Ruby and Rails 講義第13回

3VCZPO3BJMTߨٛ ୈճ ,VOJBLJ*("3"4)*JHBJHB BUҰڮେֶ ࣾձՊֶʹ͓͚Δ৘ใٕज़ͱίϯςϯπ࡞੒ᶙ χϑςΟגࣜձࣾدෟߨٛ

χϑςΟגࣜձࣾ ఏڙ

ߨࢣ ޒेཛྷ๜໌ גࣜձࣾສ༿ɹΤϯδχΞ

5FBDIJOH"TTJTUBOU ᖛ࡚݈ޗ ΫοΫύουגࣜձࣾɹΤϯδχΞ

໨࣍ 3VCZPO3BJMT

3VCZPO3BJMTͱ͸ 3VCZͰ࡞ΒΕͨ 8FCΞϓϦέʔγϣϯϑϨʔϜϫʔΫ 8FCΞϓϦέʔγϣϯΛ ؆୯ʹ࡞ΕΔ࢓૊Έ

8FCΞϓϦͬͯʁ

ϒϥ΢βͰΞΫηε Ͱ͖ΔΞϓϦ

$00,1"% 3BJMT੡

৯΂ϩά 3BJMT੡

UXJUUFS ݩ3BJMT੡ʁ

'BDFCPPL

"NB[PO

8FCΞϓϦͷ࢓૊Έͷ ؆୯ͳઆ໌

8FC4FSWFS 8FC"QQ #SPXTFS ϦΫΤετ 63-IUUQDPPLQBEDPN 8FCΞϓϦͷجຊಈ࡞ IUUQDPPLQBEDPN ϒϥ΢βʹ63-Λೖྗͯ͠ΞΫηε

8FC4FSWFS 8FC"QQ #SPXTFS ϦΫΤετ Ϩεϙϯε 63-IUUQDPPLQBEDPN )5.- 8FCΞϓϦͷجຊಈ࡞ IUUQDPPLQBEDPN Ϩεϙϯεͱͯ͠)5.-͕ฦͬͯ͘Δ

)5.- )ZQFS5FYU.BSLVQ-BOHVBHF 8FCϖʔδΛهड़͢ΔͨΊͷݴޠ

ϒϥ΢βͰ)5.-දࣔ ӈΫϦοΫ͔ΒιʔεΛදࣔ

8FC4FSWFS 8FC"QQ #SPXTFS ϦΫΤετ Ϩεϙϯε 63-IUUQDPPLQBEDPN )5.- ϒϥ΢βͷओͳػೳ IUUQDPPLQBEDPN ϦΫΤετΛඈ͹͢
ϨεϙϯεͰ΋Βͬͨ)5.-Λਓ͕ݟΔܗࣜͰදࣔ͢Δ

8FC4FSWFS 8FC"QQ #SPXTFS ϦΫΤετ Ϩεϙϯε )5.- Πϯλʔωοτ΁ͷΞΫηε 8FC4FSWFS͸ωοτͷ޲͜͏ʹ͋Δ *OUFSOFU

8FC4FSWFS 8FC"QQ #SPXTFS ϦΫΤετ Ϩεϙϯε 63- )5.- ։ൃ࣌ͷߏ੒ ୆ͷϚγϯͷதͰ։ൃɺΞΫηεՄೳͰ͢ɻ ࣗ෼ͷ1$

8FC4FSWFS 8FC"QQ #SPXTFS ϦΫΤετ Ϩεϙϯε 63- )5.- 3BJMTΞϓϦ ͜Ε͔Β࡞Δͷ͸͜ͷ෦෼ ࣗ෼ͷ1$
3BJMT"QQ ϒϥ΢βͰಈ࡞ ֬ೝ͠ͳ͕Βਐ Ί·͢ɻ

࠷ॳʹɺ3BJMTΞϓϦΛ ࡞ΔͨΊͷ؀ڥΛηο τΞοϓ͠·͢ɻ

ɾ3BJMT*OTUBMMFS ɹಛʹෆཁ ࠷ۙNBD൛΋ग़·ͨ͠ɻIUUQTHJUIVCDPNSBJMTJOTUBMMFSSBJMTJOTUBMMFSOJYEPXOMPBET ɾ7. 6CVOUV ɹTVEPHFNJOTUBMMSBJMTOPSJOPSEPD TVEPBQUHFUJOTUBMMOPEFKT ˞OPSJOPSEPD͸υΩϡϝϯτΠϯετʔϧΛলུ͢ΔHFNͷΦϓγϣϯ ɾ.BD ɹTVEPHFNJOTUBMMSBJMTOPSJOPSEPD
ɹ 37.Λ࢖ͬͯΔ৔߹͸TVEPෆཁ

Ͱ͸ɺ3BJMTΞϓϦΛ ͭͬͯ͘Έ·͠ΐ͏

3BJMTΞϓϦΛͭͬͯ͘ಈ͔ͯ͠ΈΔ 3BJMTΞϓϦΛͭ͘Δ 8FC4FSWFSͱ3BJMTΞϓϦΛىಈ͢Δ ϒϥ΢β͔ΒҎԼͷ63-ʹΞΫηε͢Δ

3BJMTΞϓϦΛͭ͘Δ SBJMTOFXTBNQMF@BQQ ུ SBJMTOFXΞϓϦ໊ Ͱ3BJMTΞϓϦΛ࡞Γ·͢ɻ 3BJMT͕ඞཁͳϑΝΠϧΛ ͨ͘͞ΜHFOFSBUF͠·͢ɻ ը໘ʹදࣔ͞ΕΔͷ͸HFOFSBUF ͞ΕͨϑΝΠϧ܈Ͱ͢ɻ ͦͷޙɺඞཁͳHFNΛࣗಈͰηο
τΞοϓ͠·͢ɻ ͪΐͬͱ͔͔࣌ؒΓ·͢ɻ ్தͰ&OUFSZPVSQBTTXPSEUP JOTUBMMUIFCVOEMFE3VCZ(FNTUP ZPVSTZTUFN ͱݴΘΕͨΒύιίϯͷύεϫʔυΛೖྗ͠ ͍ͯͩ͘͞ɻ

8FC4FSWFSͱ3BJMTΞϓϦΛىಈͯ͠ɺϒϥ΢β͔ΒΞΫηε Մೳʹ͠·͢ɻ ىಈத͸TIFMM͔ΒίϚϯυͳͲ͸ೖྗͰ͖ͳ͍ͷͰɺඞཁͳ৔߹ ͸ผͷTIFMMը໘Λ։͖·͢ɻ ऴྃ͸$USMΩʔͱDΩʔΛಉ࣌ԡ͠͠·͢ɻ DETBNQMF@BQQ CVOEMFFYFDSBJMTTFSWFS 8FC4FSWFSͱ3BJMTΞϓϦΛىಈ͢Δ

͜Μͳը໘͕ग़Ε͹3BJMTΞϓϦ΁ΞΫηε੒ޭͰ͢ɻ ։ൃ͢ΔͨΊͷา໨͕౿Έग़͍ͤͯΔ͜ͱʹͳΓ·͢ɻ IUUQMPDBMIPTU ϒϥ΢β͔ΒҎԼͷ63-ʹΞΫηε͢Δ

MPDBMIPTU ಛผͳΞυϨεͰ͢ɻࣗ෼ͷϚγϯΛࢦ͠·͢ɻ IUUQMPDBMIPTU 63-ͷઆ໌ ϙʔτ൪߸Ͱ͢ɻ൪ϙʔτΛࢦ͠·͢ɻ ΞυϨε ϙʔτ ϙʔτ͸ɺಉ͡ΞυϨε಺Ͱ௨৴ઌΛಛఆ͢Δ൪߸Ͱ͢ɻ ྫ͑͹ɺΞυϨε͕Ӻͷ໊લɺϙʔτ͕ӺͷϗʔϜ˓൪ઢɺ
ͱΠϝʔδ͢Δͱ෼͔Γ΍͍͔͢΋ɻ

8FC4FSWFS 8FC"QQ #SPXTFS ϦΫΤετ IUUQMPDBMIPTU Ϩεϙϯε )5.- ࣗ෼ͷ1$ 3BJMT"QQ MPDBMIPTU
CVOEMFFYFDSBJMTTFSWFS ͖ͬ͞ͷΞΫηεͷΠϝʔδਤ TBNQMF@BQQ

લʹͭͬͨ͘3BJMTΞϓϦΛಈ͔ͯ͠ΈΔ 3BJMT3PPUϑΥϧμ΁Ҡಈ TBNQMF@BQQϑΥϧμ΁Ҡಈ͓͖ͯ͠·͢ɻ TBNQMF@BQQϑΥϧμΛ3BJMT3PPUͱݺͼ·͢ɻ CVOEMFJOTUBMM 3BJMTΞϓϦͰ࢖͏HFNΛηοτΞοϓͯ͘͠ΕΔ͓·͡ͳ͍ɻ ΄͔ͷ3BJMTΞϓϦΛಈ͔ͨ͠ޙͳͲ͸͜ͷ໋ྩ͕ඞཁͰ͢ɻ 8FC4FSWFSͱ3BJMTΞϓϦΛىಈ͢Δ ϒϥ΢β͔ΒΞΫηε͢Δ ճ໨Ҏ߱ʹىಈ͢Δ৔߹ͷखॱ
CVOEMFJOUBMM IUUQMPDBMIPTUCPPLT CVOEMFFYFDSBJMTTFSWFS

3BJMT͸ͨ͘͞ΜͷϑΝΠϧΛࣗಈੜ੒͠·͢ ຖճ࢖͏Α͏ͳڞ௨ϑΝΠϧ͸ࣗಈͰ࡞ΒΕΔͷͰɺ ͜͜ʹΞϓϦಛ༗ͷॲཧΛॻ͍͍͖ͯ·͢

͍ͭͮͯɺ ؆୯ͳϖʔδΛ࡞ͬͯΈ·͢ɻ σϞ༻΍։ൃͷͨΊͷͻͳܗΛ ࡞ΔͨΊͷTDBGGPMEͱ͍͏ػ ೳΛར༻͠·͢ɻ

CVOEMFFYFDSBJMTHFOFSBUFTDBGGPMECPPLUJUMFTUSJOHNFNPUFYU ؆୯ͳϖʔδΛͭͬͯ͘ΈΔ CVOEMFFYFDSBLFECNJHSBUF TDBGGPMEͰϖʔδΛͭ͘Δ σʔλΛ͠·͏σʔλϕʔεΛͭ͘Δ IUUQMPDBMIPTUCPPLT ϒϥ΢β͔ΒҎԼͷ63-ʹΞΫηε͢Δ ຊͷλΠτϧͱϝϞΛొ࿥Ͱ͖ΔϖʔδΛͭ͘Γ·͢ɻ CVOEMFFYFDSBJMTTFSWFS ˞SBJMTTFSWFSΛ$USMDͰఀࢭ͍ͯͨ͠Βɺ·ͨىಈ͢Δ
TBNQMF@BQQϑΥϧμ΁Ҡಈ͓͖ͯ͠·͢ɻ ͜ͷϑΥϧμͷ͜ͱΛ3BJMT3PPUͱݺͼ·͢ɻ

͜Μͳը໘͕ग़Ε͹৽͍͠ϖʔδͷ࡞੒ʹ੒ޭ͍ͯ͠·͢ɻ IUUQMPDBMIPTUCPPLT ϒϥ΢β͔ΒҎԼͷ63-ʹΞΫηε͢Δ /FX#PPLϦϯΫ͔Βొ࿥ͨ͠Γฤूͨ͠Γ࡟আͨ͠Γͯ͠Έ͍ͯͩ͘͞ɻ

TDBGGPME΋ͨ͘͞ΜͷϑΝΠϧΛࣗಈੜ੒͠·͢ɻ ͜ΕΒͷϑΝΠϧΛฤूͯ͠ΞϓϦΛ࡞͍͖ͬͯ·͢ɻ

3BJMTΞϓϦͷϑΥϧμߏ੒ 3BJMTͰ͸໾ׂ ͝ͱʹϑΥϧμ ͕࡞ΒΕɺϑΝ Πϧ͕഑ஔ͞Ε ·͢ɻ Ͳ͜ʹͲΜͳ ϑΝΠϧ͕ஔ͔ ΕΔ͔͸࣍ճҎ ߱ͷߨٛͰઆ໌
͍͖ͯ͠·͢ɻ

ߨٛࢿྉஔ͖৔ ߨٛࢿྉஔ͖৔Λͭ͘Γ·ͨ͠ɻ աڈͷࢿྉ͕%-Ͱ͖·͢ɻ IUUQTHJUIVCDPNIJUPUTVCBTIJSVCZMFDUVSF PS IUUQCJUMZSVCZMFDUVSF

ࡶஊɾ࣭໰༻GBDFCPPLάϧʔϓ GBDFCPPLάϧʔϓΛ࡞Γ·ͨ͠ IUUQTXXXGBDFCPPLDPNHSPVQTIJUPUTVCBTIJSC ɾՃೖඇՃೖ͸ࣗ༝Ͱ͢ ɾՃೖඇՃೖ͸੒੷ʹؔ܎͠·ͤΜ ɾࢀՃऀҰཡ͸ެ։͞Ε·͢ ɾॻ͖ࠐΈ͸ࢀՃऀͷΈݟ͑·͢ ɾر๬ऀ͸ΞΫηεͯ͠ࢀՃਃ੥͍ͯͩ͘͠͞ ɾࡶஊɺ࣭໰ɺٞ࿦ͳͲԿͰ΋ؾʹͤͣͲ͏ͧʙ ɾ࣭໰ʹ౴͑ΒΕΔਓ͸౴͍͑ͯ͋͛ͯͩ͘͞
ɾߨࢣਞ΋͓౴͑͠·͢ ɾೖͬͨΒܰࣗ͘ݾ঺հ͓Ͷ͕͍͠·͢

Ruby and Rails 講義 第13回

Ruby and Rails 講義 第13回

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Ruby and Rails 講義第13回

Ruby and Rails 講義第13回