之前是先把struts2和spring集成了 然后把spring和hibernate集成了 大概知道怎么回事之后 今天终于搞定了
/** * @author jeedroid */ package com.jeedroid.dao; import com.jeedroid.model.User; public interface UserDao { public abstract boolean addUser(User user); }
package com.jeedroid.daoimpl; import org.hibernate.SessionFactory; import org.springframework.dao.DataAccessException; import org.springframework.orm.hibernate3.HibernateTemplate; import com.jeedroid.dao.UserDao; import com.jeedroid.model.User; public class UserDaoImpl implements UserDao { private SessionFactory sessionFactory; public void setSessionFactory(SessionFactory sessionFactory) { this.sessionFactory = sessionFactory; } @Override public boolean addUser(User user) { try { HibernateTemplate hibernateTemplate =new HibernateTemplate(sessionFactory); hibernateTemplate.saveOrUpdate(user); return true; } catch (DataAccessException e) { e.printStackTrace(); return false; } } }
/** * @author jeedroid */ package com.jeedroid.action; import com.jeedroid.daoimpl.UserDaoImpl; import com.jeedroid.model.User; import com.opensymphony.xwork2.ActionSupport; public class RegisterAction extends ActionSupport { private User user; private UserDaoImpl userDaoImpl; public User getUser() { return user; } public void setUser(User user) { this.user = user; } public void setUserDaoImpl(UserDaoImpl userDaoImpl) { this.userDaoImpl = userDaoImpl; } @Override public String execute() throws Exception { if(userDaoImpl.addUser(user)) return SUCCESS; else return INPUT; } }
<struts>
<constant name="struts.enable.DynamicMethodInvocation" value="false" />
<constant name="struts.devMode" value="true" />
<package name="struts2" extends="struts-default">
<action name="register" class="registerAction">
<result name="success">/success.jsp</result>
<result name="input">/register.jsp</result>
</action>
</package>
</struts>
applicationContext.xml:
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName">
<value>com.mysql.jdbc.Driver</value>
</property>
<property name="url">
<value>jdbc:mysql://localhost:3306/spring_hibernate</value>
</property>
<property name="username">
<value>root</value>
</property>
<property name="password">
<value>123321</value>
</property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref local="dataSource"/>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>com/jeedroid/model/User.hbm.xml</value>
</list>
</property>
</bean>
<bean id="userDaoImpl" class="com.jeedroid.daoimpl.UserDaoImpl">
<property name="sessionFactory">
<ref bean="sessionFactory"/>
</property>
</bean>
<bean id="registerAction" class="com.jeedroid.action.RegisterAction">
<property name="userDaoImpl">
<ref local="userDaoImpl"/>
</property>
</bean>
之前一直报attempt to create saveOrUpdate event with null entity这个错误,后来把User.java里的含参构造函数去掉就行了 应该是struts2传值过来时实例化的问题
只是一个简单的用户注册 没有加事务了什么的 看看就行了 呵呵