April 2016
Beginner to intermediate
389 pages
9h 8m
Korean
Content preview from 한 권으로 끝내는 Node & Express: 웹사이트 구축을 위한 서버 사이드 자바스크립트
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41
2
장
-
노드 시작하기
NOTE
_
이 예제의 라우팅은 매우 단순합니다.
http
://
localhost
:
3000
/
about
으로 이동하면
public
/
about
.
html
파일이 전송됩니다. 경로나 파일은 원하는 대로 바꿀 수 있습니다. 예를 들어 요일마다 다른 어바웃 페
이지를 표시하려면
public
/
about
_
mon
.
html
,
public
/
about
_
tue
.
html
등을 만들고, 사용자가
http
://
localhost
:
3000
/
about
으로 이동할 때 적절한 페이지를 전송하게끔 라우팅 프로그램을 만들 수 있습니다.
보조 함수
serveStaticFile
에서 필요한 작업을 대부분 수행합니다.
fs
.
readFile
은 파일
을 읽는 비동기적 메서드입니다. 동기적 버전인
fs
.
readFileSync
도 있지만, 생각을 비동기
적으로 바꾸는 것을 추천합니다. 빨리 바꿀수록 더 좋습니다. 이 함수의 내용은 단순합니다.
fs
.
readFile
을 호출해 파일 콘텐츠를 읽습니다.
fs
.
readFile
은 파일을 읽은 뒤 콜백 함수를
실행합니다. 파일이 존재하지 않거나 권한 문제 때문에 파일을 읽을 수 없다면
err
변수가 만
들어지며 함수는 서버 에러를 나타내는
HTTP
상태 코드
500
을 반환합니다. 파일을 성공적으
로 읽으면 지정한 응답 코드 및 콘텐츠 타입과 함께 파
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.