今天复习一下SpringMVC+Hibernate的搭建,本来想着将Spring-Security权限控制框架也映入其中的,但是发现内容太多 了,Spring-Security的就留在下一篇吧,这篇主要搭建SpringMVC4.1.4和Hibernate4.3.8,之前也打了好多 SpringMVC的,这部分已经非常的熟悉了,毕竟业开发过一年多SpringMVC的,这次持久层采用Hibernate,数据源采用c3p0,数据 库暂采用MySQL,主要是想复习一下Hibernate。搭建SpringMVC+Hibernate的框架的思路如下:

1、设计数据库:设计好表结构,最好符合3NF,采用Hibernate tools将设计好的表自动生成对应的实体entity。

1、创建Maven项目,按需映入Maven包依赖。

2、搭建Spring:配置Spring对控件层Bean的注入。

3、搭建Hibernate:配置数据源,配置SessionFactory,配置事务,以及二级缓存ehcache的配置。

4、测试Spring+Hibernate的框架搭建,写单元测试JUnit,测试事务配置等。

5、映入SpringMVC:配置SpringMVC配置信息。

6、配置web.xml容器

7、测试三个框架的整合:Maven编译打包部署服务器,测试。

1、数据库设计

设计一个权限、角色、用户的表。自然如果一个用户可以有多个角色,一个角色多个用户所拥有;一个角色拥有多个权限,一个权限对应多个角色。所以按照数据库
表结构设计,符合3NF的话我们需要5张表进行存在。表的具体信息就不列出了(可以下在源码,里面还有数据库),表关系如下:

这里面ID才用到是java的UUID(36位)

2、创建Maven项目,编写pom.xml文件

创建一个Maven的webapp项目,编写pom.xml文件,引入所需的包依赖,我这里就将所需的全部的映入了。

pom.xml文件内容如下:

  <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>org.andy.sh</groupId>
<artifactId>springmvc_hibernate_demo</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version> <name>springmvc_hibernate_demo Maven Webapp</name>
<url>http://maven.apache.org</url> <properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<spring.version>4.1.4.RELEASE</spring.version>
<hibernate.version>4.3.8.Final</hibernate.version>
<jackson.version>2.5.0</jackson.version>
</properties> <dependencies> <!-- junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency> <!-- spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency> <dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.version}</version>
</dependency> <dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency> <dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency> <dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency> <dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
<scope>test</scope>
</dependency> <!-- 使用SpringMVC需配置 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency> <!-- 关系型数据库整合时需配置 如hibernate jpa等 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
</dependency> <!-- hibernate -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>${hibernate.version}</version>
</dependency> <dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-ehcache</artifactId>
<version>${hibernate.version}</version>
</dependency> <!-- 二级缓存ehcache -->
<dependency>
<groupId>net.sf.ehcache</groupId>
<artifactId>ehcache</artifactId>
<version>2.9.0</version>
</dependency> <!-- log4j -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency> <!-- mysql连接 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.34</version>
</dependency> <!-- c3p0数据源 -->
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5-pre10</version>
</dependency> <!-- json -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.3</version>
</dependency> <dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>${jackson.version}</version>
</dependency> <dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>${jackson.version}</version>
</dependency> <dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency> <!-- aop -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.8.4</version>
</dependency> <!-- servlet -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>3.0-alpha-1</version>
<scope>provided</scope>
</dependency> <dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency> </dependencies> <build>
<finalName>springmvc_hibernate_demo</finalName> <plugins>
<!-- Run the JUnit unit tests in an isolated classloader -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.4.2</version>
<configuration>
<skipTests>true</skipTests>
</configuration> </plugin> <plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.3</version>
<configuration>
<webXml>src/main/webapp/WEB-INF/web.xml</webXml>
</configuration>
</plugin> <!-- generate java doc -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>2.9.1</version>
<configuration>
<javadocDirectory>target/javadoc</javadocDirectory>
<reportOutputDirectory>target/javadoc</reportOutputDirectory>
<charset>UTF-8</charset>
<encoding>UTF-8</encoding>
<docencoding>UTF-8</docencoding>
<show>private</show>
</configuration>
</plugin> <!-- 部署至本机 -->
<plugin>
<groupId>org.codehaus.cargo</groupId>
<artifactId>cargo-maven2-plugin</artifactId>
<version>1.0</version>
<configuration>
<container>
<containerId>tomcat6x</containerId>
<home>D:\WebServer\apache-tomcat-6.0.39</home>
</container>
<configuration>
<type>existing</type>
<home>D:\WebServer\apache-tomcat-6.0.39</home>
</configuration>
</configuration>
</plugin>
</plugins> </build>
</project>

3、引入Spring配置

编写配置文件,配置文件放在src/main/resources资源目录下(下同)。

项目所需的配置信息config.properties

#application configs

#jdbc c3p0 config
jdbc.driver = com.mysql.jdbc.Driver
jdbc.url = jdbc:mysql://localhost:3306/work?useUnicode=true&characterEncoding=utf-8
jdbc.username = root
jdbc.password = 12345 #hibernate config
hibernate.dialect = org.hibernate.dialect.MySQLDialect
hibernate.show_sql = true
hibernate.format_sql = false
hibernate.hbm2ddl.auto = update
hibernate.cache.use_second_level_cache = true
hibernate.cache.use_query_cache = true
hibernate.cache.region.factory_class = org.hibernate.cache.ehcache.EhCacheRegionFactory
hibernate.cache.provider_configuration_file_resource_path = ehcache.xml

3.1、spring配置

spring.xml的配置文件如下:

<?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"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.1.xsd">
<!-- 加载配置文件 --> <context:property-placeholder location="classpath:config.properties"/>
<!-- 扫描service自动注入为bean -->
<context:component-scan base-package="org.andy.work.service.impl,org.andy.work.dao.impl" /> </beans>

上面spring配置了对应包下组件bean自动注入管理,我们需要将dao,service的实现类交由spring管理,如(@Repository,@Service)。

3.2、引入日志文件配置Log4j

log4j.properties的配置文件如下:

### set log levels ###
log4j.rootLogger = INFO , C , D , E ### console ###
log4j.appender.C = org.apache.log4j.ConsoleAppender
log4j.appender.C.Target = System.out
log4j.appender.C.layout = org.apache.log4j.PatternLayout
log4j.appender.C.layout.ConversionPattern = [springmvc_hibernate_demo][%p] [%-d{yyyy-MM-dd HH:mm:ss}] %C.%M(%L) | %m%n ### log file ###
log4j.appender.D = org.apache.log4j.DailyRollingFileAppender
log4j.appender.D.File = ../logs/springmvc_hibernate_demo.log
log4j.appender.D.Append = true
log4j.appender.D.Threshold = INFO
log4j.appender.D.layout = org.apache.log4j.PatternLayout
log4j.appender.D.layout.ConversionPattern = [springmvc_hibernate_demo][%p] [%-d{yyyy-MM-dd HH:mm:ss}] %C.%M(%L) | %m%n ### exception ###
log4j.appender.E = org.apache.log4j.DailyRollingFileAppender
log4j.appender.E.File = ../logs/springmvc_hibernate_demo_error.log
log4j.appender.E.Append = true
log4j.appender.E.Threshold = ERROR
log4j.appender.E.layout = org.apache.log4j.PatternLayout
log4j.appender.E.layout.ConversionPattern = [sspringmvc_hibernate_demo][%p] [%-d{yyyy-MM-dd HH:mm:ss}] %C.%M(%L) | %m%n

4、Hibernate配置

Hibernate的配置主要包括:配置数据源c3p0,配置SessionFactory,配置事务管理器,配置事务管理,其spring-hibernate.xml文件如下:

<?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: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-4.1.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-4.1.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-4.1.xsd"> <!-- 配置数据源 c3p0 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
destroy-method="close">
<property name="driverClass" value="${jdbc.driver}" />
<property name="jdbcUrl" value="${jdbc.url}" />
<property name="user" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" /> <!-- 请求超时时间 -->
<property name="checkoutTimeout" value="30000" />
<!-- 每60秒检查所有连接池中的空闲连接。默认值: 0,不检查 -->
<property name="idleConnectionTestPeriod" value="30" />
<!-- 连接数据库连接池最大空闲时间 -->
<property name="maxIdleTime" value="30" />
<!-- 连接池初始化连接数 -->
<property name="initialPoolSize" value="5" />
<property name="minPoolSize" value="5" />
<property name="maxPoolSize" value="20" />
<!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。默认值: 3 -->
<property name="acquireIncrement" value="5" />
</bean> <!-- 配置hibernate的SessionFactory -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<!-- 注入数据源 相关信息看源码 -->
<property name="dataSource" ref="dataSource" />
<!-- hibernate配置信息 -->
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">${hibernate.dialect}</prop>
<prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
<prop key="hibernate.format_sql">${hibernate.format_sql}</prop>
<prop key="hibernate.hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop> <!-- 开启二级缓存 ehcache -->
<prop key="hibernate.cache.use_second_level_cache">${hibernate.cache.use_second_level_cache}</prop>
<prop key="hibernate.cache.use_query_cache">${hibernate.cache.use_query_cache}</prop>
<prop key="hibernate.cache.region.factory_class">${hibernate.cache.region.factory_class}</prop>
<prop key="hibernate.cache.provider_configuration_file_resource_path">${hibernate.cache.provider_configuration_file_resource_path}
</prop>
</props>
</property>
<!-- 扫描hibernate注解配置的entity -->
<property name="packagesToScan" value="org.andy.work.entity" />
</bean> <!-- 配置事务管理器 -->
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean> <!-- 配置事务增强处理Bean,指定事务管理器 -->
<tx:advice id="transactionAdvice" transaction-manager="transactionManager">
<!-- 配置详细事务处理语义 -->
<tx:attributes>
<tx:method name="insert*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="delete*" propagation="REQUIRED" /> <tx:method name="get*" propagation="SUPPORTS" read-only="true" />
<tx:method name="find*" propagation="SUPPORTS" read-only="true" />
<tx:method name="select*" propagation="SUPPORTS" read-only="true" />
<tx:method name="load*" propagation="SUPPORTS" read-only="true" /> <!-- 其他采用默认事务方式 -->
<tx:method name="*" /> </tx:attributes>
</tx:advice> <!-- Spring aop事务管理 -->
<aop:config>
<!-- 配置切入点 -->
<aop:pointcut id="transactionPointcut"
expression="execution(* org.andy.work.service..*Impl.*(..))" />
<!-- 指定在txAdvice切入点应用txAdvice事务增强处理 -->
<aop:advisor pointcut-ref="transactionPointcut"
advice-ref="transactionAdvice" />
</aop:config> </beans>

上面配置了二级缓存,ehcache,相关的具体信息查看上一篇Hibernate二级缓存以及ehcache的搭建配置,下面是二级缓存的配置。

4.1、ehcache.xml的配置

<?xml version="1.0" encoding="UTF-8"?>
<ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../config/ehcache.xsd">
<diskStore path="D:/ehcache" />
<!-- DefaultCache setting. -->
<defaultCache
maxElementsInMemory="1000"
eternal="false"
timeToIdleSeconds="120"
timeToLiveSeconds="120"
maxElementsOnDisk="1000000"
overflowToDisk="true"
memoryStoreEvictionPolicy="LRU"> </defaultCache> <!-- Special objects setting. --> <cache
name="org.andy.work.entity.AcctUser"
maxElementsInMemory="2"
memoryStoreEvictionPolicy="LRU"
eternal="true"
diskPersistent="false"
overflowToDisk="false"
maxElementsOnDisk="1000000" /> </ehcache>

上面Hibernate二级缓存ehcache存放磁盘是D:/ehcache

5、生成业务entity实体

设计好数据表后,Hibernate的实体有工具Hibernate tools自动生成,Eclipse需要安装Hibernate

tools插件(我在线安装过几次都不成功,推荐使用links离线安装,附录将介绍),所以不需要手工的书写,下面就贴一个用户信息的实
体,AcctUser.java

package org.andy.work.entity;

// Generated 2015-2-3 10:43:00 by Hibernate Tools 4.0.0

import java.util.Date;
import java.util.HashSet;
import java.util.Set; import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.ManyToMany;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType; import org.hibernate.annotations.Cache;
import org.hibernate.annotations.CacheConcurrencyStrategy; import com.fasterxml.jackson.annotation.JsonIgnoreProperties; /**
* AcctUser generated by hbm2java
*/
@Entity
@Table(name = "acct_user", catalog = "work")
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
public class AcctUser implements java.io.Serializable { /**
*
*/
private static final long serialVersionUID = 6980093847795726310L;
private String id;
private String nickName;
private String telephone;
private Date registerTime;
private Set<AcctRole> acctRoles = new HashSet<AcctRole>(0); public AcctUser() { } public AcctUser(String id, String nickName) {
this.id = id;
this.nickName = nickName;
} public AcctUser(String id, String nickName, String telephone,
Date registerTime, Set<AcctRole> acctRoles) {
this.id = id;
this.nickName = nickName;
this.telephone = telephone;
this.registerTime = registerTime;
this.acctRoles = acctRoles;
} @Id
@Column(name = "id", unique = true, nullable = false, length = 36)
public String getId() {
return this.id;
} public void setId(String id) {
this.id = id;
} @Column(name = "nick_name", nullable = false)
public String getNickName() {
return this.nickName;
} public void setNickName(String nickName) {
this.nickName = nickName;
} @Column(name = "telephone")
public String getTelephone() {
return this.telephone;
} public void setTelephone(String telephone) {
this.telephone = telephone;
} @Temporal(TemporalType.TIMESTAMP)
@Column(name = "register_time", length = 19)
public Date getRegisterTime() {
return this.registerTime;
} public void setRegisterTime(Date registerTime) {
this.registerTime = registerTime;
} @JsonIgnoreProperties(value={"acctUsers", "acctAuthorities"})
@ManyToMany(fetch = FetchType.LAZY)
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
@JoinTable(name = "acct_user_role", catalog = "work", joinColumns = { @JoinColumn(name = "user_id", nullable = false, updatable = false) }, inverseJoinColumns = { @JoinColumn(name = "role_id", nullable = false, updatable = false) })
public Set<AcctRole> getAcctRoles() {
return this.acctRoles;
} public void setAcctRoles(Set<AcctRole> acctRoles) {
this.acctRoles = acctRoles;
} }

上面有几个需要注意的

上面大多数都是Hibernate tools自动生成的,但是有几个需要手动添加:

1、如果这个实体使用二级缓存的话,需要添加@cache注解;

2、如果该实体里面还有集合元素(set, map,list),如果实体要采用二级缓存,那么这些集合元素必须也添加@cache注解

3、@JsonIgnoreProperties注解是为了防止SpringMVC在json返回时产生循环输出使用,如果不配置的话就会出现json死循环(还有多对多,一对多的属性时)。

4、@JsonIgnore这个是在转换成json是忽略该属性,而@JsonIgnoreProperties(value={"acctUsers", "acctAuthorities"})则是忽略acctRoles里面的acctUsers和acctAuthorites属性。

6、创建Dao层

6.1Dao接口

Dao层和Service层我们肯定采用的是面相接口编程的思想,所以,我们先定义一个通用的Dao接口,GenericDao.java

package org.andy.work.dao;

import java.io.Serializable;
import java.util.List; /**
* 创建时间:2015-2-6 下午2:26:42
*
* @author andy
* @version 2.2
*
* Dao通用接口
*/ interface GenericDao<T, PK extends Serializable> { T load(PK id); T get(PK id); List<T> findAll(); void persist(T entity); PK save(T entity); void saveOrUpdate(T entity); void delete(PK id); void flush();
}

在定义具体的UserDao.java接口

package org.andy.work.dao;

import org.andy.work.entity.AcctUser;

/**
* 创建时间:2015-2-6 下午2:43:50
*
* @author andy
* @version 2.2
*
* 用户Dao接口
*/ public interface UserDao extends GenericDao<AcctUser, String> { }

6.2、Dao层实现类

我们需要将Dao层的实现类注入为bean,所以需要添加@Repository注解,UserDaoImpl如下:

package org.andy.work.dao.impl;

import java.util.List;

import org.andy.work.dao.UserDao;
import org.andy.work.entity.AcctUser;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository; /**
* 创建时间:2015-2-6 下午2:45:14
*
* @author andy
* @version 2.2
*/
@Repository("userDao")
public class UserDaoImpl implements UserDao { @Autowired
private SessionFactory sessionFactory; private Session getCurrentSession() {
return this.sessionFactory.getCurrentSession();
} @Override
public AcctUser load(String id) {
return (AcctUser) this.getCurrentSession().load(AcctUser.class, id);
} @Override
public AcctUser get(String id) {
return (AcctUser) this.getCurrentSession().get(AcctUser.class, id);
} @SuppressWarnings("unchecked")
@Override
public List<AcctUser> findAll() {
List<AcctUser> acctUsers = this.getCurrentSession().createQuery("from AcctUser").setCacheable(true).list();
return acctUsers;
} @Override
public void persist(AcctUser entity) {
this.getCurrentSession().persist(entity); } @Override
public String save(AcctUser entity) {
return (String) this.getCurrentSession().save(entity);
} @Override
public void saveOrUpdate(AcctUser entity) {
this.getCurrentSession().saveOrUpdate(entity);
} @Override
public void delete(String id) {
AcctUser entity = this.load(id);
this.getCurrentSession().delete(entity);
} @Override
public void flush() {
this.getCurrentSession().flush(); } }

7、创建Service层

7.1、Service层接口

package org.andy.work.service;

import java.util.List;

import org.andy.work.entity.AcctUser;

/**
* 创建时间:2015-2-6 下午3:18:57
*
* @author andy
* @version 2.2
* userService接口
*/ public interface UserService {
AcctUser load(String id); AcctUser get(String id); List<AcctUser> findAll(); void persist(AcctUser entity); String save(AcctUser entity); void saveOrUpdate(AcctUser entity); void delete(String id); void flush();
}

7.2、service层实现类

UserServiceImpl就需要注入上面定义的Dao层bean。

package org.andy.work.service.impl;

import java.util.List;

import org.andy.work.dao.UserDao;
import org.andy.work.entity.AcctUser;
import org.andy.work.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service; /**
* 创建时间:2015-2-6 下午3:24:16
*
* @author andy
* @version 2.2 UserService 的实现
*/
@Service("userService")
public class UserServiceImpl implements UserService { @Autowired
private UserDao userDao; @Override
public AcctUser load(String id) {
return userDao.load(id);
} @Override
public AcctUser get(String id) {
return userDao.get(id);
} @Override
public List<AcctUser> findAll() {
return userDao.findAll();
} @Override
public void persist(AcctUser entity) {
userDao.persist(entity);
} @Override
public String save(AcctUser entity) {
return userDao.save(entity);
} @Override
public void saveOrUpdate(AcctUser entity) {
userDao.saveOrUpdate(entity);
} @Override
public void delete(String id) {
userDao.delete(id);
} @Override
public void flush() {
userDao.flush();
} }

8、测试Spring和Hibernate的整合

我们可以在src/test/java编写测试类,测试上面的配置,如果测试成功已经基本大功告成。

package org.andy.work.service;

import java.util.Date;
import java.util.List;
import java.util.UUID; import org.andy.work.entity.AcctUser;
import org.apache.log4j.Logger;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import com.alibaba.fastjson.JSON; /**
* 创建时间:2015-2-6 下午3:31:07
*
* @author andy
* @version 2.2
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = { "classpath:spring.xml",
"classpath:spring-hibernate.xml" })
public class TestUserService { private static final Logger LOGGER = Logger
.getLogger(TestUserService.class); @Autowired
private UserService userService; @Test
public void save() {
AcctUser acctUser = new AcctUser();
acctUser.setId(UUID.randomUUID().toString());
acctUser.setNickName("andy");
acctUser.setRegisterTime(new Date());
acctUser.setTelephone("13022221111");
String id = userService.save(acctUser);
LOGGER.info(JSON.toJSONString(id));
} }

9、引入SpringMVC

添加spring-mvc.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.1.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd"> <!-- 自动扫描@Controller注入为bean -->
<context:component-scan base-package="org.andy.work.controller" /> <!-- 以下为SpringMVC配置 -->
<mvc:annotation-driven>
<!-- 返回json数据,@response使用 -->
<mvc:message-converters register-defaults="true">
<bean
class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html;charset=UTF-8</value>
<value>application/json;charset=UTF-8</value>
</list>
</property> </bean>
</mvc:message-converters>
</mvc:annotation-driven> <!-- 对模型视图名称的解析,即在模型视图名称添加前后缀 -->
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass"
value="org.springframework.web.servlet.view.JstlView" />
<property name="prefix" value="/WEB-INF/views" />
<property name="suffix" value=".jsp" />
</bean> </beans>

上面配置了包扫描Controller,[email protected]��,和视图层的配置。

10、配置web.xml容器

web容器是web项目的大脑,所以web容器,首先需要引入spring,让spring管理各个框架,并将其注入为bean。然后配置控制层的filter信息。并且配置了springmvc拦截的url为以.hmls结尾的请求。

web.xml文件如下:

<?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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
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"> <display-name>springmvc_demo</display-name> <context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring.xml,classpath:spring-hibernate.xml</param-value>
</context-param> <filter>
<filter-name>encodingFilter</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>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping> <!-- openSessionInView配置 作用是延迟session关闭到view层 -->
<filter>
<filter-name>openSessionInViewFilter</filter-name>
<filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class>
<init-param>
<param-name>singleSession</param-name>
<param-value>true</param-value>
</init-param>
</filter> <!-- 监听servletContext,启动contextConfigLocation中的spring配置信息 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener> <!-- 防止spring内存溢出监听器 -->
<listener>
<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
</listener> <servlet>
<description>spring mvc servlet</description>
<servlet-name>rest</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<!-- 此处配置的是SpringMVC的配置文件 -->
<param-value>classpath:spring-mvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet> <servlet-mapping>
<servlet-name>rest</servlet-name>
<url-pattern>*.htmls</url-pattern>
</servlet-mapping> <filter-mapping>
<filter-name>openSessionInViewFilter</filter-name>
<url-pattern>*.htmls</url-pattern>
</filter-mapping> <!-- 配置session超时时间,单位分钟 -->
<session-config>
<session-timeout>30</session-timeout>
</session-config> <welcome-file-list>
<welcome-file>/index.jsp</welcome-file>
</welcome-file-list>
</web-app>

11、创建控制层Controller

控制层UserController

package org.andy.work.controller;

import java.util.List;

import org.andy.work.entity.AcctUser;
import org.andy.work.service.UserService;
import org.apache.log4j.Logger;
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.ResponseBody; /**
* 创建时间:2015-2-7 上午11:49:00
* @author andy
* @version 2.2
* 描述: 用户Controller
*/
@Controller
@RequestMapping("/user")
public class UserController { private static final Logger LOGGER = Logger.getLogger(UserController.class); @Autowired
private UserService userService; @RequestMapping("/showInfo/{userId}")
public String showUserInfo(ModelMap modelMap, @PathVariable String userId){
LOGGER.info("查询用户:" + userId);
AcctUser userInfo = userService.load(userId);
modelMap.addAttribute("userInfo", userInfo);
return "/user/showInfo";
} @RequestMapping("/showInfos")
public @ResponseBody List<AcctUser> showUserInfos(){
LOGGER.info("查询用户全部用户");
List<AcctUser> userInfos = userService.findAll();
return userInfos;
}
}

12、创建视图层

在src/main/webapp/WEB-INF/views下 创建user/showInfo.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%@taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt"%> <%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<base href="<%=basePath%>" />
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script type="text/javascript" src="js/jquery-1.9.1.min.js"></script>
<title>userInfo</title>
</head>
<body>
用户信息 昵称: ${userInfo.nickName} 用户id:${userInfo.id} 用户电话:${userInfo.telephone } 注册时间:
<fmt:formatDate value="${userInfo.registerTime }" pattern="yyyy-MM-dd HH:mm:ss" />
角色:[
<c:forEach items="${ userInfo.acctRoles}" var="role">
${role.name }   权限[
<c:forEach items="${ role.acctAuthorities}" var="authority">
${authority.name }
</c:forEach> ]
</c:forEach>
] <br /> ajax显示全部用户信息:
<div id="show_all_user"></div>
</body>
<script type="text/javascript">
$.ajax({
type : "get",
url : "user/showInfos.htmls",
dataType : "json",
success : function(data) {
$(data).each(
function(i, user) {
var p = "<p>昵称:" + user.nickName + " 电话:"
+ user.telephone + " 注册时间:"
+ user.registerTime + " id:" + user.id +
"</p>";
$("#show_all_user").append(p);
});
},
async : true
});
</script>
</html>

13、部署服务器测试

使用Maven打包部署:clean compile  package

部署到tomcat,测试

主要测试上面的  http://localhost:8080/springmvc_hibernate_demo/user/showInfo/6e5afb1d-50e1-45fe-b6fe-b9e399415387.htmls

和http://localhost:8080/springmvc_hibernate_demo/user/showInfos.htmls  (json数据返回)

上面视图层就包含了这两条url请求的测试:

ok,到此Spring+SpringMVC+Hibernate搭建完毕。

项目源码:http://download.csdn.net/detail/fengshizty/8432647

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