Ruby on Rails講義 第18回, 第19回 Rails基礎

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1. 3VCZPO3BJMTߨٛ
   ୈճ ୈճ3BJMTجૅ
   ,VOJBLJ*("3"4)*JHBJHB
   BUҰڮେֶ
   ࣾձՊֶʹ͓͚Δ৘ใٕज़ͱίϯςϯπ࡞੒*7
   χϑςΟגࣜձࣾدෟߨٛ
   
   

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2. χϑςΟגࣜձࣾ
   ఏڙ
   

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3. ߨࢣ
   ޒेཛྷ๜໌
   גࣜձࣾສ༿ɹΤϯδχΞ
   

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4. ࿈བྷ
   ݄೔ͷߨٛ͸ٳߨͰ͢ɻ
   

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5. ͓Έ͘͡ΞϓϦ
   IUUQXXXqJDLSDPNQIPUPTQPVDIJO
   

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6. ͓Έ͘͡ΞϓϦ׬੒༧૝Πϝʔδ
   

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7. ͓Έ͘͡ΞϓϦͭ͘Γ
   खॱ
   3VCZͰ͓Έ͘͡ΫϥεΛ࡞Δ
   3BJMTͰΞϓϦΛ࡞Δ
   ΞϓϦʹ͓Έ͘͡ΫϥεΛ૊ΈࠐΉ
   

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8. ͓Έ͘͡ΞϓϦͭ͘Γ
   खॱ
   3VCZͰ͓Έ͘͡ΫϥεΛ࡞Δ
   3BJMTͰΞϓϦΛ࡞Δ
   ΞϓϦʹ͓Έ͘͡ΫϥεΛ૊ΈࠐΉ
   

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9. 3VCZͰ͓Έ͘͡ΫϥεΛ࡞Δ
   ཁ݅
   ˞ཁ݅ຬͨ͢΂͖৚݅
   
   

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10. 3VCZͰ࡞Δ͓Έ͘͡Ϋϥεཁ݅
    ͓Έ͘͡ɺϥοΩʔΧϥʔɺ
    ϥοΩʔͳํ֯ΛऔಘՄೳɻ಺༰͸ҎԼɻ
    ͓Έ͘͡
    େ٢٢த٢খ٢ڟ
    ϥοΩʔΧϥʔ
    ੺੨ԫ྘
    ϥοΩʔͳํ֯
    ౦੢ೆ๺
    

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11. 3VCZͰ࡞Δ͓Έ͘͡Ϋϥεཁ݅
    ͓Έ͘͡͸ϥϯμϜͰ݁Ռ͕มΘΔΑ͏
    ʹ͍ͯͩ͘͠͞ɻ
    ຖճಉ݁͡ՌʹͳΒͳ͍Α͏ʹͯͩ͘͠͞
    ͍ɻ
    
    

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12. 3VCZͰ࡞Δ͓Έ͘͡Ϋϥεཁ݅
    JSCͰ࣍ͷΑ͏ʹ࣮ߦ͢Δͱɺ಺༰ͷೖ
    ͓ͬͨΈ͘͡ͷ݁Ռ͕ʮ͓Έ͘͡ΦϒδΣ
    Ϋτʯͱͯ͠औಘͰ͖ΔΑ͏ʹ͠·͢ɻ
    ͭ·ΓɺPNJLVKJSCΛ࡞ͬͯͦͷதʹ
    0NJLVKJΫϥεΛ࣮૷͠·͢ɻ
    
    SFRVJSFPNJLVKJ
    PNJLVKJ0NJLVKJOFX
    

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13. 3VCZͰ࡞Δ͓Έ͘͡Ϋϥεཁ݅
    ʮ͓Έ͘͡ΦϒδΣΫτʯ͔Β͸
    ࣍ͷΑ͏ʹͯ͠಺༰ΛࢀরͰ͖ΔΑ͏ʹ͠·͢ɻ
    PNJLVKJ0NJLVKJOFX
    PNJLVKJOBNFେ٢
    PNJLVKJMVDLZ@DPMPS੨
    PNJLVKJMVDLZ@EJSFDUJPOೆ
    

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14. ԋशɿ3VCZͰ࡞Δ͓Έ͘͡Ϋϥε
    ώϯτ
    ཚ਺ΛಘΔʹ͸SBOEΛ࢖͍·͢ɻͨͱ͑͹
    SBOE
    ͸ʙͷͲΕ͔Λฦ͠·͢ɻ
    ΫϥεOFXͨ͠ͱ͖ʹ͸ɺJOJUJBMJ[Fϝιο
    υ͕ݺ͹Ε·͢ɻ
    3VCZͷจ๏͸ߨٛࢿྉୈճɺ·ͨ͸ʮͨͷ
    ͍͠3VCZʯɺωοτΛࢀরͯ͠Έ͍ͯͩ͘͞ɻ
    IUUQTHJUIVCDPNIJUPUTVCBTIJSVCZMFDUVSF
    લड़ͷཁ݅Ͱ࣮૷͍ͯͩ͘͠͞ɻ
    

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15. 3VCZͰ࡞Δ͓Έ͘͡Ϋϥεಈ࡞֬ೝ
    ҎԼͷΑ͏ʹಈ͚͹0,Ͱ͢ɻJSCͰ࣮ߦͯ͠Έͯ
    ͍ͩ͘͞ɻ
    SFRVJSFPNJLVKJ
    PNJLVKJ0NJLVKJOFX
    PNJLVKJOBNFେ٢
    PNJLVKJMVDLZ@DPMPS੨
    PNJLVKJMVDLZ@EJSFDUJPOೆ
    JSC
    

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16. ղ౴ྫΛ࣍ͷϖʔδʹॻ͍͍ͯ·͢ɻ
    

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17. DPEJOHVUG
    DMBTT0NJLVKJ
    BUUS@SFBEFSOBNF MVDLZ@DPMPS MVDLZ@EJSFDUJPO
    EFGJOJUJBMJ[F
    !OBNFେ٢ ٢ த٢ খ٢ ڟ>

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18. DPEJOHVUG
    DMBTT0NJLVKJ
    BUUS@SFBEFSOBNF MVDLZ@DPMPS MVDLZ@EJSFDUJPO
    EFGJOJUJBMJ[F
    !OBNFେ٢ ٢ த٢ খ٢ ڟ>

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19. DPEJOHVUG
    DMBTT0NJLVKJ
    BUUS@SFBEFSOBNF MVDLZ@DPMPS MVDLZ@EJSFDUJPO
    EFGJOJUJBMJ[F
    !OBNFେ٢ ٢ த٢ খ٢ ڟ>

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20. DPEJOHVUG
    DMBTT0NJLVKJ
    BUUS@SFBEFSOBNF MVDLZ@DPMPS MVDLZ@EJSFDUJPO
    EFGJOJUJBMJ[F
    !OBNFେ٢ ٢ த٢ খ٢ ڟ>

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21. ͓Έ͘͡ΞϓϦͭ͘Γ
    खॱ
    3VCZͰ͓Έ͘͡ΫϥεΛ࡞Δ
    3BJMTͰΞϓϦΛ࡞Δ
    ΞϓϦʹ͓Έ͘͡ΫϥεΛ૊ΈࠐΉ
    3VCZͰಈ͓͘Έ͘͡Ϋϥε͕Ͱ͖·ͨ͠ɻʋ ˜A
    ϊ
    

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22. ͓Έ͘͡ΞϓϦͭ͘Γ
    खॱ
    3VCZͰ͓Έ͘͡ΫϥεΛ࡞Δ
    3BJMTͰΞϓϦΛ࡞Δ
    ΞϓϦʹ͓Έ͘͡ΫϥεΛ૊ΈࠐΉ
    ͭ͗͸3BJMTͰΞϓϦΛ࡞ͬͯΈ·͠ΐ͏ɻ
    ͔͜͜Β͸ԋशʹ͠·͢ɻࣗ෼ͰࢿྉΛಡΈͳ͕Β
    ࡞ͬͯΈ͍ͯͩ͘͞ɻ
    

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23. DEGPSUVOFT
    CVOEMFFYFDSBJMTHDPOUSPMMFSUPEBZJOEFY
    ͓Έ͘͡ΞϓϦͭ͘Γ
    3BJMT3PPU΁Ҡಈͯ͠ϖʔδͷͻͳ͕ͨΛͭ͘Δ
    IUUQMPDBMIPTUUPEBZJOEFY
    ϒϥ΢β͔ΒҎԼͷ63-ʹΞΫηε͢Δ
    ࠓ೔ͷӡ੎Λදࣔ͢ΔΞϓϦΛͭ͘Γ·͢ɻ
    CVOEMFFYFDSBJMTT
    SBJMTOFXGPSUVOFT
    3BJMTΞϓϦΛͭ͘Δ
    8FCαʔόΛىಈ͢Δ
    T͸TFSWFSͷུͰ͢ɻ˞ऴྃ͸$USMD PS$USM1BVTF
    
    ͜Μͳը໘͕ग़·͢‎
    

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24. ͓Έ͘͡ΞϓϦͭ͘Γ
    खॱ
    3VCZͰ͓Έ͘͡ΫϥεΛ࡞Δ
    3BJMTͰΞϓϦΛ࡞Δ
    ΞϓϦʹ͓Έ͘͡ΫϥεΛ૊ΈࠐΉ
    ͦͯ͠ɺ͜͜·Ͱʹ࡞ͬͨͭΛ૊Έ߹Θͤ·͢ɻ
    

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25. ࠓ೔ͷӡ੎Λදࣔͤ͞Δ
    PNJLVKJSCΛMJCͷԼʹίϐʔ͠·͢ɻ
    MJCPNJLVKJSC
    ͱ͍͏ϑΝΠϧ͕͋ΔΑ͏ʹ഑ஔ͢Ε͹0,Ͱ͢ɻ
    

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26. IUUQMPDBMIPTUUPEBZJOEFY
    ࠓ೔ͷӡ੎Λදࣔͤ͞Δ
    ͜Μͳը໘͕ग़Ε͹0,Ͱ͢ɻ‎
    I)FMMPJOEFYI
    Q'JOENFJOBQQWJFXTUPEBZJOEFYIUNMFSCQ
    BQQWJFXTUPEBZJOEFYIUNMFSC
    ͱͳ͍ͬͯΔͱ͜ΖΛҎԼͷΑ͏ʹमਖ਼͠·͢ɻ
    SFRVJSFMJCPNJLVKJSC
    !PNJLVKJ0NJLVKJOFX
    Iࠓ೔ͷӡ੎I
    I!PNJLVKJOBNFI
    QϥοΩʔΧϥʔɿ!PNJLVKJMVDLZ@DPMPSQ
    QϥοΩʔͳํ֯ɿ!PNJLVKJMVDLZ@EJSFDUJPOQ
    ͖͞΄Ͳಉ༷ʹϒϥ΢βͰҎԼ΁ΞΫηε
    ࣍ʹɺ
    

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27. ղઆɿ7JFXʹ3VCZͷίʔυΛຒΊࠐΉ
    7JFXʹ3VCZͷίʔυΛຒΊࠐΉͭͷύʔπ͕͋Γ·͢ɻ
    ͱͰ͢ɻ
    !PNJLVKJ0NJLVKJOFX
    Ͱғ·Εͨ3VCZͷίʔυΛ࣮ߦͯ͠ɺ݁ՌΛग़ྗ͠·
    ͢ɻද͍ࣔͨ͠ͱ͖ʹ࢖͍·͢ɻ
    QϥοΩʔΧϥʔɿ!PNJLVKJMVDLZ@DPMPSQ
    
    ྫ
    ྫ
    Ͱғ·Εͨ3VCZͷίʔυΛ࣮ߦ͠·͕͢ɺ݁ՌΛग़ྗ
    ͠·ͤΜɻॲཧ͚ͩΛߦ͏৔߹ʹ࢖͍·͢ɻ
    ʹ
    

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28. $POUSPMMFS΁ॲཧΛҠಈ͢Δ
    7JFX͸දࣔΛ͢Δ໾ׂΛड͚࣋ͭ෦෼ͳͷͰɺදࣔ෦෼͚ͩΛ࢒ͯ͠
    ॲཧ͸ίϯτϩʔϥ΁Ҡಈ͠·͢ɻ
    ҎԼͷϑΝΠϧΛมߋͯ͠ɺϒϥ΢β͔ΒΞΫηεͯ͠Έ͍ͯͩ͘͞ɻ
    BQQWJFXTUPEBZJOEFYIUNMFSC
    SFRVJSFMJCPNJLVKJSC
    DMBTT)FMMP$POUSPMMFS"QQMJDBUJPO$POUSPMMFS
    EFGJOEFY
    !PNJLVKJ0NJLVKJOFX
    FOE
    FOE
    BQQDPOUSPMMFSTUPEBZ@DPOUSPMMFSSC
    ˞͜ͷΑ͏ʹʮ֎͔ΒݟͨৼΔ෣͍Λม͑ͣʹίʔυ੔ཧ͢Δʯ
    ͜ͱΛϦϑΝΫλϦϯάͱݴ͍·͢ɻ
    SFRVJSFMJCPNJLVKJSC
    !PNJLVKJ0NJLVKJOFX
    Iࠓ೔ͷӡ੎I
    I!PNJLVKJOBNFI
    QϥοΩʔΧϥʔɿ!PNJLVKJMVDLZ@DPMPSQ
    QϥοΩʔͳํ֯ɿ!PNJLVKJMVDLZ@EJSFDUJPOQ
    ‏͜ͷߦΛ࡟আ
    

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29. ׬੒Ͱ͢ʂ
    ͓͔ͭΕ͞·Ͱͨ͠
    

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30. ͸΍͘ऴΘͬͨਓ͸
    ɾ$PEFDBEFNZͷ3VCZฤΛ΍ͬͯΈΔ
    $PEFDBEFNZ͸ΦϯϥΠϯֶशαΠτͰ͢ɻ
    ࣮ࡍʹϒϥ΢β্Ͱ࣮ߦͯ͠౴͑͋ΘͤΛͰ͖Δͷ͕ศརɻ
    IUUQXXXDPEFDBEFNZDPNUSBDLTSVCZ
    ɾϛχπΫͷ3VCZೖ໳ฤΛ΍ͬͯΈΔ
    ϛχπΫ͸ΦϯϥΠϯֶशαΠτͰ͢ɻ ೔ຊޠ
    
    આ໌͕ͱͯ΋ஸೡͰΘ͔Γ΍͍͢Ͱ͢ɻ
    IUUQXXXNJOJUVLVOFU
    

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31. ‑໰୊จ ͜͜ʹίʔυΛॻ͘
    Ͱ͖ͨΒ3VO‎
    ݁Ռ͕දࣔ͞ΕΔ
    $PEFDBEFNZ
    

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

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34. 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·͢
    

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