SpringMVC_3.x_入门指南_4 博客分类： SpringMVC SpringMVC连接Hibernate框架整合

程序员文章站 2024-03-24 10:21:16

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SpringMVC 3.x

博文目录

数据库及表的建立
pom.xml
springmvc-servlet.xml
web.xml
applicationContext.xml
jdbc.properties
src/main/java中的代码
jsp文件

SpringMVC与Hibernate整合

先不说为什么，一口气达到实现对数据库CURD的操作！！！

BaseDao算是一个帮助类，你可以使用你喜欢的任何样式的JDBC！

SpringMVC_3.x_入门指南_4

博客分类： SpringMVC SpringMVC连接Hibernate框架整合

使用MySQL建立数据库：

CREATE DATABASE `log`;

CREATE TABLE t_user( 
id INT AUTO_INCREMENT PRIMARY KEY, 
username VARCHAR(255), 
`password` VARCHAR(512));

Maven项目：pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.hyx</groupId>
  <artifactId>springmvc</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>springmvc Maven Webapp</name>
  <url>http://maven.apache.org</url>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
    <!-- SpringMVC核心jar -->
    <dependency>
		<groupId>org.springframework</groupId>
		<artifactId>spring-webmvc</artifactId>
		<version>3.2.4.RELEASE</version>
	</dependency>
    <!-- springmvc连接数据库需要的jar -->
    <dependency>
		<groupId>org.springframework</groupId>
		<artifactId>spring-jdbc</artifactId>
		<version>3.2.4.RELEASE</version>
	</dependency>
	<dependency>
		<groupId>org.springframework</groupId>
		<artifactId>spring-orm</artifactId>
		<version>3.2.4.RELEASE</version>
	</dependency>
	<!-- ************************************ -->
    <!-- Hibernate相关jar -->
    <dependency>
		<groupId>org.hibernate</groupId>
		<artifactId>hibernate-core</artifactId>
		<version>4.2.5.Final</version>
	</dependency>
	<dependency>
		<groupId>org.hibernate</groupId>
		<artifactId>hibernate-ehcache</artifactId>
		<version>4.2.5.Final</version>
	</dependency>
	<dependency>
		<groupId>net.sf.ehcache</groupId>
		<artifactId>ehcache</artifactId>
		<version>2.7.2</version>
	</dependency>
	<dependency>
		<groupId>commons-dbcp</groupId>
		<artifactId>commons-dbcp</artifactId>
		<version>1.4</version>
	</dependency>
    <dependency>
		<groupId>mysql</groupId>
		<artifactId>mysql-connector-java</artifactId>
		<version>5.1.26</version>
	</dependency>
	<!-- javax提供的annotation -->
	<dependency>
		<groupId>javax.inject</groupId>
		<artifactId>javax.inject</artifactId>
		<version>1</version>
	</dependency>        
	<!-- **************************** -->
    <!-- 用于对@ResponseBody注解的支持 -->
    <dependency>
		<groupId>org.codehaus.jackson</groupId>
		<artifactId>jackson-mapper-asl</artifactId>
		<version>1.9.13</version>
	</dependency>        
    <!-- 提供对c标签的支持 -->
    <dependency>
		<groupId>javax.servlet</groupId>
		<artifactId>jstl</artifactId>
		<version>1.2</version>
	</dependency>
	<!-- servlet api -->
	<dependency>
	  <groupId>javax.servlet</groupId>
	  <artifactId>servlet-api</artifactId>
	  <version>2.5</version>
	</dependency>
  </dependencies>
  <build>
    <finalName>springmvc</finalName>
    <!-- maven的jetty服务器插件 -->
    <plugins>
    	<plugin>
		  <groupId>org.mortbay.jetty</groupId>
		  <artifactId>jetty-maven-plugin</artifactId>
		  <configuration>
		    <scanIntervalSeconds>10</scanIntervalSeconds>
		    <webApp>
		      <contextPath>/</contextPath>
		    </webApp>
		    <!-- 修改jetty的默认端口 -->
		    <connectors>
		       <connector implementation="org.eclipse.jetty.server.nio.SelectChannelConnector">
		          <port>80</port>
		          <maxIdleTime>60000</maxIdleTime>
		       </connector>
		    </connectors>
		  </configuration>
		</plugin>
    </plugins>
  </build>
</project>

webapp/WEB-INF/springmvc-servlet.xml:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="
	http://www.springframework.org/schema/beans
	http://www.springframework.org/schema/beans/spring-beans.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.cn.controller">
		<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
	</context:component-scan>
	
	<mvc:annotation-driven/>
	
	<!-- 静态资源 -->
	<mvc:resources location="/static/" mapping="/static/**"/>
	
	<!-- 视图控制器 -->
	<mvc:view-controller path="/" view-name="user/user"/>
	
	<!-- 视图解析器 -->
	<bean id="viewResolver" class="org.springframework.web.servlet.view.UrlBasedViewResolver">
		<property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
		<property name="prefix" value="/WEB-INF/views/"/>
		<property name="suffix" value=".jsp"/>
	</bean>
	
</beans>

webapp/WEB-INF/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">
  <display-name>Archetype Created Web Application</display-name>
  
  <!-- spring-orm-hibernate4的OpenSessionInViewFilter -->
  <filter>
  	<filter-name>opensessioninview</filter-name>
  	<filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class>
  </filter>
  <filter-mapping>
  	<filter-name>opensessioninview</filter-name>
  	<url-pattern>/*</url-pattern>
  </filter-mapping>
  
  <!-- 配置springmvc servlet -->
  <servlet>
  	<servlet-name>springmvc</servlet-name>
  	<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  	<load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
  	<servlet-name>springmvc</servlet-name>
  	<!-- / 表示所有的请求都要经过此serlvet -->
  	<url-pattern>/</url-pattern>
  </servlet-mapping>
  
  <!-- spring的监听器 -->
  <context-param>
	<param-name>contextConfigLocation</param-name>
	<param-value>classpath:applicationContext*.xml</param-value>
  </context-param>
  <listener>
	<listener-class>
		org.springframework.web.context.ContextLoaderListener
	</listener-class>
  </listener>
  
</web-app>

src/main/resources下的applicationContext.xml:

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

	<!-- 自动扫描并管理类 -->
	<context:component-scan base-package="com.cn">
		<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
	</context:component-scan>

	<!-- 加载classpath中的jdbc配置文件 -->
	<context:property-placeholder location="classpath:jdbc.properties"/>
	
	<!-- 配置数据源 -->
	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
		<property name="driverClassName" value="${jdbc.driver}"/>
		<property name="url" value="${jdbc.url}"/>
		<property name="username" value="${jdbc.username}"/>
		<property name="password" value="${jdbc.password}"/>
	</bean>
	
	<!-- 基于Hibernate的事务管理器 -->
	<bean id="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
		<property name="sessionFactory" ref="sessionFactory"></property>
	</bean>
	
	<!-- 开启基于注解的事务管理器 -->
	<tx:annotation-driven transaction-manager="transactionManager"/>
	
	<!-- SessionFactory -->
	<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
		<property name="dataSource" ref="dataSource"/>
		<!-- 实体类pojo所在包-->
		<property name="packagesToScan" value="com.cn.pojo"/>
		<property name="hibernateProperties">
			<props>
				<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
				<prop key="hibernate.show_sql">true</prop>
				<prop key="hibernate.cache.region.factory_class">org.hibernate.cache.ehcache.EhCacheRegionFactory</prop>
			</props>
		</property>
	</bean>
	
</beans>

src/main/resources下的数据库连接配置文件：jdbc.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql:///log
jdbc.username=root
jdbc.password=root

webapp/static/img/下的图片：1.jpg

User:

package com.cn.pojo;

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

@Entity
@Table(name="t_user")
public class User {

	private Integer id;
	private String username;
	private String password;
	
	@Id
	@GeneratedValue(strategy=GenerationType.IDENTITY)
	public Integer getId() {
		return id;
	}
	public void setId(Integer id) {
		this.id = id;
	}
	public String getUsername() {
		return username;
	}
	public void setUsername(String username) {
		this.username = username;
	}
	public String getPassword() {
		return password;
	}
	public void setPassword(String password) {
		this.password = password;
	}
	
	
}

BaseDao:

package com.cn.core.orm;

import java.io.Serializable;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.List;

import javax.inject.Inject;

import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Restrictions;
import org.hibernate.transform.ResultTransformer;

@SuppressWarnings({"unchecked","unused"})
public class BaseDao<T,PK extends Serializable> {

	private Class<?> clazz;
	
	public BaseDao() {
		ParameterizedType type = (ParameterizedType) this.getClass().getGenericSuperclass();
		Type[] types = type.getActualTypeArguments();
		clazz = (Class<?>) types[0];
	}
	
	private SessionFactory sessionFactory;
	
	@Inject
	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}
	
	public Session getSession() {
		return sessionFactory.getCurrentSession();
	}
	
	public void save(T pojo) {
		getSession().saveOrUpdate(pojo);
	}
	
	public T findById(PK id) {
		return (T) getSession().get(clazz, id);
	}
	
	
	public T findByProperty(String propertyName,Object value) {
		Criteria c = getSession().createCriteria(clazz);
		c.add(Restrictions.eq(propertyName, value));
		return (T) c.uniqueResult();
	}
	
	public List<T> findListByProperty(String propertyName,Object value) {
		Criteria c = getSession().createCriteria(clazz);
		c.add(Restrictions.eq(propertyName, value));
		return c.list();
	}
	
	public void del(PK id) {
		getSession().delete(findById(id));
	}
	
	public List<T> findAll() {
		Criteria c = getSession().createCriteria(clazz);
		return c.list();
	}

}

UserDao:

package com.cn.dao;

import javax.inject.Named;

import com.cn.core.orm.BaseDao;
import com.cn.pojo.User;

@Named
public class UserDao extends BaseDao<User, Integer>{

}

UserService:

package com.cn.service;

import java.util.List;

import javax.inject.Inject;
import javax.inject.Named;

import org.springframework.transaction.annotation.Transactional;

import com.cn.dao.UserDao;
import com.cn.pojo.User;

@Named
@Transactional
public class UserService {

	@Inject
	private UserDao userDao;

	public void save(User user) {
		userDao.save(user);
	}

	public List<User> findAll() {
		return userDao.findAll();
	}

	public User findById(Integer id) {
		return userDao.findById(id);
	}

	public void del(Integer id) {
		userDao.del(id);
	}
}

UserController:

package com.cn.controller;

import java.util.List;

import javax.inject.Inject;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import com.cn.pojo.User;
import com.cn.service.UserService;

@Controller
@RequestMapping("/user")
public class UserController {

	@Inject
	private UserService userService;
	
	@RequestMapping
	public String show(Model model){
		List<User> userList=userService.findAll();
		model.addAttribute("userList", userList);
		return "user/user";
	}
	
	@RequestMapping(value="/add",method=RequestMethod.GET)
	public String addForm(){
		return "user/add";
	}
	
	@RequestMapping(value="/add",method=RequestMethod.POST)
	public String add(User user){
		userService.save(user);
		return "redirect:/user";
	}
	
	@RequestMapping(value="/edit/{id}",method=RequestMethod.GET)
	public String editForm(@PathVariable Integer id,Model model){
		System.out.println(id);
		User user=userService.findById(id);
		model.addAttribute("user", user);
		return "user/edit";
	}
	
	@RequestMapping(value="/del/{id}")
	public String del(@PathVariable Integer id){
		userService.del(id);
		return "redirect:/user";
	}
}

webapp/WEB-INF/views/user/下的三个JSP文件：

user.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>
  </head>
  <body>
    <h1>用户列表---<a href="/user/add">添加用户</a></h1>
    <ul>
    	<c:forEach items="${userList }" var="user">
    		<li>用户名：${user.username }----密码：${user.password }----<a href="/user/edit/${user.id}">修改用户</a>----<a href="/user/del/${user.id }">删除用户</a></li>
    	</c:forEach>
    </ul>
    <img alt="" src="/static/img/1.jpg">
  </body>
</html>

add.jsp:

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>添加用户</title>
  </head>
  <body>
    <h1>添加用户</h1>
    <form action="/user/add" method="post">
    	用户名：<input type="text" name="username"/> <br/>
    	密 &nbsp;码：<input type="text" name="password"/> <br/>
    	<input type="submit" value="提交"/>
    </form>
  </body>
</html>

edit.jsp:

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>添加用户</title>
  </head>
  <body>
    <h1>添加用户</h1>
    <form action="/user/add" method="post">
    	<input type="hidden" name="id" value="${user.id }"/>
    	用户名：<input type="text" name="username" value="${user.username }"/> <br/>
    	密 &nbsp;码：<input type="text" name="password" value="${user.password }"/> <br/>
    	<input type="submit" value="提交"/>
    </form>
  </body>
</html>