学习SSH 增删改查

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struts.xml

<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE struts PUBLIC"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN""http://struts.apache.org/dtds/struts-2.3.dtd"><struts><constant name="struts.objectFactory" value="spring" /><package name="test" extends="struts-default"><action name="login" class="login" method="execute"><result>/success.jsp</result></action><action name="del" class="login" method="del"><result name="del">/success.jsp</result></action><action name="addInfo" class="userInfo" method="add"><result name="add">/test.jsp</result></action><action name="delInfo" class="userInfo" method="del"><result name="del">/test.jsp</result></action></package></struts>

applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>  <beans xmlns="http://www.springframework.org/schema/beans"       xmlns:aop="http://www.springframework.org/schema/aop"       xmlns:tx="http://www.springframework.org/schema/tx"       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.xsd      http://www.springframework.org/schema/aop      http://www.springframework.org/schema/aop/spring-aop-4.0.xsd      http://www.springframework.org/schema/tx      http://www.springframework.org/schema/tx/spring-tx-4.0.xsd      http://www.springframework.org/schema/context        http://www.springframework.org/schema/context/spring-context-3.0.xsd">     <!-- 开启注解 -->  <context:annotation-config />    <!-- 定义数据源的信息 -->          <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"          destroy-method="close">          <property name="driverClass">              <value>com.mysql.jdbc.Driver</value>          </property>          <property name="jdbcUrl">              <value>jdbc:mysql://localhost:3306/test</value>          </property>        <property name="user">              <value>root</value>          </property>          <property name="password">              <value>1234</value>          </property>          <property name="maxPoolSize">              <value>80</value>          </property>          <property name="minPoolSize">              <value>1</value>          </property>          <property name="initialPoolSize">              <value>1</value>          </property>          <property name="maxIdleTime">              <value>20</value>          </property>      </bean>        <!-- 配置sessionFactory -->        <bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">    <property name="dataSource">    <ref bean="dataSource"/>    </property>        <property name="annotatedClasses">    <list>    <value>test.cqb.entity.User</value>    <value>test.cqb.entity.UserInfo</value>    </list>    </property>        <!-- 配置Hibernate信息 -->            <property name="hibernateProperties">              <props>           <prop key="show_sql">true</prop>            <prop key="hbm2ddl.auto">update</prop>                <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>                  <prop key="show_sql">true</prop>                  <prop key="hibernate.jdbc.batch_size">20</prop>                <prop key="current_session_context_class">thread</prop>              </props>          </property>    </bean>        <!-- 配置transactionManager -->        <bean id="transactionManager"          class="org.springframework.orm.hibernate4.HibernateTransactionManager">          <property name="sessionFactory" ref="sessionFactory" />      </bean>              <!-- 配置dao -->     <bean id="baseDao" class="test.cqb.dao.UserDao">          <property name="sessionFactory">              <ref bean="sessionFactory" />          </property>      </bean>        <bean id="userInfoDao" class="test.cqb.dao.UserInfoDao">    <property name="sessionFactory">    <ref bean="sessionFactory" />    </property>    </bean>    <!-- 配置service -->        <bean id="userService" class="test.cqb.service.UserService">          <property name="dao">              <ref bean="baseDao" />          </property>      </bean>    <bean id="userInfoService" class="test.cqb.service.UserInfoService">          <property name="dao">              <ref bean="userInfoDao" />          </property>      </bean>        <!-- 配置action -->        <bean id="login" class="test.cqb.action.LoginAction">          <property name="service">            <ref bean="userService" />        </property>      </bean>    <bean id="userInfo" class="test.cqb.action.UserInfoAction">    <property name="service">    <ref bean="userInfoService" />    </property>    </bean>        <!--     <aop:config>         <aop:pointcut expression="execution(* test.cqb.service.*(..))"             id="allpoint" />         <aop:advisor advice-ref="txAdvice" pointcut-ref="allpoint" />     </aop:config>    -->       <!-- 激活事务注释 -->    <tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true"/>    </beans>

web.xml

<?xml version="1.0" encoding="UTF-8"?><web-app id="WebApp_9" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">    <display-name>Struts Blank</display-name>    <filter>        <filter-name>struts2</filter-name>        <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>    </filter>    <filter-mapping>        <filter-name>struts2</filter-name>        <url-pattern>/*</url-pattern>    </filter-mapping><listener>          <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>      </listener>    <welcome-file-list>        <welcome-file>index.html</welcome-file>    </welcome-file-list></web-app>

dao示例

package test.cqb.dao;import org.hibernate.HibernateException;import org.hibernate.SessionFactory;import test.cqb.entity.User;public class UserDao implements BaseDao {private SessionFactory sessionFactory;public SessionFactory getSessionFactory() {return sessionFactory;}public void setSessionFactory(SessionFactory sessionFactory) {this.sessionFactory = sessionFactory;}@Overridepublic void save(User user) throws HibernateException {// TODO Auto-generated method stubsessionFactory.getCurrentSession().save(user);}@Overridepublic void update(User user) throws HibernateException {// TODO Auto-generated method stubsessionFactory.getCurrentSession().update(user);}@Overridepublic void delete(User user) throws HibernateException {// TODO Auto-generated method stubsessionFactory.getCurrentSession().delete(user);}@Overridepublic User findById(int id) throws HibernateException {// TODO Auto-generated method stubreturn (User) sessionFactory.getCurrentSession().get(User.class, id);}}

//service示例package test.cqb.service;import org.springframework.stereotype.Service;import org.springframework.transaction.annotation.Transactional;import test.cqb.dao.BaseDao;import test.cqb.dao.UserDao;import test.cqb.entity.User;@Transactionalpublic class UserService implements BaseService {private UserDao dao;public void setDao(UserDao dao) {this.dao = dao;}@Overridepublic void addUser(User user) {// TODO Auto-generated method stubdao.save(user);}@Overridepublic void delUser(User user) {dao.delete(user);}@Overridepublic User findById(int id) {// TODO Auto-generated method stubreturn dao.findById(id);}@Overridepublic void updateUser(User user) {// TODO Auto-generated method stubdao.update(user);}}

//action示例package test.cqb.action;import com.opensymphony.xwork2.ActionContext;import com.opensymphony.xwork2.ActionSupport;import test.cqb.entity.User;import test.cqb.service.BaseService;import test.cqb.service.UserService;public class LoginAction extends ActionSupport {private UserService service;public void setService(UserService service) {this.service = service;}public UserService getService() {return service;}@Overridepublic String execute() throws Exception {User user = new User();user.setName("chenqingbin");user.setPsd("1234");ActionContext.getContext().getSession().put("user", user);service.addUser(user);return SUCCESS;}public String del() throws Exception {User user = service.findById(25);//user.setName("chenfeifei");service.delUser(user);return "del";}}

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