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<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
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>
</head>
<script type="text/javascript" src="<%=path%>/jquery-1.4.2.min.js"></script>
<style type="text/css">
body {
background: #FFFFFF;
}
</style>
<body>
<script>
$(function(){
var show_count = 20; //要显示的条数
var count = $("input:text").val(); //递增的开始值,这里是你的ID
var fin_count = parseInt(count) + (show_count-1); //结束递增的条件
$("#btn_addtr").click(function(){
if(count < fin_count) //点击时候,如果当前的数字小于递增结束的条件
{
$("tr:eq(1)").clone().appendTo("table"); //在表格后面添加一行
$("tr:last td input:first").val(++count); //改变添加的行的ID值。
}
});
});
function deltr(){
var length=$("tr").length;
if(length<=2){
alert("至少保留一行");
}else{
$("tr:last").remove();
}
}
</script>
<table id="dynamicTable" width="700" border="0" cellspacing="0"
cellpadding="0">
<tr>
<td height="30" align="center" bgcolor="#CCCCCC">
ID
</td>
<td align="center" bgcolor="#CCCCCC">
Username
</td>
<td align="center" bgcolor="#CCCCCC">
Usertype
</td>
<td align="center" bgcolor="#CCCCCC">
Other
</td>
<td>
<input type="button" id="btn_addtr" value="增行">
</td>
</tr>
<tr>
<td height="30" align="center">
<input type="text" size="2" value="1" />
</td>
<td align="center">
<input type="text" name="username" />
</td>
<td align="center">
<select name="type">
<option value="1">
Administrator
</option>
<option value="2">
Guest
</option>
</select>
</td>
<td align="center">
<input type="text" name="username2" />
</td>
<td>
<input type="button" id="btn_deltr" onclick="deltr()" value="删行">
</td>
</tr>
</table>
</body>
</html>