Struts1+Hibernate+Spring整合实例（一）

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SSH博文写的也差不多了，这篇主要是通过做一个完整简单的小例子，来整合下前面学到的东西，顺便把后面写的两篇Maven和Ant也加入进来，如果SSH或Maven、Ant这些东西不懂，可先看其他文章。项目用Maven来管理jar，我后面会把pom.xml贴出来，供大家参考，Maven之外的有：

Ant：1.8.4；

Xdoclet：1.2.3；（个人喜欢1.0版本）

JDK：1.6；

Tomcat：6；

数据库：MySQL；

首先新建一个web Project（tgb_ssh），右击项目选中Configure—Convert to Maven Project，Finish！下面是pom.xml配置：

<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/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>tgb_ssh</groupId><artifactId>tgb_ssh</artifactId><version>1.0-SNAPSHOT</version><packaging>war</packaging><build><sourceDirectory>src</sourceDirectory><plugins><plugin><artifactId>maven-compiler-plugin</artifactId><version>3.0</version><configuration><source>1.6</source><target>1.6</target></configuration></plugin><plugin><artifactId>maven-war-plugin</artifactId><version>2.3</version><configuration><warSourceDirectory>WebContent</warSourceDirectory><failOnMissingWebXml>false</failOnMissingWebXml></configuration></plugin></plugins></build><dependencies><dependency><groupId>org.hibernate</groupId><artifactId>hibernate</artifactId><version>3.2.7.ga</version></dependency><dependency><groupId>xdoclet</groupId><artifactId>xdoclet</artifactId><version>1.2.3</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-orm</artifactId><version>3.0.0.RELEASE</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-orm</artifactId><version>3.0.0.RELEASE</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-web</artifactId><version>3.0.0.RELEASE</version></dependency>        	<dependency><groupId>struts</groupId><artifactId>struts</artifactId><version>1.2.9</version></dependency><dependency><groupId>javax.servlet</groupId><artifactId>servlet-api</artifactId><version>2.5</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-aop</artifactId><version>3.0.0.RELEASE</version></dependency><dependency><groupId>org.aspectj</groupId><artifactId>aspectjweaver</artifactId><version>1.7.1</version></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>5.0.2</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-struts</artifactId><version>3.0.0.RELEASE</version></dependency></dependencies><repositories><repository><id>java</id><name>java official repository</name><url>http://download.java.net/maven/2/</url></repository></repositories>
</project>

下面是我整个项目包结构的一张截图，后面提及的类及配置文件请对号入座：

自底而上，先创建数据库：test_ssh，在domain包下创建一个实体类User.java：

package com.tgb.domain;/*** 用户实体类* @author yuanfubiao*@hibernate.class table="t_user"**/
public class User {private int id;private String username;private String password;/*** @hibernate.id generator-class="native"*/	public int getId() {return id;}public void setId(int id) {this.id = id;}/*** @hibernate.property*/	public String getUsername() {return username;}public void setUsername(String username) {this.username = username;}/*** @hibernate.property*/	public String getPassword() {return password;}public void setPassword(String password) {this.password = password;}	
}

然后创建build.xml，配置好后就可以生成Hibernate的配置文件和映射文件了，build.xml：

<?xml version="1.0" encoding="UTF-8"?>
<project name="SSH构建脚本" default="生成Hibernate配置文件" basedir="."><property name="src.dir" value="${basedir}/src"/><property name="build.dir" value="${basedir}/bin"/><property name="webapp.dir" value="${basedir}/WebContent"/><property name="xdoclet.home" value="D:/Application/xdoclet-1.2.3"/><!-- 定义构建路径 --><path id="xdoclet.task.classpath"><fileset dir="${xdoclet.home}/lib"><include name="**/*.jar"/></fileset></path><taskdef name="hibernatedoclet"classname="xdoclet.modules.hibernate.HibernateDocletTask"classpathref="xdoclet.task.classpath"/>		<target name="生成Hibernate配置文件"><hibernatedoclet destdir="src"><fileset dir="${src.dir}/com/tgb/domain"><include name="**/*.java"/></fileset><hibernatecfgdestinationFile="hibernate.cfg.xml"dialect="org.hibernate.dialect.MySQLDialect"driver="com.mysql.jdbc.Driver"username="root"password="1"jdbcurl="jdbc:mysql://127.0.0.1/test_ssh"showsql="true"version="3.0"  hbm2ddl="update" xmlencoding="utf-8"/></hibernatedoclet></target><target name="生成hibernate映射文件"><hibernatedoclet destdir="src"><fileset dir="${src.dir}"><include name="com/tgb/domain/*.java"/></fileset><hibernate version="3.0"/></hibernatedoclet></target>
</project>

上面利用Ant+Xdoclet生成方式不多做介绍，可参看我后面的博客，生成的映射文件和配置文件如下：

hibernate.cfg.xml

<?xml version="1.0" encoding="gb2312"?>
<!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"><!-- Generated file - Do not edit! --><hibernate-configuration><!-- a SessionFactory instance listed as /jndi/name --><session-factory><!-- properties --><property name="dialect">org.hibernate.dialect.MySQLDialect</property><property name="show_sql">true</property><property name="use_outer_join">false</property><property name="connection.username">root</property><property name="connection.password">1</property><property name="connection.driver_class">com.mysql.jdbc.Driver</property><property name="connection.url">jdbc:mysql://127.0.0.1/test_ssh</property><property name="hbm2ddl.auto">update</property><!-- mapping files --><mapping resource="com/tgb/domain/User.hbm.xml"/></session-factory></hibernate-configuration>

User.hbm.xml

<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE hibernate-mapping PUBLIC"-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"><hibernate-mapping
><classname="com.tgb.domain.User"table="t_user"><idname="id"column="id"type="int"><generator class="native"></generator></id><propertyname="username"type="java.lang.String"update="true"insert="true"column="username"/><propertyname="password"type="java.lang.String"update="true"insert="true"column="password"/></class></hibernate-mapping>

完成domain层之后，在dao包下分别创建一个接口UserDao.java和实现类UserDaoImpl.java，如下：

UserDao.java

package com.tgb.dao;
import com.tgb.domain.User;public interface UserDao {public void addUser(User user);public User findUserByName(String userName);
}

UserDaoImpl.java

package com.tgb.dao;import org.springframework.orm.hibernate3.support.HibernateDaoSupport;import com.tgb.domain.User;public class UserDaoImpl extends HibernateDaoSupport implements UserDao{@Overridepublic void addUser(User user) {getHibernateTemplate().save(user);}@Overridepublic User findUserByName(String userName) {return (User)getHibernateTemplate().load(User.class, userName);}}

接下来创建manager包下的接口UserManager.java和实现类UserManagerImpl.java，如下：

UserManager.java

package com.tgb.manager;import com.tgb.domain.User;public interface UserManager {public void addUser(User user);public User findUserByName(String userName);
}

UserManagerImpl.java

package com.tgb.manager;import com.tgb.dao.UserDao;
import com.tgb.domain.User;public class UserManagerImpl implements UserManager {private UserDao userDao;public void setUserDao(UserDao userDao) {this.userDao = userDao;}@Overridepublic void addUser(User user) {userDao.addUser(user);}@Overridepublic User findUserByName(String userName) {return userDao.findUserByName(userName);}}

Web包下分别创建UserAction和UserActionForm两个类，如下：

UserActionForm.java

package com.tgb.web;import org.apache.struts.action.ActionForm;public class UserActionForm extends ActionForm {private String userName;private String password;public String getUserName() {return userName;}public void setUserName(String userName) {this.userName = userName;}public String getPassword() {return password;}public void setPassword(String password) {this.password = password;}}

UserAction.java

package com.tgb.web;import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;import com.tgb.domain.User;
import com.tgb.manager.UserManager;public class UserAction extends Action {private UserManager userManager;public void setUserManager(UserManager userManager) {this.userManager = userManager;}@Overridepublic ActionForward execute(ActionMapping mapping, ActionForm form,HttpServletRequest request, HttpServletResponse response)throws Exception {UserActionForm uaf = (UserActionForm)form;User user = new User();user.setUsername(uaf.getUserName());user.setPassword(uaf.getPassword());userManager.addUser(user);return mapping.findForward("success");}}

Java类到此为止，这篇有点多，下篇文章继续。

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