td>
<td>4</td>
</tr>
<tr>
<td>a</td>
<td>if</td>
<td>320</td>
<td>230</td>
<td>5</td>
</tr>
</table>
<br><input type="button" value="合并表格" onClick="uniteTable(table1,4)">
</body>
</html>I hope this article will be helpful to everyone learning JavaScript programming.
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