1 package SpringGenericDi;
2
3 import org.springframework.stereotype.Repository;
4
5
6 public class BaseRepository<T> {
7
8
9 }
1 package SpringGenericDi;
2
3 import org.springframework.beans.factory.annotation.Autowired;
4 import org.springframework.stereotype.Service;
5
6
7 public class BaseService<T> {
8 @Autowired
9 protected BaseRepository<T> repository;
10
11 public void add(){
12 System.out.println("BaseService add......");
13 System.out.println(repository);
14 }
15
16 }
package SpringGenericDi;
public class User {
}
1 package SpringGenericDi;
2
3 import org.springframework.stereotype.Repository;
4
5 @Repository
6 public class UserRepository extends BaseRepository<User> {
7 }
1 package SpringGenericDi;
2
3 import org.springframework.stereotype.Service;
4
5 @Service
6 public class UserService extends BaseService<User> {
7 }
package SpringGenericDi;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class Main {
public static void main(String[] args) {
ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext("SpringGenericDi/beans-genericDi.xml");
UserService userService = (UserService) ctx.getBean("userService");
userService.add();
}
}
1 <?xml version="1.0" encoding="UTF-8"?>
2 <beans xmlns="http://www.springframework.org/schema/beans"
3 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4 xmlns:context="http://www.springframework.org/schema/context"
5 xsi:schemaLocation="http://www.springframework.org/schema/beans
6 http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
7 http://www.springframework.org/schema/context
8 http://www.springframework.org/schema/context/spring-context-4.2.xsd">
9
10 <context:component-scan base-package="SpringGenericDi"></context:component-scan>
11
12 </beans>
