struts2的集合标签-白红宇

struts2的集合标签

阅读量：7079 次

发布时间：2019-06-28

本文共 2791 字，大约阅读时间需要 9 分钟。

index.jsp里：<a href="listAction1!test1">集合标签</a><br>

struts.xml里：

</action>

ListAction1.java里：

1 package com.xsl.action; 2 import java.util.ArrayList; 3 import java.util.List; 4 import javax.servlet.http.HttpServletRequest; 5 import org.apache.struts2.interceptor.ServletRequestAware; 6 import com.opensymphony.xwork2.ActionSupport; 7 import com.xsl.entity.Dog; 8 import com.xsl.entity.Users; 9 10 public class ListAction1 extends ActionSupport implements ServletRequestAware {11     private Users users;12     private HttpServletRequest request;13     private List
     
       ulist;14     public String test1() {15         users = new Users(2,"jack");16         17         List
      
        ulist = new ArrayList
       
        ();18         ulist.add(new Users(1,"rose1"));19         ulist.add(new Users(2,"rose2"));20         ulist.add(new Users(3,"rose3"));21         ulist.add(new Users(4,"rose4"));22         ulist.add(new Users(5,"rose5"));23         ulist.add(new Users(6,"rose6"));24         request.setAttribute("ulist", ulist);25         26         List
        
          list = new ArrayList
         
          ();27         list.add(new Dog(1,"dog1"));28         list.add(new Dog(2,"dog2"));29         list.add(new Dog(3,"dog3"));30         list.add(new Dog(4,"dog4"));31         list.add(new Dog(5,"dog5"));32         list.add(new Dog(6,"dog6"));33         //绑定用户（一个用户有多条狗）34         users.setDids(new int[]{1,3,6});35         request.setAttribute("dlist", list);36         return "test1";37     }38     public void setServletRequest(HttpServletRequest request) {39         this.request = request;40     }41     public Users getUsers() {42         return users;43     }44     public void setUsers(Users users) {45         this.users = users;46     }47     public HttpServletRequest getRequest() {48         return request;49     }50     public void setRequest(HttpServletRequest request) {51         this.request = request;52     }53     public List
          
            getUlist() {54 return ulist;55 }56 public void setUlist(List
           
             ulist) {57 this.ulist = ulist;58 }59 }

list.jsp里：

1 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> 2 <%@ taglib uri="/struts-tags" prefix="s" %> 3 <% 4 String path = request.getContextPath(); 5 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; 6 %> 7  8  9   10     list.jsp11   12   13   14       
     22       
     
      23       
     24     
25     填写表单，提交表单
26      
     
      27         
      
       28           
      
      
29           
      30     
     
31     
     32   33