您的位置:首页 > 编程语言 > Java开发

Spring泛型依赖注入

2017-02-28 23:22 225 查看
1、定义基础仓库

package com.spring.generic.di;

public class BaseRepository<T> {

}


2、定义基础服务层

package com.spring.generic.di;

import org.springframework.beans.factory.annotation.Autowired;

public class BaseService<T> {

@Autowired
protected BaseRepository<T> repository;

public void add(){
System.out.println("add...");
System.out.println(repository);
}
}


3、定义User服务层

package com.spring.generic.di;

import org.springframework.stereotype.Service;

@Service
public class UserService extends BaseService<User>{

}


4、定义仓库服务层

package com.spring.generic.di;

import org.springframework.stereotype.Repository;

@Repository
public class UserRepository extends BaseRepository<User>{

}


5、测试类

package com.spring.generic.di;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class Main {
public static void main(String[] args) {
ApplicationContext ctx = new ClassPathXmlApplicationContext("bean-generic.xml");

UserService userService = (UserService)ctx.getBean("userService");
userService.add();
}
}


内容来自用户分享和网络整理,不保证内容的准确性,如有侵权内容,可联系管理员处理 点击这里给我发消息
标签: