家庭记账管理系统的登陆和添加功能

 1 package cn.action;
 2 
 3 import javax.servlet.http.HttpServletRequest;
 4 
 5 
 6 import org.apache.struts2.ServletActionContext;
 7 
 8 import com.opensymphony.xwork2.ActionSupport;
 9 
10 import cn.entity.User;
11 import cn.service.UserService;
12 
13 public class UserAction extends ActionSupport {
14     private UserService userService;
15 
16     public void setUserService(UserService userService) {
17         this.userService = userService;
18     }
19     //属性封装方式
20     private String username;
21     private String password;
22     public String getUsername() {
23         return username;
24     }
25 
26     public void setUsername(String username) {
27         this.username = username;
28     }
29 
30     public String getPassword() {
31         return password;
32     }
33 
34     public void setPassword(String password) {
35         this.password = password;
36     }
37     
38     
39 //登陆方法
40     public String login() {
41         //封装到实体类对象
42         User user=new User();
43         user.setUsername(username);
44         user.setPassword(password);
45         //调用service的方法实现
46          User userExist= userService.login(user);
47          //判断
48          if(userExist!=null) {//成功
49              //使用session保持登陆状态
50              HttpServletRequest request= ServletActionContext.getRequest();
51              request.getSession().setAttribute("user",userExist);
52              return "loginSuccess";
53          }else {//shibai
54                 return "login";
55          }
56              
57     
58     }
59 
60 }

 1 package cn.dao;
 2 
 3 
 4 import java.util.List;
 5 
 6 import org.springframework.orm.hibernate5.HibernateTemplate;
 7 import org.springframework.orm.hibernate5.support.HibernateDaoSupport;
 8 
 9 import cn.entity.User;
10 //HibernateDao
11 public class UserDaoImdl extends HibernateDaoSupport implements UserDao{
12 //    private HibernateTemplate hibernateTemplate;
13 //
14     //public void setHibernateTemplate(HibernateTemplate hibernateTemplate) {
15     //    this.hibernateTemplate = hibernateTemplate;
16     //}
17     //登陆方法
18     public User loginUser(User user) {
19         //调用方法到hibernate Template对象
20         
21          HibernateTemplate hibernateTemplate = this.getHibernateTemplate();
22          //登陆的查询操作
23          //根据用户名和密码查询
24         @SuppressWarnings("all")
25         List<User> list=(List<User>) this.getHibernateTemplate().
26          find("from User where username=? and password=?",user.getUsername(),user.getPassword());
27 //返回user对象
28         
29         //如果查询之后，没有结果，list里面没有值，get（下标）找不到，出现下标越界异常
30         //判断
31         if(list.size()!=0&&list !=null) {
32             User u= list.get(0);
33             return u;
34         }
35         return null;
36     }
37 
38 
39 }

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC 
    "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
    "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
    <class name="cn.entity.Customer" table="t_customer">
        <id name="cid" column="uid">
            <generator class="native"/>
        </id>
        
        
        <property name="custName" column="username"/>
        <property name="custLevel" column="custLevel"/>
        <property name="custSource" column="custSource"/>
        <property name="custPhone" column="custPhone"/>
        <property name="custMobile" column="custMobile"/>
    </class>
</hibernate-mapping>