@Service @Autowired 어노테이션, ModelAndView_sts

  @Service 

해당 클래스를 루트 컨테이너에 Bean 객체로 생성해주는 어노테이션

패키지	ksmart.hellospringboot.service
클래스	KsmartService

package ksmart.hellospringboot.service;

import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.GetMapping;

@Service
public class KsmartService {
	@GetMapping("/ksmartView")
	public String ksmart(String level) {
		String result="";
		
		if(level !=null && level.equals("관리자")) {
			result="한국스마트정보교육원42기 김문영";
		}else {
			result="관리자아님";
		}
		return result;
	}
}

---

package ksmart.hellospringboot.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;

import ksmart.hellospringboot.service.KsmartService;

@Controller
public class KsmartController {
	@GetMapping("/ksmartView")
	public String ksmartView(Model model) {
		KsmartService service=new KsmartService();
		String result = service.ksmart("관리자");
		model.addAttribute("view",result);
		return "/view";
	}
}

package ksmart.hellospringboot.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;

import ksmart.hellospringboot.service.KsmartService;

@Controller
public class KsmartController {
	@GetMapping("/ksmartView")
	public String ksmartView(Model model) {
		KsmartService service=new KsmartService();
		String result = service.ksmart("관리자아님");
		model.addAttribute("view",result);
		return "/view";
	}
}

 

  @Autowired 

↓

  ModelAndView 

↓