springMVC(14) springMVC+spring+hibernate增删改查实例

时间：2022-02-02 05:48:57

1、导包

springMVC(14) springMVC+spring+hibernate增删改查实例

springMVC(14) springMVC+spring+hibernate增删改查实例

2、配置文件

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
	http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

	<!-- spring配置 -->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath*:config/spring-*.xml</param-value>
	</context-param>

	<!--   配置spring启动listener入口 -->
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener> 

	<!-- 配置springMVC启动DispatcherServlete入口 -->
	<servlet>
		<servlet-name>springMVC</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:config/spring-annotation.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>

	<servlet-mapping>
		<servlet-name>springMVC</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>

	<!-- 乱码过滤器配置 -->
	<filter>
		<filter-name>CharacterEncodingFilter</filter-name>
		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
		<init-param>
			<param-name>encoding</param-name>
			<param-value>utf-8</param-value>
		</init-param>
	</filter>
	<filter-mapping>
		<filter-name>CharacterEncodingFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>

	<!-- 配置Session -->
	<filter>
	    <filter-name>openSession</filter-name>
	    <filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class>
	</filter>
	<filter-mapping>
	    <filter-name>openSession</filter-name>
	    <url-pattern>/*</url-pattern>
	</filter-mapping>

</web-app>

spring-annotation.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/beans    
      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd    
      http://www.springframework.org/schema/context    
      http://www.springframework.org/schema/context/spring-context.xsd    
      http://www.springframework.org/schema/mvc    
      http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
	<context:component-scan base-package="com.xdy" />
	<mvc:annotation-driven />

	<!-- 静态资源访问 -->
	<mvc:resources location="/img/" mapping="/img/**" />
	<mvc:resources location="/js/" mapping="/js/**" />

	<!-- 配置解析器 -->
	<bean id="viewResolver"
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/" />
		<property name="suffix" value=".jsp" />
	</bean>

	<!-- 支持上传文件 -->
	<bean id="multipartResolver"
		class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
		<property name="defaultEncoding" value="utf-8"></property>
		<property name="maxUploadSize" value="10485760000"></property>
		<property name="maxInMemorySize" value="40960"></property>
	</bean>
</beans>

spring-hibernate.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/beans    
      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd    
      http://www.springframework.org/schema/context    
      http://www.springframework.org/schema/context/spring-context.xsd    
      http://www.springframework.org/schema/mvc    
      http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">

	<!-- 配置数据源 -->
	<bean id="dataSource"
	    class="org.springframework.jdbc.datasource.DriverManagerDataSource">
	    <property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
	    <property name="url" value="jdbc:mysql://localhost:3306/springmvc"></property>
	    <property name="username" value="root"></property>
	    <property name="password" value="root"></property>
	</bean>

	<!-- 配置SessionFactory -->
	<bean id="sessionFactory"
	    class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
	    <property name="dataSource" ref="dataSource" />
	    <property name="hibernateProperties">
	        <props>
	            <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
	            <prop key="hibernate.hbm2ddl.auto">update</prop>
	            <prop key="hibernate.show_sql">true</prop>
	            <prop key="hibernate.format_sql">true</prop>
	        </props>
	    </property>
	    <!-- 注解扫描的包 -->
	    <property name="annotatedClasses">
	        <list>
	            <value>com.xdy.entity.User</value>
	        </list>
	    </property>
	</bean>

	<!-- 配置一个事务管理器 -->
	<bean id="transactionManager"
	    class="org.springframework.orm.hibernate4.HibernateTransactionManager">
	    <property name="sessionFactory" ref="sessionFactory" />
	</bean>

	<!-- 配置事务，使用代理的方式 -->
	<bean id="transactionProxy"
	    class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean" lazy-init="true"
	    abstract="true">
	    <property name="transactionManager" ref="transactionManager"></property>
	    <property name="transactionAttributes">
	        <props>
	            <prop key="add*">PROPAGATION_REQUIRED,-Exception</prop>
	            <prop key="insert*">PROPAGATION_REQUIRED,-Exception</prop>
	            <prop key="modify*">PROPAGATION_REQUIRED,-Exception</prop>
	            <prop key="update*">PROPAGATION_REQUIRED,-Exception</prop>
	            <prop key="del*">PROPAGATION_REQUIRED</prop>
	            <prop key="get*">PROPAGATION_NEVER</prop>
	        </props>
	    </property>
	</bean>

</beans>

spring-core.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/beans    
      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd    
      http://www.springframework.org/schema/context    
      http://www.springframework.org/schema/context/spring-context.xsd    
      http://www.springframework.org/schema/mvc    
      http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
	<!-- 导入spring配置 -->
	<import
		resource="classpath*:com/xdy/spring/springAnnotation-import.xml" />
</beans>

springAnnotation-import.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/beans    
      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd    
      http://www.springframework.org/schema/context    
      http://www.springframework.org/schema/context/spring-context.xsd    
      http://www.springframework.org/schema/mvc    
      http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
	<context:component-scan base-package="com.xdy" />
	<mvc:annotation-driven />

	<!-- 静态资源访问 -->
	<mvc:resources location="/img/" mapping="/img/**" />
	<mvc:resources location="/js/" mapping="/js/**" />

	<!-- 配置解析器 -->
	<bean id="viewResolver"
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/" />
		<property name="suffix" value=".jsp" />
	</bean>

	<!-- 支持上传文件 -->
	<bean id="multipartResolver"
		class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
		<property name="defaultEncoding" value="utf-8"></property>
		<property name="maxUploadSize" value="10485760000"></property>
		<property name="maxInMemorySize" value="40960"></property>
	</bean>
</beans>

3、后台代码

User.java

package com.xdy.entity;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;

import org.hibernate.annotations.GenericGenerator;

@Entity
@Table(name="t_user")
public class User {
	@Id
	@GeneratedValue(generator="system-uuid")  
	@GenericGenerator(name = "system-uuid",strategy="uuid")  
	@Column(length=32)  
	private String id;

	@Column(length=32)
	private String name;

	@Column(length=32)
	private Integer age;

	public String getId() {
		return id;
	}

	public void setId(String id) {
		this.id = id;
	}

	public String getName() {
		return name;
	}

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

	public Integer getAge() {
		return age;
	}

	public void setAge(Integer age) {
		this.age = age;
	}

}

UserDao.java

package com.xdy.dao;

import java.util.List;


import com.xdy.entity.User;

public interface UserDao {

	public void addUser(User user);

	public boolean deleteUser(String id);

	public boolean modifyUser(User user);

	public List<User> getAll();

	public User getUser(String id);
}

UserDaoImpl.java

package com.xdy.dao.impl;

import java.util.List;

import org.hibernate.Query;
import org.hibernate.SessionFactory;

import com.xdy.dao.UserDao;
import com.xdy.entity.User;
public class UserDaoImpl implements UserDao {
	private SessionFactory sessionFactory;

	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}

	@Override
	public void addUser(User user) {
		sessionFactory.getCurrentSession().save(user);
	}

	@Override
	public boolean deleteUser(String id) {
		String hql = "delete from User where id=?";
		Query query = sessionFactory.getCurrentSession().createQuery(hql);
		query.setString(0, id);
		return query.executeUpdate()>0;
	}

	@Override
	public List<User> getAll() {
		String hql = "from User";
		Query query = sessionFactory.getCurrentSession().createQuery(hql);
		return query.list();
	}

	@Override
	public User getUser(String id) {
		String hql = "from User where id=?";
		Query query = sessionFactory.getCurrentSession().createQuery(hql);
		query.setString(0, id);
		return (User) query.uniqueResult();
	}

	@Override
	public boolean modifyUser(User user) {
		String hql = "update User set name=?,age=? where id=?";
		Query query = sessionFactory.getCurrentSession().createQuery(hql);
		query.setString(0, user.getName());
		query.setInteger(1, user.getAge());
		query.setString(2, user.getId());
		return query.executeUpdate()>0;
	}

}

UserService.java

package com.xdy.service;


import java.util.List;

import com.xdy.entity.User;

public interface UserService {

	public void addUser(User user);

	public List<User> getAll();

	public boolean deleteUser(String id);

	public User getUser(String id);

	public boolean modifyUser(User user);
}

UserServiceImpl.java

package com.xdy.service.impl;

import java.util.List;

import com.xdy.dao.UserDao;
import com.xdy.entity.User;
import com.xdy.service.UserService;

public class UserServiceImpl implements UserService {
	private UserDao userDao;

	public void setUserDao(UserDao userDao) {
		this.userDao = userDao;
	}

	@Override
	public void addUser(User user) {
		userDao.addUser(user);
	}

	@Override
	public List<User> getAll() {
		return userDao.getAll();
	}

	@Override
	public boolean deleteUser(String id) {
		return userDao.deleteUser(id);
	}

	@Override
	public User getUser(String id) {
		return userDao.getUser(id);
	}

	@Override
	public boolean modifyUser(User user) {
		return userDao.modifyUser(user);
	}

}

UserController.java

package com.xdy.controller;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import com.xdy.entity.User;
import com.xdy.service.UserService;

@Controller
@RequestMapping("/user")
public class UserController {
	@Resource(name="userService")
	private UserService userService;

	@RequestMapping("/addUser")
	public String addUser(User user){
		userService.addUser(user);
		return "redirect:/user/getAll";
	}

	@RequestMapping("/toAddUser")
	public String toAddUser(){
		return "/addUser";
	}

	@RequestMapping("/getAll")
	public String getAll(HttpServletRequest request){
		List<User> users = userService.getAll();
		request.setAttribute("users", users);
		return "/userList";
	}

	@RequestMapping("/deleteUser")
	public void deleteUser(String id,HttpServletResponse response){
		String result = "{\"result\":\"error\"}";
		if(userService.deleteUser(id)){
			result = "{\"result\":\"success\"}";
		}
		response.setContentType("application/json");
		try {
			PrintWriter out = response.getWriter();
			out.write(result);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	@RequestMapping("/getUser")
	public String getUser(String id,HttpServletRequest request){
		User user = userService.getUser(id);
		request.setAttribute("user", user);
		return "/editUser";
	}

	@RequestMapping("/modifyUser")
	public String modifyUser(User user){
		if(userService.modifyUser(user)){
			return "redirect:/user/getAll";
		}else{
			return "/error";
		}
	}

}

4、前端页面

addUser.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>添加用户</title>
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
  </head>
  <body>
    <form action="/springMvc11/user/addUser" method="post">
    	用户名：<input type="text" name="name"><br/>
    	年龄：<input type="text" name="age"><br/>
    	<input type="submit" value="添加用户">
    </form>
  </body>
</html>

editUser.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>修改用户</title>
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
  </head>
  <body>
    <form action="/springMvc11/user/modifyUser" method="post">
    	<input type="hidden" name="id" value="${user.id }">
    	用户名：<input type="text" name="name" value="${user.name }"><br/>
    	年龄：<input type="text" name="age" value="${user.age }"><br/>
    	<input type="submit" value="修改">
    </form>
  </body>
</html>

userList.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>用户列表</title>
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<script type="text/javascript" src="../js/jquery-1.4.3.js"></script>
	<script type="text/javascript">
		function deleteUser(id){
			$.get("/springMvc11/user/deleteUser?id=" + id,function(data){
				if("success" == data.result){
					alert("删除成功!");
					window.location.reload(); 
				}else{
					alert("删除失败!")
				}
			});
		}

	</script>

  </head>
  <body>
	    <table border="1">
	    	<tbody>
	    		<tr>
		    		<th>名字</th>
		    		<th>年龄</th>
		    		<th>操作</th>
	    		</tr>
			    	<c:forEach items="${users}" var="u">
			    		<tr>
			    			<td>${u.name }</td>
			    			<td>${u.age }</td>
			    			<td>
			    				<a href="/springMvc11/user/getUser?id=${u.id }">更新</a>
			    				<a href="javascript:deleteUser('${u.id }');">删除</a>
			    			</td>
			    		</tr>
			    	</c:forEach>
	    	</tbody>
	    </table>
  </body>
</html>



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