工程报错No Session found for current thread。想自己写个通用dao,结果在getCurrentSession()的时候报错了。但是使用openSession()是正常的。
DAO层类
service类,需要注解@Transactional
org.mainstudio.com.dao处为你的dao包路径
<aop:config proxy-target-class="true">
<aop:advisor advice-ref="txAdvice"
pointcut="execution(* org.mainstudio.com.dao..*.*(..))" />
</aop:config>
整个配置文件代码如下:
<?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:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-4.2.xsd"
xmlns:tx="http://www.springframework.org/schema/tx">
<!--第一步 -->
<!--定义服务层代码存放的包扫描路径 -->
<context:component-scan
base-package="org.mainstudio.com.service,org.mainstudio.com.dao" />
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
<property name="url"
value="jdbc:mysql://localhost:3306/db_FLOWER?useUnicode=true&characterEncode=utf-8">
</property>
<property name="username" value="root"></property>
<property name="password" value="123456"></property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>org/mainstudio/com/entity/Admin.hbm.xml</value>
<value>org/mainstudio/com/entity/Users.hbm.xml</value>
<value>
org/mainstudio/com/entity/Ordersdetails.hbm.xml
</value>
<value>org/mainstudio/com/entity/Orders.hbm.xml</value>
<value>org/mainstudio/com/entity/Goods.hbm.xml</value>
<value>
org/mainstudio/com/entity/Category.hbm.xml
</value>
</list>
</property>
</bean>
<!-- User实体类Dao层 -->
<bean id="userDao" class="org.mainstudio.com.dao.UserDaoImpl">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
<!-- Goods实体类Dao层 -->
<bean id="goodsDao" class="org.mainstudio.com.dao.GoodsDaoImpl">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
<!-- Orders实体类Dao层 -->
<bean id="ordersDao" class="org.mainstudio.com.dao.OrdersDaoImpl">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
<!-- Orders实体类Dao层 -->
<bean id="ordersdetailsDao" class="org.mainstudio.com.dao.OrdersdetailsDaoImpl">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
<!-- Category实体类Dao层 -->
<bean id="categoryDao" class="org.mainstudio.com.dao.CategoryDaoImpl">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
<!-- Admin实体类Dao层 -->
<bean id="adminDao" class="org.mainstudio.com.dao.AdminDaoImpl">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<tx:annotation-driven transaction-manager="transactionManager" />
<!-- 配置事务异常封装 -->
<bean id="persistenceExceptionTranslationPostProcessor"
class="org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor" />
<!-- 声明式容器事务管理 ,transaction-manager指定事务管理器为transactionManager -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="add*" propagation="REQUIRED" />
<tx:method name="get*" propagation="REQUIRED" />
<tx:method name="*" propagation="REQUIRED" />
</tx:attributes>
</tx:advice>
<aop:config proxy-target-class="true">
<aop:advisor advice-ref="txAdvice"
pointcut="execution(* org.mainstudio.com.dao..*.*(..))" />
</aop:config>
</beans>
报错No Session found for current thread
原文:http://www.cnblogs.com/mainstudio/p/6343788.html