Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
DIについて知る / Let's study together DI.
Search
juve534
February 19, 2021
85
0
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
DIについて知る / Let's study together DI.
DIについて社内勉強会をしたその資料
juve534
February 19, 2021
More Decks by juve534
See All by juve534
DMMプラットフォームでプルリクエストのマージ時間を250時間から50時間に減らした話 / Developers Summit 2023
juve534
3
3k
CleanArchitecture輪読会 - SOLID原則 - / Clean Architecture Round Reading SOLID
juve534
0
110
スクラムガイド輪読会 / changes 2020 Scrum Guide
juve534
0
140
PHPUnitでパラメタライズドテストと例外のテスト / PHPUnit +Parameterized Test
juve534
0
340
レガシーコードに最低限の秩序をもたせる
juve534
2
1.6k
Featured
See All Featured
Thoughts on Productivity
jonyablonski
76
5.4k
brightonSEO & MeasureFest 2025 - Winning Strategies for Black Friday CRO & PPC - Christian Goodrich
cargoodrich
3
870
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
141
35k
Fireside Chat
paigeccino
43
4.1k
How To Speak Unicorn (iThemes Webinar)
marktimemedia
1
600
Measuring & Analyzing Core Web Vitals
bluesmoon
9
1k
RailsConf 2023
tenderlove
30
1.6k
Building Experiences: Design Systems, User Experience, and Full Site Editing
marktimemedia
1
630
sira's awesome portfolio website redesign presentation
elsirapls
0
460
HDC tutorial
michielstock
2
960
AI Search: Implications for SEO and How to Move Forward - #ShenzhenSEOConference
aleyda
1
1.4k
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
28
3.7k
Transcript
DIʹ͍ͭͯΔ 2021-02-19 ࣾษڧձ @juve534
ࠓ͢͜ͱ • DIʹ͍ͭͯ • DIΛ͏ͱԿ͕ྑ͍ͷ͔
ࠓͤͳ͍͜ͱ • DIίϯςφʹ͍ͭͯ • ࣗৄ͘͠ͳ͍ͨΊ
ग़య : https://qiita.com/fagai/items/bf336e56c5b2bddec749 ͜ͷهࣄΛϕʔεʹਐΊ͍͖ͯ·͢
DIʹ͍ͭͯ
DIʹ͍ͭͯ • Dependency Injectionͷུ • ຊޠʹ༁͢ͱʮґଘੑͷೖʯ • ίϯϙʔωϯτؒͷґଘؔΛϓϩάϥϜ͔Βഉআ͠ɺ֎෦ͷઃఆϑΝΠϧ ͰೖͰ͖Δ͜ͱ •
ग़లɿhttps://ja.wikipedia.org/wiki/ %E4%BE%9D%E5%AD%98%E6%80%A7%E3%81%AE%E6%B3%A8%E5% 85%A5
None
ʮґଘੑʯΛΦϒδΣΫτʹஔ͖͑Δͱ ʮΦϒδΣΫτͷೖʯͱͳΔ
DIͰͳ͍ঢ়ଶΛઌʹΔ • DIͰͳ͍ঢ়ଶɺઌఔͷٯͰߟ͑Εྑ͍ • ґଘੑ͕͋Δঢ়ଶ • etc) ίϯετϥΫλͰΦϒδΣΫτΛੜ͍ͯ͠Δ
DIͰͳ͍ঢ়ଶΛઌʹΔ ΫϥεͰΦϒδΣΫτ ੜ
DIͰͳ͍ঢ়ଶΛઌʹΔ • ClientΫϥε͕ίϯετϥΫλͰੜ͞Ε͍ͯΔ • ClientΫϥεʹґଘͯ͠ɺີ݁߹Ͱ୯ମςετͮ͠Β͍ • ClientΫϥεͷৼΔ͍୲อ͢Δ͜ͱʹͳΔͨΊ
DIͯ͠ΈΔ
DIͯ͠ΈΔ ੜ͞ΕͨΦϒδΣΫτ ΛҾͱ͢Δ ͜͜ಉ͡
DIͯ͠ΈΔ • ίϯετϥΫλͰΦϒδΣΫτΛड͚औΔΑ͏ʹ͢Δ • ͖ͬ͞ͱຆͲมΘΒͳ͍͕ɺ͜ΕʹΑΓϞοΫΛ͑ΔΑ͏ʹ ͳΔ • ϞοΫΛ͑Δ͜ͱͰɺϦΫΤετͷฦΓΛςετͰ͖Δ
DIͯ͠ΈΔ ٖࣅతͳϨεϙϯεΛ ઃఆ͢Δ ݁ՌΛςετ͢Δ
DIͯ͠ΈΔ • ClientΫϥεΛ֎͔Β͢͜ͱͰૄ݁߹ • ίʔυͷΑ͏ʹϞοΫΛ͢͜ͱ͕Մೳ • ϞοΫΛͤΔ͜ͱͰɺ୯ମςετ͕ॻ͖͘͢ͳͬͨ
ߋʹҰาਐΜͰݟΔ
DIͯ͠ΈΔ • ઌఔͷྫͰ֎͔ΒೖͰ͖ΔΑ͏ʹͳ͕ͬͨɺ࣮ମʹґଘͯ͠ ͍Δ • ྫ͑ҧ͏ϥΠϒϥϦΛ͓͏ͱࢥ͏ͱɺΫϥεͷࠩ͠ସ͕͑ ඞཁ • ͜͜ΛநԽ͢Δ͜ͱͰղܾΛਤΔ
DIͯ͠ΈΔ ઌఔΦϒδΣΫτΛड͚औͬͨ ͕ɺ*OUFSGBDFΛड͚औΔΑ͏ʹ ͢Δ *OUFSGBDF͕ҰॹͰ͋Εɺ ࠩ͠ସ͕͑Մೳ
DIͯ͠ΈΔ • InterfaceΛ͏Α͏ʹ͢Δ͜ͱͰநԽʹޭ • நԽ͞Ε͍ͯΔͷͰɺΦϒδΣΫτͷࠩ͠ସ͕͑Մೳ • GuzzleHttpͱCakePHPͷClient྆ํͰಈ͘Α͏ʹ
DIͯ͠ΈΔ • ۩ମతͳྫͱͯ͠ɺϦϚΠϯμʔΛߟ͑Δ • ϦϚΠϯμʔ͕ϝʔϧϓογϡ௨Λͯ͘͠ΕΔͱ͢Δ • ϢʔβͷઃఆʹԠͯ͡Γସ͑Δͱͨ͠߹ • ಉ͡Interfaceʹͯ͠ɺݺͼग़͠Ͱ͍͚ͱ͍͏࣮͕Ͱ͖Δ •
όϦΤʔγϣϯΛInterfaceͰநԽ͠ɺOCPΛҙ࣮ࣝͨ͠Մೳ
͜ͷநԽ·Ͱ͕DIͱݺͿ…Β͍͠
·ͱΊ • DIΛ͏͜ͱͰίʔυΛૄ݁߹ʹ͢Δ͜ͱ͕Ͱ͖Δ • ૄ݁߹ʹ͢Δ͜ͱͰԼهͷϝϦοτ͕ಘ͍͢ • ୯ମςετ͕ॻ͖͍͢ • ίʔυͷࠩ͠ସ͕͑༻ҙ
ࢀߟࢿྉ • ࠷ߴʹΘ͔ΔDIίϯςφ(ಛʹPHPʹϑΥʔΧεͨ͠ • ґଘੑͷೖ - Wikipedia
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
༨ஊ • ͲͷΦϒδΣΫτΛࠩ͠ࠐΉ͔Λཧ͢Δඞવ͕͋Δ • ίʔυʹࢄΒΔͱཧ͕ͮ͠Β͍ • ͦ͜ͰDIίϯςφͱ͍͏ΈͰҰݩཧ͢Δ • Laravel, SymfonyͰ࠾༻͞Ε͍ͯΔΈ
• CakePHPͰ4.2͔Β࠾༻͞ΕΔ