依赖注入的三种方式;
一. 构造方法注入
private IService1 service;@Autowiredprivate IService0(IService1 service){ this.service = service;}
private IService1 service;
@Autowired
private IService0(IService1 service){
this.service = service;
}
二. set方法参数注入
@Autowired //setter方法注入 public void setIService1(IService1 service) { this.service = service; }
@Autowired //setter方法注入
public void setIService1(IService1 service) {
三. 接口注入
@Autowiredprivate IService1 service;
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