StringUtil.java
package com.lh.bean;
public class StringUtil {
// 需要分隔的字符串
private String str;
// 分割后的字符串数组
private String strArr[];
// 分隔符号
private String listSeparator;
// 默认构造方法
public StringUtil() {
}
public String getStr() {
return str;
}
public void setStr(String str) {
this.str = str;
}
/**
* 返回分隔符
*/
public String[] getStrArr() {
// 根据分隔符号分隔字符串为数组
return str.split(listSeparator);
}
public String getListSeparator() {
return listSeparator;
}
public void setListSeparator(String listSeparator) {
this.listSeparator = listSeparator;
}
}
index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html>
<head>
<title>My JSP 'index.jsp' starting page</title>
<script type="text/javascript">
function getSelectCheckbox() {
//获取复选框对象，该对象是个数组
var checkObj = document.getElementsByName("like");
var likeStr = "";
for ( var i = 0; i < checkObj.length; i++) {
if (checkObj[i].checked == true) {
likeStr += checkObj[i].value + ",";
}
}
//将组合后复选框的内容赋给隐藏域，表单提交后，获得的是该隐藏域的内容
document.getElementById("likes").value = likeStr;
}
</script>
</head>
<body>
<form action="toarray.jsp" method="post">
<input type="hidden" name="likes" id="likes" />
<table width="220">
<tr bgcolor="skyblue">
<td align="center">您喜欢的运动有：</td>
</tr>
<tr>
<td><input type="checkbox" name="like" value="打篮球">打篮球
<input type="checkbox" name="like" value="踢足球">踢足球 <input
type="checkbox" name="like" value="打乒乓球">打乒乓球 <input
type="checkbox" name="like" value="跑步">跑步 <input
type="checkbox" name="like" value="打羽毛球">打羽毛球 <input
type="checkbox" name="like" value="游泳">游泳</td>
</tr>
<tr bgcolor="skyblue">
<td align="center"><input type="submit" value="提交"
onclick="getSelectCheckbox()" />
</td>
</tr>
</table>
</form>
</body>
</html>
toarray.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html>
<head>
<title>My JSP 'toarray.jsp' starting page</title>
</head>
<body>
<%
request.setCharacterEncoding("UTF-8");
//从请求中获取以“，”分隔的字符串
String likes = request.getParameter("likes");
%>
<!-- 使用userbean 动作标签导入javabean对象 -->
<jsp:useBean id="strBean" class="com.lh.bean.StringUtil"></jsp:useBean>
<!-- 对StringUtil类的对象strBean的str属性赋值 -->
<jsp:setProperty property="str" name="strBean" value="<%=likes %>" />
<!-- 对StringUtil类的对象strBean的listSeparator(分隔符)属性赋值 -->
<jsp:setProperty property="listSeparator" name="strBean" value="," />
<%
//分隔后的字符串数组
String likeArr[] = strBean.getStrArr();
%>
<table>
<tr>
<td width="100" valign="top">您选择的运动有：</td>
<%
for (int i = 0; i < likeArr.length; i++) {
%>
<td align="left">【<%=likeArr[i]%>】</td>
<%
}
%>
</tr>
</table>
</body>
</html>
