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  • spring ioc xml配置

    一个完整的spring xml配置:是把action,service,dao以及其它的资源性配置(如basedao)和公共性配置(如连接数据库)配置在resource.xml中,这样就有四个xml配置信息.

    案例:

    四个xml配置:

    applicationContext-action.xml:

    <?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"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.2.xsd" >
      <bean id="userAction" class="com.cdsxt.action.UserAction" scope="prototype" >
        <property name="userService" ref="userService" />
      </bean>
    </beans>

    applicationContext-service.xml:

    <?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"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.2.xsd" >
      <bean id="userService" class="com.cdsxt.service.impl.UserServiceImpl">
        <property name="userDao" ref="userDao" />
      </bean>
    </beans>

    applicationContext-dao.xml:

    <?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"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.2.xsd" >
      <bean id="userDao" class="com.cdsxt.dao.impl.UserDaoImpl" parent="baseDao" ></bean>
    </beans>

    applicationContext-resource.xml:

    <?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"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.2.xsd" >
      <bean id="baseDao" class="com.base.impl.BaseDaoImpl" lazy-init="true" ></bean>
    </beans>

    Base:

    public interface BaseDao<T> {

    }

    public class BaseDaoImpl<T> implements BaseDao<T> {
      private Class clazz;
      public BaseDaoImpl() {
        ParameterizedType type=(ParameterizedType) this.getClass().getGenericSuperclass();
        clazz = (Class) type.getActualTypeArguments()[0];
      }
      public Class getClazz() {
        return clazz;
      }
      public void setClazz(Class clazz) {
        this.clazz = clazz;
      }
    }

    Action:

    public class UserAction {
      private UserService userService;
      public void add(){
        System.out.println("=====UserAction=======");
        userService.add();
      }
      public UserService getUserService() {
        return userService;
      }
      public void setUserService(UserService userService) {
        this.userService = userService;
      }
      public static void main(String[] args) {
        String[] rs= new String[]{"applicationContext-action.xml","applicationContext-service.xml","applicationContext-dao.xml","applicationContext-  resource.xml"};
      ApplicationContext context = new ClassPathXmlApplicationContext(rs);
      UserAction u1 = (UserAction) context.getBean("userAction");
      u1.add();
      }
    }

    Service:

    public interface UserService {
      public void add();
    }

    public class UserServiceImpl implements UserService {
      private UserDao userDao;
      @Override
      public void add() {
        System.out.println("--------UserServiceImpl----------");
        userDao.add();
      }
      public UserDao getUserDao() {
        return userDao;
      }
      public void setUserDao(UserDao userDao) {
        this.userDao = userDao;
      }
    }

    Dao:

    public interface UserDao extends BaseDao<User>{
      public void add();
    }

    public class UserDaoImpl extends BaseDaoImpl<User> implements UserDao{
      @Override
      public void add() {
        System.out.println("=========UserDaoImpl========");
      }
    }

    po:

    public class User {

    }

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  • 原文地址:https://www.cnblogs.com/hwgok/p/5433638.html
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