我的英语很差,所以我只能描述一下esayliy.it的问题。当我使用spring注释来推动mvc项目时,我发生了这样的事情。我准备好了解答。
的web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
<display-name>SpringMvcDemo</display-name>
<welcome-file-list>
<welcome-file>NewFile.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>mvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>mvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>`
MVC-servlet.xml中
<?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"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd"
>
<context:component-scan base-package="/"></context:component-scan>
<!-- 配置 Hibernate -->
<bean id="myDataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/test"/>
<property name="username" value="root"/>
<property name="password" value="root"/>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="myDataSource"/>
<property name="annotatedClasses">
<list>
<value>pojo.Contact</value>
</list>
</property>
<property name="hibernateProperties">
<value>
hibernate.dialect=org.hibernate.dialect.MySQLDialect
show_sql=true
</value>
</property>
</bean>
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
</bean>
<!-- 支持事务注解功能 -->
<tx:annotation-driven/>
<!-- 配置事务 -->
<bean id="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
</beans>
controller.class
@Controller("contactController")
@RequestMapping(value="/contact")
public class ContactController {
@Autowired
private ContactServiceDao contactservice;
@RequestMapping(value="/list")
public String listContacts(@ModelAttribute("contact")Contact contact,Model model)
{
Contact contact2=new Contact();
contact2.setPassword("123");contact2.setUsername("sc");
System.out.println(contact.getPassword());
List<Contact> contacts=contactservice.findContacts();
if(contact2.getPassword().equals(contact.getPassword())&&contact2.getUsername().equals(contact.getUsername()))
{
return "success";
}
return "false";
}
}
**
道
**
@Repository("contactdao")
public class ContactImpl implements ContactDao {
@Autowired
private SessionFactory sessionFactory;
@Override
@Transactional
public List<Contact> findContacts() {
return (List<Contact>)sessionFactory.getCurrentSession().createQuery("from contact").list();
}
}
**
服务
**
@Service("contactservice")
@Transactional
public class ContactServiceImpl implements ContactServiceDao{
@Autowired
private ContactDao contactdao;
@Transactional(propagation=Propagation.REQUIRED,isolation=Isolation.SERIALIZABLE)
@Override
public List<Contact> findContacts() {
return contactdao.findContacts();
}
}