首先给ECLIPSE安装M2ECLIPSE插件，插件的UPDATESITE地址是http://m2eclipse.sonatype.org/sites/m2e，安装完毕后如果插件报Missing indirectly referenced artifact com.sun:tools:jar:1.5.0: 的错 请在ECLIPSE启动时候加上 -vm "C:\Program Files\Java\jdk1.6.0_01\bin" 后面的参数值是JDK的bin目录，如下图所示：
插件安装完毕后，双击pom.xml文件，我们将会看到如下界面 ，
插件解析了POM.XML文件使其可视化了，我们先点击dependencies页，然后就可以点击ADD按钮增加需要的依赖JAR包了，如下图：
添加完毕后，pom.xml的依赖项描述如下：
<dependencies>
<!-- Junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.0</version>
<scope>test</scope>
</dependency>
<!-- Struts 2 -->
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-core</artifactId>
<version>2.0.11.2</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-sitemesh-plugin</artifactId>
<version>2.0.11.2</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-spring-plugin</artifactId>
<version>2.0.11.2</version>
</dependency>
<!-- Servlet & Jsp -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.4</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jsp-api</artifactId>
<version>2.0</version>
<scope>provided</scope>
</dependency>
<!-- Jakarta Commons -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.1.1</version>
</dependency>
<dependency>
<groupId>commons-beanutils</groupId>
<artifactId>commons-beanutils</artifactId>
<version>1.7.0</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<!-- JPA -->
<dependency>
<groupId>javax.persistence</groupId>
<artifactId>persistence-api</artifactId>
<version>1.0</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<!-- hibernate -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-annotations</artifactId>
<version>3.3.0.ga</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-commons-annotations</artifactId>
<version>3.3.0.ga</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate</artifactId>
<version>3.2.5.ga</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<!-- mysql connector -->
<dependency>
<groupId>${jdbc.groupId}</groupId>
<artifactId>${jdbc.artifactId}</artifactId>
<version>${jdbc.version}</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<!-- Dwr -->
<dependency>
<groupId>uk.ltd.getahead</groupId>
<artifactId>dwr</artifactId>
<version>1.1.1</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<!-- data source -->
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<!-- spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-hibernate3</artifactId>
<version>2.0.8</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>2.5.4</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>2.5.4</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>2.5.6</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring</artifactId>
<version>2.5.6</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
</dependencies>
从中可以发现mysql connector 有点奇怪，没有版本号和JAR包名，这是因为这些信息作为公共信息提取出来了，在pom.xml尾端我们加入了一下属性描述，如下：
<properties>
<dbunit.dataTypeFactoryName>org.dbunit.ext.mysql.MySqlDataTypeFactory</dbunit.dataTypeFactoryName>
<dbunit.operation.type>CLEAN_INSERT</dbunit.operation.type>
<hibernate.dialect>org.hibernate.dialect.MySQL5InnoDBDialect</hibernate.dialect>
<jdbc.groupId>mysql</jdbc.groupId>
<jdbc.artifactId>mysql-connector-java</jdbc.artifactId>
<jdbc.version>5.1.13</jdbc.version>
<jdbc.driverClassName>com.mysql.jdbc.Driver</jdbc.driverClassName>
<jdbc.url><![CDATA[jdbc:mysql://localhost/test?createDatabaseIfNotExist=true&useUnicode=true&characterEncoding=utf-8]]></jdbc.url>
<jdbc.username>root</jdbc.username>
<jdbc.password>root</jdbc.password>
</properties>
注：dbunit.dataTypeFactoryName 是dbunit数据类型生成器的类型配置，可以根据不同的数据库进行设置，有如下配置可供选择
org.dbunit.ext.db2.Db2DataTypeFactory
org.dbunit.ext.h2.H2DataTypeFactory
org.dbunit.ext.db2.HsqldbDataTypeFactory
org.dbunit.ext.mssql.MsSqlDataTypeFactory
org.dbunit.ext.mysql.MySqlDataTypeFactory
org.dbunit.ext.oracle.OracleDataTypeFactory
org.dbunit.ext.oracle.Oracle10DataTypeFactory
org.dbunit.ext.postgresql.PostgresqlDataTypeFactory
org.dbunit.ext.netezza.NetezzaDataTypeFactory
OK 添加完依赖项以后我们添加 dbunit插件和hibernate3-maven插件，我们点击plugins页，然后点击ADD按钮就可以添加了，方法雷同添加依赖项，添加完毕以后我们需要对插件进行配置，这只能直接改pom.xml文件进行配置，我们来看下最终的配置xml片段，
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>dbunit-maven-plugin</artifactId>
<version>1.0-beta-3</version>
<executions>
<execution>
<id>test-compile</id>
<phase>test-compile</phase>
<goals>
<goal>operation</goal>
</goals>
</execution>
<execution>
<id>test</id>
<phase>test</phase>
<goals>
<goal>operation</goal>
</goals>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>${jdbc.groupId}</groupId>
<artifactId>${jdbc.artifactId}</artifactId>
<version>${jdbc.version}</version>
</dependency>
</dependencies>
<configuration>
<dataTypeFactoryName>${dbunit.dataTypeFactoryName}</dataTypeFactoryName>
<driver>${jdbc.driverClassName}</driver>
<username>${jdbc.username}</username>
<password>${jdbc.password}</password>
<url>${jdbc.url}</url>
<src>src/test/resources/sample-data.xml</src>
<type>${dbunit.operation.type}</type>
<skip>${maven.test.skip}</skip><!--很重要，可以控制是否要在package时插入测试数据-->
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>hibernate3-maven-plugin</artifactId>
<version>2.2</version>
<dependencies>
<dependency>
<groupId>${jdbc.groupId}</groupId>
<artifactId>${jdbc.artifactId}</artifactId>
<version>${jdbc.version}</version>
</dependency>
</dependencies>
<configuration>
<components>
<component>
<name>hbm2ddl</name>
<implementation>annotationconfiguration</implementation>
</component>
</components>
<componentProperties>
<drop>true</drop>
<jdk5>true</jdk5>
<propertyfile>target/classes/jdbc.properties</propertyfile>
</componentProperties>
<skip>${maven.test.skip}</skip><!--很重要，可以控制是否要在package时重新建表-->
</configuration>
<executions>
<execution>
<phase>process-test-resources</phase>
<goals>
<goal>hbm2ddl</goal>
</goals>
</execution>
</executions>
</plugin>
以上配置的具体含义可以查看这些插件的官方文档。
好了以上配置完成以后，我们接着创建配置文件和实体类，列表如下：
1、创建实体类/src/main/java/com/ceair/app/model User.java 使用注解来标识字段，之后可以通过hibernate3-maven-plug插件生成对应的表，代码如下：
package com.ceair.app.model;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
/**
* @author Administrator
*
*/
@Entity
public class User {
private Long id;
private String name;
/**
* @return the id
*/
@Id
@GeneratedValue
public Long getId() {
return id;
}
/**
* @param id the id to set
*/
public void setId(Long id) {
this.id = id;
}
/**
* @return the name
*/
@Column(name="name")
public String getName() {
return name;
}
/**
* @param name the name to set
*/
public void setName(String name) {
this.name = name;
}
}
2、创建hibernate配置文件 src/main/resources/hibernate.cfg.xml 对实体类进行映射，配置内容如下：
<!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<mapping class="com.ceair.app.model.User"/>
</session-factory>
</hibernate-configuration>
3、创建 src/main/resources/jdbc.properties 此文件中的信息applicationContext.xml和hibernate3-maven-plugin将会用到，内容如下：
hibernate.dialect=org.hibernate.dialect.MySQL5InnoDBDialect
hibernate.connection.username=root
hibernate.connection.password=root
hibernate.connection.url=jdbc:mysql://localhost/test?createDatabaseIfNotExist=true&useUnicode=true&characterEncoding=utf-8
hibernate.connection.driver_class=com.mysql.jdbc.Driver
注意：值一定要去掉前后空格，切记！！
4、创建JPA描述文件src/main/resources/META-INF/persistence.xml ，其内容如下：
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"
version="1.0">
<persistence-unit name="ApplicationEntityManager" transaction-type="RESOURCE_LOCAL">
<provider>org.hibernate.ejb.HibernatePersistence</provider>
<!--
<properties>
<property name="hibernate.hbm2ddl.auto" value="create-drop"/>
</properties>
-->
</persistence-unit>
</persistence>
5、创建DBUNIT种子数据文件 src/test/resources/sample-data.xml dbunit-maven-plug插件需要使用此文件，其内容如下：
<?xml version="1.0" encoding="UTF-8"?>
<dataset>
<table name="user">
<column>id</column>
<column>name</column>
<row>
<value description="id">-1</value>
<value description="name">user</value>
</row>
<row>
<value description="id">-2</value>
<value description="name">管理员</value>
</row>
</table>
</dataset>
6、修改src/main/resources/applicationContext.xml 添加hibernate相关的配置，添加内容如下：
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath:jdbc.properties</value>
</list>
</property>
</bean>
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource" destroy-method="close">
<property name="driverClassName" value="${hibernate.connection.driver_class}"/>
<property name="url" value="${hibernate.connection.url}"/>
<property name="username" value="${hibernate.connection.username}"/>
<property name="password" value="${hibernate.connection.password}"/>
<property name="maxActive" value="100"/>
<property name="maxWait" value="1000"/>
<property name="poolPreparedStatements" value="true"/>
<property name="defaultAutoCommit" value="true"/>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="configLocation" value="classpath:hibernate.cfg.xml"/>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">${hibernate.dialect}</prop>
<prop key="hibernate.cache.use_second_level_cache">false</prop>
<prop key="hibernate.cache.provider_class">org.hibernate.cache.EhCacheProvider</prop>
<prop key="show_sql">true</prop>
</props>
</property>
</bean>
注意： datasource使用了org.springframework.jdbc.datasource.DriverManagerDataSource 不具备连接池功能，生产环境可以使用com.mchange.v2.c3p0.ComboPooledDataSource，sessionFactory中的show_sql项在生产中应该是false
最后安装MYSQL5，需要注意的是如果之前安装过MYSQL但是忘了root用户密码的话，请删除C:\Documents and Settings\All Users\Application Data 下的MYSQL文件夹后再安装，还有记得选择默认语言编码为UTF-8。
以上工作全部完成以后，打开命令行，进入项目目录后输入mvn jetty:run后启动项目，项目启动后会自动在MYSQL中创建user表 并插入sample-data.xml中的数据，如下图所示：
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