SampleController.java > SPRINGBOOT

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package web.controller;

import java.util.Arrays;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import org.springframework.stereotype.Controller;

import org.springframework.ui.Model;

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

import lombok.extern.log4j.Log4j2;

@Controller

@Log4j2

public class SampleController {

@GetMapping("/hello")

public void index(Model model) {

log.info("hello..................");

model.addAttribute("msg", "Hello 하이~");

List<String> list = Arrays.asList("aa","bb","cc","dd");

model.addAttribute("list", list);

}

class SampleDTO {

String id,pass,name;

public String getId() {

return id;

}

public String getPass() {

return pass;

}

public String getName() {

return name;

}

}

@GetMapping("/ex01")

public void ex01(Model model) {

log.info("ex01..................");

List<String> list = Arrays.asList("aa","bb","cc","dd");

SampleDTO dto = new SampleDTO();

dto.id = "abcd";

dto.pass = "1234";

dto.name = "홍길동";

Map<String, String> map = new HashMap<>();

map.put("A", "aaa");

map.put("B", "bbb");

model.addAttribute("list", list);

model.addAttribute("dto", dto);

model.addAttribute("map", map);

}

@GetMapping("/ex02")

public void ex02(Model model) {

model.addAttribute("arr", new String[] {"a","b","c"});

}

}