servlet 多选框 键值对 传action 实例

  <form action="GetList" method="post">  <input name="xx" type="checkbox" value="1"> 第一个<input name="x1" type="text"> <br>  <input name="xx"  type="checkbox" value="2"> 第二个<input name="x2" type="text"><br>  <input name="xx" type="checkbox" value="3"> 第三个<input name="x3" type="text"><br>  <input name="xx" type="checkbox" value="4"> 第四个<input name="x4" type="text"><br>  <input name="submit1" type="submit" value="提交">  </form>

package com.jr.action;import java.io.IOException;import java.util.LinkedHashMap;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;@SuppressWarnings("serial")public class GetList extends HttpServlet {    public GetList() {        super();    }    public void doPost(HttpServletRequest request, HttpServletResponse response)            throws ServletException, IOException {        response.setContentType("text/html");        String[] s=request.getParameterValues("xx");        LinkedHashMap<String, String> map=new LinkedHashMap<String, String>();        for (int i = 0; i < s.length; i++) {            String string =  s[i];            if (request.getParameter("x"+string)!=null&&!request.getParameter("x"+string).trim().equals("")) {                String value=request.getParameter("x"+string);                map.put(string, value);            }        }    }    public void init() throws ServletException {        // Put your code here    }}