<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd">    
<struts>
    <package name="pa" extends="struts-default">
        <action name="login" class="cn.com.action.AdminAction">
        <result name="yes">/yes.jsp</result>
        <result name="no">/no.jsp</result>
        </action>
        <action name="find" class="cn.com.action.SeaechAction" >
        <result  type="redirect">/yes.jsp</result></action>
    </package>
</struts>
import java.util.ArrayList;

import cn.com.bean.Admin;

public class SearchAdmin extends BaseDAO {
    public ArrayList<Admin> search() throws ClassNotFoundException, SQLException{
        super.getConnection();
        ArrayList list=new ArrayList();
        String sql="select * from admin";
        st=con.createStatement();
        rs=st.executeQuery(sql);
        boolean bo=false;
        while(rs.next()){
            Admin min=new Admin();
            String name=rs.getString("username");
            String pwd=rs.getString("password");
            list.add(name);
            list.add(pwd);
        }
        return list;
        
     }
    

}
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<html>
  <body>
   成功！<br>
     <a href="add.jsp">添加用户</a>
     <table align="center"  border="5" >
        <tr>
            <th>序号</th>
            <th>用户名</th>
            <th>密码</th>
            <th>操作</th>
        </tr>
       <c:forEach items="${ls}" var="Admin" varStatus="state">
               <tr>
                <td>${state.index+1 }</td>
                <td>${Admin.username }</td>
                <td>${Admin.password }</td>
                <td>修改|删除</td>
            </tr>
        </c:forEach>
     </table>
  </body>
</html>

package cn.com.action;

import java.sql.SQLException;

import cn.com.bean.Admin;
import cn.com.dao.SearchAdmin;

import com.opensymphony.xwork2.ActionSupport;

public class SeaechAction extends ActionSupport {
    public Admin  seachAll(Admin ad) throws ClassNotFoundException, SQLException{
        SearchAdmin sea=new SearchAdmin();
        sea.search();
        return ad;
        
           
    }

}
为什查不输出结果？