Struts+Spring+Hibernate/SSH整合开发详细二
| SSH相关配置文件以及UserDao(系MyEclipse自动生成) 整合示例请您阅读 /****************************************************struts-config.xml****************************************************/ <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN" ""><!-- Struts 配置文件中的元素配置时是有一定顺序的 --> <struts-config> <data-sources /> <form-beans> <form-bean name="userForm" type="com.wuwei.struts.form.UserForm"> </form-bean> </form-beans><global-exceptions /> <global-forwards /> <action-mappings> <action path="/validateUser" type="com.wuwei.struts.action.ValidateUserAction" name="userForm"> <forward name="success" path="/success.jsp"></forward> <forward name="fail" path="/fail.jsp"></forward> </action></action-mappings> <!-- 加上controller就不用再配置action的type属性了/或者说type属性不用改为 type="org.springframework.web.struts.DelegatingActionProxy" --> <controller processorClass="org.springframework.web.struts.DelegatingRequestProcessor"> </controller><message-resources parameter="com.wuwei.struts.ApplicationResources" /><plug-in className="org.springframework.web.struts.ContextLoaderPlugIn"> <set-property property="contextConfigLocation" value="/WEB-INF/classes/applicationContext.xml" /> </plug-in><!-- 如下配置的话，就可以不在Action中配置type属性了 --> <!--<controller> <set-property property="processorClass" value="org.springframework.web.struts.DelegatingRequestProcessor" /> </controller>--><!--配置一个插件去集成spring --> <!--<plug-in className="org.springframework.web.struts.ContextLoaderPlugIn"> <set-property property="contextConfigLocation" value="/WEB-INF/applicationContext.xml" /> </plug-in>--> </struts-config>/*********************************************….hbm.xml************************************************/ <?xml version="1.0" encoding="utf-8"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" ""> <!-- Mapping file autogenerated by MyEclipse Persistence Tools --> <hibernate-mapping> <!-- <class name="com.wuwei.struts.bean.User" table="user" schema="dbo" catalog="test">--> <class name="com.wuwei.struts.bean.User" table="user" lazy="false"> <id name="ID" type="java.lang.Integer"> <column name="id" /> <generator class="increment" /> </id> <property name="username" type="java.lang.String"> <column name="username" length="8" /> </property> <property name="pwd" type="java.lang.String"> <column name="pwd" length="8" /> </property> </class> </hibernate-mapping>
/*******************************************************applicationConfig.xml**********************************************************/ <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="" xmlns:xsi="" xsi:schemaLocation=" "><!-- 数据源部分 --> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"> <property name="driverClassName" value="net.sourceforge.jtds.jdbc.Driver"> </property> <property name="url" value="jdbc:jtds:sqlserver://localhost:1433/test"> </property> <property name="username" value="sa"></property> <property name="password" value="admin"></property> </bean><!-- 将Hibernate交由Spring管理(Hibernate相关配置信息) ,创建SessionFactory--> <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <property name="dataSource"> <ref bean="dataSource" /> </property> <property name="hibernateProperties"> <props> <prop key="hibernate.dialect"> org.hibernate.dialect.SQLServerDialect </prop> <prop key="hibernate.show_sql">true</prop> </props> </property> <property name="mappingResources"> <list> <value>com/wuwei/struts/dao/User.hbm.xml</value> </list> </property> </bean><!-- 通过HibernateDaoSupport来操作数据库,需要植入sessionFactory UserDao继承自HibernateDaoSupport --> <bean id="userDao" class="com.wuwei.struts.dao.UserDAO"> <property name="sessionFactory" ref="sessionFactory" /> </bean><!-- 如果想在某个Dao类中直接使用HibernateTemplate来操作数据库，则需要按如下配置 上述的HibernateDaoSupport其实也是利用HibernateTemplate来操作数据库的,只是做 了一些封装。刚开始还一直在想，哪种实现方式好了,这样看来，还是看个人习惯吧。 --> <!-- <bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate"> <property name="sessionFactory" ref="sessionFactory" /> </bean> <bean id="userDao" class="com.wuwei.struts.dao.UserDAO"> <property name="hibernateTemplate" ref="hibernateTemplate" /> </bean> --><!-- Struts --> <bean name="/validateUser" class="com.wuwei.struts.action.ValidateUserAction"> <property name="userDAO" ref="userDao" /></bean> </beans>
/****************************************************UserDAO.java****************************************************/ package com.wuwei.struts.dao;import java.util.List; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.hibernate.LockMode; import org.springframework.context.ApplicationContext; import org.springframework.orm.hibernate3.support.HibernateDaoSupport;import com.wuwei.struts.bean.User; /** * Data access object (DAO) for domain model class User. * * @see com.wuwei.struts.dao.User * @author MyEclipse Persistence Tools */ public class UserDAO extends HibernateDaoSupport{private static final Log log = LogFactory.getLog(UserDAO.class); // property constants public static final String USERNAME = "username";public static final String PWD = "pwd"; protected void initDao() { // do nothing }public void save(User transientInstance) { log.debug("saving User instance"); try { getHibernateTemplate().save(transientInstance); log.debug("save successful"); } catch (RuntimeException re) { log.error("save failed", re); throw re; } }public void delete(User persistentInstance) { log.debug("deleting User instance"); try { getHibernateTemplate().delete(persistentInstance); log.debug("delete successful"); } catch (RuntimeException re) { log.error("delete failed", re); throw re; } }public User findById(java.lang.Integer id) { log.debug("getting User instance with id: " + id); try { User instance = (User) getHibernateTemplate().get("com.wuwei.struts.dao.User", id); return instance; } catch (RuntimeException re) { log.error("get failed", re); throw re; } }public List findByExample(User instance) { log.debug("finding User instance by example"); try { List results = getHibernateTemplate().findByExample(instance); log.debug("find by example successful, result size: " + results.size()); return results; } catch (RuntimeException re) { log.error("find by example failed", re); throw re; } }public List findByProperty(String propertyName, Object value) { log.debug("finding User instance with property: " + propertyName + ", value: " + value); try { String queryString = "from User as model where model." + propertyName + "= ?"; return getHibernateTemplate().find(queryString, value); } catch (RuntimeException re) { log.error("find by property name failed", re); throw re; } }public List findByUsername(Object username) { return findByProperty(USERNAME, username); }public List findByPwd(Object pwd) { return findByProperty(PWD, pwd); }public List findAll() { log.debug("finding all User instances"); try { String queryString = "from User"; return getHibernateTemplate().find(queryString); } catch (RuntimeException re) { log.error("find all failed", re); throw re; } }public User merge(User detachedInstance) { log.debug("merging User instance"); try { User result = (User) getHibernateTemplate().merge(detachedInstance); log.debug("merge successful"); return result; } catch (RuntimeException re) { log.error("merge failed", re); throw re; } }public void attachDirty(User instance) { log.debug("attaching dirty User instance"); try { getHibernateTemplate().saveOrUpdate(instance); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } }public void attachClean(User instance) { log.debug("attaching clean User instance"); try { getHibernateTemplate().lock(instance, LockMode.NONE); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } }public static UserDAO getFromApplicationContext(ApplicationContext ctx) { return (UserDAO) ctx.getBean("UserDAO"); } }
/****************************************************ValidateUserAction.java****************************************************/ package com.wuwei.struts.action;import java.util.List; 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.wuwei.struts.bean.User; import com.wuwei.struts.dao.UserDAO; import com.wuwei.struts.form.UserForm;public class ValidateUserAction extends Action{ UserDAO userDAO = null; public void setUserDAO(UserDAO userDAO) { this.userDAO = userDAO; }public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { UserForm userForm = (UserForm) form; List list = userDAO.findByUsername(userForm.getUsername()); if (0 < list.size()) { User user = (User) list.get(0); if (user.getPwd().equals(userForm.getPwd())) return mapping.findForward("success"); else return mapping.findForward("fail"); } else return mapping.findForward("fail"); // System.out.println("I'm in a Action"); // return null; } } |