{"id":538,"date":"2026-03-25T03:08:15","date_gmt":"2026-03-25T03:08:15","guid":{"rendered":"https:\/\/www.visualize-ai.com\/vi\/state-diagram-patterns-best-practices\/"},"modified":"2026-03-25T03:08:15","modified_gmt":"2026-03-25T03:08:15","slug":"state-diagram-patterns-best-practices","status":"publish","type":"post","link":"https:\/\/www.visualize-ai.com\/vi\/state-diagram-patterns-best-practices\/","title":{"rendered":"C\u00e1c M\u1eabu S\u01a1 \u0111\u1ed3 Tr\u1ea1ng th\u00e1i Trong H\u00e0nh \u0110\u1ed9ng: C\u00e1c Th\u1ef1c H\u00e0nh T\u1ed1t Nh\u1ea5t T\u1eeb Nh\u1eefng L\u00e3nh \u0110\u1ea1o Ng\u00e0nh"},"content":{"rendered":"<p>Thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u r\u00f5 r\u00f5 r\u00e0ng v\u1ec1 c\u00e1ch d\u1eef li\u1ec7u v\u00e0 quy tr\u00ecnh di chuy\u1ec3n qua c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau. S\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i \u0111\u00f3ng vai tr\u00f2 l\u00e0 b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf then ch\u1ed1t cho h\u00e0nh vi n\u00e0y. N\u00f3 m\u00f4 t\u1ea3 c\u00e1c tr\u1ea1ng th\u00e1i kh\u00e1c nhau m\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 \u1edf v\u00e0o v\u00e0 c\u00e1c chuy\u1ec3n ti\u1ebfp gi\u00fap h\u1ec7 th\u1ed1ng chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i n\u00e0y sang tr\u1ea1ng th\u00e1i kh\u00e1c. \u0110\u1ed1i v\u1edbi c\u00e1c \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt, th\u00e0nh th\u1ea1o k\u1ef9 thu\u1eadt tr\u1ef1c quan h\u00f3a n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 v\u1ebd c\u00e1c h\u00ecnh h\u1ed9p v\u00e0 m\u0169i t\u00ean; m\u00e0 c\u00f2n l\u00e0 vi\u1ec7c x\u00e1c \u0111\u1ecbnh logic nh\u1eb1m ng\u0103n ng\u1eeba l\u1ed7i v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady. \ud83d\udee1\ufe0f<\/p>\n<p>Trong h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n n\u00e0y, ch\u00fang t\u00f4i kh\u00e1m ph\u00e1 c\u00e1c m\u1eabu s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i \u0111\u00e3 ch\u1ee9ng minh hi\u1ec7u qu\u1ea3 trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. Ch\u00fang t\u00f4i s\u1ebd ph\u00e2n t\u00edch c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac, th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c k\u1ef9 thu\u1eadt m\u00f4 h\u00ecnh h\u00f3a n\u00e2ng cao v\u00e0 n\u00eau r\u00f5 c\u00e1c ti\u00eau chu\u1ea9n v\u1eadn h\u00e0nh \u0111\u01b0\u1ee3c c\u00e1c t\u1ed5 ch\u1ee9c ph\u00e1t tri\u1ec3n h\u00e0ng \u0111\u1ea7u s\u1eed d\u1ee5ng. M\u1ee5c ti\u00eau l\u00e0 cung c\u1ea5p m\u1ed9t khung th\u1ef1c ti\u1ec5n \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c m\u00f4 h\u00ecnh tr\u1ea1ng th\u00e1i m\u1ea1nh m\u1ebd, c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng.<\/p>\n<h2>Hi\u1ec3u R\u00f5 C\u00e1c Th\u00e0nh Ph\u1ea7n C\u1ed1t L\u00f5i C\u1ee7a S\u01a1 \u0110\u1ed3 Tr\u1ea1ng Th\u00e1i \u2699\ufe0f<\/h2>\n<p>Tr\u01b0\u1edbc khi \u0111i s\u00e2u v\u00e0o c\u00e1c m\u1eabu, \u0111i\u1ec1u thi\u1ebft y\u1ebfu l\u00e0 ph\u1ea3i thi\u1ebft l\u1eadp m\u1ed9t t\u1eeb v\u1ef1ng chung. S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i m\u00f4 t\u1ea3 h\u00e0nh vi \u0111\u1ed9ng c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng ho\u1eb7c h\u1ec7 th\u1ed1ng. N\u00f3 t\u1eadp trung v\u00e0o tr\u00ecnh t\u1ef1 c\u00e1c s\u1ef1 ki\u1ec7n v\u00e0 nh\u1eefng thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i k\u1ebft qu\u1ea3. Kh\u00f4ng c\u00f3 c\u00e1ch ti\u1ebfp c\u1eadn chu\u1ea9n h\u00f3a, c\u00e1c s\u01a1 \u0111\u1ed3 c\u00f3 th\u1ec3 tr\u1edf n\u00ean l\u1ed9n x\u1ed9n, d\u1eabn \u0111\u1ebfn hi\u1ec3u nh\u1ea7m trong giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n.<\/p>\n<h3>1. Tr\u1ea1ng th\u00e1i v\u00e0 C\u00e1c Lo\u1ea1i C\u1ee7a Ch\u00fang<\/h3>\n<p>C\u00e1c tr\u1ea1ng th\u00e1i \u0111\u1ea1i di\u1ec7n cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng th\u1ecfa m\u00e3n m\u1ed9t \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh, th\u1ef1c hi\u1ec7n m\u1ed9t ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c ch\u1edd \u0111\u1ee3i m\u1ed9t s\u1ef1 ki\u1ec7n. Trong m\u00f4 h\u00ecnh h\u00f3a chuy\u00ean nghi\u1ec7p, c\u00e1c tr\u1ea1ng th\u00e1i \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 r\u00f5 r\u00e0ng:<\/p>\n<ul>\n<li><strong>Tr\u1ea1ng th\u00e1i Kh\u1edfi \u0111\u1ea7u:<\/strong> \u0110i\u1ec3m kh\u1edfi \u0111\u1ea7u c\u1ee7a v\u00f2ng \u0111\u1eddi. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t h\u00ecnh tr\u00f2n \u0111\u1ea7y m\u00e0u. Th\u00f4ng th\u01b0\u1eddng ch\u1ec9 c\u00f3 m\u1ed9t tr\u1ea1ng th\u00e1i kh\u1edfi \u0111\u1ea7u tr\u00ean m\u1ed7i s\u01a1 \u0111\u1ed3 \u0111\u1ec3 tr\u00e1nh g\u00e2y hi\u1ec3u nh\u1ea7m. \ud83d\udfe2<\/li>\n<li><strong>Tr\u1ea1ng th\u00e1i Cu\u1ed1i c\u00f9ng:<\/strong> \u0110i\u1ec3m k\u1ebft th\u00fac. N\u00f3 cho th\u1ea5y qu\u00e1 tr\u00ecnh \u0111\u00e3 ho\u00e0n th\u00e0nh th\u00e0nh c\u00f4ng. \u0110\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng h\u00ecnh tr\u00f2n c\u00f3 vi\u1ec1n k\u00e9p. \ud83d\udd34<\/li>\n<li><strong>Tr\u1ea1ng th\u00e1i Ho\u1ea1t \u0111\u1ed9ng:<\/strong> M\u1ed9t tr\u1ea1ng th\u00e1i m\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng \u0111ang th\u1ef1c hi\u1ec7n m\u1ed9t h\u00e0nh \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m vi\u1ec7c v\u00e0o, th\u1ef1c hi\u1ec7n ho\u1eb7c k\u1ebft th\u00fac c\u00e1c ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<li><strong>Tr\u1ea1ng th\u00e1i H\u1ee3p th\u00e0nh:<\/strong> M\u1ed9t tr\u1ea1ng th\u00e1i ch\u1ee9a c\u00e1c tr\u1ea1ng th\u00e1i con. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p m\u00f4 h\u00ecnh h\u00f3a theo c\u1ea5p b\u1eadc, gi\u1ea3m \u0111\u1ed9 ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1ch nh\u00fang logic chi ti\u1ebft v\u00e0o m\u1ed9t b\u1ed1i c\u1ea3nh r\u1ed9ng l\u1edbn h\u01a1n.<\/li>\n<\/ul>\n<h3>2. Chuy\u1ec3n ti\u1ebfp v\u00e0 S\u1ef1 ki\u1ec7n<\/h3>\n<p>C\u00e1c chuy\u1ec3n ti\u1ebfp l\u00e0 nh\u1eefng \u0111\u01b0\u1eddng c\u00f3 h\u01b0\u1edbng k\u1ebft n\u1ed1i c\u00e1c tr\u1ea1ng th\u00e1i. Ch\u00fang \u0111\u1ea1i di\u1ec7n cho s\u1ef1 di chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i n\u00e0y sang tr\u1ea1ng th\u00e1i kh\u00e1c. S\u1ef1 di chuy\u1ec3n \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi m\u1ed9t s\u1ef1 ki\u1ec7n. \u0110\u1ec3 duy tr\u00ec m\u00f4 h\u00ecnh s\u1ea1ch s\u1ebd, c\u00e1c y\u1ebfu t\u1ed1 sau \u0111\u00e2y l\u00e0 r\u1ea5t quan tr\u1ecdng:<\/p>\n<ul>\n<li><strong>S\u1ef1 ki\u1ec7n:<\/strong> Y\u1ebfu t\u1ed1 k\u00edch ho\u1ea1t g\u00e2y ra chuy\u1ec3n ti\u1ebfp. N\u00f3 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t t\u00edn hi\u1ec7u, m\u1ed9t \u0111\u1ed9 tr\u1ec5 th\u1eddi gian ho\u1eb7c m\u1ed9t \u0111i\u1ec1u ki\u1ec7n l\u1ed7i.<\/li>\n<li><strong>\u0110i\u1ec1u ki\u1ec7n B\u1ea3o v\u1ec7:<\/strong> M\u1ed9t bi\u1ec3u th\u1ee9c logic ph\u1ea3i c\u00f3 gi\u00e1 tr\u1ecb \u0111\u00fang \u0111\u1ec3 chuy\u1ec3n ti\u1ebfp x\u1ea3y ra. \u0110i\u1ec1u n\u00e0y th\u00eam logic v\u00e0o qu\u00e1 tr\u00ecnh di chuy\u1ec3n. \ud83d\udea6<\/li>\n<li><strong>H\u00e0nh \u0111\u1ed9ng:<\/strong> M\u00e3 ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c th\u1ef1c thi trong qu\u00e1 tr\u00ecnh chuy\u1ec3n ti\u1ebfp ho\u1eb7c khi \u1edf trong m\u1ed9t tr\u1ea1ng th\u00e1i c\u1ee5 th\u1ec3.<\/li>\n<\/ul>\n<h2>C\u00e1c M\u1eabu C\u01a1 B\u1ea3n C\u1ee7a M\u00e1y Tr\u1ea1ng Th\u00e1i \ud83c\udfd7\ufe0f<\/h2>\n<p>C\u00e1c l\u00e3nh \u0111\u1ea1o ng\u00e0nh th\u01b0\u1eddng d\u1ef1a v\u00e0o m\u1ed9t b\u1ed9 c\u00e1c m\u1eabu l\u1eb7p l\u1ea1i. Nh\u1eefng m\u1eabu n\u00e0y gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn li\u00ean quan \u0111\u1ebfn ki\u1ec3m so\u00e1t lu\u1ed3ng, x\u1eed l\u00fd l\u1ed7i v\u00e0 \u0111\u1ed3ng th\u1eddi. Nh\u1eadn di\u1ec7n s\u1edbm nh\u1eefng m\u1eabu n\u00e0y trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf s\u1ebd ti\u1ebft ki\u1ec7m r\u1ea5t nhi\u1ec1u th\u1eddi gian trong qu\u00e1 tr\u00ecnh tri\u1ec3n khai.<\/p>\n<h3>M\u1eabu 1: Quy tr\u00ecnh D\u00f2ng Th\u1eb3ng<\/h3>\n<p>\u0110\u00e2y l\u00e0 m\u1eabu \u0111\u01a1n gi\u1ea3n nh\u1ea5t. N\u00f3 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t chu\u1ed7i c\u00e1c b\u01b0\u1edbc m\u00e0 h\u1ec7 th\u1ed1ng di chuy\u1ec3n t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i m\u00e0 kh\u00f4ng c\u00f3 nh\u00e1nh. M\u1eabu n\u00e0y r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c quy tr\u00ecnh nh\u01b0 lu\u1ed3ng \u0111\u0103ng k\u00fd \u0111\u01a1n gi\u1ea3n ho\u1eb7c c\u00f4ng vi\u1ec7c x\u1eed l\u00fd h\u00e0ng lo\u1ea1t.<\/p>\n<ul>\n<li><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong>\u0110\u0103ng k\u00fd ng\u01b0\u1eddi d\u00f9ng, tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u \u0111\u01a1n gi\u1ea3n.<\/li>\n<li><strong>L\u1ee3i \u00edch:<\/strong> D\u1ef1 \u0111o\u00e1n cao v\u00e0 d\u1ec5 ki\u1ec3m th\u1eed.<\/li>\n<li><strong> R\u00e0ng bu\u1ed9c:<\/strong> Kh\u00f4ng x\u1eed l\u00fd t\u1ed1t c\u00e1c ngo\u1ea1i l\u1ec7. N\u1ebfu x\u1ea3y ra l\u1ed7i, lu\u1ed3ng ph\u1ea3i nh\u00e1nh r\u00f5 r\u00e0ng sang tr\u1ea1ng th\u00e1i l\u1ed7i.<\/li>\n<\/ul>\n<h3>M\u1eabu 2: N\u00fat ra quy\u1ebft \u0111\u1ecbnh<\/h3>\n<p>C\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p hi\u1ebfm khi tu\u00e2n theo m\u1ed9t con \u0111\u01b0\u1eddng duy nh\u1ea5t. M\u1eabu n\u00e0y gi\u1edbi thi\u1ec7u logic nh\u00e1nh d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n. N\u00f3 cho ph\u00e9p s\u01a1 \u0111\u1ed3 th\u00edch nghi v\u1edbi c\u00e1c \u0111\u1ea7u v\u00e0o kh\u00e1c nhau m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i c\u1ea5u tr\u00fac c\u1ed1t l\u00f5i.<\/p>\n<ul>\n<li><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong> X\u1eed l\u00fd thanh to\u00e1n (Th\u00e0nh c\u00f4ng so v\u1edbi Th\u1ea5t b\u1ea1i), x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng (H\u1ee3p l\u1ec7 so v\u1edbi Kh\u00f4ng h\u1ee3p l\u1ec7).<\/li>\n<li><strong>Tri\u1ec3n khai:<\/strong> S\u1eed d\u1ee5ng \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 tr\u00ean c\u00e1c chuy\u1ec3n ti\u1ebfp ra. \u0110\u1ea3m b\u1ea3o m\u1ecdi k\u1ebft qu\u1ea3 kh\u1ea3 d\u0129 \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u00ednh \u0111\u1ebfn \u0111\u1ec3 tr\u00e1nh k\u1eb9t ch\u1ebft.<\/li>\n<\/ul>\n<h3>M\u1eabu 3: C\u01a1 ch\u1ebf th\u1eed l\u1ea1i<\/h3>\n<p>C\u00e1c ph\u1ee5 thu\u1ed9c b\u00ean ngo\u00e0i th\u01b0\u1eddng th\u1ea5t b\u1ea1i. M\u1ed9t s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i v\u1eefng ch\u1eafc bao g\u1ed3m v\u00f2ng l\u1eb7p th\u1eed l\u1ea1i. M\u1eabu n\u00e0y theo d\u00f5i s\u1ed1 l\u1ea7n th\u1eed v\u00e0 quy\u1ebft \u0111\u1ecbnh khi n\u00e0o h\u1ee7y b\u1ecf ho\u1eb7c ti\u1ebfp t\u1ee5c.<\/p>\n<ul>\n<li><strong>C\u1ea5u tr\u00fac:<\/strong> M\u1ed9t tr\u1ea1ng th\u00e1i &#8216;\u0110ang x\u1eed l\u00fd&#8217; s\u1ebd chuy\u1ec3n tr\u1edf l\u1ea1i ch\u00ednh n\u00f3 n\u1ebfu x\u1ea3y ra l\u1ed7i, \u0111\u1ebfn ng\u01b0\u1ee1ng t\u1ed1i \u0111a.<\/li>\n<li><strong>Logic:<\/strong> S\u1eed d\u1ee5ng bi\u1ebfn \u0111\u1ebfm. N\u1ebfu bi\u1ebfn \u0111\u1ebfm &lt; ng\u01b0\u1ee1ng, l\u1eb7p l\u1ea1i. N\u1ebfu bi\u1ebfn \u0111\u1ebfm &gt;= ng\u01b0\u1ee1ng, chuy\u1ec3n sang tr\u1ea1ng th\u00e1i &#8216;Th\u1ea5t b\u1ea1i&#8217;.<\/li>\n<li><strong>L\u1ee3i \u00edch:<\/strong> T\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng l\u1ed7i t\u1ea1m th\u1eddi c\u1ee7a h\u1ec7 th\u1ed1ng. \u26a1<\/li>\n<\/ul>\n<h2>C\u00e1c k\u1ef9 thu\u1eadt m\u00f4 h\u00ecnh h\u00f3a n\u00e2ng cao \ud83e\udde0<\/h2>\n<p>Khi h\u1ec7 th\u1ed1ng ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p, c\u00e1c m\u1eabu c\u01a1 b\u1ea3n tr\u1edf n\u00ean kh\u00f4ng \u0111\u1ee7. C\u00e1c k\u1ef9 thu\u1eadt n\u00e2ng cao cho ph\u00e9p t\u1ed5 ch\u1ee9c v\u00e0 t\u00e1i s\u1eed d\u1ee5ng logic t\u1ed1t h\u01a1n. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u00e0 ti\u00eau chu\u1ea9n trong m\u00f4i tr\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng cao.<\/p>\n<h3>1. Tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed<\/h3>\n<p>Khi m\u1ed9t tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh \u0111\u01b0\u1ee3c r\u1eddi kh\u1ecfi r\u1ed3i sau \u0111\u00f3 \u0111\u01b0\u1ee3c nh\u1eadp l\u1ea1i, h\u1ec7 th\u1ed1ng th\u01b0\u1eddng c\u1ea7n bi\u1ebft n\u00f3 \u0111\u00e3 d\u1eebng \u1edf \u0111\u00e2u. Tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed l\u01b0u gi\u1eef th\u00f4ng tin n\u00e0y.<\/p>\n<ul>\n<li><strong>L\u1ecbch s\u1eed s\u00e2u:<\/strong> Kh\u00f4i ph\u1ee5c h\u1ec7 th\u1ed1ng v\u1ec1 tr\u1ea1ng th\u00e1i con ho\u1ea1t \u0111\u1ed9ng cu\u1ed1i c\u00f9ng.<\/li>\n<li><strong>L\u1ecbch s\u1eed n\u00f4ng:<\/strong> Kh\u00f4i ph\u1ee5c h\u1ec7 th\u1ed1ng v\u1ec1 tr\u1ea1ng th\u00e1i con kh\u1edfi t\u1ea1o m\u1eb7c \u0111\u1ecbnh c\u1ee7a tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh.<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng:<\/strong> H\u1eefu \u00edch trong c\u00e1c quy tr\u00ecnh ch\u1ea1y l\u00e2u, n\u01a1i ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u1ea1m d\u1eebng v\u00e0 ti\u1ebfp t\u1ee5c. N\u00f3 ng\u0103n vi\u1ec7c ph\u1ea3i kh\u1edfi \u0111\u1ed9ng l\u1ea1i t\u1eeb \u0111\u1ea7u.<\/li>\n<\/ul>\n<h3>2. Tr\u1ea1ng th\u00e1i song song<\/h3>\n<p>M\u1ed9t s\u1ed1 quy tr\u00ecnh x\u1ea3y ra \u0111\u1ed3ng th\u1eddi. Tr\u1ea1ng th\u00e1i song song cho ph\u00e9p s\u01a1 \u0111\u1ed3 hi\u1ec3n th\u1ecb c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp di\u1ec5n ra c\u00f9ng l\u00fac. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng c\u1ea5u tr\u00fac chia t\u00e1ch v\u00e0 h\u1ee3p nh\u1ea5t.<\/p>\n<ul>\n<li><strong>Chia t\u00e1ch:<\/strong>Chia lu\u1ed3ng th\u00e0nh nhi\u1ec1u nh\u00e1nh \u0111\u1ed3ng th\u1eddi.<\/li>\n<li><strong>N\u1ed1i:<\/strong>Ch\u1edd t\u1ea5t c\u1ea3 c\u00e1c nh\u00e1nh \u0111\u1ed3ng th\u1eddi ho\u00e0n th\u00e0nh tr\u01b0\u1edbc khi h\u1ee3p nh\u1ea5t tr\u1edf l\u1ea1i th\u00e0nh m\u1ed9t lu\u1ed3ng duy nh\u1ea5t.<\/li>\n<li><strong>V\u00ed d\u1ee5:<\/strong>Trong m\u1ed9t thi\u1ebft b\u1ecb IoT, vi\u1ec7c ghi nh\u1eadt k\u00fd d\u1eef li\u1ec7u v\u00e0 \u0111\u1ecdc c\u1ea3m bi\u1ebfn c\u00f3 th\u1ec3 x\u1ea3y ra song song. M\u1ed9t vi\u1ec7c kh\u00f4ng l\u00e0m ch\u1eb7n vi\u1ec7c kia.<\/li>\n<\/ul>\n<h3>3. H\u00e0nh \u0111\u1ed9ng v\u00e0o v\u00e0 ra<\/h3>\n<p>\u0110\u1ec3 gi\u1ea3m s\u1ef1 l\u1ed9n x\u1ed9n, c\u00e1c h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c g\u00e1n cho ch\u00ednh tr\u1ea1ng th\u00e1i thay v\u00ec t\u1eebng chuy\u1ec3n ti\u1ebfp.<\/p>\n<ul>\n<li><strong>H\u00e0nh \u0111\u1ed9ng v\u00e0o:<\/strong>\u0110\u01b0\u1ee3c th\u1ef1c thi ngay l\u1eadp t\u1ee9c khi v\u00e0o tr\u1ea1ng th\u00e1i.<\/li>\n<li><strong>H\u00e0nh \u0111\u1ed9ng ra:<\/strong>\u0110\u01b0\u1ee3c th\u1ef1c thi ngay l\u1eadp t\u1ee9c khi r\u1eddi kh\u1ecfi tr\u1ea1ng th\u00e1i.<\/li>\n<li><strong>H\u00e0nh \u0111\u1ed9ng th\u1ef1c hi\u1ec7n:<\/strong>\u0110\u01b0\u1ee3c th\u1ef1c thi li\u00ean t\u1ee5c trong khi tr\u1ea1ng th\u00e1i v\u1eabn ho\u1ea1t \u0111\u1ed9ng (v\u00ed d\u1ee5: ki\u1ec3m tra c\u1ea3m bi\u1ebfn).<\/li>\n<\/ul>\n<h2>C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t cho m\u00f4 h\u00ecnh h\u00f3a tr\u1ea1ng th\u00e1i \ud83d\udcdd<\/h2>\n<p>T\u1ea1o m\u1ed9t s\u01a1 \u0111\u1ed3 l\u00e0 m\u1ed9t vi\u1ec7c; t\u1ea1o ra m\u1ed9t s\u01a1 \u0111\u1ed3 d\u1ec5 b\u1ea3o tr\u00ec l\u00e0 m\u1ed9t vi\u1ec7c kh\u00e1c. C\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh nh\u1ea5n m\u1ea1nh s\u1ef1 r\u00f5 r\u00e0ng, nh\u1ea5t qu\u00e1n v\u00e0 ki\u1ec3m tra. B\u1ea3ng sau \u0111\u00e2y n\u00eau b\u1eadt c\u00e1c th\u1ef1c h\u00e0nh ch\u00ednh v\u00e0 l\u00fd do t\u1ea1i sao ch\u00fang quan tr\u1ecdng.<\/p>\n<table>\n<thead>\n<tr>\n<th>Th\u1ef1c h\u00e0nh<\/th>\n<th>T\u1ea1i sao \u0111i\u1ec1u \u0111\u00f3 quan tr\u1ecdng<\/th>\n<th>M\u1eb9o tri\u1ec3n khai<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0110\u1eb7t t\u00ean nh\u1ea5t qu\u00e1n<\/td>\n<td>\u0110\u1ea3m b\u1ea3o c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n hi\u1ec3u s\u01a1 \u0111\u1ed3 m\u00e0 kh\u00f4ng c\u1ea7n b\u1ed1i c\u1ea3nh.<\/td>\n<td>S\u1eed d\u1ee5ng c\u1eb7p \u0111\u1ed9ng t\u1eeb-danh t\u1eeb cho c\u00e1c tr\u1ea1ng th\u00e1i (v\u00ed d\u1ee5: \u201cX\u1eed l\u00fd \u0111\u01a1n h\u00e0ng\u201d).<\/td>\n<\/tr>\n<tr>\n<td>Gi\u1edbi h\u1ea1n s\u1ed1 nh\u00e1nh ra<\/td>\n<td>Ng\u0103n ch\u1eb7n hi\u1ec7u \u1ee9ng s\u01a1 \u0111\u1ed3 &#8216;b\u00fan b\u00f2&#8217; (l\u1ed9n x\u1ed9n).<\/td>\n<td>Gi\u1eef s\u1ed1 chuy\u1ec3n ti\u1ebfp t\u1eeb m\u1ed9t tr\u1ea1ng th\u00e1i d\u01b0\u1edbi 5 n\u1ebfu c\u00f3 th\u1ec3.<\/td>\n<\/tr>\n<tr>\n<td>X\u1eed l\u00fd l\u1ed7i r\u00f5 r\u00e0ng<\/td>\n<td>Ng\u0103n ch\u1eb7n c\u00e1c l\u1ed7i im l\u1eb7ng trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t.<\/td>\n<td>M\u1ed7i tr\u1ea1ng th\u00e1i n\u00ean c\u00f3 m\u1ed9t \u0111\u01b0\u1eddng chuy\u1ec3n ti\u1ebfp x\u1eed l\u00fd l\u1ed7i.<\/td>\n<\/tr>\n<tr>\n<td>T\u00e1ch bi\u1ec7t tr\u1ea1ng th\u00e1i<\/td>\n<td>Gi\u1ea3m s\u1ef1 ph\u1ee5 thu\u1ed9c gi\u1eefa c\u00e1c quy tr\u00ecnh kh\u00f4ng li\u00ean quan.<\/td>\n<td>S\u1eed d\u1ee5ng tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh \u0111\u1ec3 nh\u00f3m c\u00e1c logic li\u00ean quan.<\/td>\n<\/tr>\n<tr>\n<td>T\u00e0i li\u1ec7u<\/td>\n<td>H\u1ed7 tr\u1ee3 b\u1ea3o tr\u00ec v\u00e0 l\u00e0m quen trong t\u01b0\u01a1ng lai.<\/td>\n<td>Ghi ch\u00fa c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 ph\u1ee9c t\u1ea1p b\u1eb1ng nh\u1eadn x\u00e9t.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p<\/h3>\n<p>M\u1ed9t trong nh\u1eefng th\u00e1ch th\u1ee9c l\u1edbn nh\u1ea5t trong m\u00f4 h\u00ecnh h\u00f3a tr\u1ea1ng th\u00e1i l\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p. Khi s\u1ed1 l\u01b0\u1ee3ng tr\u1ea1ng th\u00e1i t\u0103ng l\u00ean, s\u01a1 \u0111\u1ed3 tr\u1edf n\u00ean kh\u00f3 \u0111\u1ecdc. \u0110\u1ec3 qu\u1ea3n l\u00fd \u0111i\u1ec1u n\u00e0y:<\/p>\n<ul>\n<li><strong>Chia nh\u1ecf th\u00e0nh c\u00e1c module:<\/strong>Chia c\u00e1c s\u01a1 \u0111\u1ed3 l\u1edbn th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n nh\u1ecf h\u01a1n, h\u1ee3p l\u00fd. Tham chi\u1ebfu c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y trong s\u01a1 \u0111\u1ed3 cha.<\/li>\n<li><strong>Tr\u1eebu t\u01b0\u1ee3ng h\u00f3a:<\/strong>\u1ea8n c\u00e1c chi ti\u1ebft kh\u00f4ng li\u00ean quan \u0111\u1ebfn t\u1ea7m nh\u00ecn hi\u1ec7n t\u1ea1i. S\u1eed d\u1ee5ng c\u00e1c tr\u1ea1ng th\u00e1i l\u1ed3ng gh\u00e9p \u0111\u1ec3 \u0111i s\u00e2u v\u00e0o chi ti\u1ebft ch\u1ec9 khi c\u1ea7n thi\u1ebft.<\/li>\n<li><strong>Qu\u1ea3n l\u00fd phi\u00ean b\u1ea3n:<\/strong>Xem s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i nh\u01b0 m\u00e3 ngu\u1ed3n. C\u00e1c h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n gi\u00fap theo d\u00f5i c\u00e1c thay \u0111\u1ed5i theo th\u1eddi gian.<\/li>\n<\/ul>\n<h2>Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1ch tr\u00e1nh ch\u00fang \u26a0\ufe0f<\/h2>\n<p>Ngay c\u1ea3 c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 c\u00f3 kinh nghi\u1ec7m c\u0169ng m\u1eafc sai l\u1ea7m. Nh\u1eadn di\u1ec7n c\u00e1c sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba vi\u1ec7c t\u00e1i c\u1ea5u tr\u00fac t\u1ed1n k\u00e9m sau n\u00e0y. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c ch\u00fang.<\/p>\n<h3>1. Ch\u1ebft ch\u1eb7n<\/h3>\n<p>Ch\u1ebft ch\u1eb7n x\u1ea3y ra khi h\u1ec7 th\u1ed1ng \u0111i v\u00e0o m\u1ed9t tr\u1ea1ng th\u00e1i kh\u00f4ng c\u00f3 chuy\u1ec3n ti\u1ebfp ra ngo\u00e0i v\u00e0 kh\u00f4ng c\u00f3 c\u01a1 ch\u1ebf \u0111\u1ec3 tho\u00e1t ra. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng x\u1ea3y ra khi \u0111i\u1ec1u ki\u1ec7n chuy\u1ec3n ti\u1ebfp ch\u01b0a bao gi\u1edd \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng.<\/p>\n<ul>\n<li><strong>Ph\u00f2ng ng\u1eeba:<\/strong>Th\u1ef1c hi\u1ec7n ph\u00e2n t\u00edch kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn. \u0110\u1ea3m b\u1ea3o m\u1ecdi tr\u1ea1ng th\u00e1i \u0111\u1ec1u c\u00f3 th\u1ec3 cu\u1ed1i c\u00f9ng \u0111\u1ea1t \u0111\u1ebfn tr\u1ea1ng th\u00e1i k\u1ebft th\u00fac ho\u1eb7c tr\u1ea1ng th\u00e1i ch\u1edd \u1ed5n \u0111\u1ecbnh.<\/li>\n<\/ul>\n<h3>2. Chuy\u1ec3n ti\u1ebfp kh\u00f4ng x\u00e1c \u0111\u1ecbnh<\/h3>\n<p>N\u1ebfu hai chuy\u1ec3n ti\u1ebfp t\u1eeb c\u00f9ng m\u1ed9t tr\u1ea1ng th\u00e1i \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi c\u00f9ng m\u1ed9t s\u1ef1 ki\u1ec7n, h\u00e0nh vi c\u1ee7a h\u1ec7 th\u1ed1ng s\u1ebd tr\u1edf n\u00ean kh\u00f4ng th\u1ec3 d\u1ef1 \u0111o\u00e1n.<\/p>\n<ul>\n<li><strong>Ph\u00f2ng ng\u1eeba:<\/strong>\u0110\u1ea3m b\u1ea3o c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 lo\u1ea1i tr\u1eeb nhau. N\u1ebfu s\u1ef1 ki\u1ec7n gi\u1ed1ng nhau, h\u00e3y s\u1eed d\u1ee5ng quy t\u1eafc \u01b0u ti\u00ean ho\u1eb7c t\u00e1ch logic th\u00e0nh c\u00e1c tr\u1ea1ng th\u00e1i kh\u00e1c nhau.<\/li>\n<\/ul>\n<h3>3. B\u1ecf qua th\u1eddi gian ch\u1edd<\/h3>\n<p>C\u00e1c h\u1ec7 th\u1ed1ng th\u01b0\u1eddng b\u1ecb treo v\u00ec ch\u00fang ch\u1edd m\u1ed9t s\u1ef1 ki\u1ec7n m\u00e0 kh\u00f4ng bao gi\u1edd x\u1ea3y ra. Th\u1eddi gian ch\u1edd l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ed1i v\u1edbi c\u00e1c thao t\u00e1c ch\u1edd l\u00e2u.<\/p>\n<ul>\n<li><strong>Ph\u00f2ng ng\u1eeba:<\/strong>Th\u00eam c\u00e1c s\u1ef1 ki\u1ec7n th\u1eddi gian ch\u1edd v\u00e0o c\u00e1c tr\u1ea1ng th\u00e1i \u0111ang ch\u1edd \u0111\u1ea7u v\u00e0o b\u00ean ngo\u00e0i. N\u1ebfu s\u1ef1 ki\u1ec7n kh\u00f4ng x\u1ea3y ra trong v\u00f2ng X gi\u00e2y, chuy\u1ec3n sang tr\u1ea1ng th\u00e1i th\u1eddi gian ch\u1edd.<\/li>\n<\/ul>\n<h2>\u1ee8ng d\u1ee5ng trong ng\u00e0nh ngh\u1ec1 \ud83c\udf0d<\/h2>\n<p>S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i kh\u00f4ng ph\u1ea3i l\u00e0 kh\u00e1i ni\u1ec7m l\u00fd thuy\u1ebft; ch\u00fang \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng h\u00e0ng ng\u00e0y trong c\u00e1c l\u0129nh v\u1ef1c then ch\u1ed1t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch c\u00e1c ng\u00e0nh kh\u00e1c nhau t\u1eadn d\u1ee5ng c\u00e1c m\u1eabu n\u00e0y.<\/p>\n<h3>1. Th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed v\u00e0 qu\u1ea3n l\u00fd \u0111\u01a1n h\u00e0ng<\/h3>\n<p>X\u1eed l\u00fd \u0111\u01a1n h\u00e0ng bao g\u1ed3m nhi\u1ec1u giai \u0111o\u1ea1n: x\u00e1c minh thanh to\u00e1n, ki\u1ec3m tra t\u1ed3n kho, v\u1eadn chuy\u1ec3n v\u00e0 giao h\u00e0ng. S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i \u0111\u1ea3m b\u1ea3o \u0111\u01a1n h\u00e0ng kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n tr\u01b0\u1edbc khi thanh to\u00e1n \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn.<\/p>\n<ul>\n<li><strong>C\u00e1c tr\u1ea1ng th\u00e1i ch\u00ednh:<\/strong> Ch\u1edd x\u1eed l\u00fd, \u0110\u00e3 thanh to\u00e1n, \u0110ang x\u1eed l\u00fd, \u0110\u00e3 g\u1eedi, \u0110\u00e3 giao, \u0110\u00e3 ho\u00e0n ti\u1ec1n.<\/li>\n<li><strong>M\u1eabu:<\/strong>Lu\u1ed3ng c\u00f4ng vi\u1ec7c tuy\u1ebfn t\u00ednh v\u1edbi c\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh cho th\u00e0nh c\u00f4ng thanh to\u00e1n.<\/li>\n<\/ul>\n<h3>2. Internet v\u1ea1n v\u1eadt (IoT)<\/h3>\n<p>C\u00e1c thi\u1ebft b\u1ecb th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng \u1edf c\u00e1c ch\u1ebf \u0111\u1ed9 kh\u00e1c nhau: ng\u1ee7, ho\u1ea1t \u0111\u1ed9ng, l\u1ed7i v\u00e0 c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m. S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i qu\u1ea3n l\u00fd ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 k\u1ebft n\u1ed1i.<\/p>\n<ul>\n<li><strong>C\u00e1c tr\u1ea1ng th\u00e1i ch\u00ednh:<\/strong> Ch\u1edd, Ho\u1ea1t \u0111\u1ed9ng, Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, L\u1ed7i.<\/li>\n<li><strong>M\u1eabu:<\/strong>Tr\u1ea1ng th\u00e1i song song cho vi\u1ec7c \u0111\u1ecdc c\u1ea3m bi\u1ebfn v\u00e0 k\u1ebft n\u1ed1i m\u1ea1ng.<\/li>\n<\/ul>\n<h3>3. T\u1ef1 \u0111\u1ed9ng h\u00f3a quy tr\u00ecnh l\u00e0m vi\u1ec7c<\/h3>\n<p>C\u00e1c quy tr\u00ecnh kinh doanh th\u01b0\u1eddng y\u00eau c\u1ea7u chu\u1ed7i ph\u00ea duy\u1ec7t. S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i x\u00e1c \u0111\u1ecbnh ai c\u00f3 th\u1ec3 ph\u00ea duy\u1ec7t m\u1ed9t y\u00eau c\u1ea7u v\u00e0 \u0111i\u1ec1u g\u00ec x\u1ea3y ra sau khi b\u1ecb t\u1eeb ch\u1ed1i.<\/p>\n<ul>\n<li><strong>C\u00e1c tr\u1ea1ng th\u00e1i ch\u00ednh:<\/strong> B\u1ea3n nh\u00e1p, \u0110\u00e3 g\u1eedi, \u0110\u00e3 ph\u00ea duy\u1ec7t, B\u1ecb t\u1eeb ch\u1ed1i, \u0110\u00e3 l\u01b0u tr\u1eef.<\/li>\n<li><strong>M\u1eabu:<\/strong>Tr\u1ea1ng th\u00e1i ph\u00e2n c\u1ea5p cho c\u00e1c m\u1ee9c \u0111\u1ed9 ph\u00ea duy\u1ec7t kh\u00e1c nhau.<\/li>\n<\/ul>\n<h2>Chi\u1ebfn l\u01b0\u1ee3c ki\u1ec3m th\u1eed v\u00e0 x\u00e1c th\u1ef1c \ud83e\uddea<\/h2>\n<p>S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i l\u00e0 t\u00e0i li\u1ec7u thi\u1ebft k\u1ebf, nh\u01b0ng n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng th\u1ef1c t\u1ebf. C\u00e1c chi\u1ebfn l\u01b0\u1ee3c ki\u1ec3m th\u1eed c\u1ea7n t\u1eadp trung v\u00e0o ph\u1ea1m vi tr\u1ea1ng th\u00e1i.<\/p>\n<h3>1. Ph\u1ea1m vi tr\u1ea1ng th\u00e1i<\/h3>\n<p>\u0110\u1ea3m b\u1ea3o m\u1ecdi tr\u1ea1ng th\u00e1i trong s\u01a1 \u0111\u1ed3 \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u1ea1t \u0111\u01b0\u1ee3c trong qu\u00e1 tr\u00ecnh ki\u1ec3m th\u1eed. \u0110i\u1ec1u n\u00e0y x\u00e1c minh r\u1eb1ng logic v\u00e0o v\u00e0 ra kh\u1ecfi tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng nh\u01b0 mong \u0111\u1ee3i.<\/p>\n<ul>\n<li><strong>Ph\u01b0\u01a1ng ph\u00e1p:<\/strong>S\u1eed d\u1ee5ng b\u1ed9 ki\u1ec3m th\u1eed t\u1ef1 \u0111\u1ed9ng \u0111i qua \u0111\u1ed3 th\u1ecb tr\u1ea1ng th\u00e1i.<\/li>\n<li><strong>M\u1ee5c ti\u00eau:<\/strong>100% ph\u1ea1m vi tr\u1ea1ng th\u00e1i l\u00e0 m\u1ee5c ti\u00eau l\u00fd t\u01b0\u1edfng cho c\u00e1c h\u1ec7 th\u1ed1ng quan tr\u1ecdng.<\/li>\n<\/ul>\n<h3>2. Ph\u1ea1m vi chuy\u1ec3n ti\u1ebfp<\/h3>\n<p>Kh\u00f4ng \u0111\u1ee7 ch\u1ec9 \u0111\u1ea1t \u0111\u1ebfn c\u00e1c tr\u1ea1ng th\u00e1i; b\u1ea1n ph\u1ea3i x\u00e1c minh c\u00e1c \u0111\u01b0\u1eddng \u0111i gi\u1eefa ch\u00fang. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 v\u00e0 h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c th\u1ef1c thi \u0111\u00fang c\u00e1ch.<\/p>\n<ul>\n<li><strong>Ph\u01b0\u01a1ng ph\u00e1p:<\/strong>Thi\u1ebft k\u1ebf c\u00e1c tr\u01b0\u1eddng h\u1ee3p ki\u1ec3m th\u1eed k\u00edch ho\u1ea1t c\u00e1c s\u1ef1 ki\u1ec7n c\u1ee5 th\u1ec3 \u0111\u1ec3 bu\u1ed9c chuy\u1ec3n ti\u1ebfp.<\/li>\n<li><strong>M\u1ee5c ti\u00eau:<\/strong>M\u1ecdi chuy\u1ec3n ti\u1ebfp \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m th\u1eed \u00edt nh\u1ea5t m\u1ed9t l\u1ea7n.<\/li>\n<\/ul>\n<h3>3. Ki\u1ec3m th\u1eed ti\u00eau c\u1ef1c<\/h3>\n<p>X\u00e1c minh c\u00e1ch h\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u0111\u1ea7u v\u00e0o kh\u00f4ng h\u1ee3p l\u1ec7. \u0110i\u1ec1u g\u00ec x\u1ea3y ra n\u1ebfu ng\u01b0\u1eddi d\u00f9ng g\u1eedi thanh to\u00e1n v\u1edbi s\u1ed1 d\u01b0 kh\u00f4ng \u0111\u1ee7?<\/p>\n<ul>\n<li><strong>Ph\u01b0\u01a1ng ph\u00e1p:<\/strong>Ch\u1ee7 \u00fd k\u00edch ho\u1ea1t c\u00e1c chuy\u1ec3n ti\u1ebfp n\u00ean b\u1ecb ch\u1eb7n b\u1edfi \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7.<\/li>\n<li><strong>M\u1ee5c ti\u00eau:<\/strong>X\u00e1c nh\u1eadn h\u1ec7 th\u1ed1ng v\u1eabn gi\u1eef nguy\u00ean tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i ho\u1eb7c chuy\u1ec3n sang tr\u1ea1ng th\u00e1i l\u1ed7i m\u1ed9t c\u00e1ch an to\u00e0n.<\/li>\n<\/ul>\n<h2>B\u1ea3o tr\u00ec v\u00e0 ph\u00e1t tri\u1ec3n \ud83d\udd27<\/h2>\n<p>Ph\u1ea7n m\u1ec1m kh\u00f4ng bao gi\u1edd t\u0129nh t\u1ea1i. Y\u00eau c\u1ea7u thay \u0111\u1ed5i, v\u00e0 c\u00e1c t\u00ednh n\u0103ng \u0111\u01b0\u1ee3c th\u00eam v\u00e0o. S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i ph\u1ea3i ph\u00e1t tri\u1ec3n song song v\u1edbi c\u01a1 s\u1edf m\u00e3 ngu\u1ed3n. N\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o tr\u00ec, ch\u00fang s\u1ebd tr\u1edf n\u00ean l\u1ed7i th\u1eddi v\u00e0 g\u00e2y hi\u1ec3u l\u1ea7m.<\/p>\n<h3>T\u00e1i c\u1ea5u tr\u00fac s\u01a1 \u0111\u1ed3<\/h3>\n<p>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 vi\u1ec7c t\u00e1i c\u1ea5u tr\u00fac m\u00e3 ngu\u1ed3n, s\u01a1 \u0111\u1ed3 c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch. Lo\u1ea1i b\u1ecf c\u00e1c tr\u1ea1ng th\u00e1i kh\u00f4ng c\u00f2n kh\u1ea3 thi \u0111\u1ec3 truy c\u1eadp. G\u1ed9p c\u00e1c tr\u1ea1ng th\u00e1i tr\u1edf n\u00ean th\u1eeba do thay \u0111\u1ed5i logic.<\/p>\n<ul>\n<li><strong>Chu k\u1ef3 xem x\u00e9t:<\/strong>L\u00ean l\u1ecbch xem x\u00e9t \u0111\u1ecbnh k\u1ef3 c\u00e1c m\u00f4 h\u00ecnh tr\u1ea1ng th\u00e1i trong c\u00e1c bu\u1ed5i t\u1ed5ng k\u1ebft sprint.<\/li>\n<li><strong>Qu\u1ea3n l\u00fd thay \u0111\u1ed5i:<\/strong>C\u1eadp nh\u1eadt s\u01a1 \u0111\u1ed3 m\u1ed7i khi logic chuy\u1ec3n ti\u1ebfp thay \u0111\u1ed5i trong m\u00e3 ngu\u1ed3n.<\/li>\n<\/ul>\n<h3>Ti\u00eau chu\u1ea9n t\u00e0i li\u1ec7u h\u00f3a<\/h3>\n<p>T\u00e0i li\u1ec7u ph\u1ea3i \u0111i k\u00e8m theo s\u01a1 \u0111\u1ed3. N\u00f3 gi\u1ea3i th\u00edch c\u00e1c quy t\u1eafc kinh doanh \u0111\u1eb1ng sau m\u00f4 h\u00ecnh tr\u1ef1c quan.<\/p>\n<ul>\n<li><strong>N\u1ed9i dung ch\u00ednh:<\/strong>Li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c s\u1ef1 ki\u1ec7n, gi\u1ea3i th\u00edch \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 v\u00e0 x\u00e1c \u0111\u1ecbnh ng\u1eef ngh\u0129a h\u00e0nh \u0111\u1ed9ng.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng truy c\u1eadp:<\/strong>Gi\u1eef t\u00e0i li\u1ec7u li\u00ean k\u1ebft v\u1edbi s\u01a1 \u0111\u1ed3 trong kho l\u01b0u tr\u1eef trung t\u00e2m.<\/li>\n<\/ul>\n<h2>C\u00e1c c\u00e2n nh\u1eafc v\u1ec1 tri\u1ec3n khai k\u1ef9 thu\u1eadt \ud83d\udcbb<\/h2>\n<p>M\u1eb7c d\u00f9 s\u01a1 \u0111\u1ed3 l\u00e0 c\u00f4ng c\u1ee5 tr\u1ef1c quan, n\u00f3 th\u01b0\u1eddng th\u00fac \u0111\u1ea9y vi\u1ec7c sinh m\u00e3 ho\u1eb7c tri\u1ec3n khai logic. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u1ea7n hi\u1ec3u c\u00e1ch chuy\u1ec3n \u0111\u1ed5i m\u00f4 h\u00ecnh th\u00e0nh logic th\u1ef1c thi \u0111\u01b0\u1ee3c.<\/p>\n<h3>1. Th\u01b0 vi\u1ec7n M\u00e1y tr\u1ea1ng th\u00e1i<\/h3>\n<p>Nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n cung c\u1ea5p th\u01b0 vi\u1ec7n \u0111\u1ec3 tri\u1ec3n khai logic tr\u1ea1ng th\u00e1i. Nh\u1eefng th\u01b0 vi\u1ec7n n\u00e0y th\u1ef1c thi c\u00e1c quy t\u1eafc \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong s\u01a1 \u0111\u1ed3.<\/p>\n<ul>\n<li><strong>L\u1ee3i \u00edch:<\/strong>Gi\u1ea3m l\u1ed7i l\u1eadp tr\u00ecnh th\u1ee7 c\u00f4ng.<\/li>\n<li><strong>L\u01b0u \u00fd:<\/strong>\u0110\u1ea3m b\u1ea3o th\u01b0 vi\u1ec7n h\u1ed7 tr\u1ee3 c\u00e1c m\u1eabu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n (v\u00ed d\u1ee5: tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed, tr\u1ea1ng th\u00e1i song song).<\/li>\n<\/ul>\n<h3>2. Ki\u1ebfn tr\u00fac Bus s\u1ef1 ki\u1ec7n<\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n, s\u1ef1 ki\u1ec7n th\u01b0\u1eddng \u0111i qua m\u1ed9t bus thay v\u00ec c\u00e1c l\u1eddi g\u1ecdi tr\u1ef1c ti\u1ebfp. S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i ph\u1ea3i t\u00ednh \u0111\u1ebfn th\u1ee9 t\u1ef1 s\u1ef1 ki\u1ec7n v\u00e0 c\u00e1c \u0111\u1ea3m b\u1ea3o giao h\u00e0ng.<\/p>\n<ul>\n<li><strong>L\u01b0u \u00fd:<\/strong> X\u1eed l\u00fd c\u00e1c s\u1ef1 ki\u1ec7n \u0111\u1ebfn kh\u00f4ng theo th\u1ee9 t\u1ef1 m\u1ed9t c\u00e1ch tr\u01a1n tru.<\/li>\n<li><strong>L\u01b0u \u00fd:<\/strong> \u0110\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n tr\u1ea1ng th\u00e1i gi\u1eefa nhi\u1ec1u d\u1ecbch v\u1ee5.<\/li>\n<\/ul>\n<h3>3. G\u1ee1 l\u1ed7i v\u00e0 Ghi nh\u1eadt k\u00fd<\/h3>\n<p>Khi m\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng nh\u01b0 mong \u0111\u1ee3i, nh\u1eadt k\u00fd l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu. H\u1ec7 th\u1ed1ng n\u00ean ghi l\u1ea1i c\u00e1c chuy\u1ec3n \u0111\u1ed5i tr\u1ea1ng th\u00e1i k\u00e8m theo th\u1eddi \u0111i\u1ec3m v\u00e0 chi ti\u1ebft s\u1ef1 ki\u1ec7n.<\/p>\n<ul>\n<li><strong>Chi\u1ebfn l\u01b0\u1ee3c:<\/strong> Tri\u1ec3n khai m\u1ed9t b\u1ed9 ghi nh\u1eadt k\u00fd tr\u1ea1ng th\u00e1i ghi l\u1ea1i m\u1ecdi chuy\u1ec3n \u0111\u1ed5i.<\/li>\n<li><strong>L\u1ee3i \u00edch:<\/strong> Cho ph\u00e9p t\u00e1i hi\u1ec7n c\u00e1c t\u00ecnh hu\u1ed1ng \u0111\u1ec3 t\u00e1i t\u1ea1o l\u1ed7i.<\/li>\n<\/ul>\n<h2>T\u00f3m t\u1eaft nh\u1eefng b\u00e0i h\u1ecdc c\u1ed1t l\u00f5i \ud83c\udfaf<\/h2>\n<p>S\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i l\u00e0 c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c h\u00e0nh vi h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c m\u1eabu v\u00e0 th\u1ef1c h\u00e0nh t\u1ed1t \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp, c\u00e1c \u0111\u1ed9i ng\u0169 c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u00e1ng tin c\u1eady v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec. Nh\u1eefng \u0111i\u1ec3m sau t\u00f3m t\u1eaft nh\u1eefng b\u00e0i h\u1ecdc c\u1ed1t l\u00f5i t\u1eeb h\u01b0\u1edbng d\u1eabn n\u00e0y:<\/p>\n<ul>\n<li><strong>B\u1eaft \u0111\u1ea7u \u0111\u01a1n gi\u1ea3n:<\/strong> B\u1eaft \u0111\u1ea7u v\u1edbi c\u00e1c m\u1eabu tuy\u1ebfn t\u00ednh c\u01a1 b\u1ea3n tr\u01b0\u1edbc khi th\u00eam \u0111\u1ed9 ph\u1ee9c t\u1ea1p nh\u01b0 l\u1ecbch s\u1eed ho\u1eb7c tr\u1ea1ng th\u00e1i song song.<\/li>\n<li><strong>X\u1eed l\u00fd l\u1ed7i:<\/strong> M\u00f4 h\u00ecnh h\u00f3a r\u00f5 r\u00e0ng c\u00e1c tr\u1ea1ng th\u00e1i l\u1ed7i v\u00e0 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn ph\u1ee5c h\u1ed3i. Kh\u00f4ng n\u00ean gi\u1ea3 \u0111\u1ecbnh th\u00e0nh c\u00f4ng.<\/li>\n<li><strong>Gi\u1eef cho s\u1ea1ch s\u1ebd:<\/strong> S\u1eed d\u1ee5ng quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean v\u00e0 chia nh\u1ecf \u0111\u1ec3 tr\u00e1nh l\u1ed9n x\u1ed9n trong s\u01a1 \u0111\u1ed3.<\/li>\n<li><strong>Ki\u1ec3m th\u1eed k\u1ef9 l\u01b0\u1ee1ng:<\/strong> X\u00e1c minh c\u1ea3 tr\u1ea1ng th\u00e1i v\u00e0 chuy\u1ec3n \u0111\u1ed5i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh x\u00e1c v\u1ec1 m\u1eb7t logic.<\/li>\n<li><strong>Lu\u00f4n c\u1eadp nh\u1eadt:<\/strong> Xem s\u01a1 \u0111\u1ed3 nh\u01b0 t\u00e0i li\u1ec7u s\u1ed1ng c\u1ea7n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt c\u00f9ng v\u1edbi s\u1ea3n ph\u1ea9m.<\/li>\n<\/ul>\n<p>Th\u1ef1c hi\u1ec7n c\u00e1c th\u1ef1c h\u00e0nh n\u00e0y \u0111\u00f2i h\u1ecfi k\u1ef7 lu\u1eadt v\u00e0 s\u1ef1 ch\u00fa \u00fd \u0111\u1ebfn chi ti\u1ebft. Tuy nhi\u00ean, l\u1ee3i \u00edch mang l\u1ea1i l\u00e0 m\u1ed9t ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng d\u1ec5 hi\u1ec3u, d\u1ec5 ki\u1ec3m th\u1eed v\u00e0 d\u1ec5 m\u1edf r\u1ed9ng h\u01a1n. Khi c\u00f4ng ngh\u1ec7 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, nhu c\u1ea7u v\u1ec1 c\u00e1c m\u00f4 h\u00ecnh h\u00e0nh vi r\u00f5 r\u00e0ng s\u1ebd ng\u00e0y c\u00e0ng t\u0103ng. S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i v\u1eabn l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i trong b\u1ed9 c\u00f4ng c\u1ee5 c\u1ee7a b\u1ea5t k\u1ef3 ki\u1ebfn tr\u00fac s\u01b0 ph\u1ea7n m\u1ec1m nghi\u00eam t\u00fac n\u00e0o. \ud83d\ude80<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u r\u00f5 r\u00f5 r\u00e0ng v\u1ec1 c\u00e1ch d\u1eef li\u1ec7u v\u00e0 quy tr\u00ecnh di chuy\u1ec3n qua c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau. S\u01a1&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"H\u01b0\u1edbng d\u1eabn v\u1ec1 M\u1eabu S\u01a1 \u0111\u1ed3 Tr\u1ea1ng th\u00e1i v\u00e0 Th\u1ef1c h\u00e0nh T\u1ed1t nh\u1ea5t \ud83d\udcca","_yoast_wpseo_metadesc":"Kh\u00e1m ph\u00e1 c\u00e1c m\u1eabu s\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i ti\u00eau chu\u1ea9n ng\u00e0nh, c\u00e1c k\u1ef9 thu\u1eadt m\u00f4 h\u00ecnh h\u00f3a v\u00e0 th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng b\u1ec1n v\u1eefng. Tr\u00e1nh c\u00e1c t\u00ecnh tr\u1ea1ng ch\u1ebft m\u00e1y v\u00e0 l\u1ed7i.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[35],"tags":[40,41],"class_list":["post-538","post","type-post","status-publish","format-standard","hentry","category-uml","tag-academic","tag-state-machine-diagram"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>H\u01b0\u1edbng d\u1eabn v\u1ec1 M\u1eabu S\u01a1 \u0111\u1ed3 Tr\u1ea1ng th\u00e1i v\u00e0 Th\u1ef1c h\u00e0nh T\u1ed1t nh\u1ea5t \ud83d\udcca<\/title>\n<meta name=\"description\" content=\"Kh\u00e1m ph\u00e1 c\u00e1c m\u1eabu s\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i ti\u00eau chu\u1ea9n ng\u00e0nh, c\u00e1c k\u1ef9 thu\u1eadt m\u00f4 h\u00ecnh h\u00f3a v\u00e0 th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng b\u1ec1n v\u1eefng. 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