3种方法
1。构造器注入
public class xx {
private Manager manage;
public xx(Manager manage){
this.manage= manage;
}
}
2.setter 方法注入
public class xx {
private Manager manage;
public void setManager(Manager manage){
this.manage= manage;
}
}
3.接口注入
public interface Manager{
public void manage(Business business);
}
public class xx {
private Business business;
public void manage(Business business){
this.business = business;
}
}
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