El表达式取不到值解决办法-Java教程-爱易网页

El表达式取不到值解决办法

日期：2014-05-19　浏览次数：21051 次

El表达式取不到值

Java code


package com.rec.action;



import java.util.List;
import javax.annotation.Resource;
import com.opensymphony.xwork2.ActionSupport;
import com.rec.model.Admin;
import com.rec.model.User;
import com.rec.service.UserService;


@SuppressWarnings("serial")
public class UserAction extends ActionSupport {
    private User user;
    private UserService userService;
    private String name;
    private List<User> userList;
    private String password;
    public User getUser() {
        return user;
    }
    // @Autowired
    public void setUser(User user) {
        this.user = user;
    }

    public UserService getUserService() {
        return userService;
    }


    public void setUserService(UserService userService) {
        this.userService = userService;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public String login() {
        Admin admin=userService.login(name, password);
        user=userService.findById(admin.getUser_id());
        if (admin != null&&user!=null) {
            return "SUCCESS";
        } else
            return "ERROR";
       
    }
    public String findAllUser(){
        userList=userService.findAll();
    if(userList!=null)
        return "SUCCESS";
    else 
        return "ERROR";

    }
    public String delete(){
       this.userService.delete(this.user);
        return "success";
    }
    public List<User> getUserlist() {
        return userList;
    }
    public void setUserlist(List<User> userlist) {
        this.userList = userlist;
    }
    public List<User> getUserList() {
        return userList;
    }
    public void setUserList(List<User> userList) {
        this.userList = userList;
    }


}

HTML code


<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'User.jsp' starting page</title>
    
    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">    
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="This is my page">
    <!--
    <link rel="stylesheet" type="text/css" href="styles.css">
    -->
<style>

.tableborder        { background: #4D76B3; border: 0px solid #4D76B3 } 
.altbg1            { background: #F3F6FA }
.altbg2            { background: #FFFFFF }
.STYLE5 {font-size: 12px; color: #FFFFFF; font-weight: bold; }
.STYLE7 {font-size: 12px; color: #FFFFFF; font-weight: bold; font-family: Arial, Helvetica, sans-serif; }
.STYLE8 {
    font-size: 11px;
    font-weight: bold;
}
.STYLE10 {
    font-size: 12px;
    color: #FFFFFF;
}
.STYLE12 {font-size: 12px}
.STYLE14 {font-size: 12px; font-weight: bold; }
.STYLE15 {font-we

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El表达式取不到值解决办法

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