{"id":647,"date":"2026-03-29T19:11:25","date_gmt":"2026-03-29T19:11:25","guid":{"rendered":"https:\/\/www.visualize-ai.com\/vi\/state-diagram-foundations-guide\/"},"modified":"2026-03-29T19:11:25","modified_gmt":"2026-03-29T19:11:25","slug":"state-diagram-foundations-guide","status":"publish","type":"post","link":"https:\/\/www.visualize-ai.com\/vi\/state-diagram-foundations-guide\/","title":{"rendered":"C\u01a1 s\u1edf s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i: T\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n bi\u1ebft tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u"},"content":{"rendered":"

Hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1ch m\u1ed9t h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng theo th\u1eddi gian l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng \u0111\u1ec3 thi\u1ebft k\u1ebf ph\u1ea7n m\u1ec1m b\u1ec1n v\u1eefng v\u00e0 c\u00e1c quy tr\u00ecnh c\u01a1 kh\u00ed ph\u1ee9c t\u1ea1p. S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i, cung c\u1ea5p t\u1eeb v\u1ef1ng tr\u1ef1c quan \u0111\u1ec3 m\u00f4 ph\u1ecfng h\u00e0nh vi n\u00e0y. N\u00f3 ghi l\u1ea1i b\u1ea3n ch\u1ea5t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng, cho th\u1ea5y c\u00e1ch h\u1ec7 th\u1ed1ng chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i n\u00e0y sang tr\u1ea1ng th\u00e1i kh\u00e1c d\u1ef1a tr\u00ean c\u00e1c s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t c\u1ee5 th\u1ec3. H\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00e1m ph\u00e1 c\u00e1c kh\u00e1i ni\u1ec7m n\u1ec1n t\u1ea3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a c\u00e1c h\u00e0nh vi n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, \u0111\u1ea3m b\u1ea3o s\u1ef1 r\u00f5 r\u00e0ng trong thi\u1ebft k\u1ebf v\u00e0 tri\u1ec3n khai.<\/p>\n

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\"Line<\/figure>\n<\/div>\n

S\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i l\u00e0 g\u00ec? \ud83e\udd14<\/h2>\n

S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i l\u00e0 m\u1ed9t lo\u1ea1i s\u01a1 \u0111\u1ed3 h\u00e0nh vi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m v\u00e0 m\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng. N\u00f3 minh h\u1ecda c\u00e1c tr\u1ea1ng th\u00e1i r\u1eddi r\u1ea1c m\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng ho\u1eb7c h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 chi\u1ebfm gi\u1eef v\u00e0 c\u00e1c chuy\u1ec3n ti\u1ebfp gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i \u0111\u00f3. Kh\u00e1c v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 t\u0129nh th\u1ec3 hi\u1ec7n c\u1ea5u tr\u00fac, m\u00f4 h\u00ecnh n\u00e0y t\u1eadp trung v\u00e0o lu\u1ed3ng v\u00e0 logic. N\u00f3 tr\u1ea3 l\u1eddi nh\u1eefng c\u00e2u h\u1ecfi c\u01a1 b\u1ea3n: \u0110i\u1ec1u g\u00ec x\u1ea3y ra khi m\u1ed9t s\u1ef1 ki\u1ec7n x\u1ea3y ra? H\u1ec7 th\u1ed1ng ph\u1ea3n \u1ee9ng nh\u01b0 th\u1ebf n\u00e0o? Nh\u1eefng \u0111i\u1ec1u ki\u1ec7n n\u00e0o ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh ti\u1ebfp?<\/p>\n

C\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean l\u00fd thuy\u1ebft to\u00e1n h\u1ecdc v\u1ec1 m\u00e1y tr\u1ea1ng th\u00e1i h\u1eefu h\u1ea1n. Ch\u00fang \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 c\u00e1c ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng r\u00f5 r\u1ec7t. V\u00ed d\u1ee5, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u00e8n giao th\u00f4ng, tr\u00ecnh t\u1ef1 \u0111\u0103ng nh\u1eadp ho\u1eb7c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n thang m\u00e1y \u0111\u1ec1u tu\u00e2n theo c\u00e1c h\u00e0nh tr\u00ecnh c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c. B\u1eb1ng c\u00e1ch bi\u1ec3u di\u1ec5n c\u00e1c h\u00e0nh tr\u00ecnh n\u00e0y m\u1ed9t c\u00e1ch tr\u1ef1c quan, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c kho\u1ea3ng tr\u1ed1ng logic, c\u00e1c t\u00ecnh tr\u1ea1ng k\u1eb9t ho\u1eb7c c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf.<\/p>\n

C\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i \ud83e\udde9<\/h2>\n

\u0110\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t s\u01a1 \u0111\u1ed3 c\u00f3 \u00fd ngh\u0129a, ng\u01b0\u1eddi ta ph\u1ea3i hi\u1ec3u r\u00f5 c\u00e1c kh\u1ed1i x\u00e2y d\u1ef1ng. M\u1ed7i th\u00e0nh ph\u1ea7n \u0111\u1ec1u c\u00f3 m\u1ed9t m\u1ee5c \u0111\u00edch c\u1ee5 th\u1ec3 trong vi\u1ec7c \u0111\u1ecbnh ngh\u0129a v\u00f2ng \u0111\u1eddi c\u1ee7a h\u1ec7 th\u1ed1ng. C\u00e1c th\u00e0nh ph\u1ea7n sau \u0111\u00e2y t\u1ea1o th\u00e0nh khung x\u01b0\u01a1ng cho b\u1ea5t k\u1ef3 m\u00f4 h\u00ecnh tr\u1ea1ng th\u00e1i n\u00e0o.<\/p>\n

    \n
  • Tr\u1ea1ng th\u00e1i:<\/strong> M\u1ed9t \u0111i\u1ec1u ki\u1ec7n ho\u1eb7c t\u00ecnh hu\u1ed1ng trong \u0111\u00f3 h\u1ec7 th\u1ed1ng th\u1ef1c hi\u1ec7n m\u1ed9t ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c ch\u1edd \u0111\u1ee3i m\u1ed9t s\u1ef1 ki\u1ec7n. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng h\u00ecnh ch\u1eef nh\u1eadt tr\u00f2n.<\/li>\n
  • Chuy\u1ec3n ti\u1ebfp:<\/strong> S\u1ef1 di chuy\u1ec3n t\u1eeb m\u1ed9t tr\u1ea1ng th\u00e1i n\u00e0y sang tr\u1ea1ng th\u00e1i kh\u00e1c. N\u00f3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t m\u0169i t\u00ean n\u1ed1i hai tr\u1ea1ng th\u00e1i.<\/li>\n
  • S\u1ef1 ki\u1ec7n:<\/strong> M\u1ed9t k\u00edch th\u00edch g\u00e2y ra chuy\u1ec3n ti\u1ebfp. \u0110\u00f3 l\u00e0 \u201cnguy\u00ean nh\u00e2n\u201d c\u1ee7a s\u1ef1 di chuy\u1ec3n.<\/li>\n
  • \u0110i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7:<\/strong> M\u1ed9t bi\u1ec3u th\u1ee9c logic ph\u1ea3i \u0111\u00fang \u0111\u1ec3 chuy\u1ec3n ti\u1ebfp x\u1ea3y ra. N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t b\u1ed9 l\u1ecdc cho s\u1ef1 ki\u1ec7n.<\/li>\n
  • H\u00e0nh \u0111\u1ed9ng:<\/strong> Ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong qu\u00e1 tr\u00ecnh chuy\u1ec3n ti\u1ebfp ho\u1eb7c khi \u1edf trong m\u1ed9t tr\u1ea1ng th\u00e1i. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0 ho\u1ea1t \u0111\u1ed9ng nh\u1eadp, xu\u1ea5t ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng n\u1ed9i b\u1ed9.<\/li>\n
  • Tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u:<\/strong> \u0110i\u1ec3m b\u1eaft \u0111\u1ea7u c\u1ee7a s\u01a1 \u0111\u1ed3, th\u01b0\u1eddng l\u00e0 m\u1ed9t h\u00ecnh tr\u00f2n t\u00f4 \u0111\u1ea7y.<\/li>\n
  • Tr\u1ea1ng th\u00e1i k\u1ebft th\u00fac:<\/strong> \u0110i\u1ec3m k\u1ebft th\u00fac, \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t h\u00ecnh tr\u00f2n t\u00f4 \u0111\u1ea7y n\u1eb1m trong m\u1ed9t h\u00ecnh tr\u00f2n l\u1edbn h\u01a1n.<\/li>\n<\/ul>\n

    Ph\u00e2n bi\u1ec7t s\u1ef1 ki\u1ec7n v\u1edbi h\u00e0nh \u0111\u1ed9ng \u26a1<\/h3>\n

    S\u1ef1 nh\u1ea7m l\u1eabn th\u01b0\u1eddng x\u1ea3y ra gi\u1eefa s\u1ef1 ki\u1ec7n v\u00e0 h\u00e0nh \u0111\u1ed9ng. S\u1ef1 ki\u1ec7n l\u00e0 \u0111\u1ea7u k\u00edch ho\u1ea1t; h\u00e0nh \u0111\u1ed9ng l\u00e0 k\u1ebft qu\u1ea3. H\u00e3y xem x\u00e9t m\u1ed9t c\u01a1 ch\u1ebf c\u1eeda. S\u1ef1 ki\u1ec7n l\u00e0 \u201cb\u1ea5m n\u00fat\u201d. H\u00e0nh \u0111\u1ed9ng l\u00e0 \u201cm\u1edf kh\u00f3a \u0111\u1ed9ng c\u01a1\u201d. Tr\u1ea1ng th\u00e1i thay \u0111\u1ed5i t\u1eeb \u201c\u0111\u00f3ng kh\u00f3a\u201d sang \u201cm\u1edf kh\u00f3a\u201d. Hi\u1ec3u r\u00f5 s\u1ef1 ph\u00e2n bi\u1ec7t n\u00e0y gi\u00fap tr\u00e1nh c\u00e1c l\u1ed7i logic khi gi\u1ea3 \u0111\u1ecbnh c\u00e1c hi\u1ec7u \u1ee9ng ph\u1ee5 x\u1ea3y ra m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a r\u00f5 r\u00e0ng.<\/p>\n

    K\u00fd hi\u1ec7u v\u00e0 c\u00fa ph\u00e1p tr\u1ef1c quan \ud83c\udfa8<\/h2>\n

    Ti\u00eau chu\u1ea9n h\u00f3a k\u00fd hi\u1ec7u \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea5t k\u1ef3 ai \u0111\u1ecdc s\u01a1 \u0111\u1ed3 \u0111\u1ec1u hi\u1ec3u \u0111\u01b0\u1ee3c logic \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u01b0\u1edbng. M\u1eb7c d\u00f9 c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t, Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML) cung c\u1ea5p m\u1ed9t ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn r\u1ed9ng r\u00e3i.<\/p>\n

      \n
    • Tr\u1ea1ng th\u00e1i:<\/strong> \u0110\u01b0\u1ee3c v\u1ebd d\u01b0\u1edbi d\u1ea1ng h\u00ecnh ch\u1eef nh\u1eadt tr\u00f2n. T\u00ean tr\u1ea1ng th\u00e1i n\u1eb1m \u1edf ph\u00eda tr\u00ean. C\u00e1c ph\u1ea7n ph\u1ee5 t\u00f9y ch\u1ecdn c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh h\u00e0nh \u0111\u1ed9ng nh\u1eadp, th\u1ef1c hi\u1ec7n v\u00e0 xu\u1ea5t.<\/li>\n
    • Chuy\u1ec3n ti\u1ebfp:<\/strong> C\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng ho\u1eb7c cong c\u00f3 \u0111\u1ea7u m\u0169i t\u00ean. Nh\u00e3n s\u1ef1 ki\u1ec7n n\u1eb1m ph\u00eda tr\u00ean \u0111\u01b0\u1eddng. \u0110i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c \u0111\u1eb7t trong d\u1ea5u ngo\u1eb7c vu\u00f4ng, v\u00ed d\u1ee5: [s\u1ed1 d\u01b0 > 0].<\/li>\n
    • N\u00fat kh\u1edfi \u0111\u1ea7u:<\/strong> M\u1ed9t h\u00ecnh tr\u00f2n nh\u1ecf m\u00e0u \u0111en ch\u1eafc. Chuy\u1ec3n ti\u1ebfp xu\u1ea5t ph\u00e1t t\u1eeb \u0111\u00e2y.<\/li>\n
    • N\u00fat k\u1ebft th\u00fac:<\/strong> M\u1ed9t h\u00ecnh tr\u00f2n \u0111en ch\u1eafc bao quanh b\u1edfi m\u1ed9t v\u00e0nh tr\u00f2n. Kh\u00f4ng c\u00f3 chuy\u1ec3n ti\u1ebfp n\u00e0o n\u00ean r\u1eddi kh\u1ecfi n\u00fat n\u00e0y.<\/li>\n<\/ul>\n

      Kh\u00e1m ph\u00e1 s\u00e2u: C\u00e1c kh\u00e1i ni\u1ec7m tr\u1ea1ng th\u00e1i n\u00e2ng cao \ud83d\udd0d<\/h2>\n

      C\u00e1c lu\u1ed3ng tuy\u1ebfn t\u00ednh \u0111\u01a1n gi\u1ea3n th\u01b0\u1eddng kh\u00f4ng \u0111\u1ee7 cho c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p. C\u00e1c kh\u00e1i ni\u1ec7m n\u00e2ng cao cho ph\u00e9p nh\u00fang, \u0111\u1ed3ng th\u1eddi v\u00e0 theo d\u00f5i l\u1ecbch s\u1eed. Nh\u1eefng t\u00ednh n\u0103ng n\u00e0y l\u00e0m s\u00e2u s\u1eafc m\u00f4 h\u00ecnh m\u00e0 kh\u00f4ng l\u00e0m r\u1ed1i logic.<\/p>\n

      Tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh<\/h3>\n

      Khi m\u1ed9t tr\u1ea1ng th\u00e1i ch\u1ee9a c\u00e1c tr\u1ea1ng th\u00e1i kh\u00e1c, n\u00f3 tr\u1edf th\u00e0nh tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p m\u00f4 h\u00ecnh h\u00f3a ph\u00e2n c\u1ea5p. V\u00ed d\u1ee5, tr\u1ea1ng th\u00e1i \u201cB\u1ea3o tr\u00ec\u201d c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c tr\u1ea1ng th\u00e1i con nh\u01b0 \u201cCh\u1ea9n \u0111o\u00e1n\u201d v\u00e0 \u201cS\u1eeda ch\u1eefa\u201d. S\u1ef1 tr\u1eebu t\u01b0\u1ee3ng n\u00e0y gi\u1eef cho s\u01a1 \u0111\u1ed3 c\u1ea5p cao \u0111\u01b0\u1ee3c g\u1ecdn g\u00e0ng trong khi v\u1eabn b\u1ea3o to\u00e0n chi ti\u1ebft \u1edf c\u1ea5p \u0111\u1ed9 th\u1ea5p h\u01a1n.<\/p>\n

        \n
      • \u0110i\u1ec3m v\u00e0o:<\/strong> N\u01a1i tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh b\u1eaft \u0111\u1ea7u.<\/li>\n
      • \u0110i\u1ec3m ra:<\/strong> N\u01a1i tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh k\u1ebft th\u00fac.<\/li>\n
      • Chuy\u1ec3n ti\u1ebfp m\u1eb7c \u0111\u1ecbnh:<\/strong> Tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u b\u00ean trong kh\u1ed1i h\u1ee3p th\u00e0nh.<\/li>\n<\/ul>\n

        Tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed<\/h3>\n

        \u0110\u00f4i khi, m\u1ed9t h\u1ec7 th\u1ed1ng c\u1ea7n nh\u1edb n\u01a1i n\u00f3 d\u1eebng l\u1ea1i tr\u01b0\u1edbc khi r\u1eddi kh\u1ecfi m\u1ed9t tr\u1ea1ng th\u00e1i. M\u1ed9t tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed ghi l\u1ea1i \u0111i\u1ec1u n\u00e0y. Khi h\u1ec7 th\u1ed1ng quay l\u1ea1i tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh, n\u00f3 c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c t\u1eeb tr\u1ea1ng th\u00e1i con c\u1ee5 th\u1ec3 m\u00e0 n\u00f3 t\u1eebng \u1edf tr\u01b0\u1edbc \u0111\u00f3, thay v\u00ec tr\u1edf v\u1ec1 tr\u1ea1ng th\u00e1i m\u1eb7c \u0111\u1ecbnh.<\/p>\n

          \n
        • L\u1ecbch s\u1eed n\u00f4ng (H):<\/strong> Nh\u1edb tr\u1ea1ng th\u00e1i con ho\u1ea1t \u0111\u1ed9ng cu\u1ed1i c\u00f9ng c\u1ee7a cha tr\u1ef1c ti\u1ebfp.<\/li>\n
        • L\u1ecbch s\u1eed s\u00e2u (H c\u00f3 h\u00ecnh tr\u00f2n):<\/strong> Nh\u1edb tr\u1ea1ng th\u00e1i n\u1eb1m s\u00e2u trong c\u00e1c c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p l\u1ed3ng nhau.<\/li>\n<\/ul>\n

          Tr\u1ea1ng th\u00e1i \u0111\u1ed3ng th\u1eddi<\/h3>\n

          Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u1ec1u di chuy\u1ec3n \u0111\u1ed3ng b\u1ed9. T\u00ednh \u0111\u1ed3ng th\u1eddi cho ph\u00e9p nhi\u1ec1u m\u00e1y tr\u1ea1ng th\u00e1i ch\u1ea1y \u0111\u1ed3ng th\u1eddi. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t thanh \u0111\u1ee9ng (nh\u00e1nh chia) t\u00e1ch th\u00e0nh nhi\u1ec1u v\u00f9ng tr\u1ef1c giao. V\u00ed d\u1ee5, m\u1ed9t \u0111i\u1ec7n tho\u1ea1i c\u00f3 th\u1ec3 x\u1eed l\u00fd \u201cb\u00e1o g\u1ecdi\u201d v\u00e0 \u201cm\u00e0n h\u00ecnh b\u1eadt\u201d m\u1ed9t c\u00e1ch \u0111\u1ed9c l\u1eadp.<\/p>\n

          Thi\u1ebft k\u1ebf c\u00e1c chuy\u1ec3n ti\u1ebfp hi\u1ec7u qu\u1ea3 \ud83d\udd04<\/h2>\n

          Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o c\u00e1ch qu\u1ea3n l\u00fd c\u00e1c chuy\u1ec3n ti\u1ebfp. C\u00e1c chuy\u1ec3n ti\u1ebfp \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a k\u00e9m s\u1ebd d\u1eabn \u0111\u1ebfn h\u00e0nh vi m\u01a1 h\u1ed3. C\u00e1c nguy\u00ean t\u1eafc sau \u0111\u00e2y d\u1eabn d\u1eaft vi\u1ec7c thi\u1ebft k\u1ebf chuy\u1ec3n ti\u1ebfp v\u1eefng ch\u1eafc.<\/p>\n

            \n
          • R\u00f5 r\u00e0ng:<\/strong> M\u1ed7i chuy\u1ec3n ti\u1ebfp n\u00ean c\u00f3 nh\u00e3n r\u00f5 r\u00e0ng. Tr\u00e1nh d\u00f9ng c\u00e1c thu\u1eadt ng\u1eef chung nh\u01b0 \u201c\u0111i\u201d hay \u201cdi chuy\u1ec3n\u201d.<\/li>\n
          • \u0110\u1ea7y \u0111\u1ee7:<\/strong> \u0110\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 c\u00e1c s\u1ef1 ki\u1ec7n c\u1ea7n thi\u1ebft \u0111\u1ec1u \u0111\u01b0\u1ee3c bao ph\u1ee7. N\u1ebfu m\u1ed9t tr\u1ea1ng th\u00e1i kh\u00f4ng th\u1ec3 x\u1eed l\u00fd m\u1ed9t s\u1ef1 ki\u1ec7n, n\u00f3 n\u00ean b\u1ecf qua ho\u1eb7c c\u00f3 \u0111\u01b0\u1eddng d\u1eabn l\u1ed7i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5.<\/li>\n
          • \u0110i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7:<\/strong> S\u1eed d\u1ee5ng \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a nh\u00e3n chuy\u1ec3n ti\u1ebfp. Thay v\u00ec g\u00e1n nh\u00e3n cho m\u0169i t\u00ean l\u00e0 \u201clogin_success\u201d, h\u00e3y g\u00e1n nh\u00e3n l\u00e0 \u201clogin\u201d v\u00e0 th\u00eam \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 [valid_credentials].<\/li>\n
          • Kh\u00f4ng c\u00f3 k\u1eb9t ch\u1ebft:<\/strong> \u0110\u1ea3m b\u1ea3o lu\u00f4n c\u00f3 m\u1ed9t con \u0111\u01b0\u1eddng tho\u00e1t ra kh\u1ecfi m\u1ed7i tr\u1ea1ng th\u00e1i, tr\u1eeb khi \u0111\u00f3 l\u00e0 tr\u1ea1ng th\u00e1i cu\u1ed1i.<\/li>\n
          • Ph\u00e1t hi\u1ec7n v\u00f2ng l\u1eb7p:<\/strong> Theo d\u00f5i c\u00e1c v\u00f2ng l\u1eb7p v\u00f4 h\u1ea1n n\u01a1i h\u1ec7 th\u1ed1ng l\u1eb7p l\u1ea1i m\u00e0 kh\u00f4ng ti\u1ebfn tri\u1ec3n.<\/li>\n<\/ul>\n

            L\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng \ud83c\udf0d<\/h2>\n

            S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i l\u00e0 c\u00f4ng c\u1ee5 linh ho\u1ea1t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau. \u1ee8ng d\u1ee5ng c\u1ee7a ch\u00fang kh\u00f4ng ch\u1ec9 gi\u1edbi h\u1ea1n trong logic ph\u1ea7n m\u1ec1m \u0111\u01a1n gi\u1ea3n m\u00e0 c\u00f2n m\u1edf r\u1ed9ng sang thi\u1ebft k\u1ebf ph\u1ea7n c\u1ee9ng v\u00e0 giao th\u1ee9c.<\/p>\n\n\n\n\n\n\n\n\n\n
            L\u0129nh v\u1ef1c<\/th>\nTr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th>\nL\u1ee3i \u00edch<\/th>\n<\/tr>\n<\/thead>\n
            H\u1ec7 th\u1ed1ng nh\u00fang<\/td>\nLogic vi \u0111i\u1ec1u khi\u1ec3n, \u0111\u1ecdc d\u1eef li\u1ec7u c\u1ea3m bi\u1ebfn<\/td>\n\u0110\u1ea3m b\u1ea3o ph\u1ea7n c\u1ee9ng ph\u1ea3n h\u1ed3i \u0111\u00fang c\u00e1ch v\u1edbi c\u00e1c ng\u1eaft<\/td>\n<\/tr>\n
            \u1ee8ng d\u1ee5ng web<\/td>\nQuy tr\u00ecnh x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng, quy tr\u00ecnh thanh to\u00e1n<\/td>\nNg\u0103n ng\u01b0\u1eddi d\u00f9ng b\u1ecf qua c\u00e1c b\u01b0\u1edbc ho\u1eb7c g\u1eb7p l\u1ed7i<\/td>\n<\/tr>\n
            Giao th\u1ee9c m\u1ea1ng<\/td>\nTr\u1ea1ng th\u00e1i k\u1ebft n\u1ed1i TCP, x\u1eed l\u00fd g\u00f3i d\u1eef li\u1ec7u<\/td>\nTi\u00eau chu\u1ea9n h\u00f3a \u0111\u1ed9 tin c\u1eady giao ti\u1ebfp<\/td>\n<\/tr>\n
            T\u1ef1 \u0111\u1ed9ng h\u00f3a quy tr\u00ecnh l\u00e0m vi\u1ec7c<\/td>\nChu\u1ed7i ph\u00ea duy\u1ec7t, qu\u1ea3n l\u00fd nhi\u1ec7m v\u1ee5<\/td>\nTr\u1ef1c quan h\u00f3a c\u00e1c \u0111i\u1ec3m ngh\u1ebdn v\u00e0 \u0111i\u1ec3m ra quy\u1ebft \u0111\u1ecbnh<\/td>\n<\/tr>\n
            Ph\u00e1t tri\u1ec3n tr\u00f2 ch\u01a1i<\/td>\nTr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o nh\u00e2n v\u1eadt, tr\u1ea1ng th\u00e1i c\u1ea5p \u0111\u1ed9<\/td>\nQu\u1ea3n l\u00fd c\u00e1c c\u00e2y h\u00e0nh vi ph\u1ee9c t\u1ea1p m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1ch tr\u00e1nh ch\u00fang \u26a0\ufe0f<\/h2>\n

            Ngay c\u1ea3 nh\u1eefng ng\u01b0\u1eddi m\u00f4 h\u00ecnh h\u00f3a c\u00f3 kinh nghi\u1ec7m c\u0169ng g\u1eb7p ph\u1ea3i th\u00e1ch th\u1ee9c. Nh\u1eadn di\u1ec7n nh\u1eefng v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn n\u00e0y gi\u00fap duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a thi\u1ebft k\u1ebf.<\/p>\n

            1. S\u01a1 \u0111\u1ed3 M\u00ec \u0103n li\u1ec1n<\/h3>\n

            Khi m\u1ed9t s\u01a1 \u0111\u1ed3 tr\u1edf n\u00ean qu\u00e1 d\u00e0y \u0111\u1eb7c v\u1edbi c\u00e1c m\u0169i t\u00ean ch\u00e9o nhau, n\u00f3 s\u1ebd m\u1ea5t t\u00ednh d\u1ec5 \u0111\u1ecdc. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng x\u1ea3y ra khi c\u1ed1 g\u1eafng m\u00f4 h\u00ecnh h\u00f3a qu\u00e1 nhi\u1ec1u tr\u1ea1ng th\u00e1i c\u00f9ng m\u1ed9t l\u00fac. \u0110\u1ec3 kh\u1eafc ph\u1ee5c, h\u00e3y chia h\u1ec7 th\u1ed1ng th\u00e0nh c\u00e1c m\u00e1y con. S\u1eed d\u1ee5ng c\u00e1c tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh \u0111\u1ec3 nh\u00f3m c\u00e1c h\u00e0nh vi li\u00ean quan.<\/p>\n

            2. Tr\u1ea1ng th\u00e1i kh\u00f4ng th\u1ec3 ti\u1ebfp c\u1eadn<\/h3>\n

            M\u1ed9t tr\u1ea1ng th\u00e1i l\u00e0 kh\u00f4ng th\u1ec3 ti\u1ebfp c\u1eadn n\u1ebfu kh\u00f4ng c\u00f3 chuy\u1ec3n ti\u1ebfp n\u00e0o d\u1eabn \u0111\u1ebfn n\u00f3. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng cho th\u1ea5y l\u1ed7i thi\u1ebft k\u1ebf khi \u0111\u00e3 b\u1ecf s\u00f3t m\u1ed9t \u0111i\u1ec1u ki\u1ec7n. H\u00e3y xem x\u00e9t l\u1ea1i tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u v\u00e0 \u0111\u1ea3m b\u1ea3o m\u1ecdi tr\u1ea1ng th\u00e1i \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a \u0111\u1ec1u c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c.<\/p>\n

            3. C\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 m\u01a1 h\u1ed3<\/h3>\n

            Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u01a1 h\u1ed3 nh\u01b0 ‘n\u1ebfu h\u1ee3p l\u1ec7’ m\u00e0 kh\u00f4ng \u0111\u1ecbnh ngh\u0129a r\u00f5 h\u1ee3p l\u1ec7 l\u00e0 g\u00ec s\u1ebd t\u1ea1o ra s\u1ef1 m\u01a1 h\u1ed3 trong tri\u1ec3n khai. C\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 ph\u1ea3i ch\u00ednh x\u00e1c. X\u00e1c \u0111\u1ecbnh r\u00f5 ki\u1ec3u d\u1eef li\u1ec7u v\u00e0 c\u00e1c gi\u00e1 tr\u1ecb mong \u0111\u1ee3i trong t\u00e0i li\u1ec7u.<\/p>\n

            4. B\u1ecf qua c\u00e1c tr\u1ea1ng th\u00e1i l\u1ed7i<\/h3>\n

            Nhi\u1ec1u m\u00f4 h\u00ecnh t\u1eadp trung v\u00e0o con \u0111\u01b0\u1eddng thu\u1eadn l\u1ee3i. Tuy nhi\u00ean, c\u00e1c h\u1ec7 th\u1ed1ng m\u1ea1nh m\u1ebd ph\u1ea3i x\u1eed l\u00fd l\u1ed7i. X\u00e1c \u0111\u1ecbnh r\u00f5 c\u00e1c tr\u1ea1ng th\u00e1i l\u1ed7i. V\u00ed d\u1ee5, n\u1ebfu y\u00eau c\u1ea7u m\u1ea1ng th\u1ea5t b\u1ea1i, h\u1ec7 th\u1ed1ng n\u00ean chuy\u1ec3n sang tr\u1ea1ng th\u00e1i ‘th\u1eed l\u1ea1i’ ho\u1eb7c ‘l\u1ed7i’, ch\u1ee9 kh\u00f4ng ph\u1ea3i s\u1eadp.<\/p>\n

            5. Tr\u1ed9n l\u1eabn c\u00e1c v\u1ea5n \u0111\u1ec1<\/h3>\n

            Kh\u00f4ng tr\u1ed9n logic c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng con kh\u00e1c nhau trong c\u00f9ng m\u1ed9t s\u01a1 \u0111\u1ed3. N\u1ebfu b\u1ea1n \u0111ang m\u00f4 h\u00ecnh h\u00f3a phi\u00ean ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u1ed5ng thanh to\u00e1n trong m\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i duy nh\u1ea5t, \u0111\u1ed9 ph\u1ee9c t\u1ea1p s\u1ebd b\u00f9ng n\u1ed5. T\u00e1ch bi\u1ec7t c\u00e1c v\u1ea5n \u0111\u1ec1 th\u00e0nh c\u00e1c s\u01a1 \u0111\u1ed3 ri\u00eang bi\u1ec7t, t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau th\u00f4ng qua s\u1ef1 ki\u1ec7n.<\/p>\n

            C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho t\u00e0i li\u1ec7u \ud83d\udcdd<\/h2>\n

            M\u1ed9t s\u01a1 \u0111\u1ed3 ch\u1ec9 c\u00f3 gi\u00e1 tr\u1ecb b\u1eb1ng v\u1edbi t\u00e0i li\u1ec7u \u0111i k\u00e8m. M\u00f4 h\u00ecnh tr\u1ef1c quan cung c\u1ea5p c\u1ea5u tr\u00fac, nh\u01b0ng v\u0103n b\u1ea3n cung c\u1ea5p ng\u1eef c\u1ea3nh.<\/p>\n

              \n
            • Ch\u00fa th\u00edch:<\/strong>H\u00e3y bao g\u1ed3m ch\u00fa th\u00edch n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng c\u00e1c k\u00fd hi\u1ec7u kh\u00f4ng chu\u1ea9n.<\/li>\n
            • Danh s\u00e1ch s\u1ef1 ki\u1ec7n:<\/strong>Cung c\u1ea5p m\u1ed9t danh s\u00e1ch ri\u00eang bi\u1ec7t cho t\u1ea5t c\u1ea3 c\u00e1c s\u1ef1 ki\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1 \u0111\u1ed3, k\u00e8m theo c\u00e1c tham s\u1ed1 c\u1ee7a ch\u00fang.<\/li>\n
            • M\u00f4 t\u1ea3 tr\u1ea1ng th\u00e1i:<\/strong>Th\u00eam ghi ch\u00fa v\u00e0o c\u00e1c tr\u1ea1ng th\u00e1i ph\u1ee9c t\u1ea1p \u0111\u1ec3 gi\u1ea3i th\u00edch logic n\u1ed9i b\u1ed9 m\u00e0 kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y trong h\u1ed9p.<\/li>\n
            • Ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n:<\/strong>Xem s\u01a1 \u0111\u1ed3 nh\u01b0 m\u00e3 ngu\u1ed3n. Theo d\u00f5i c\u00e1c thay \u0111\u1ed5i theo th\u1eddi gian \u0111\u1ec3 hi\u1ec3u qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n.<\/li>\n
            • V\u00f2ng ki\u1ec3m tra:<\/strong>Y\u00eau c\u1ea7u \u0111\u1ed3ng nghi\u1ec7p ki\u1ec3m tra s\u01a1 \u0111\u1ed3 tr\u01b0\u1edbc khi tri\u1ec3n khai b\u1eaft \u0111\u1ea7u. \u00c1nh m\u1eaft m\u1edbi s\u1ebd ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c c\u00e1c kho\u1ea3ng tr\u1ed1ng logic.<\/li>\n<\/ul>\n

              So s\u00e1nh c\u00e1c lo\u1ea1i tr\u1ea1ng th\u00e1i \u0111\u1ec3 r\u00f5 r\u00e0ng h\u01a1n \ud83d\udcca<\/h2>\n

              Hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c lo\u1ea1i tr\u1ea1ng th\u00e1i kh\u00e1c nhau s\u1ebd gi\u00fap ch\u1ecdn m\u1ee9c \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng ph\u00f9 h\u1ee3p. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y n\u00eau r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t.<\/p>\n\n\n\n\n\n\n\n\n
              Lo\u1ea1i tr\u1ea1ng th\u00e1i<\/th>\nH\u00e0nh vi<\/th>\nV\u00ed d\u1ee5<\/th>\n<\/tr>\n<\/thead>\n
              Tr\u1ea1ng th\u00e1i \u0111\u01a1n gi\u1ea3n<\/td>\nNguy\u00ean t\u1eed, kh\u00f4ng th\u1ec3 ph\u00e2n t\u00e1ch<\/td>\n\u0110ang ch\u1edd, \u0110ang ch\u1ea1y<\/td>\n<\/tr>\n
              Tr\u1ea1ng th\u00e1i t\u1ed5ng h\u1ee3p<\/td>\nCh\u1ee9a c\u00e1c tr\u1ea1ng th\u00e1i con<\/td>\n\u0110ang x\u1eed l\u00fd (bao g\u1ed3m X\u00e1c th\u1ef1c)<\/td>\n<\/tr>\n
              Tr\u1ea1ng th\u00e1i song song<\/td>\nCh\u1ea1y \u0111\u1ed3ng th\u1eddi v\u1edbi c\u00e1c tr\u1ea1ng th\u00e1i kh\u00e1c<\/td>\nTr\u1ea1ng th\u00e1i m\u1ea1ng v\u00e0 tr\u1ea1ng th\u00e1i ng\u01b0\u1eddi d\u00f9ng<\/td>\n<\/tr>\n
              Tr\u1ea1ng th\u00e1i m\u00e1y con<\/td>\nTham chi\u1ebfu \u0111\u1ebfn m\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i ho\u00e0n ch\u1ec9nh kh\u00e1c<\/td>\nTham chi\u1ebfu \u0111\u1ebfn m\u1ed9t m\u00e1y \u201c\u0110\u0103ng nh\u1eadp\u201d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              Xem x\u00e9t khi tri\u1ec3n khai \ud83d\udcbb<\/h2>\n

              Sau khi thi\u1ebft k\u1ebf ho\u00e0n t\u1ea5t, vi\u1ec7c chuy\u1ec3n sang tri\u1ec3n khai \u0111\u00f2i h\u1ecfi s\u1ef1 c\u1ea9n tr\u1ecdng. S\u01a1 \u0111\u1ed3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 t\u00e0i li\u1ec7u m\u00f4 t\u1ea3 cho m\u00e3 ngu\u1ed3n. C\u00e1c b\u01b0\u1edbc sau \u0111\u00e2y \u0111\u1ea3m b\u1ea3o s\u1ef1 \u0111\u1ed3ng b\u1ed9 gi\u1eefa thi\u1ebft k\u1ebf v\u00e0 th\u1ef1c t\u1ebf.<\/p>\n

                \n
              • C\u1ea5u tr\u00fac m\u00e3 ngu\u1ed3n:<\/strong>S\u1eafp x\u1ebfp m\u00e3 ngu\u1ed3n \u0111\u1ec3 ph\u1ea3n \u00e1nh th\u1ee9 t\u1ef1 ph\u00e2n c\u1ea5p c\u1ee7a tr\u1ea1ng th\u00e1i. S\u1eed d\u1ee5ng c\u00e1c l\u1edbp ho\u1eb7c module t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c tr\u1ea1ng th\u00e1i.<\/li>\n
              • Ph\u00e1t h\u00e0nh s\u1ef1 ki\u1ec7n:<\/strong>Th\u1ef1c hi\u1ec7n m\u1ed9t b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn trung t\u00e2m \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn c\u00e1c s\u1ef1 ki\u1ec7n \u0111\u1ebfn b\u1ed9 x\u1eed l\u00fd tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i.<\/li>\n
              • Ghi nh\u1eadt k\u00fd:<\/strong>Ghi l\u1ea1i c\u00e1c chuy\u1ec3n \u0111\u1ed5i tr\u1ea1ng th\u00e1i trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n. \u0110i\u1ec1u n\u00e0y h\u1ed7 tr\u1ee3 vi\u1ec7c g\u1ee1 l\u1ed7i khi h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng nh\u01b0 mong \u0111\u1ee3i.<\/li>\n
              • Ki\u1ec3m th\u1eed:<\/strong>Vi\u1ebft ki\u1ec3m th\u1eed cho m\u1ed7i chuy\u1ec3n \u0111\u1ed5i. X\u00e1c minh r\u1eb1ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 ng\u0103n c\u1ea3n c\u00e1c thao t\u00e1c h\u1ee3p l\u1ec7 v\u00e0 c\u00e1c h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c th\u1ef1c thi \u0111\u00fang c\u00e1ch.<\/li>\n
              • T\u00e1i c\u1ea5u tr\u00fac:<\/strong>N\u1ebfu h\u1ec7 th\u1ed1ng m\u1edf r\u1ed9ng, h\u00e3y c\u1eadp nh\u1eadt s\u01a1 \u0111\u1ed3. \u0110\u1eebng \u0111\u1ec3 m\u00e3 ngu\u1ed3n l\u1ec7ch kh\u1ecfi m\u00f4 h\u00ecnh.<\/li>\n<\/ul>\n

                C\u01a1 s\u1edf to\u00e1n h\u1ecdc \ud83e\uddee<\/h2>\n

                M\u1eb7c d\u00f9 m\u00f4 h\u00ecnh h\u00f3a th\u1ef1c t\u1ebf th\u01b0\u1eddng b\u1ecf qua to\u00e1n h\u1ecdc, nh\u01b0ng hi\u1ec3u r\u00f5 l\u00fd thuy\u1ebft s\u1ebd t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7. M\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i h\u1eefu h\u1ea1n \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a ch\u00ednh th\u1ee9c l\u00e0 m\u1ed9t b\u1ed9 n\u0103m ph\u1ea7n t\u1eed: (Q, \u03a3, \u03b4, q\u2080, F).<\/p>\n

                  \n
                • Q:<\/strong>M\u1ed9t t\u1eadp h\u1ee3p h\u1eefu h\u1ea1n c\u00e1c tr\u1ea1ng th\u00e1i.<\/li>\n
                • \u03a3:<\/strong>M\u1ed9t t\u1eadp h\u1ee3p h\u1eefu h\u1ea1n c\u00e1c k\u00fd hi\u1ec7u \u0111\u1ea7u v\u00e0o (s\u1ef1 ki\u1ec7n).<\/li>\n
                • \u03b4:<\/strong>H\u00e0m chuy\u1ec3n \u0111\u1ed5i \u00e1nh x\u1ea1 m\u1ed9t tr\u1ea1ng th\u00e1i v\u00e0 \u0111\u1ea7u v\u00e0o sang m\u1ed9t tr\u1ea1ng th\u00e1i m\u1edbi.<\/li>\n
                • q\u2080:<\/strong>Tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u.<\/li>\n
                • F:<\/strong>T\u1eadp h\u1ee3p c\u00e1c tr\u1ea1ng th\u00e1i k\u1ebft th\u00fac ho\u1eb7c ch\u1ea5p nh\u1eadn.<\/li>\n<\/ul>\n

                  S\u1ef1 h\u00ecnh th\u1ee9c h\u00f3a n\u00e0y \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng l\u00e0 x\u00e1c \u0111\u1ecbnh n\u1ebfu \u03b4 l\u00e0 m\u1ed9t h\u00e0m, ho\u1eb7c kh\u00f4ng x\u00e1c \u0111\u1ecbnh n\u1ebfu n\u00f3 l\u00e0 m\u1ed9t quan h\u1ec7. Trong thi\u1ebft k\u1ebf ph\u1ea7n m\u1ec1m, ch\u00fang ta th\u01b0\u1eddng h\u01b0\u1edbng \u0111\u1ebfn h\u00e0nh vi x\u00e1c \u0111\u1ecbnh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh l\u1eb7p l\u1ea1i.<\/p>\n

                  Suy ngh\u0129 cu\u1ed1i c\u00f9ng v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a \ud83e\udde0<\/h2>\n

                  Vi\u1ec7c t\u1ea1o s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i l\u00e0 m\u1ed9t b\u00e0i t\u1eadp v\u1ec1 s\u1ef1 r\u00f5 r\u00e0ng. N\u00f3 bu\u1ed9c nh\u00e0 thi\u1ebft k\u1ebf ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ecdi \u0111i\u1ec1u ki\u1ec7n v\u00e0 ph\u1ea3n \u1ee9ng c\u00f3 th\u1ec3 x\u1ea3y ra. \u0110\u00f3 kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t b\u1ea3n v\u1ebd; \u0111\u00f3 l\u00e0 m\u1ed9t h\u1ee3p \u0111\u1ed3ng v\u1ec1 h\u00e0nh vi. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c nguy\u00ean t\u1eafc \u0111\u01b0\u1ee3c n\u00eau \u1edf \u0111\u00e2y, b\u1ea1n \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c, d\u1ec5 b\u1ea3o tr\u00ec v\u00e0 b\u1ec1n v\u1eefng.<\/p>\n

                  H\u00e0nh tr\u00ecnh t\u1eeb \u00fd t\u01b0\u1edfng \u0111\u1ebfn m\u00e3 h\u00f3a s\u1ebd tr\u01a1n tru h\u01a1n khi con \u0111\u01b0\u1eddng \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eadp b\u1ea3n \u0111\u1ed3. H\u00e3y d\u00e0nh th\u1eddi gian \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c tr\u1ea1ng th\u00e1i c\u1ee7a b\u1ea1n, tinh ch\u1ec9nh c\u00e1c chuy\u1ec3n ti\u1ebfp v\u00e0 ghi l\u1ea1i logic c\u1ee7a b\u1ea1n. S\u1ef1 \u0111\u1ea7u t\u01b0 n\u00e0y s\u1ebd mang l\u1ea1i l\u1ee3i \u00edch b\u1eb1ng c\u00e1ch gi\u1ea3m th\u1eddi gian g\u1ee1 l\u1ed7i v\u00e0 t\u0103ng \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n","protected":false},"excerpt":{"rendered":"

                  Hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1ch m\u1ed9t h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng theo th\u1eddi gian l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng \u0111\u1ec3 thi\u1ebft k\u1ebf ph\u1ea7n m\u1ec1m b\u1ec1n v\u1eefng v\u00e0 c\u00e1c quy tr\u00ecnh c\u01a1 kh\u00ed ph\u1ee9c t\u1ea1p.…<\/p>\n","protected":false},"author":1,"featured_media":648,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"N\u1ec1n t\u1ea3ng s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a m\u00e1y tr\u1ea1ng th\u00e1i \ud83d\udcca","_yoast_wpseo_metadesc":"H\u1ecdc v\u1ec1 s\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i, c\u00e1c tr\u1ea1ng th\u00e1i UML, c\u00e1c chuy\u1ec3n ti\u1ebfp v\u00e0 s\u1ef1 ki\u1ec7n. M\u1ed9t h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi h\u1ec7 th\u1ed1ng m\u00e0 kh\u00f4ng thi\u00ean v\u1ecb ph\u1ea7n m\u1ec1m.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[35],"tags":[40,41],"class_list":["post-647","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uml","tag-academic","tag-state-machine-diagram"],"yoast_head":"\nN\u1ec1n t\u1ea3ng s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a m\u00e1y tr\u1ea1ng th\u00e1i \ud83d\udcca<\/title>\n<meta name=\"description\" content=\"H\u1ecdc v\u1ec1 s\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i, c\u00e1c tr\u1ea1ng th\u00e1i UML, c\u00e1c chuy\u1ec3n ti\u1ebfp v\u00e0 s\u1ef1 ki\u1ec7n. 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