java_SSH整合1

Domain:

public class Department {
    private Long id;
    private Set<User> users = new HashSet<User>();
    private Department parent;
    private Set<Department> children = new HashSet<Department>();

    private String name;
    private String description;
}

public class Role {
    private Long id;
    private String name;
    private String description;
    private Set<User> users = new HashSet<User>();
}

public class User {
    private Long id;
    private Department department;
    private Set<Role> roles = new HashSet<Role>();

    private String loginName; // 登录名
    private String password; // 密码
    private String name; // 真实姓名
    private String gender; // 性别
    private String phoneNumber; // 电话号码
    private String email; // 电子邮件
    private String description; // 说明

}

对应xml

Department.hbm.xml

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
        "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="cn.itcast.oa.domain">
    <class name="Department" table="itcast_department">
        <id name="id">
            <generator class="native" />
        </id>
        <property name="name" />
        <property name="description" />

        <!-- users属性，本类与User的一对多 -->
        <set name="users">
            <key column="departmentId"></key>
            <one-to-many class="User" />
        </set>

        <!-- parent属性，本类与Department（上级）的多对一 -->
        <many-to-one name="parent" class="Department" column="parentId"></many-to-one>

        <!-- children属性，本类与Department（下级）的一对多 -->
        <set name="children">
            <key column="parentId"></key>
            <one-to-many class="Department" />
        </set>

    </class>

</hibernate-mapping>

Role.hbm.xml

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
        "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="cn.itcast.oa.domain">

    <class name="Role" table="itcast_role">
        <id name="id">
            <generator class="native"/>
        </id>
        <property name="name"/>
        <property name="description"/>

        <!-- users属性，本类与User的多对多 -->
        <set name="users" table="itcast_user_role">
            <key column="roleId"></key>
            <many-to-many class="User" column="userId"></many-to-many>
        </set>

    </class>

</hibernate-mapping>

User.hbm.xml

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
        "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="cn.itcast.oa.domain">

    <class name="User" table="itcast_user">
        <id name="id">
            <generator class="native"/>
        </id>
        <property name="loginName"/>
        <property name="password"/>
        <property name="name"/>
        <property name="gender" />
        <property name="phoneNumber"/>
        <property name="email"/>
        <property name="description"/>

        <!-- department属性，本类与Department的多对一 -->
        <many-to-one name="department" class="Department" column="departmentId"></many-to-one>

        <!-- roles属性，本类与Role的多对多 -->
        <set name="roles" table="itcast_user_role">
            <key column="userId"></key>
            <many-to-many class="Role" column="roleId"></many-to-many>
        </set>

    </class>

</hibernate-mapping>

applicationContext.xml

<?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"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
                http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
                http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">

    <!-- 自动扫描与装配bean -->
    <context:component-scan base-package="cn.itcast.oa"></context:component-scan>

    <!-- 加载外部的properties配置文件 -->
    <context:property-placeholder location="classpath:jdbc.properties"/>

    <!-- 配置数据库连接池（c3p0） -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <!-- 基本信息 -->
        <property name="jdbcUrl" value="${jdbcUrl}"></property>
        <property name="driverClass" value="${driverClass}"></property>
        <property name="user" value="${username}"></property>
        <property name="password" value="${password}"></property>
        <!-- 其他配置 -->
        <!--初始化时获取三个连接，取值应在minPoolSize与maxPoolSize之间。Default: 3 -->
        <property name="initialPoolSize" value="3"></property>
        <!--连接池中保留的最小连接数。Default: 3 -->
        <property name="minPoolSize" value="3"></property>
        <!--连接池中保留的最大连接数。Default: 15 -->
        <property name="maxPoolSize" value="5"></property>
        <!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 3 -->
        <property name="acquireIncrement" value="3"></property>
        <!-- 控制数据源内加载的PreparedStatements数量。如果maxStatements与maxStatementsPerConnection均为0，则缓存被关闭。Default: 0 -->
        <property name="maxStatements" value="8"></property>
        <!-- maxStatementsPerConnection定义了连接池内单个连接所拥有的最大缓存statements数。Default: 0 -->
        <property name="maxStatementsPerConnection" value="5"></property>
        <!--最大空闲时间,1800秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0 -->
        <property name="maxIdleTime" value="1800"></property>
    </bean>

    <!-- 配置SessionFactory -->
    <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
        <property name="configLocation" value="classpath:hibernate.cfg.xml"></property>
    </bean>

    <!-- 配置声明式的事务管理（采用基于注解的方式） -->
    <bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
        <property name="sessionFactory" ref="sessionFactory"></property>
    </bean>
    <tx:annotation-driven transaction-manager="transactionManager"/>

</beans>

hibernate.cfg.xml

<!DOCTYPE hibernate-configuration PUBLIC
    "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
    "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
<session-factory>

    <!-- 数据库信息（连接信息写到spring的配置文件中） -->
    <property name="dialect">org.hibernate.dialect.MySQL5Dialect</property>
    <!--
        <property name="connection.url">jdbc:mysql:///itcastoa_20120216</property>
        <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="connection.username">root</property>
        <property name="connection.password">root</property>
    -->

    <!-- 其他配置 -->
    <property name="show_sql">true</property>
    <property name="hbm2ddl.auto">update</property>

    <!-- 导入映射配置 -->
    <mapping resource="cn/itcast/oa/domain/User.hbm.xml" />
    <mapping resource="cn/itcast/oa/domain/Department.hbm.xml" />
    <mapping resource="cn/itcast/oa/domain/Role.hbm.xml" />

</session-factory>
</hibernate-configuration>

structs.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>
    <!-- 配置为开发模式 -->
    <constant name="struts.devMode" value="true" />
    <!-- 配置扩展名为action -->
    <constant name="struts.action.extension" value="action" />

    <package name="default" namespace="/" extends="struts-default">

        <!-- 测试用的action，当与Spring整合后，class属性写的就是Spring中bean的名称 -->
        <action name="test" class="testAction">
            <result name="success">/test.jsp</result>
        </action>

        <!-- 岗位管理 -->
        <action name="roleAction_*" class="roleAction" method="{1}">
            <result name="list">/WEB-INF/jsp/roleAction/list.jsp</result>
            <result name="addUI">/WEB-INF/jsp/roleAction/addUI.jsp</result>
            <result name="editUI">/WEB-INF/jsp/roleAction/editUI.jsp</result>
            <result name="toList" type="redirectAction">roleAction_list</result>
        </action>

    </package>

</struts>