【spring】給component命名 & 設置scope

設置scope

@Component
@Scope(value = ConfigurableBeanFactory.SCOPE_SINGLETON)
public class UserService {
	private String userName;
	
	public String getUserName() {
      return userName;
   	}
   	
	public void setUserName(String userName) {
      this.userName = userName;
   	}
}

命名

@Component(value = "userService")
public class UserService {
	private String userName;
	
	public String getUserName() {
      return userName;
   	}
   	
	public void setUserName(String userName) {
      this.userName = userName;
   	}
}