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TIL
  • README
  • Git
    • Basic
    • Remote Repository
    • Log & Diff
    • Rebase&Cherri-Pick
    • git-flow
  • DevOps
    • Monolithic vs MSA
    • Jenkins ์‹œ์ž‘ํ•˜๊ธฐ
    • Airflow ์‹œ์ž‘ํ•˜๊ธฐ
    • Airflow ์‹œ์ž‘ํ•˜๊ธฐ
    • Build Tools
      • maven
  • ๊ฐœ๋ฐœ ๋ฐฉ๋ฒ•๋ก 
    • TDD
  • Spring
    • IoC
    • Is Spring Bean Thread-Safe?
    • Spring Singleton
    • Component Scan
    • Spring Annotation
    • ์˜์กด ๊ด€๊ณ„ ์ฃผ์ž…(DI)
    • Lombok ํ™œ์šฉํ•˜๊ธฐ
    • Bean ์ƒ๋ช…์ฃผ๊ธฐ์™€ ์ฝœ๋ฐฑ
    • Bean Scope
    • AOP(1) - AOP๋ž€
    • AOP(2) - Aop Proxy
    • AOP(3) - Dynamic Proxy
    • AOP(4) - AspectJ
    • POJO
    • Spring ์„œ๋น„์Šค ๊ตฌ์กฐ
    • Transaction
    • JPA๋ž€?
    • JPA Entity
    • Spring Data JPA
    • Spring Data Specification
    • Model Mapping
    • Cache
    • restTemplate
    • YAML ํŒŒ์ผ ์„ค์ •
    • Spring Boot
      • H2 DB ์„ค์ •
      • ๋‹ค์ค‘ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์„ค์ •
      • Mybatis ์—ฐ๋™ํ•˜๊ธฐ
    • Spring Batch
      • Batch ์‹œ์ž‘ํ•ด๋ณด๊ธฐ
      • Batch Job Flow
      • Job
      • Step
      • Batch Scope & Job Parameter
      • JobRepository์™€ ๋ฉ”ํƒ€ํ…Œ์ด๋ธ”
      • Chunk ์ง€ํ–ฅ ํ”„๋กœ๊ทธ๋ž˜๋ฐ
      • ItemReader
      • ItemProcessor
      • ItemWriter
      • Batch Schedular
      • Job๋ณ„ Bean๋“ฑ๋กํ•˜๊ธฐ
      • Batch ๊ตฌํ˜„์‹œ ๋ฐœ์ƒํ•œ ์˜ค๋ฅ˜ ์ •๋ฆฌ
      • Spring Batch Scaling
        • Multithread Job๊ตฌํ˜„์‹œ ์ด์Šˆ์‚ฌํ•ญ
    • Spring test
      • Junit5
        • ํ…Œ์ŠคํŠธ ์ด๋ฆ„ ํ‘œ๊ธฐ
        • ํ…Œ์ŠคํŠธ ๊ทธ๋ฃน ์‚ฌ์ด์˜ ๊ด€๊ณ„
        • ํƒœ๊ทธ์™€ ํ•„ํ„ฐ๋ง
        • ๋™์  ํ…Œ์ŠคํŠธ
        • ํ…Œ์ŠคํŠธ LifeCycle
        • ํ…Œ์ŠคํŠธ ๋ฉ”์„œ๋“œ
        • ํ…Œ์ŠคํŠธ ์ˆœ์„œ
        • AssertJ
        • ํ…Œ์ŠคํŠธ ๋ณ‘๋ ฌ ์‹คํ–‰
        • AssertJ
        • Mock
      • Spring Boot Test DB ๋ถ„๋ฆฌ
      • Spring Batch Test
  • Web Application
    • Web Server & WAS
    • ๊ด€๋ จ ๊ฐœ๋… - HTTP API, HTML, CSR, SSR
    • Servlet
    • JSP
    • Cookie And Session
    • ์˜ˆ์™ธํŽ˜์ด์ง€
    • Java Bean
    • JDBC
    • Connection Pool
    • ํŒŒ์ผ ์—…๋กœ๋“œ
    • Expression Language
    • JSTL
    • FrontControllerํŒจํ„ด Command ํŒจํ„ด
    • Forwarding
    • MVC
    • ํšŒ์›๊ฐ€์ž…์˜ˆ์ œ
    • ์ฐธ๊ณ 
      • ๊ฐœ๋ฐœํ™˜๊ฒฝ์„ค์ •
  • Java+
    • SOAP/WSDL vs REST
    • WSDL์„ JAVA๋กœ ๋ณ€ํ™˜ํ•˜๊ธฐ
    • SOAP ํ†ต์‹  OPEN API๋กœ ๊ฐœ๋ฐœํ•ด๋ณด๊ธฐ
  • Java
    • Basic
      • ๋ณ€์ˆ˜์™€ ํƒ€์ž…
      • ์—ฐ์‚ฐ์ž
      • ์กฐ๊ฑด๋ฌธ๊ณผ ๋ฐ˜๋ณต๋ฌธ
      • ์ฐธ์กฐ ํƒ€์ž…
      • ํด๋ž˜์Šค
      • ์ƒ์†(Inheritance)
      • ์ธํ„ฐํŽ˜์ด์Šค(Interface)
      • ์ค‘์ฒฉ ํด๋ž˜์Šค์™€ ์ค‘์ฒฉ ์ธํ„ฐํŽ˜์ด์Šค
      • ์˜ˆ์™ธ ์ฒ˜๋ฆฌ
      • API - Object, System, Class, Math, Wrapper
      • API - String, StringBuffer, StringBuilder
      • Thread
      • Generic
      • Lambda
      • Collection - List, Set
      • Collection - Map
      • Collection - Tree
      • Collection - Stack, Queue
      • Stream
      • Reflection
      • ์ •๊ทœํ‘œํ˜„์‹
      • GUI
      • UML
      • Serializable
    • Advanced
      • OutOfMemoryError
      • AutoValue
      • meta-annotation
        • @Retention
        • @Target
        • @Repeatable
    • Effective Java 3/E
      • ITEM 1: Static Factory Method(์ •์  ๋ฉ”์†Œ๋“œ)
      • ITEM 2: Builder Pattern
      • ITEM 3: Singleton
      • ITEM 4: Private Constructor
      • ITEM 5: Dependency Injection
      • ITEM 6: Avoid Unnecessary Object
      • ITEM 7: Eliminate Object Reference
      • ITEM 8: Avoid finalizer and cleaner
      • ITEM 9: try-with-resources
      • ITEM 10: The gerneral contract when overriding equlas
      • ITEM 11: Overriding hashCode
      • ITEM 12: overriding toString
      • ITEM 13: overriding clone judiciously
      • ITEM 14: Consider implementing comparable
      • ITEM 15: ํด๋ž˜์Šค์™€ ๋ฉค๋ฒ„์˜ ์ ‘๊ทผ์„ ์ตœ์†Œํ™”ํ•ด๋ผ
      • ITEM 16: Use Accessor methods
      • ITEM 17: ๋ณ€๊ฒฝ ๊ฐ€๋Šฅ์„ฑ์„ ์ตœ์†Œํ™”ํ•ด๋ผ(๋ถˆ๋ณ€ ํด๋ž˜์Šค)
      • ITEM 18: ์ƒ์†๋ณด๋‹จ ์ปดํฌ์ง€์…˜์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 19: ์ƒ์†์„ ๊ณ ๋ คํ•ด ์„ค๊ณ„ํ•˜๊ณ  ๋ฌธ์„œํ™”ํ•ด๋ผ
      • ITEM 20: ์ถ”์ƒ ํด๋ž˜์Šค๋ณด๋‹ค ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์šฐ์„ ํ•˜๋ผ
      • ITEM 21: ์ธํ„ฐํŽ˜์ด์Šค๋Š” ๊ตฌํ˜„ํ•˜๋Š” ์ชฝ์„ ์ƒ๊ฐํ•ด ์„ค๊ณ„ํ•ด๋ผ.
      • ITEM 22: ์ธํ„ฐํŽ˜์ด์Šค๋Š” ํƒ€์ž…์„ ์ •์˜ํ•˜๋Š” ์šฉ๋„๋กœ๋งŒ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 23: ํƒœ๊ทธ ๋‹ฌ๋ฆฐ ํด๋ž˜์Šค๋ณด๋‹ค ํด๋ž˜์Šค ๊ณ„์ธต๊ตฌ์กฐ๋ฅผ ํ™œ์šฉํ•ด๋ผ
      • ITEM 24: ๋ฉค๋ฒ„ ํด๋ž˜์Šค๋Š” ๋˜๋„๋ก static์œผ๋กœ ๊ตฌํ˜„ํ•ด๋ผ
      • ITEM 25: ํ†ฑ๋ ˆ๋ฒจ ํด๋ž˜์Šค๋Š” ํ•œ ํŒŒ์ผ์— ํ•˜๋‚˜๋งŒ ์ƒ์„ฑํ•ด๋ผ.
      • ITEM 26: Raw type์€ ์‚ฌ์šฉํ•˜์ง€ ๋งˆ๋ผ
      • ITEM 27: ๋น„๊ฒ€์‚ฌ ๊ฒฝ๊ณ ๋ฅผ ์ œ๊ฑฐํ•ด๋ผ
      • ITEM 28: ๋ฐฐ์—ด๋ณด๋‹ค๋Š” ๋ฆฌ์ŠคํŠธ๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 29: ์ด์™•์ด๋ฉด ์ œ๋„ค๋ฆญ ํƒ€์ž…์œผ๋กœ ๋งŒ๋“ค์–ด๋ผ
      • ITEM 30: ์ด์™•์ด๋ฉด ์ œ๋„ค๋ฆญ ๋ฉ”์„œ๋“œ๋กœ ๋งŒ๋“ค์–ด๋ผ
      • ITEM 31 : ํ•œ์ •์  ์™€์ผ๋“œ์นด๋“œ๋ฅผ ์‚ฌ์šฉํ•ด API ์œ ์—ฐ์„ฑ์„ ๋†’์—ฌ๋ผ
      • ITEM 32: ์ œ๋„ค๋ฆญ๊ณผ ๊ฐ€๋ณ€์ธ์ˆ˜๋ฅผ ํ•จ๊ป˜ ์“ธ ๋•Œ๋Š” ์‹ ์ค‘ํ•ด๋ผ
      • ITEM 33: ํƒ€์ž… ์•ˆ์ „ ์ด์ข… ์ปจํ…Œ์ด๋„ˆ๋ฅผ ๊ณ ๋ คํ•ด๋ผ
      • ITEM 34: int ์ƒ์ˆ˜ ๋Œ€์‹  ์—ด๊ฑฐ ํƒ€์ž…์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 35: ordinal ๋ฉ”์„œ๋“œ ๋Œ€์‹  ์ธ์Šคํ„ด์Šค ํ•„๋“œ๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 36: ๋น„ํŠธ ํ•„๋“œ ๋Œ€์‹  EnumSet์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 37: ordinal ์ธ๋ฑ์‹ฑ ๋Œ€์‹  EnumMap์„ ์‚ฌ์šฉํ•ด๋ผ
      • TEM 38 : ํ™•์žฅํ•  ์ˆ˜ ์žˆ๋Š” ์—ด๊ฑฐํƒ€์ž…์ด ํ•„์š”ํ•˜๋ฉด ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 39: ๋ช…๋ช… ํŒจํ„ด๋ณด๋‹ค ์• ๋„ˆํ…Œ์ด์…˜์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 40: @Override ์–ด๋…ธํ…Œ์ด์…˜์„ ์ผ๊ด€๋˜๊ฒŒ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 41: ์ •์˜ํ•˜๋ ค๋Š” ๊ฒƒ์ด ํƒ€์ž…์ด๋ผ๋ฉด ๋งˆ์ปค ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 42: ์ต๋ช… ํด๋ž˜์Šค๋ณด๋‹ค๋Š” ๋žŒ๋‹ค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 43: ๋žŒ๋‹ค๋ณด๋‹ค๋Š” ๋ฉ”์„œ๋“œ ์ฐธ์กฐ๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 44: ํ‘œ์ค€ ํ•จ์ˆ˜ํ˜• ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 45: ์ŠคํŠธ๋ฆผ์€ ์ฃผ์˜ํ•ด์„œ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 46: ์ŠคํŠธ๋ฆผ์—์„œ ๋ถ€์ž‘์šฉ ์—†๋Š” ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 47: ๋ฐ˜ํ™˜ ํƒ€์ž…์œผ๋กœ๋Š” ์ŠคํŠธ๋ฆผ๋ณด๋‹ค ์ปฌ๋ ‰์…˜์ด ๋‚ซ๋‹ค.
      • ITEM 48: ์ŠคํŠธ๋ฆผ ๋ณ‘๋ ฌํ™”๋Š” ์ฃผ์˜ํ•ด์„œ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 49: ๋งค๊ฐœ๋ณ€์ˆ˜๊ฐ€ ์œ ํšจํ•œ์ง€ ๊ฒ€์‚ฌํ•ด๋ผ
      • ITEM 50: ์ ์‹œ์— ๋ฐฉ์–ด์  ๋ณต์‚ฌ๋ณธ์„ ๋งŒ๋“ค์–ด๋ผ
      • ITEM 51: ๋ฉ”์„œ๋“œ ์‹œ๊ทธ๋‹ˆ์ฒ˜๋ฅผ ์‹ ์ค‘ํžˆ ์„ค๊ณ„ํ•ด๋ผ
      • ITEM 52: ๋‹ค์ค‘์ •์˜๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 53: ๊ฐ€๋ณ€์ธ์ˆ˜๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 54: null์ด ์•„๋‹Œ, ๋นˆ ์ปฌ๋ ‰์…˜์ด๋‚˜ ๋ฐฐ์—ด์„ ๋ฐ˜ํ™˜ํ•ด๋ผ
      • ITEM 55: Optional ๋ฐ˜ํ™˜์€ ์‹ ์ค‘ํ•˜๊ฒŒ ํ•ด๋ผ
      • ITEM 56: ๊ณต๊ฐœ๋œ API ์š”์†Œ์—๋Š” ํ•ญ์ƒ ์ฃผ์„์„ ์ž‘์„ฑํ•ด๋ผ
      • ITEM 57: ์ง€์—ญ๋ณ€์ˆ˜์˜ ๋ฒ”์œ„๋ฅผ ์ตœ์†Œํ™”ํ•ด๋ผ
      • ITEM 58: ์ „ํ†ต์ ์ธ for ๋ฌธ๋ณด๋‹ค๋Š” for-each๋ฌธ์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 59: ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ์ตํžˆ๊ณ  ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 60: ์ •ํ™•ํ•œ ๋‹ต์ด ํ•„์š”ํ•˜๋‹ค๋ฉด float์™€ double์€ ํ”ผํ•ด๋ผ
      • ITEM 61: ๋ฐ•์‹ฑ๋œ ๊ธฐ๋ณธ ํƒ€์ž…๋ณด๋‹ค๋Š” ๊ธฐ๋ณธ ํƒ€์ž…์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 62: ๋‹ค๋ฅธ ํƒ€์ž…์ด ์ ์ ˆํ•˜๋‹ค๋ฉด ๋ฌธ์ž์—ด ์‚ฌ์šฉ์„ ํ”ผํ•ด๋ผ
      • ITEM 63: ๋ฌธ์ž์—ด ์—ฐ๊ฒฐ์€ ๋А๋ฆฌ๋‹ˆ ์ฃผ์˜ํ•ด๋ผ
      • ITEM 64: ๊ฐ์ฒด๋Š” ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด ์ฐธ์กฐํ•ด๋ผ
      • ITEM 65: ๋ฆฌํ”Œ๋ ‰์…˜๋ณด๋‹ค๋Š” ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 66: ๋„ค์ดํ‹ฐ๋ธŒ ๋ฉ”์„œ๋“œ๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 67: ์ตœ์ ํ™”๋Š” ์‹ ์ค‘ํžˆ ํ•ด๋ผ
      • ITEM 68: ์ผ๋ฐ˜์ ์œผ๋กœ ํ†ต์šฉ๋˜๋Š” ๋ช…๋ช… ๊ทœ์น™์„ ๋”ฐ๋ผ๋ผ
    • ๊ฐ์ฒด์ง€ํ–ฅ ์„ค๊ณ„ ์›์น™(SOLID)
    • ๋””์ž์ธํŒจํ„ด
      • Strategy Pattern
      • Template Method Pattern
      • Factory Method Pattern
      • Singleton
      • Delegation
      • Proxy
      • Adapter Pattern
    • ์‹ค์Šต
      • ์ธํ„ฐํŽ˜์ด์Šค ์‹ค์Šต - Vehicle
      • ์ธํ„ฐํŽ˜์ด์Šค ์‹ค์Šต - Remote
      • GUI ์‹ค์Šต - Calculator
      • GUI ์‹ค์Šต - button
      • GUI ์‹ค์Šต - lotto
      • Thread ์‹ค์Šต - ์ขŒ์„์˜ˆ์•ฝ, ๋ฉ”์„ธ์ง€๋ณด๋‚ด๊ธฐ
    • Jar vs War
  • ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค
    • KEY
    • Index
    • Transaction
    • Trigger
    • Procedure / Function
    • Package
    • ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ๋ฐฐ์›€ํ„ฐ
      • ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์‹œ์Šคํ…œ
      • ๊ด€๊ณ„๋ฐ์ดํ„ฐ ๋ชจ๋ธ
      • ๊ด€๊ณ„๋Œ€์ˆ˜์™€ SQL
    • MySQL
      • Database๋ž€
      • MySQL ์‹œ์ž‘ํ•˜๊ธฐ
      • MySQL Database
      • MySQL Table
      • CRUD
      • ๊ด€๊ณ„ํ˜• ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค
      • Server์™€ Client
    • PostgreSQL
    • NoSQL
      • Install Cassandra on mac
      • Cassandra๋ž€?
      • NiFi๋ž€
  • Algorithm
    • String
    • Recursion
    • Dynamic Programming
    • Array, Struct, Pointer
    • Math
    • Sort
    • List
    • Stack
    • Queue
    • Graph
    • Tree
    • Maze
    • AVL
    • ์ด์ง„ํƒ์ƒ‰ํŠธ๋ฆฌ(Binary Search Tree)
    • DFS์™€ BFS
    • ๋‹ค์ต์ŠคํŠธ๋ผ ์•Œ๊ณ ๋ฆฌ์ฆ˜(Dijkstra's Algorithm)
    • Red-Black ํŠธ๋ฆฌ
    • A* ์•Œ๊ณ ๋ฆฌ์ฆ˜
    • Heap
    • Huffman Coding
    • Priority Queue
    • Bellman-Ford ์•Œ๊ณ ๋ฆฌ์ฆ˜
    • C++
      • Class
      • STL
        • STL pair
        • STL Container - Associate Container
        • STL Container - Sequence Container
        • STL Container - Container Adapter
  • JavaScript
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  • Class-based View
  • Class-Based View ์‚ฌ์šฉ ๊ฐ€์ด๋“œ๋ผ์ธ
  • Generic Views
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  1. Django
  2. Advanced

Django Generic View

์•ž์„  ํŠœํ† ๋ฆฌ์–ผ์—์„œ๋Š” HttpResonse, render๋ฅผ ์ด์šฉํ•˜์—ฌ ํ•จ์ˆ˜ํ˜• ๋ทฐ(Function-Based View) ๋ฅผ ๊ตฌํ˜„ํ–ˆ๋‹ค. ํ•˜์ง€๋งŒ ๊ทธ ๊ณผ์ •์—์„œ ์ฝ”๋“œ๊ฐ€ ๋ฐ˜๋ณต๋˜๊ณ , ๊ตฌํ˜„์ด ๋ณต์žกํ•ด์ง€๋Š” ๊ฒƒ์„ ๋ณผ ์ˆ˜ ์žˆ์—ˆ๋‹ค. ํด๋ž˜์Šค ๋ทฐ(Class-Based View)๊ฐ€ ํ•จ์ˆ˜ํ˜• ๋ทฐ์™€ ๋‹ฌ๋ฆฌ ์–ด๋–ป๊ฒŒ ๊ตฌํ˜„๋˜๊ณ , ์–ด๋–ค ์žฅ์ ์ด ์žˆ๋Š”์ง€ ์‚ดํŽด ๋ณผ ๊ฒƒ์ด๋‹ค.

Function-Based View

def index(request):
    latest_question_list = Question.objects.order_by('-pub_date')[:5]
    template = loader.get_template('polls/index.html')

    context = {
        'latest_question_list': latest_question_list,
    }

    return HttpResponse(template.render(context, request))

๊ฐ€์žฅ ๊ธฐ์ดˆ์ ์ธ ๊ตฌํ˜„ ๋ฐฉ๋ฒ•์ด๋‹ค.

from django.shortcuts import render

def index(request):
    latest_question_list = Question.objects.order_by('-pub_date')[:5]

    context = {
        'lastest_question_list': latest_question_list,
    }

    return render(request, 'polls/index.html', context)

render ๋ฅผ ์ด์šฉํ•˜์—ฌ ๊ตฌํ˜„ํ•œ ๋ฐฉ๋ฒ•์ด๋‹ค. ์œ„์˜ ๊ตฌํ˜„ ๋ฐฉ๋ฒ•๋ณด๋‹ค๋Š” ๋” ๊ฐ„๋‹จํ•ด์ง€๋Š” ๊ฒƒ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋‹ค. template ์ฝ”๋“œ ๋ถ€๋ถ„์ด ์—†์–ด์ง€๊ณ , render๋กœ ๋ฐ”๋กœ ์ „๋‹ฌํ•˜๋Š” ๊ฒƒ์„ ๋ณผ ์ˆ˜ ์žˆ๋‹ค.

Class-based View

Class-Based View ์‚ฌ์šฉ ๊ฐ€์ด๋“œ๋ผ์ธ

  • ๋ทฐ๋Š” ๊ฐ„๋‹จ ๋ช…๋ฃŒํ•ด์•ผ ํ•œ๋‹ค.

  • ๋ทฐ ์ฝ”๋“œ์˜ ์–‘์€ ์ ์œผ๋ฉด ์ ์„์ˆ˜๋ก ์ข‹๋‹ค.

  • ๋ทฐ ์•ˆ์—์„œ ๊ฐ™์€ ์ฝ”๋“œ๋ฅผ ๋ฐ˜๋ณต์ ์œผ๋กœ ์‚ฌ์šฉํ•˜์ง€ ์•Š๋Š”๋‹ค.

  • ๋ทฐ๋Š” ํ”„๋ ˆ์  ํ…Œ์ด์…˜ ๋กœ์ง์—์„œ ๊ด€๋ฆฌํ•˜๊ณ  ๋น„์ฆˆ๋‹ˆ์Šค ๋กœ์ง์€ ๋ชจ๋ธ์—์„œ ์ฒ˜๋ฆฌํ•œ๋‹ค. ๋งค์šฐ ํŠน๋ณ„ํ•œ ๊ฒฝ์šฐ์—๋งŒ ํผ์—์„œ ์ฒ˜๋ฆฌํ•œ๋‹ค.

  • 403, 404, 500 ์—๋Ÿฌ ํ•ธ๋“ค๋ง์—๋Š” CBV๋ฅผ ์ด์šฉํ•˜์ง€ ์•Š๊ณ  FBV๋ฅผ ์ด์šฉํ•œ๋‹ค.

  • ๋ฏน์Šค์ธ์€ ๊ฐ„๋‹จ๋ช…๋ฃŒํ•ด์•ผ ํ•œ๋‹ค.

Generic Views

์œ„์˜ ํ•จ์ˆ˜ํ˜• ๋ทฐ์—์„œ ๋ฐ˜๋ณต๋˜๋Š” ๋ถ€๋ถ„์„ ํŒจํ„ดํ™”ํ•˜์—ฌ์„œ ์‚ฌ์šฉํ•˜๊ธฐ ์‰ฝ๊ฒŒ ์ถ”์ƒํ™” ํ•˜์˜€๋‹ค. Generic View๋Š” ์›น ๊ฐœ๋ฐœ์‹œ ์ž์ฃผ ์‚ฌ์šฉํ•˜๋Š” ๊ธฐ๋Šฅ์„ ์žฅ๊ณ ์—์„œ ๋ฏธ๋ฆฌ ์ œ๊ณตํ•ด์ค€๋‹ค.

from django.views import generic

class IndexView(generic.ListView):
    model = Question

์œ„์™€ ๊ฐ™์ด ์ตœ์†Œํ•œ ๊ทธ ๋ทฐ๊ฐ€ ์–ด๋–ค ๋ชจ๋ธ์„ ์‚ฌ์šฉํ•  ๊ฒƒ์ธ์ง€๋งŒ ์ง€์ •ํ•ด์ฃผ๋ฉด generic view๊ฐ€ ๋ชจ๋“ ๊ฑธ ์•Œ์•„์„œ ํ•ด์ค€๋‹ค. ํ•„์š”์— ๋”ฐ๋ผ ๊ฐ ๋ทฐ๋งˆ๋‹ค ๋‹ฌ๋ผ์ง€๋Š” ๊ฐ’์„ ๋„ฃ์–ด์ฃผ๊ธฐ๋งŒ ํ•˜๋ฉด๋œ๋‹ค. Class-based View๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์žฅ์ ์ด ์žˆ๋‹ค.

  • GET, POST๋“ฑ HTTP ๋ฉ”์†Œ๋“œ์— ๋”ฐ๋ฅธ ์ฒ˜๋ฆฌ ์ฝ”๋“œ ์ž‘์„ฑ์‹œ ์ฝ”๋“œ ๊ตฌ์กฐ๊ฐ€ ๊น”๋”ํ•ด์ง„๋‹ค. ๊ฐ€๋…์„ฑ์ด ๋†’์•„์ง„๋‹ค.

  • ๋‹ค์ค‘์ƒ์† ๊ฐ™์€ ๊ฐ์ฒด์ง€ํ–ฅ ๊ธฐ๋ฒ•์„ ํ™œ์šฉํ•ด ์ œ๋„ˆ๋ฆญ ๋ทฐ, ๋ฏน์Šค์ธ ํด๋ž˜์Šค ๋“ฑ์„ ์‚ฌ์šฉํ•ด ์ฝ”๋“œ์˜ ์žฌ์‚ฌ์šฉ๊ณผ ๊ฐœ๋ฐœ ์ƒ์‚ฐ์„ฑ์„ ๋†’์—ฌ์ค€๋‹ค.

  • ๋ณต์žกํ•œ ๊ตฌํ˜„์„ ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•ด์ค€๋‹ค.

ํ•˜์ง€๋งŒ ํด๋ž˜์Šคํ˜• ๋ทฐ๊ฐ€ ํ•จ์ˆ˜ํ˜• ๋ทฐ๋ฅผ ์™„์ „ํžˆ ๋Œ€์ฒดํ•˜์ง€๋Š” ์•Š๋Š”๋‹ค. ์ƒํ™ฉ์— ๋”ฐ๋ผ ์„ ํƒํ•˜์—ฌ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด์ง€ ์–ด๋А ํ•œ์ชฝ์ด ๋” ์ข‹๋‹ค๊ณ  ๋งํ•˜๊ธฐ๋Š” ์–ด๋ ต๋‹ค.

Generic View๋Š” from django.views import generic ์™ธ๋ถ€ ๋ชจ๋“ˆ ์ ์šฉ์ด ํ•„์š”ํ•˜๋ฉฐ ๋‹ค์Œ๊ณผ ๊ฐ™์ด ๋ถ„๋ฅ˜ํ•  ์ˆ˜ ์žˆ๋‹ค.

  • Base View : ๋ทฐ ํด๋ž˜์Šค๋ฅผ ์ƒ์„ฑํ•˜๊ณ  ๋‹ค๋ฅธ ์ œ๋„ˆ๋ฆญ ๋ทฐ์˜ ๋ถ€๋ชจ ํด๋ž˜์Šค๊ฐ€ ๋˜๋Š” ๊ธฐ๋ณธ ๋ทฐ

    • View : ์ตœ์ƒ์œ„ ๋ถ€๋ชจ ์ œ๋„ˆ๋ฆญ ๋ทฐ ํด๋ž˜์Šค

    • TemplateView : ์ฃผ์–ด์ง„ ํ…œํ”Œ๋ฆฟ์œผ๋กœ ๋ Œ๋”๋ง

    • RedirectView : ์ฃผ์–ด์ง„ URL๋กœ redirect

  • Genreic Display View : ๊ฐ์ฒด์˜ ๋ชฉ๋ก ๋˜๋Š” ํ•˜๋‚˜์˜ ๊ฐ์ฒด ์ƒ์„ธ ์ •๋ณด๋ฅผ ๋ณด์—ฌ์ฃผ๋Š” ๋ทฐ

    • DetailView : ์กฐ๊ฑด์— ๋งž๋Š” ํ•˜๋‚˜์˜ ๊ฐ์ฒด ์ถœ๋ ฅ

    • ListView : ์กฐ๊ฑด์— ๋งž๋Š” ๊ฐ์ฒด ๋ชฉ๋ก ์ถœ๋ ฅ

  • Generic Edit View : Form์„ ํ†ตํ•ด ๊ฐ์ฒด๋ฅผ ์ƒ์„ฑ, ์ˆ˜์ •, ์‚ญ์ œํ•˜๋Š” ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•˜๋Š” ๋ทฐ

    • FormView : ํผ์ด ์ฃผ์–ด์ง€๋ฉด ํ•ด๋‹น ํผ์„ ์ถœ๋ ฅ

    • CreateView : ๊ฐ์ฒด๋ฅผ ์ƒ์„ฑํ•˜๋Š” ํผ ์ถœ๋ ฅ

    • UpdateView : ๊ธฐ์กด ๊ฐ์ฒด๋ฅผ ์ˆ˜์ •ํ•˜๋Š” ํผ ์ถœ๋ ฅ

    • DeleteView : ๊ธฐ์กด ๊ฐ์ฒด๋ฅผ ์‚ญ์ œํ•˜๋Š” ํผ ์ถœ๋ ฅ

  • Generic Date View : ๋‚ ์งœ ๊ธฐ๋ฐ˜ ๊ฐ์ฒด์˜ ์—ฐ/์›”/์ผ ํŽ˜์ด์ง€๋กœ ๊ตฌ๋ถ„ํ•ด ๋ณด์—ฌ์ฃผ๋Š” ๋ทฐ

    • YearArchiveView: ์ฃผ์–ด์ง„ ์—ฐ๋„์— ํ•ด๋‹นํ•˜๋Š” ๊ฐ์ฒด ์ถœ๋ ฅ

    • MonthArchiveView: ์ฃผ์–ด์ง„ ์›”์— ํ•ด๋‹นํ•˜๋Š” ๊ฐ์ฒด ์ถœ๋ ฅ

    • DayArchiveView: ์ฃผ์–ด์ง„ ๋‚ ์งœ์— ํ•ด๋‹นํ•˜๋Š” ๊ฐ์ฒด ์ถœ๋ ฅ

    • TodayArchiveView: ์˜ค๋Š˜ ๋‚ ์งœ์— ํ•ด๋‹นํ•˜๋Š” ๊ฐ์ฒด ์ถœ๋ ฅ

    • DateDetailView: ์ฃผ์–ด์ง„ ์—ฐ, ์›”, ์ผ PK(๋˜๋Š” ์Šฌ๋Ÿฌ๊ทธ)์— ํ•ด๋‹นํ•˜๋Š” ๊ฐ์ฒด ์ถœ๋ ฅ

์˜ˆ์ œ

from django.shortcuts import render, get_object_or_404
from django.http import HttpResponse, HttpResponseRedirect
from django.urls import reverse
from django.views import generic
# from django.template import loader
# from django.http import Http404

from .models import Question

# Create your views here.
class IndexView(generic.ListView):
    template_name = 'polls/index.html'
    context_object_name = 'latest_question_list'

    def get_queryset(self):
        return Question.objects.order_by('-pub_date')[:6]
  """๊ธฐ๋ณธ ๋ทฐ(View, Template, RedirectView) 3๊ฐœ๋ฅผ ์ œ์™ธํ•˜๊ณ  ๋ชจ๋“  ์ œ๋„ˆ๋ฆญ ๋ทฐ์—์„œ ์‚ฌ์šฉํ•œ๋‹ค. 
  ๋””ํดํŠธ๋Š” queryset ์†์„ฑ์„ ๋ฐ˜ํ™˜ํ•œ๋‹ค. 
  queryset ์†์„ฑ์ด ์ง€์ •๋˜์ง€ ์•Š์€ ๊ฒฝ์šฐ ๋ชจ๋ธ ๋งค๋‹ˆ์ € ํด๋ž˜์Šค์˜ all() ๋ฉ”์†Œ๋“œ๋ฅผ ํ˜ธ    ์ถœํ•ด QuerySet ๊ฐ์ฒด๋ฅผ ์ƒ์„ฑํ•ด ๋ฐ˜ํ™˜ํ•œ๋‹ค."""

class DetailView(generic.DetailView):
    model = Question
    template_name = 'polls/detail.html'

class ResultsView(generic.DetailView):
    model = Question
    template_name = 'polls/results.html'

def vote(request, question_id):
    question = get_object_or_404(Question, pk = question_id)
    try:
        selected_choice = question.choice_set.get(pk=request.POST['choice'])
    except (KeyError, Choice.DoesNotExist):
        return render(request, 'polls/detail.html', {'question' : question, 'error_message':"You didn't select a choice"})
    else:
        selected_choice.votes += 1
        selected_choice.save()
        return HttpResponseRedirect(reverse('polls:results', args=(question.id,)))

์ฐธ๊ณ 

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https://jwkcp.github.io/2016/11/08/python-jango-why-generic-views/
https://wikidocs.net/9623
https://docs.djangoproject.com/en/2.2/topics/class-based-views/