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[양동선] 3주차 과제 -complete
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# Spring 과제 | ||
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## 과정 1 : 인텔리제이 설치 및 jdk 17 설치, spring initializer를 이용하여 프로젝트 다운 | ||
- https://gymdev.tistory.com/72를 참고하여 환경변수 설정함. | ||
#### 난관 : JAVAVIRTUALMACHINE 폴더에 jdk폴더를 넣고 싶어서 맥의 '폴더로 이동'기능을 사용! | ||
- https://support.apple.com/ko-kr/guide/mac-help/mchlp1236/mac | ||
- 이런 것도 있구나. 맥이란 해도해도 신기해요! 언제쯤 맥OS를 점령할지... | ||
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## 과정 2 : 코드 작성 | ||
### 난관 1 : symbol not find 문제 | ||
--> 필요한 라이브러리를 import했더니 'web'이라는 symbol를 찾지 못했다고 뜬다. | ||
==> 해결 : https://www.goodsource.co.kr/125 참고 | ||
- build.grandle의 | ||
implementation 'org.springframework.boot:spring-boot-starter'를 | ||
implementation 'org.springframework.boot:spring-boot-starter-web'으로 수정하고 빌딩하고 실행! | ||
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### 난관 2 : java: cannot find symbol | ||
이번엔 email symbol을 찾지 못하고 에러를 낸다. | ||
<img width="611" alt="스크린샷 2023-11-03 오후 11 37 56" src="https://github.com/GDSC-Ewha-5th/GDSC-Server-5th/assets/78548833/9c0bde23-b9b8-48a5-986f-71382695d518"> | ||
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==> 해결 : 당연함... 내가 email 선언 안해줌... String email을 추가해줬다! ㅎㅎ | ||
해결~ | ||
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### 난관 3 : localhost:8080 을 실행했으나 메인 페이지가 나타나지 않았다. | ||
<img width="631" alt="스크린샷 2023-11-03 오후 11 44 20" src="https://github.com/GDSC-Ewha-5th/GDSC-Server-5th/assets/78548833/23b76048-ced5-4ea0-8ed9-d41077fcc3ce"> | ||
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- 참고 : https://devmango.tistory.com/97 | ||
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- 해결 과정 :난관4 & 난관5 | ||
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### 난관 4 : 분명 환경변수 설정을 다 해줬었는데 $java --version 을 해보니 jdk 21버전으로 뜬다. | ||
- 해결: jdk 21 버전을 삭제해줬다! | ||
- 삭제하지 않고 default jdk를 17로 바꿀 수는 없을까 해서 vim ~/.zshrc으로 zshrc 한 번 건드렸다가 터미널이 고장나길래 취소! | ||
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<img width="267" alt="스크린샷 2023-11-07 오후 2 34 55" src="https://github.com/GDSC-Ewha-5th/GDSC-Server-5th/assets/78548833/67193252-10c5-432f-8bb6-03341118f354"> | ||
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``` | ||
$ sudo rm -rf temurin-21.jdk | ||
``` | ||
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-참고 : https://ifuwanna.tistory.com/247 | ||
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### 난관 5 : 갑자기 application이 안돌아간다! 8080포트가 이미 사용 중.. | ||
<img width="950" alt="스크린샷 2023-11-07 오후 2 36 10" src="https://github.com/GDSC-Ewha-5th/GDSC-Server-5th/assets/78548833/d48b3ebf-fdef-4181-b772-13bc494de8d3"> | ||
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오케이 해결해주마 | ||
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<img width="365" alt="스크린샷 2023-11-07 오후 2 41 51" src="https://github.com/GDSC-Ewha-5th/GDSC-Server-5th/assets/78548833/008f452b-6e20-4c14-a801-223195ab64d7"> | ||
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- 8080포트를 죽여준다~ 해결! | ||
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<img width="611" alt="스크린샷 2023-11-07 오후 2 42 37" src="https://github.com/GDSC-Ewha-5th/GDSC-Server-5th/assets/78548833/c4440123-f27b-4eb4-8b44-b0e93f73da95"> | ||
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드디어 되는구나~~ʕ”̮ॽु⋆⁺₊⋆ ♡̷̷̷ | ||
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--- | ||
SampleController.java 소스 코드 : | ||
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``` | ||
package mvcstudy.mvcstudy.controller; | ||
import org.springframework.stereotype.Controller; | ||
import org.springframework.ui.Model; | ||
import org.springframework.web.bind.annotation.GetMapping; | ||
import org.springframework.web.bind.annotation.RequestParam; | ||
@Controller | ||
public class SampleController { | ||
@GetMapping("/") | ||
public String sample(Model model) { | ||
model.addAttribute("description", | ||
"메인 페이지 입니다."); | ||
return "index"; | ||
} | ||
@GetMapping("/members") | ||
public String members(Model model) { | ||
model.addAttribute("member1", "Yang"); | ||
model.addAttribute("member2", "Dong"); | ||
model.addAttribute("member3", "Seon"); | ||
return "members"; | ||
} | ||
@GetMapping("/members/new") | ||
public String showNewMember(@RequestParam(name= | ||
"name", defaultValue = "Guest")String name, String email, | ||
Model model){ | ||
model.addAttribute("name", name); | ||
model.addAttribute("email", email); | ||
return "newMember"; | ||
} | ||
} | ||
``` | ||
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<img width="1384" alt="스크린샷 2023-11-04 오전 12 13 34" src="https://github.com/GDSC-Ewha-5th/GDSC-Server-5th/assets/78548833/7f5297bd-88b2-48e6-ad62-58bfd13296b9"> | ||
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package mvcstudy.mvcstudy; | ||
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import org.junit.jupiter.api.Test; | ||
import org.springframework.boot.test.context.SpringBootTest; | ||
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@SpringBootTest | ||
class MvcStudyApplicationTests { | ||
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@Test | ||
void contextLoads() { | ||
} | ||
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} |