SSH登录与增删改查demo详解+源代码

public class TestUser {
	//获取Spring资源文件
	ApplicationContext ac = new FileSystemXmlApplicationContext("classpath:applicationContext.xml");
	SessionFactory sessionFactory = (SessionFactory) ac.getBean("sessionFactory");;
	Session session = sessionFactory.openSession();
	Transaction transaction = session.beginTransaction();

	@Test
	public void testInsert() throws Exception{
	
		User user = new User("Alin", "123456", 1, 0);
		session.save(user);
		transaction.commit();
		session.close();
	}
	
	@Test
	public void testDelete() throws Exception{
		User user = new User();
		user.setUser_id(3);
		session.delete(user);
		transaction.commit();
		session.close();
	}
	
	@Test
	public void testUpdate() throws Exception{
		User user = new User("rose", "666666", 1, 0);
		user.setUser_id(2);
		session.update(user);
		transaction.commit();
		session.close();
	}
	
	@Test
	public void testSelect1() throws Exception{
		//当查询全部字段时，可省略select *
		Query query = session.createQuery("from User");
		List<User> users = query.list();
		for (User user : users) {
			System.out.println(user.toString());
		}
	}
	
	@Test
	public void testSelect2() throws Exception{
		//查询部分字段
		Query query = session.createQuery("select new User(username,age,priority) from User");
		List<User> users = query.list();
		for (User users2 : users) {
			System.out.println(users2.toString());
		}
	}
}

public interface UserService {
	public User loginServce(User user);
}
public class UserServiceImpl implements UserService {
	
	//hibernate的SessionFactory对象由spring自动注入，入口为getSessionFactory方法
	private SessionFactory sessionFactory;
	
	@Override
	public User loginServce(User user) {
		//执行数据库查询
		String sql = "from User where username = ? and password = ?";
		@SuppressWarnings("unchecked")
		List<User> list = sessionFactory.getCurrentSession().createQuery(sql)
		.setString(0, user.getUsername())
		.setString(1, user.getPassword()).list();
		if(list != null && list.size() == 1){
			//返回结果
			return list.get(0);
		}
		return null;
	}

	public SessionFactory getSessionFactory() {
		return sessionFactory;
	}

	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}
}

public class UserAction extends ActionSupport implements ModelDriven<User>{

	//用于ModelDriven填充对象,入口为getModel方法
	private User user;
	//用于spring自动注入，入口为setUserService方法
	private UserService userService;

	private static final long serialVersionUID = 1L;

	//方法名对应login_*.action中的*通配符
	public String login(){
		//调用service方法，返回从数据库取出的数据
		User returnUser = userService.loginServce(user);
		if(returnUser != null){
			//获取当前request对象
			HttpServletRequest request = ServletActionContext.getRequest();
			//将对象装入session
			request.getSession().setAttribute("User", user);
			//返回视图
			return SUCCESS;
		}
		return ERROR;
	}
	
	public UserService getUserService(){
		return userService;
	}
	public void setUserService(UserService userService){
		this.userService = userService;
	}

	@Override
	public User getModel() {
		user = new User();
		return user;
	}
	
}

<!-- 数据库的连接信息，使用的是数据源的方式jdbc/dbcp/c3p0 -->
	<!-- 配置数据源，将数据源交给spring容器管理 -->
	<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
		destroy-method="close">
		<property name="driverClass" value="com.mysql.jdbc.Driver" />
		<property name="jdbcUrl" value="jdbc:mysql:///ssh" />
		<property name="user" value="root" />
		<property name="password" value="" />
		<!--初始化时获取的连接数，取值应在minPoolSize与maxPoolSize之间。Default: 3 -->
		<property name="initialPoolSize" value="1" />
		<!--连接池中保留的最小连接数。 -->
		<property name="minPoolSize" value="1" />
		<!--连接池中保留的最大连接数。Default: 15 -->
		<property name="maxPoolSize" value="300" />
		<!--最大空闲时间,60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="60" />
		<!--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="5" />
		<!--每60秒检查所有连接池中的空闲连接。Default: 0 -->
		<property name="idleConnectionTestPeriod" value="60" />
	</bean>
	
	<!-- 注解扫描包 -->
	<context:component-scan base-package="com.mstf" />
	
	<!-- 配置sessionFactory 工厂 -->
	<bean id="sessionFactory"
		class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
		<property name="dataSource" ref="dataSource" />
		<!-- 引入hibernate的主配置文件 -->
		<property name="configLocation" value="classpath:hibernate.cfg.xml"></property>
	</bean>
	
	<!-- 配置事物 -->
	<!-- 定义一个事物管理器 -->
	<bean id="transactionManager"
		class="org.springframework.orm.hibernate3.HibernateTransactionManager">
		<property name="sessionFactory" ref="sessionFactory" />
	</bean>

	<!-- 定义一个切面来进行事物管理 -->
	<tx:advice id="personTransaction" transaction-manager="transactionManager">
		<tx:attributes>
			<tx:method name="get*" read-only="true" propagation="NOT_SUPPORTED" />
			<tx:method name="*" />
		</tx:attributes>
	</tx:advice>
	<aop:config>
		<aop:pointcut expression="execution(* com.mstf.service..*.*(..))"
			id="personPontCut" />
		<aop:advisor advice-ref="personTransaction" pointcut-ref="personPontCut" />
	</aop:config>
	
	<!-- 将业务层交给spring容器来管理 -->
 	<bean id="infoServiceImpl" class="com.mstf.service.impl.InfoServiceImpl">
		<property name="sessionFactory" ref="sessionFactory" />
	</bean>

	<!--将action交给spring容器来管理 -->
	<bean id="infoAction" class="com.mstf.action.InfoAction">
		<property name="infoService" ref="infoServiceImpl" />
	</bean>
	
	<!-- 将业务层交给spring容器来管理 -->
 	<bean id="userServiceImpl" class="com.mstf.service.impl.UserServiceImpl">
		<property name="sessionFactory" ref="sessionFactory" />
	</bean>

	<!--将action交给spring容器来管理 -->
	<bean id="userAction" class="com.mstf.action.UserAction">
		<property name="userService" ref="userServiceImpl" />
	</bean>

</beans>

<hibernate-mapping package="com.mstf.bean">
	<!-- 配置bean与数据库表的映射关系 -->
	<class name="Info" table="info">
		<!-- 设置主键 -->
		<id name="id" column="id">
			<generator class="native" />
		</id>
		<!-- 其他属性 -->
		<property name="name" />
		<property name="age" />
		<property name="address" />
	</class>
	
	<class name="User" table="user">
		<id name="user_id" column="user_id">
			<!-- 自动增长策略 -->
			<generator class="increment" />
		</id>
		<property name="username" column="username"/>
		<property name="password" column="password"/>
		<property name="age" column="age"/>
		<property name="priority" column="priority"/>
	</class>
	
</hibernate-mapping>

<hibernate-configuration>
<session-factory>

	<!-- SQL dialect -->
	<property name="dialect">
		org.hibernate.dialect.MySQL5Dialect
	</property>
	<!-- 其它的配置 -->
	<property name="show_sql">true</property>

	<property name="hbm2ddl.auto">update</property>
	<!-- 映射配置 -->
	<mapping resource="com/mstf/bean/Bean.hbm.xml" />

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

<struts>
	<package name="default" namespace="/" extends="struts-default">
		<action name="info_*" class="infoAction" method="{1}">
			<result name="list">/userHomepage.jsp</result>
			<result name="addUI">/addUI.jsp</result>
			<result name="updateUI">/updateUI.jsp</result>
			<result name="tolist" type="redirectAction">info_list.action</result>
		</action>
		
		<action name="user_*" class="userAction" method="{1}">
			<result name="success" type="redirectAction">info_list.action</result>
			<result name="error">/error.jsp</result>
		</action>
	</package>

</struts>