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JS ：点击按钮table增加一行，删除一行

2012-04-18 19:37 645 查看 
<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>update_data.jsp</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">

<!--
<link rel="stylesheet" href="<%=path%>/css/data_text.css" type="text/css" />
<link rel="stylesheet" type="text/css" href="styles.css">
-->
<script type="text/javascript">
//给table增加一行
function addTableRow() {
var table1 = document.getElementById('table1');
var cloneTab = document.getElementById('table2');
//alert(cloneTab.firstChild.firstChild.innerHTML);
//alert(cloneTab.firstChild.firstChild.cloneNode(true).innerHTML);
table1.firstChild.appendChild(cloneTab.firstChild.firstChild.cloneNode(true));

var v= table1.firstChild.childNodes;
var len = v.length;
for(var i=1;i<len;i++){
v[i].childNodes[0].firstChild.id=i;//给第一个单元格id赋值
}
}

//给table删除一行
function delTableRow(){
var table1 = document.getElementById('table1');
var isChecked = document.getElementsByName('isChecked');
var len = isChecked.length;
for(var i=len-1;i>=0;i--){
if(isChecked[i].checked==true){
table1.firstChild.removeChild(isChecked[i].parentNode.parentNode);
//alert(isChecked[i].id);
//alert(isChecked[i].parentNode.parentNode.innerHTML);
}
}
}
</script>
</head>

<body>
<table border="0" cellpadding="0" cellspacing="0" class="datalist" id="table1">
<tr>
<th width="38" nowrap="nowrap" style="width: 5%">0</th>
<th width="38" nowrap="nowrap" >00</th>
<th width="79" nowrap="nowrap" scope="col">1</th>
<th width="70" nowrap="nowrap" scope="col">2</th>
<th width="69" nowrap="nowrap" scope="col">3</th>
<th width="66" nowrap="nowrap" scope="col">4</th>
<th width="94" nowrap="nowrap" scope="col">5</th>
<th width="107" nowrap="nowrap" scope="col">6</th>
</tr>
</table>

<!--控制table的按钮-->
<table>
<tr align="center">
<td colspan="10">
<input type="button"  value="增加" onclick= "addTableRow();"/>
<input type="button"  value="删除" onclick="delTableRow();"/>
</td>
</tr>
</table>

<!--模板table也叫做clone table style = "display:none"-->
<table id='table2' style="display: none">
<tr>
<th><input type="checkbox" name="isChecked" /><input type="hidden" size="6" value=""/></th>
<th width="38" nowrap="nowrap" style="width: 5%"><input type="text" size="16" maxlength="50" value=""/></th>
<th width="79" nowrap="nowrap" scope="col"><input type="text"  size="16" maxlength="50" value=""/></th>
<th width="70" nowrap="nowrap" scope="col"><input type="text"  size="6" maxlength="10" value=""/></th>
<th width="69" nowrap="nowrap" scope="col">
<select size="1">
<option value="">请选择...</option>
<option value="1">1</option>
<option value="2">1</option>
</select>
</th>
<td width="100" nowrap="nowrap" scope="col"><input type="text"  class="date150"/></td>
<th width="94" nowrap="nowrap"  scope="col"><input type="text"  size="16" maxlength="50" value=""/></th>
<th width="71" nowrap="nowrap"  scope="col"><input type="text"  size="16" maxlength="50" value=""/></th>
</tr>
</table>

</body>
</html>





                                            

                                        

                        
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