springdata-jpa demo

demo 下载：

http://download.csdn.net/download/knight_black_bob/9421829

jar

 

web.xml

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

    <welcome-file-list>
		<welcome-file>/back/jsp/main.jsp</welcome-file>
	</welcome-file-list>


	<!-- 配置启动 IOC 容器的 Listener -->
	<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>
	
	<!-- 配置字符编码过滤器 -->
	<!-- 字符编码过滤器必须配置在所有过滤器的最前面! -->
	<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>
	
	<!-- 配置可以把 POST 请求转为 PUT、DELETE 请求的 Filter -->
	<filter>
		<filter-name>HiddenHttpMethodFilter</filter-name>
		<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
	</filter>
	
	<filter-mapping>
		<filter-name>HiddenHttpMethodFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	
	<!-- 配置 OpenEntityManagerInViewFilter. 可以解决懒加载异常的问题 -->
	<filter>
		<filter-name>OpenEntityManagerInViewFilter</filter-name>
		<filter-class>org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter</filter-class>
	</filter>
	
	<filter-mapping>
		<filter-name>OpenEntityManagerInViewFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	
	<!-- 配置 SpringMVC 的 DispatcherServlet -->
	<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>
		<url-pattern>/</url-pattern>
	</servlet-mapping>

</web-app>

 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:context="http://www.springframework.org/schema/context"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:jpa="http://www.springframework.org/schema/data/jpa"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa-1.3.xsd
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd">

	<!-- 配置自动扫描的包 -->
	<context:component-scan base-package="com.curiousby">
		<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
		<context:exclude-filter type="annotation" expression="org.springframework.web.bind.annotation.ControllerAdvice"/>
	</context:component-scan>
	
	<!-- 配置数据源 -->
	<context:property-placeholder location="classpath:db.properties"/>

	<bean id="dataSource"
		class="com.mchange.v2.c3p0.ComboPooledDataSource">
		<property name="user" value="${jdbc.user}"></property>	
		<property name="password" value="${jdbc.password}"></property>	
		<property name="driverClass" value="${jdbc.driverClass}"></property>	
		<property name="jdbcUrl" value="${jdbc.jdbcUrl}"></property>	
		
		<!-- 配置其他属性 -->
	</bean>
	
	<!-- 配置 JPA 的 EntityManagerFactory -->
	<bean id="entityManagerFactory"
		class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
		<property name="dataSource" ref="dataSource"></property>
		<property name="jpaVendorAdapter">
			<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"></bean>
		</property>	
		<property name="packagesToScan" value="com.curiousby"></property>
		<property name="jpaProperties">
			<props>
				<prop key="hibernate.ejb.naming_strategy">org.hibernate.cfg.ImprovedNamingStrategy</prop>
				<prop key="hibernate.hbm2ddl.auto">update</prop>
				<prop key="hibernate.show_sql">true</prop>
				<prop key="hibernate.format_sql">true</prop>
				<prop key="hibernate.dialect">org.hibernate.dialect.MySQL5InnoDBDialect</prop>
				
				<prop key="hibernate.cache.use_second_level_cache">true</prop>
				<prop key="hibernate.cache.region.factory_class">org.hibernate.cache.ehcache.EhCacheRegionFactory</prop>
				<prop key="hibernate.cache.use_query_cache">true</prop>
			</props>
		</property>
		<property name="sharedCacheMode" value="ENABLE_SELECTIVE"></property>
	</bean>
	
	<!-- 配置事务 -->
	<bean id="transactionManager"
		class="org.springframework.orm.jpa.JpaTransactionManager">
		<property name="entityManagerFactory" ref="entityManagerFactory"></property>	
	</bean>
	
	<!-- 配置支持基于注解的事务 -->
	<tx:annotation-driven transaction-manager="transactionManager"/>
	
	<!-- 配置 SpringData -->
	<jpa:repositories base-package="com.curiousby"
		entity-manager-factory-ref="entityManagerFactory"></jpa:repositories>
	
</beans>

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/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
		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-4.0.xsd">

	<!-- 配置自动扫描的包 -->
	<context:component-scan base-package="com.curiousby" use-default-filters="false">
		<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
		<context:include-filter type="annotation" expression="org.springframework.web.bind.annotation.ControllerAdvice"/>
	</context:component-scan>
	
	<!-- 配置视图解析器 -->
	<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value=""></property>
		<property name="suffix" value=".jsp"></property>
	</bean>

	<mvc:default-servlet-handler/>
	<mvc:annotation-driven></mvc:annotation-driven>

</beans>

package com.curiousby.entity;
  
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
 
@Table(name="T_USER")
@Entity
public class User {
	 
	private int userid;
	private String username;
	private String password;
	private String tel;
	private String sex;
	private String description;
	
	@Id
    @GeneratedValue(strategy = GenerationType.AUTO) 
	public int getUserid() {
		return userid;
	} 
	public String getUsername() {
		return username;
	}
	public String getPassword() {
		return password;
	}
	public String getTel() {
		return tel;
	}
	public String getSex() {
		return sex;
	}
	public String getDescription() {
		return description;
	} 
	public void setUserid(int userid) {
		this.userid = userid;
	}
	public void setUsername(String username) {
		this.username = username;
	}
	public void setPassword(String password) {
		this.password = password;
	}
	public void setTel(String tel) {
		this.tel = tel;
	}
	public void setSex(String sex) {
		this.sex = sex;
	}
	public void setDescription(String description) {
		this.description = description;
	}
	
	
	 
	 
}

package com.curiousby.repository;

import java.util.List;
 

import javax.persistence.QueryHint;

import org.springframework.data.jpa.repository.JpaRepository; 
import org.springframework.data.jpa.repository.Query;
import org.springframework.data.jpa.repository.QueryHints;

import com.curiousby.entity.User;

/**
 * @author baoyou E-mail:curiousby@163.com
 * @version 2016年1月28日 下午1:13:09
 *
 * desc: ...
 */
public interface UserRepository extends JpaRepository<User, Integer>{
	
	@QueryHints({@QueryHint(name=org.hibernate.ejb.QueryHints.HINT_CACHEABLE,value="true")})
	@Query("FROM User u")
	List<User> getAll();
}

package com.curiousby.service;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.curiousby.entity.User;
import com.curiousby.repository.UserRepository;

@Service
public class UserService {

	@Autowired
	private UserRepository userRepository;

	@Transactional(readOnly = true)
	public List<User> allUser() {
		return userRepository.getAll();
	}

	@Transactional(readOnly = true)
	public void delUser(int userId) {
		userRepository.delete(userId);
	}

	@Transactional(readOnly = true)
	public User user(int userId) {
		return userRepository.findOne(userId);
	}

	@Transactional(readOnly = true)
	public void updateUser(User user) {
		userRepository.saveAndFlush(user);
	}

	@Transactional
	public void addUser(User user) {
		userRepository.save(user);
	}

}

package com.curiousby.action;

import java.util.List;

import javax.servlet.http.HttpSession;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap; 
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping; 
import org.springframework.web.bind.annotation.RequestMethod;

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

@Controller
public class UserController {

      @Autowired
      UserService service;

      @RequestMapping(value = "/userView.do")
      public String userView(ModelMap modelMap,String pageNo, String choice, HttpSession session){
            List<User> userList = service.allUser();
           modelMap.put("userList", userList);
           return "back/jsp/user/userView";
     }
 

      @RequestMapping(value = "/userDel{userId}.do")
      public String userDel(@PathVariable("userId")int userId ,ModelMap modelMap,String pageNo, String choice, HttpSession session){
             service.delUser(userId);
             String message1="删除成功";
             String message2="请返回……";
             String  url="userView.do";
             modelMap.put("message1", message1);
             modelMap.put("message2", message2);
             modelMap.put("url", url);
            return "infomationShow";
      }

      @RequestMapping(value ="/userGoAdd.do")
             public String userGoAdd(ModelMap modelMap,String pageNo, String choice, HttpSession session){
             return "back/jsp/user/userAdd";
      }

      @RequestMapping(value = "/userAdd.do",method=RequestMethod.POST)
      public String userAdd(User form,ModelMap modelMap,String pageNo, String choice, HttpSession session){
             service.addUser(form);
             String message1="添加成功";
             String message2="请返回……";
             String  url="userView.do";
             modelMap.put("message1", message1);
             modelMap.put("message2", message2);
            modelMap.put("url", url);
             return "infomationShow";
      }

      @RequestMapping(value = "/userGoUpdate{userId}.do")
      public String userGoUpdate(@PathVariable("userId")int userId ,ModelMap modelMap,String pageNo, String choice, HttpSession session){
            User user = service.user(userId);
           modelMap.put("user", user);
           return "back/jsp/user/userUpdate";
      }

      @RequestMapping(value = "/userUpdate.do",method=RequestMethod.POST)
      public String userUpdate(User form,ModelMap modelMap,String pageNo, String choice, HttpSession session){
             service.updateUser(form);
             String message1="修改成功";
             String message2="请返回……";
             String  url="userView.do";
             modelMap.put("message1", message1);
             modelMap.put("message2", message2);
             modelMap.put("url", url);
             return "infomationShow";
      }
      
}

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