spring+springmvc+jpa整合

首先导入所有jar(hibernate(hibernate-jpamodelgen-4.3.11.Final.jar),spring,springmvc,druid,ehcache,mysql,aspectj)

导入ehcache.xml（二级缓存文件）

配置web.xml

 
	<filter>
		<description>字符集过滤器description>
		<filter-name>encodingFilterfilter-name>
		<filter-class>
		    org.springframework.web.filter.CharacterEncodingFilter
		filter-class>
		<init-param>
			<description>字符集编码description>
			<param-name>encodingparam-name>
			<param-value>UTF-8param-value>
		init-param>
	filter>
	<filter-mapping>
		<filter-name>encodingFilterfilter-name>
		<url-pattern>/*url-pattern>
	filter-mapping>
	
	<context-param>
		<param-name>contextConfigLocationparam-name>
		<param-value>classpath:spring.xmlparam-value>
	context-param>
	<listener>
	    <listener-class>
	        org.springframework.web.context.ContextLoaderListener
	    listener-class>
	listener>
	
	
	<servlet>
		<servlet-name>dispatcherServletservlet-name>
		<servlet-class>
		    org.springframework.web.servlet.DispatcherServlet
		servlet-class>
		<init-param>
			<param-name>contextConfigLocationparam-name>
			<param-value>classpath:springmvc.xmlparam-value>
		init-param>
		
		<load-on-startup>1load-on-startup>
	servlet>
	<servlet-mapping>
		<servlet-name>dispatcherServletservlet-name>
		<url-pattern>/url-pattern>
	servlet-mapping>
	
	
	
	<filter>
		<filter-name>HiddenHttpMethodFilterfilter-name>
		<filter-class>
		     org.springframework.web.filter.HiddenHttpMethodFilter
		filter-class>
	filter>
	<filter-mapping>
	    <filter-name>HiddenHttpMethodFilterfilter-name>
	    <url-pattern>/*url-pattern>
	filter-mapping>
	
   <servlet>
      <servlet-name>DruidStatViewservlet-name>
      <servlet-class>com.alibaba.druid.support.http.StatViewServletservlet-class>
  servlet>
  <servlet-mapping>
      <servlet-name>DruidStatViewservlet-name>
      <url-pattern>/druid/*url-pattern>
  servlet-mapping>
	
	
  <filter>
    <filter-name>noSessionFilterfilter-name>
    <filter-class>org.springframework.orm.jpa.support.OpenEntityManagerInViewFilterfilter-class>
  filter>
  <filter-mapping>
    <filter-name>noSessionFilterfilter-name>
    <url-pattern>/*url-pattern>
  filter-mapping>

spring.xml

<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:aop="http://www.springframework.org/schema/aop" 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-4.2.xsd
		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.2.xsd
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.2.xsd">

	
	<context:component-scan base-package="com.znsd.ssj">
		<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>
	
	
	<context:property-placeholder location="classpath:db.properties" />
	
   
   <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"> 
     <property name="url" value="jdbc:mysql://localhost:3306/vote" />
     <property name="username" value="root"/>
     <property name="password" value="100" />

     <property name="filters" value="stat" />

     <property name="maxActive" value="20" />
     <property name="initialSize" value="1" />
     <property name="maxWait" value="60000" />
     <property name="minIdle" value="1" />

     <property name="timeBetweenEvictionRunsMillis" value="60000" />
     <property name="minEvictableIdleTimeMillis" value="300000" />

     <property name="testWhileIdle" value="true" />
     <property name="testOnBorrow" value="false" />
     <property name="testOnReturn" value="false" />

     <property name="poolPreparedStatements" value="true" />
     <property name="maxOpenPreparedStatements" value="20" />

     <property name="asyncInit" value="true" />
 bean>

	
	<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
		
		<property name="dataSource" ref="dataSource" />
		
		<property name="packagesToScan" value="com.znsd.ssj.entities" />
		
		<property name="jpaVendorAdapter">
			<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">bean>
		property>
		
		<property name="jpaProperties">
			
			<props>
				<prop key="hibernate.show_sql">trueprop>
				<prop key="hibernate.format_sql">trueprop>
				<prop key="hibernate.hbm2ddl.auto">updateprop>
				
				<prop key="hibernate.cache.use_second_level_cache">trueprop>
				<prop key="hibernate.cache.region.factory_class">
					org.hibernate.cache.ehcache.EhCacheRegionFactory
				prop>
				<prop key="hibernate.cache.use_query_cache">trueprop>
			props>
		property>
	bean>

	
	<bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource" />
	bean>

	
	<tx:advice id="txAdvice" transaction-manager="txManager">
		<tx:attributes>
			<tx:method name="find*" propagation="REQUIRED" read-only="true" />
			<tx:method name="search*" propagation="REQUIRED" read-only="true" />
			<tx:method name="query*" propagation="REQUIRED" read-only="true" />

			<tx:method name="add*" propagation="REQUIRED" />
			<tx:method name="submit*" propagation="REQUIRED" />
			<tx:method name="save*" propagation="REQUIRED" />
			<tx:method name="insert*" propagation="REQUIRED" />

			<tx:method name="del*" propagation="REQUIRED" />
			<tx:method name="remove*" propagation="REQUIRED" />

			<tx:method name="update*" propagation="REQUIRED" />
			<tx:method name="modify*" propagation="REQUIRED" />

			<tx:method name="*" propagation="REQUIRED" read-only="true" />
		tx:attributes>
	tx:advice>

	
	<aop:config>
		<aop:pointcut id="serviceMethod" expression="execution(* com.znsd.ssj.Service.*.*.*(..))" />
		<aop:advisor advice-ref="txAdvice" pointcut-ref="serviceMethod" />
	aop:config>

beans>

springmvc.xml

<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.2.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-4.2.xsd">

	
	<context:component-scan base-package="com.znsd.ssj" 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>

	
	<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/WEB-INF/views/" />
		<property name="suffix" value=".jsp" />
	bean>
	
	
	<mvc:default-servlet-handler />

	
	<mvc:annotation-driven />
beans>

实体类

package com.znsd.ssj.entities;

import java.io.Serializable;

import javax.persistence.Cacheable;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;

@Table(name="student")
@Entity
@Cacheable(true)
public class Student implements Serializable{
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	@Id
	@GeneratedValue(strategy=GenerationType.AUTO)
	private Integer studentid;//id
	private String studentname;//姓名
	private String studenthobby;//入学时间
	private String studentsex;//性别
	private Integer studentage;//年龄
	@ManyToOne(cascade=CascadeType.ALL,fetch=FetchType.LAZY)
	@JoinColumn(name="claid")
	private Clazz clazz;
	public Integer getStudentid() {
		return studentid;
	}
	public void setStudentid(Integer studentid) {
		this.studentid = studentid;
	}
	public String getStudentname() {
		return studentname;
	}
	public void setStudentname(String studentname) {
		this.studentname = studentname;
	}
	public String getStudenthobby() {
		return studenthobby;
	}
	public void setStudenthobby(String studenthobby) {
		this.studenthobby = studenthobby;
	}
	public String getStudentsex() {
		return studentsex;
	}
	public void setStudentsex(String studentsex) {
		this.studentsex = studentsex;
	}
	public Integer getStudentage() {
		return studentage;
	}
	public void setStudentage(Integer studentage) {
		this.studentage = studentage;
	}
	public Clazz getClazz() {
		return clazz;
	}
	public void setClazz(Clazz clazz) {
		this.clazz = clazz;
	}
	@Override
	public String toString() {
		return "Student [studentid=" + studentid + ", studentname=" + studentname + ", studenthobby=" + studenthobby
				+ ", studentsex=" + studentsex + ", studentage=" + studentage + ", clazz=" + clazz + "]";
	}
}