Web/AppSpring

10.Spring. annotation의 활용

리턴 은 주로 String, ModelActivew, Object로 한다.
메소드 단독매핑

MainController.java
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package com.bigdata2017.springex.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class MainController {

	//	request mapping	(method 단독 매핑)
	//	접속시 MainController:main 출력됨
	@ResponseBody
	@RequestMapping("/main")
	public String main() {
		return "MainController:main";
	}


	@ResponseBody
	@RequestMapping("/main2/a/b/c")
	public String main2() {
		return sendMessage("main2");
	}

	private String sendMessage( String message) {
		return "MainController:"+message;
	}
}

타입+ 메소드 메핑

UserController.java
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package com.bigdata2017.springex.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

/* request mapping( type + method) */

@Controller
@RequestMapping("/user")
public class UserController {

	@ResponseBody
	@RequestMapping("/joinform")
	public String joinform() {
		return "UserController:joinfrom";

	}

	@ResponseBody
	@RequestMapping({"/join","/doJoin"})
	public String join() {
		return "UserController:join";

	}

	@ResponseBody
	@RequestMapping( value = "/loginform", method=RequestMethod.GET)
	public String loginform() {
		return "UserController:loginform";
	}


	@ResponseBody
	@RequestMapping( value = "/login", method=RequestMethod.GET)
	public String login() {
		return "UserController:login";
	}
}

타입단독 메핑

GuestbookController.java
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package com.bigdata2017.springex.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

//Request Mapping (type 단독 매핑)

@Controller
@RequestMapping("/guestbook/*")
public class GuestbookController {

	@ResponseBody
	@RequestMapping
	public String list() {
		return "GuestbookController:list";
	}

	@ResponseBody
	@RequestMapping
	public String insert() {
		return "GuestbookController:insert";
	}
}

정리

타입+메소드 매핑이 가장 많이 쓰인다.!

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