jsp获取复选框的值的实例源码



jsp获取复选框的值的实例源码,jsp最实用最简单的教程,以下内容将教大家jsp处理复选框的实例,当然也含有相关javascript判断复选框是否为空的脚本程序。

含有复选框页面的jsp源码,也就是提交页面:

<%@ page contentType=”text/html; charset=gb2312″ language=”java” import=”java.sql.*” errorPage=”" %>
<html>
<head>
<meta http-equiv=”Content-Type” content=”text/html; charset=gb2312″>
<title>获取复选框的值</title>
<link href=”css/style.css” type=”text/css” rel=”stylesheet”>
</head>
<script language=”javascript” type=”">
function checkEmpty(form){
for(i=0;i<form.length;i++){
if(form.elements[i].value==”"){
alert(“表单信息不能为空”);
return false;
}
}
}
</script>
<%
String bookType[]={“科技图书”,”教育图书”,”文学图书”,”医学图书”,”法律图书”};
int number=bookType.length;
%>
<body background=”beijing.gif”><div align=”center”>
获取复选框的值
<form name=”form” method=”post” action=”dealwith.jsp” onSubmit=”return checkEmpty(form)”>
<table width=”276″>
<tr>
<td width=”266″>请选择您爱看的书籍种类:</td>
</tr>
<%
for(int i=0;i<bookType.length;i++){
%>
<tr>
<td><input type=”checkbox” name=”name<%=i%>” value=”<%=bookType[i]%>”>
<%=bookType[i]%></td>
</tr>
<%}%>

</table>
<input type=”hidden” name=”number” value=”<%=bookType.length%>”>
<input type=”submit” name=”Submit” value=”提交”>
</form>
</div>
</body>
</html>

接收复选框的信息的jsp源码实例:

<%@ page contentType=”text/html; charset=gb2312″ language=”java” import=”java.sql.*” errorPage=”" %>
<html>
<head>
<meta http-equiv=”Content-Type” content=”text/html; charset=gb2312″>
<title>获取复选框的值</title>
<link href=”css/style.css” type=”text/css” rel=”stylesheet”>
</head>
<%
request.setCharacterEncoding(“gb2312″);
int number=Integer.parseInt(request.getParameter(“number”));
%>
<body background=”beijing.gif”><div align=”center”>
获取复选框的值
<br>

<table width=”211″ border=”0″>
<tr>
<td width=”226″>您选择为:</td>
</tr>
<%
for(int i=0;i<number;i++){
String name=”name”+i;
if(request.getParameter(name)!=null){
%>
<tr>
<td width=”226″><div align=”center”><%=request.getParameter(name)%></div></td>
</tr>
<%}}%>
</table><br>
<a href=”index.jsp”>返回</a></div>
</body>
</html>

请你把上述的jsp源码部署到myeclipse中,配置好就可以运行了。希望可以给你的学习带来帮助!