项目目录：

 

 User.java:

package com.nf.entity;import javax.persistence.*;@Entity@Table(name = "user", schema = "lib", catalog = "")public class User {    private int id;    private String name;    private String address;    private String phone;    public User(){}    public User(int id, String name, String address, String phone) {        this.id = id;        this.name = name;        this.address = address;        this.phone = phone;    }    @Id    @Column(name = "id")    public int getId() {        return id;    }    public void setId(int id) {        this.id = id;    }    @Basic    @Column(name = "name")    public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }    @Basic    @Column(name = "address")    public String getAddress() {        return address;    }    public void setAddress(String address) {        this.address = address;    }    @Basic    @Column(name = "phone")    public String getPhone() {        return phone;    }    public void setPhone(String phone) {        this.phone = phone;    }    @Override    public boolean equals(Object o) {        if (this == o) return true;        if (o == null || getClass() != o.getClass()) return false;        User that = (User) o;        if (id != that.id) return false;        if (name != null ? !name.equals(that.name) : that.name != null) return false;        if (address != null ? !address.equals(that.address) : that.address != null) return false;        if (phone != null ? !phone.equals(that.phone) : that.phone != null) return false;        return true;    }    @Override    public int hashCode() {        int result = id;        result = 31 * result + (name != null ? name.hashCode() : 0);        result = 31 * result + (address != null ? address.hashCode() : 0);        result = 31 * result + (phone != null ? phone.hashCode() : 0);        return result;    }}

UserDao.java

package com.nf.dao;import com.nf.entity.User;import java.util.List;public interface UserDao {    public List
     
       getAllUsers() ;}
     

UserDaoImpl.java

package com.nf.dao;import com.nf.entity.User;import org.hibernate.Session;import org.hibernate.SessionFactory;import org.hibernate.query.Query;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Repository;import java.util.List;@Repositorypublic class UserDaoImpl implements UserDao {    @Autowired    private SessionFactory sessionFactory;    public List
     
       getAllUsers() {        Session session = sessionFactory.getCurrentSession();        Query
      
        query = session.createQuery("from User", User.class);        return query.getResultList();    }}
      
     

UserService.java

package com.nf.service;import com.nf.entity.User;import java.util.List;public interface UserService {    public List
     
       getAllUsers() ;}
     

UserServiceImpl.java

package com.nf.service;import com.nf.dao.UserDao;import com.nf.entity.User;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;import javax.transaction.Transactional;import java.util.List;@Servicepublic class UserServiceImpl implements UserService {    @Autowired    private UserDao userDao;    @Transactional    public List
     
       getAllUsers() {        return userDao.getAllUsers();    }}
     

UserAction.java

package com.nf.action;import com.nf.service.UserService;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.ResponseBody;import java.util.HashMap;import java.util.Map;@Controller@RequestMapping("/user")public class UserAction {    @Autowired    private UserService userService ;    @RequestMapping("/query")    public @ResponseBody    Map
     
       query(){        Map
      
        hashMap = new HashMap
       
        ();        hashMap.put("userList",userService.getAllUsers());        return hashMap;    }}
       
      
     

applicationContext.xml；

     
         
          
          
          
              
               
               
               
               
               
               
               
               
               
               
           
          
              
               
               
               
                   
                        
         
          org.hibernate.dialect.MySQL57InnoDBDialect
                         
         
          true
                         
         
          true
                         
         
          false
                        
                     
                
               
               
           
          
          
              
           
          
          
      
     

spring-servlet.xml

jdbc.properties

driverClass=com.mysql.cj.jdbc.DriverjdbcUrl=jdbc:mysql://localhost:3306/lib?serverTimezone=UTCuser=rootpassword=123456

web.xml

     
         
              
       
        OpenSessionInViewFilter
               
       
        org.springframework.orm.hibernate5.support.OpenSessionInViewFilter
               
                   
        
         flushMode
                    
        
         AUTO
                
           
          
              
       
        OpenSessionInViewFilter
               
       
        /*
           
          
          
              
       
        spring
               
       
        org.springframework.web.servlet.DispatcherServlet
               
                   
        
         contextConfigLocation
                    
        
         classpath:spring-servlet.xml
                
               
       
        1
           
          
              
       
        spring
               
       
        /
           
          
          
              
       
        characterEncodingFilter
               
       
        org.springframework.web.filter.CharacterEncodingFilter
               
                   
        
         encoding
                    
        
         UTF-8
                
           
          
              
       
        characterEncodingFilter
               
       
        /*
           
          
          
              
       
        contextConfigLocation
               
       
        classpath:applicationContext.xml
           
          
              
       
        org.springframework.web.context.ContextLoaderListener
           
      
     

qianduan,.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"    pageEncoding="UTF-8"%>
     
     
    
      
        
       {
   {art.id}}        
       {
   {art.name}}        
       {
   {art.address}}        
       {
   {art.phone}}        
       
       
       
       
    
      
     

结果：