04-字符串转换成数组（字符串处理）

来源：互联网发布：java扫雷小游戏源代码编辑：程序博客网时间：2024/06/05 06:21

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 <inputtype="checkbox" name="like" value="打乒乓球">打乒乓球 <inputtype="checkbox" name="like" value="跑步">跑步 <inputtype="checkbox" name="like" value="打羽毛球">打羽毛球 <inputtype="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>