Maven 搭建SpringMVC+Hibernate项目详解

前言

     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。

博客来源:http://blog.csdn.net/fengshizty?viewmode=list

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

希望能帮助有需要的朋友,后续继续补充相关资料,谢谢大家对本站的支持!

以上是 Maven 搭建SpringMVC+Hibernate项目详解 的全部内容, 来源链接: utcz.com/p/210047.html

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