Spring & Spring Boot 基本のキ / Spring & Spring Boot for Beginner

Transcript

1. Spring & Spring Boot جຊͷΩ 2019/02/23 #javajo @otty_375
   
2. Who am I? • ͍͚(@otty_375) • Javaঁࢠ෦ӡӦϝϯόʔ • Springྺ͸1೥൒΄Ͳ
   
3. SpringΛॳΊͯ৮Δํʁ
   
4. ࠓ೔ͷΰʔϧ • ॳΊͯͷํ • SpringΛ஌ͬͯ΋Β͏ • ܦݧ͕͋Δํ • ཧղΛਂΊͯ΋Β͏
    ʘࠓޙSpringΛֶश͢Δ্Ͱͷ౔୆ʹͳΕ͹ʗ
5. Agenda • Spring Projectͱ͸ • Spring Core • Spring MVC • Spring Boot • ·ͱΊ
   
6. ϑϨʔϜϫʔΫͱ͸
   
7. ϑϨʔϜϫʔΫͱ͸ • γεςϜ։ൃͰසൟʹ࢖ΘΕΔॲཧΛఏڙͯ͠ ͘ΕΔ΋ͷ • σʔλΞΫηεɺηογϣϯ؅ཧɺೝূ etc. • ར༻͢Δ͜ͱͰϏδωεϩδοΫʹूதͰ͖Δ
   
8. Spring Project
   
9. Spring Project • Java޲͚ͷΦʔϓϯιʔεϑϨʔϜϫʔΫ • ෳ਺ͷίϯϙʔωϯτͷ૊Έ߹ΘͤͰͰ͖ͯ ͍Δ • ެࣜαΠτ https://spring.io/
   
10. Spring Project ͷҰ෦ • Spring Framework • Spring Data • Spring Security • Spring Batch • Spring Boot
    
11. Spring Framework ͷҰ෦ • Spring Core • Dependency Injection (DI) • Aspect Oriented Programming (AOP) • Spring MVC • Spring Testing
    
12. ࠓճѻ͏෦෼ • Spring Core • Dependency Injection (DI) • Spring MVC • Spring Boot
    
13. Spring Core
    
14. Dependency Injection (DI) • ௚༁͢Δͱʮґଘੑͷ஫ೖʯ • ར༻͍ͨ͠ΠϯελϯεΛར༻͢ΔଆͰੜ੒ ͢ΔͷͰ͸ͳ͘ɺ֎͔Βઃఆͯ͋͛͠Δ͜ͱ • ʢ஫ҙʣDIࣗମ͸Spring͚ͩͷػೳͰ͸ͳ͍
    
15. DIͷྲྀΕ 1. Beanఆٛͨ͠ΒDIίϯςφʹొ࿥͞ΕΔ 2. ར༻͢ΔଆͷΫϥεͰBeanΛΠϯδΣΫγϣϯ ͯ͠࢖͏
    
16. DIͷྲྀΕ 1. Beanఆٛͨ͠ΒDIίϯςφʹొ࿥͞ΕΔ 2. ར༻͢ΔଆͷΫϥεͰBeanΛΠϯδΣΫγϣϯ ͯ͠࢖͏
    
17. Beanͱ͸ • Spring͕؅ཧ͢ΔΠϯελϯεͷ͜ͱ
    
18. Beanఆٛͱ͸ • Springʹ؅ཧͯ͠΄͍͠Πϯελϯεͩͱ Θ͔ΔΑ͏ʹఆٛ͢Δ͜ͱ
    
19. Beanఆٛͷํ๏3ͭ • XMLϕʔε • Java Configϕʔε ࠓճ͸͜Ε • Ξϊςʔγϣϯϕʔε ࠓճ͸͜Ε
    
20. Java ConfigϕʔεͷྲྀΕ 1. @ConfigurationΛ͚ͭͨJavaΫϥεΛ༻ҙ 2. ͦͷΫϥεʹ@BeanΛ͚ͭͨϝιουΛ࡞੒ 3. ͦͷϝιου͸Beanͱͯ͠ఆ͍ٛͨ͠ΫϥεΛ newͨ͠΋ͷΛ໭Γ஋ʹͱΔ
     ʘ۩ମྫ͸ϋϯζΦϯύʔτʹͯʗ
21. ΞϊςʔγϣϯϕʔεͷྲྀΕ 1. Beanొ࿥͍ͨ͠ΫϥεͩͱΘ͔ΔΑ͏ͳ໨ҹ ʢ=ΞϊςʔγϣϯʣΛ͚ͭΔ • Ξϊςʔγϣϯͷछྨ͸৭ʑ͋Δɹ @Controller, @Service, @Repository, @Component, etc.
     ʘ۩ମྫ͸ϋϯζΦϯύʔτʹͯʗ
22. DIͷྲྀΕ 1. Beanఆٛͨ͠ΒDIίϯςφʹొ࿥͞ΕΔ 2. ར༻͢ΔଆͷΫϥεͰBeanΛΠϯδΣΫγϣϯ ͯ͠࢖͏
    
23. DIίϯςφͱ͸ • BeanΛొ࿥͢Δ৔ॴͷ͜ͱ
    
24. DIίϯςφొ࿥ͷྲྀΕ 1. Spring͸ىಈ࣌ʹBeanఆٛͷ໨ҹ͕͍ͭͨ ΋ͷΛ୳͢ 2. ݟ͔ͭͬͨΒDIίϯςφʹొ࿥͢Δ 3. ໨ҹΛ୳͢͜ͱΛίϯϙʔωϯτεΩϟϯ ͱ͍͏
    
25. DIίϯςφొ࿥ͷਤ ᶃ %*ίϯςφ
    ʢ"QQMJDBUJPO$POUFYUʣ
     @Service 4BNQMF4FSWJDF
    Ϋϥε #FBO
    4BNQMF4FSWJDF ։ൃऀ͕ΞϊςʔγϣϯΛ͚ͭͯ Beanఆٛ͢Δ
26. DIίϯςφొ࿥ͷਤ ᶄ %*ίϯςφ
    ʢ"QQMJDBUJPO$POUFYUʣ
     @Service 4BNQMF4FSWJDF
    Ϋϥε #FBO
    4BNQMF4FSWJDF Spring͕ίϯϙʔωϯτΩϟϯͯ͠ Beanର৅Λ୳͢
27. DIίϯςφొ࿥ͷਤ ᶅ %*ίϯςφ
    ʢ"QQMJDBUJPO$POUFYUʣ
     @Service 4BNQMF4FSWJDF
    Ϋϥε #FBO
    4BNQMF4FSWJDF Spring͕BeanΛDIίϯςφʹ ొ࿥͢Δ
28. DIͷྲྀΕ 1. Beanఆٛͨ͠ΒDIίϯςφʹొ࿥͞ΕΔ 2. ར༻͢ΔଆͷΫϥεͰBeanΛΠϯδΣΫγϣϯ ͯ͠࢖͏
    
29. ΠϯδΣΫγϣϯͱ͸ • Ϋϥεؒͷґଘؔ܎Λ֎͔ΒೖΕͯ͋͛Δ ͜ͱ
    
30. ΠϯδΣΫγϣϯͷํ๏3ͭ • ϑΟʔϧυΠϯδΣΫγϣϯ • ηολʔΠϯδΣΫγϣϯ • ίϯετϥΫλΠϯδΣΫγϣϯ ࠓճ͸͜Ε
    
31. ίϯετϥΫλΠϯδΣΫγϣϯ 1. BeanΛར༻͍ͨ͠ΫϥεͷίϯετϥΫλͷ Ҿ਺ʹΠϯδΣΫγϣϯ͍ͨ͠BeanΛ౉͠ɺ ࣗ਎ͷϑΟʔϧυʹηοτ͍ͯ͘͠ 2. ίϯετϥΫλʹ@AutowiredΛ͚ͭΔɹɹ ʢίϯετϥΫλ͕Ұͭͷ࣌͸লུՄೳʣ
     ʘ۩ମྫ͸ϋϯζΦϯύʔτʹͯʗ
32. %*ίϯςφ
     @Service 4BNQMF4FSWJDF @Controller @Autowired 4BNQMF$POUSPMMFS
    QSJWBUF
    pOBM
    4BNQMF4FSWJDF
    TBNQMF4FSWJDF
    4BNQMF$POUSPMMFS 4BNQMF4FSWJDF
    TBNQMF4FSWJDF
    \
    UIJTTBNQMF4FSWJDF
    
    TBNQMF4FSWJDF
    
    ^ ΠϯδΣΫγϣϯͷਤ ᶃ
33. %*ίϯςφ
     @Service 4BNQMF4FSWJDF #FBO
    4BNQMF4FSWJDF #FBO
    4BNQMF$POUSPMMFS @Controller @Autowired 4BNQMF$POUSPMMFS
    QSJWBUF
    pOBM
    4BNQMF4FSWJDF
    TBNQMF4FSWJDF
    4BNQMF$POUSPMMFS 4BNQMF4FSWJDF
    TBNQMF4FSWJDF
    \
    UIJTTBNQMF4FSWJDF
    
    TBNQMF4FSWJDF
    
    ^ ΠϯδΣΫγϣϯͷਤ ᶄ ΠϯδΣΫγϣϯ
34. DIͰԿ͕͏Ε͍͔͠ • Πϯελϯεͷ࡞੒΍ॳظԽॲཧͳͲΛɹɹ ੾Γग़ͤΔͷͰίʔυͷݟ௨͕͠ྑ͘ͳΔ • DIίϯςφʹΠϯελϯεͷείʔϓ΍ɹɹ ϥΠϑαΠΫϧΛ؅ཧͯ͠΋Β͑Δ • ςετͰΠϯελϯεͷࠩ͠ସ͕͑͠΍͘͢ ͳΔ
    
35. Spring MVC
    
36. Spring MVC • SpringͰWebΞϓϦέʔγϣϯΛ։ൃ͢Δࡍʹ ར༻͢ΔϑϨʔϜϫʔΫͷҰͭ • MVCύλʔϯΛ࠾༻ • ϦΫΤετϚοϐϯάͳͲΛΞϊςʔγϣϯΛ ར༻ͯ͠ઃఆͰ͖Δ
    
37. Spring MVC ͷਤ
     ϑϩϯτίϯτϩʔϥ
    %JTQBUDIFS4FSWMFU )BOEMFS.BQQJOH $POUSPMMFS 7JFX3FTPMWFS 7JFX ᶃ ᶄ ᶅ ᶆ ᶇ ᶈ ᶉ ᶊ ᶋ ᶌ
38. Spring MVC ͷ಺෦ॲཧ
     ᶃ ֎෦͔ΒϦΫΤετ͕΍ͬͯ͘Δ ᶄ DispatcherServlet͕HandlerMappingʹϦΫΤετ͢Δ ᶅ HandlerMapping͕ϦΫΤετʹԠͨ͡ControllerΛฦͯ͘͠ΕΔ ᶆ DispatcherServlet͕ControllerʹॲཧΛҕৡ͢Δ ᶇ Controller͕View໊ͱModelΛฦ͢ ᶈ DispatcherServlet͕View໊ΛViewResolverʹ౉͢ ᶉ ViewResolver͕Viewͷ׬શύεΛฦ͢ ᶊ DispatcherServlet͕ViewʹModelΛ౉͢ ᶋ View͸ModelΛݩʹHTMLΛ૊Έཱͯͯฦ͢ ᶌ ֎෦ʹHTMLϨεϙϯεΛฦ͢
39. ࠓճѻ͏෦෼
     ϑϩϯτίϯτϩʔϥ
    %JTQBUDIFS4FSWMFU )BOEMFS.BQQJOH $POUSPMMFS 7JFX3FTPMWFS 7JFX
40. ࠓճѻ͏෦෼
     ᶃ ֎෦͔ΒϦΫΤετ͕΍ͬͯ͘Δ ᶄ DispatcherServlet͕HandlerMappingʹϦΫΤετ͢Δ ᶅ HandlerMapping͕ϦΫΤετʹԠͨ͡ControllerΛฦͯ͘͠ΕΔ ᶆ DispatcherServlet͕ControllerʹॲཧΛҕৡ͢Δ ᶇ Controller͕View໊ͱModelΛฦ͢ ᶈ DispatcherServlet͕View໊ΛViewResolverʹ౉͢ ᶉ ViewResolver͕Viewͷ׬શύεΛฦ͢ ᶊ DispatcherServlet͕ViewʹModelΛ౉͢ ᶋ View͸ModelΛݩʹHTMLΛ૊Έཱͯͯฦ͢ ᶌ ֎෦ʹHTMLϨεϙϯεΛฦ͢
41. Controllerͱ͸ • HTTPϦΫΤετΛϚοϐϯάͨ͠Γɹɹɹ ྫ֎ϋϯυϦϯάΛߦ͏෦෼ • @Controller, @RestControllerΞϊςʔγϣϯ Λ͚ͭΔ
    
42. RequestMapping • Controllerʹ༻ҙͨ͠ϝιουʹ͚ͭΔΞϊ ςʔγϣϯ • ͜ͷURLʹ͜ͷHTTPϝιουͷϦΫΤετ͕ དྷͨΒ͜ͷॲཧɺͱৼΓ෼͚ΔͨΊͷઃఆ
    
43. Modelͱ͸ • ViewςϯϓϨʔτʹ஋Λड͚౉ͨ͢Ίʹ ࢖༻͞ΕΔ΋ͷ
    
44. ModelͷྲྀΕ • ControllerͰModelʹ৘ใΛ٧Ίͯฦ͢ • Modelͷதͷ৘ใ͸View͕ݟΕΔҐஔʹ ஔ͔ΕɺViewͷ૊Έཱͯʹ࢖ΘΕΔ
    
45. ModelͷྲྀΕͷਤ ᶃ
     ϑϩϯτίϯτϩʔϥ
    %JTQBUDIFS4FSWMFU )BOEMFS.BQQJOH $POUSPMMFS 7JFX3FTPMWFS 7JFX .PEFM greeting = "hello"
46. ModelͷྲྀΕͷਤ ᶄ
     ϑϩϯτίϯτϩʔϥ
    %JTQBUDIFS4FSWMFU )BOEMFS.BQQJOH $POUSPMMFS 7JFX3FTPMWFS 7JFX .PEFM greeting = "hello" <p th:text="${greeting}"></p> .PEFM
47. ModelͷྲྀΕͷਤ ᶅ
     ϑϩϯτίϯτϩʔϥ
    %JTQBUDIFS4FSWMFU )BOEMFS.BQQJOH $POUSPMMFS 7JFX3FTPMWFS 7JFX .PEFM greeting = "hello" <p th:text="${greeting}"></p> <p>hello</p> .PEFM
48. ϑϩϯτίϯτϩʔϥͷઃఆ • ࣗಈͰϑϩϯτίϯτϩʔϥΛ࢖͑ΔΑ͏ʹ ͢Δʹ͸ɺJava ConfigΫϥεʹ @EnableWebMvcΞϊςʔγϣϯΛ͚ͭΔ
    
49. Spring Boot
    
50. Spring Boot • SpringΛΑΓखܰʹɺ࠷খݶͷઃఆͰ࢖͑Δ Α͏ʹͨ͠ϑϨʔϜϫʔΫ
    
51. Spring Boot ͷಛ௃ • Auto Configuration • Spring Boot Starter • Stand-alone Application • etc.
    
52. Spring Boot ͷಛ௃ • Auto Configuration • Spring Boot Starter • Stand-alone Application
    
53. Auto Configuration • SpringΛ࢖༻͢Δʹ͸༷ʑͳઃఆ͕ඞཁ • Spring Bootʹ͸ଟ͘ͷઃఆʢJava Configʣ ͕σϑΥϧτͰ༻ҙ͞Ε͍ͯΔ • @EnableAutoConfigurationΛ෇͚Δͱඞཁͳ ઃఆΛࣗಈͰಡΈࠐΜͰ͘ΕΔ
    
54. Spring Boot ͷಛ௃ • Auto Configuration • Spring Boot Starter • Stand-alone Application
    
55. Spring Boot Starter • Spring Bootʹ͸ඞཁͳϥΠϒϥϦΛ·ͱΊͯ ͘ΕΔStarterͱ͍͏࢓૊Έ͕͋Δ • ґଘؔ܎ʹspring-boot-starter-xxxΛ௥Ճ͢Δ ͚ͩͰؔ࿈͢ΔϥΠϒϥϦΛ·ͱΊͯऔಘͯ͠ ͘ΕΔ
    
56. ࠓճ࢖͏Starter • spring-boot-starter-web • webΞϓϦέʔγϣϯΛ࡞੒͢ΔͨΊ • spring-boot-starter-thymeleaf • Thymeleafͱ͍͏ViewςϯϓϨʔτΤϯδϯ Λར༻͢ΔͨΊ
    
57. Spring Boot ͷಛ௃ • Auto Configuration • Spring Boot Starter • Stand-alone Application
    
58. Stand-alone Application • jarΛੜ੒͢Δࡍʹ૊ΈࠐΈαʔόΛؚΜͰɹ ͘ΕΔͷͰ୯ମͰ࣮ߦՄೳ • warΛੜ੒ͯ͠αʔόʹσϓϩΠ͠ͳͯ͘΋ ࣮ߦͰ͖Δ
    
59. ·ͱΊ
    
60. Spring & Spring Boot ·ͱΊ • ෳ਺ͷίϯϙʔωϯτʢSpring Core, Spring MVC, etc.ʣͷ૊Έ߹ΘͤͰͰ͖͍ͯΔ • Springͷࠜװ͸DIʹ͋Γ • SpringΛΑΓखܰʹ࢖͑ΔΑ͏ʹͨ͠ͷ͕ Spring Boot
    
61. ࢀߟࢿྉ
    
62. ࢀߟࢿྉʢWebʣ • Spring ެࣜαΠτ • https://spring.io/ • ॳΊͯͰ΋30෼Ͱ෼͔ΔSpring 5 & Spring Boot 2Φʔ όʔϏϡʔ • https://www.slideshare.net/ masatoshitada7/30spring-5-spring- boot-2-103523666
    
63. ࢀߟࢿྉʢॻ੶ʣ • Springపఈೖ໳