{"id":1685,"date":"2026-03-29T21:57:59","date_gmt":"2026-03-29T21:57:59","guid":{"rendered":"https:\/\/www.ez-knowledge.com\/vi\/composite-structure-diagram-case-study\/"},"modified":"2026-03-29T21:57:59","modified_gmt":"2026-03-29T21:57:59","slug":"composite-structure-diagram-case-study","status":"publish","type":"post","link":"https:\/\/www.ez-knowledge.com\/vi\/composite-structure-diagram-case-study\/","title":{"rendered":"Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p v\u1ec1 S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh: T\u1eeb M\u00f4 h\u00ecnh Tr\u1eebu t\u01b0\u1ee3ng \u0111\u1ebfn B\u1ea3n v\u1ebd Chi ti\u1ebft H\u1ec7 th\u1ed1ng Th\u1ef1c t\u1ebf"},"content":{"rendered":"

Trong k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m ph\u1ee9c t\u1ea1p, kho\u1ea3ng c\u00e1ch gi\u1eefa tr\u1eebu t\u01b0\u1ee3ng c\u1ea5p cao v\u00e0 tri\u1ec3n khai c\u1ee5 th\u1ec3 th\u01b0\u1eddng t\u1ea1o ra s\u1ef1 b\u1ea5t ti\u1ec7n. C\u00e1c ki\u1ebfn tr\u00fac s\u01b0 c\u1ea7n m\u1ed9t c\u00e1ch \u0111\u1ec3 tr\u1ef1c quan h\u00f3a c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c c\u1ea5u th\u00e0nh t\u1eeb c\u00e1c b\u1ed9 ph\u1eadn v\u00e0 c\u00e1ch c\u00e1c b\u1ed9 ph\u1eadn n\u00e0y t\u01b0\u01a1ng t\u00e1c b\u00ean trong. \u0110\u00e2y ch\u00ednh l\u00e0 n\u01a1i m\u00e0S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh<\/strong>tr\u1edf n\u00ean thi\u1ebft y\u1ebfu. N\u00f3 v\u01b0\u1ee3t xa c\u00e1c m\u1ed1i quan h\u1ec7 l\u1edbp \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 hi\u1ec3n th\u1ecb c\u00e1ch k\u1ebft n\u1ed1i b\u00ean trong c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i.<\/p>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y \u0111i qua m\u1ed9t nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p to\u00e0n di\u1ec7n. Ch\u00fang ta s\u1ebd xem x\u00e9t c\u00e1ch m\u1ed9t m\u00f4 h\u00ecnh tr\u1eebu t\u01b0\u1ee3ng ph\u00e1t tri\u1ec3n th\u00e0nh b\u1ea3n v\u1ebd chi ti\u1ebft h\u1ec7 th\u1ed1ng ch\u1ee9c n\u0103ng. Ch\u00fang ta s\u1ebd ph\u00e2n t\u00edch c\u01a1 ch\u1ebf c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn, vai tr\u00f2, b\u1ed9 n\u1ed1i v\u00e0 giao di\u1ec7n m\u00e0 kh\u00f4ng tham chi\u1ebfu \u0111\u1ebfn c\u00f4ng c\u1ee5 ph\u1ea7n m\u1ec1m c\u1ee5 th\u1ec3. M\u1ee5c ti\u00eau l\u00e0 hi\u1ec3u r\u00f5 t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng th\u00f4ng qua m\u00f4 h\u00ecnh h\u00f3a nghi\u00eam ng\u1eb7t.<\/p>\n

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

\ud83d\udcd0 Hi\u1ec3u c\u00e1c Kh\u00e1i ni\u1ec7m C\u1ed1t l\u00f5i<\/h2>\n

Tr\u01b0\u1edbc khi b\u01b0\u1edbc v\u00e0o nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p, c\u1ea7n thi\u1ebft ph\u1ea3i n\u1eafm v\u1eefng c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a s\u01a1 \u0111\u1ed3. Kh\u00e1c v\u1edbi s\u01a1 \u0111\u1ed3 L\u1edbp ti\u00eau chu\u1ea9n, th\u1ec3 hi\u1ec7n k\u1ebf th\u1eeba v\u00e0 li\u00ean k\u1ebft, s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh t\u1eadp trung v\u00e0o b\u1ed1 c\u1ee5c b\u00ean trong c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i.<\/p>\n

1. B\u1ed9 ph\u1eadn v\u00e0 Vai tr\u00f2<\/h3>\n

M\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i trong b\u1ed1i c\u1ea3nh n\u00e0y \u0111\u01b0\u1ee3c chia nh\u1ecf th\u00e0nh c\u00e1c b\u1ed9 ph\u1eadn c\u1ea5u th\u00e0nh. M\u1ed7i b\u1ed9 ph\u1eadn l\u00e0 m\u1ed9t th\u1ec3 hi\u1ec7n c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i kh\u00e1c. V\u00ed d\u1ee5, m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1iServer<\/code>c\u00f3 th\u1ec3 bao g\u1ed3m c\u00e1c b\u1ed9 ph\u1eadn nh\u01b0Processor<\/code>, B\u1ed9 nh\u1edb<\/code>, v\u00e0Giao di\u1ec7n M\u1ea1ng<\/code>. C\u00e1c b\u1ed9 ph\u1eadn n\u00e0y \u0111\u01b0\u1ee3c g\u00e1n vai tr\u00f2. M\u1ed9t vai tr\u00f2 x\u00e1c \u0111\u1ecbnh tr\u00e1ch nhi\u1ec7m c\u1ee7a m\u1ed9t b\u1ed9 ph\u1eadn trong b\u1ed1i c\u1ea3nh to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n

    \n
  • B\u1ed9 ph\u1eadn:<\/strong>Th\u1ec3 hi\u1ec7n c\u1ee5 th\u1ec3 ho\u1eb7c th\u00e0nh ph\u1ea7n b\u00ean trong c\u1ea5u tr\u00fac.<\/li>\n
  • Vai tr\u00f2:<\/strong>Giao di\u1ec7n ho\u1eb7c h\u00e0nh vi m\u00e0 b\u1ed9 ph\u1eadn cung c\u1ea5p cho ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n

    2. B\u1ed9 n\u1ed1i v\u00e0 Giao di\u1ec7n<\/h3>\n

    C\u00e1c b\u1ed9 ph\u1eadn kh\u00f4ng t\u1ed3n t\u1ea1i m\u1ed9t c\u00e1ch c\u00f4 l\u1eadp. Ch\u00fang ph\u1ea3i giao ti\u1ebfp v\u1edbi nhau. C\u00e1c b\u1ed9 n\u1ed1i k\u1ebft n\u1ed1i c\u00e1c vai tr\u00f2 c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c nhau. Giao di\u1ec7n x\u00e1c \u0111\u1ecbnh h\u1ee3p \u0111\u1ed3ng cho giao ti\u1ebfp n\u00e0y.<\/p>\n

      \n
    • Giao di\u1ec7n Cung c\u1ea5p:<\/strong>\u0110i\u1ec1u m\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn cung c\u1ea5p cho c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c.<\/li>\n
    • Giao di\u1ec7n Y\u00eau c\u1ea7u:<\/strong>\u0110i\u1ec1u m\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn c\u1ea7n t\u1eeb c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<\/ul>\n

      3. C\u1ed5ng<\/h3>\n

      C\u1ed5ng l\u00e0 c\u00e1c \u0111i\u1ec3m t\u01b0\u01a1ng t\u00e1c c\u1ee5 th\u1ec3 tr\u00ean m\u1ed9t b\u1ed9 ph\u1eadn. Ch\u00fang \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111i\u1ec3m v\u00e0o v\u00e0 ra v\u1eadt l\u00fd ho\u1eb7c logic cho lu\u1ed3ng d\u1eef li\u1ec7u. M\u1ecdi t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u1ed9t th\u00e0nh ph\u1ea7n b\u00ean ngo\u00e0i \u0111\u1ec1u ph\u1ea3i \u0111i qua m\u1ed9t c\u1ed5ng.<\/p>\n

      \ud83c\udfe6 Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p: H\u1ec7 th\u1ed1ng X\u1eed l\u00fd \u0110\u01a1n h\u00e0ng Ph\u00e2n t\u00e1n<\/h2>\n

      \u0110\u1ec3 minh h\u1ecda \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, h\u00e3y xem x\u00e9t m\u1ed9t n\u1ec1n t\u1ea3ng giao d\u1ecbch t\u00e0i ch\u00ednh. H\u1ec7 th\u1ed1ng x\u1eed l\u00fd c\u00e1c \u0111\u01a1n \u0111\u1eb7t h\u00e0ng c\u1ee7a kh\u00e1ch h\u00e0ng, x\u00e1c th\u1ef1c thanh to\u00e1n, c\u1eadp nh\u1eadt kho h\u00e0ng v\u00e0 t\u1ea1o b\u1ea3ng giao h\u00e0ng. Y\u00eau c\u1ea7u kinh doanh l\u00e0 kh\u1ea3 n\u0103ng s\u1eb5n s\u00e0ng cao v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng theo m\u00f4-\u0111un.<\/p>\n

      Giai \u0111o\u1ea1n 1: M\u00f4 h\u00ecnh tr\u1eebu t\u01b0\u1ee3ng<\/h3>\n

      Giai \u0111o\u1ea1n thi\u1ebft k\u1ebf ban \u0111\u1ea7u x\u00e1c \u0111\u1ecbnh OrderProcessor<\/code>l\u00e0 b\u1ed9 ph\u00e2n lo\u1ea1i ch\u00ednh c\u1ea7n \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a. \u0110\u00e2y l\u00e0 h\u1ed9p \u0111en m\u00e0 ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a h\u1ec7 th\u1ed1ng nh\u00ecn th\u1ea5y. Tuy nhi\u00ean, \u0111\u1ec3 \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt x\u00e2y d\u1ef1ng n\u00f3, c\u1ea5u tr\u00fac b\u00ean trong ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebft l\u1ed9.<\/p>\n

      M\u00f4 h\u00ecnh tr\u1eebu t\u01b0\u1ee3ng chia nh\u1ecf OrderProcessor<\/code>th\u00e0nh c\u00e1c ph\u1ea7n ch\u00ednh sau:<\/p>\n

        \n
      • C\u1ed5ng k\u1ebft n\u1ed1i:<\/strong>X\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u HTTP \u0111\u1ebfn.<\/li>\n
      • B\u1ed9 x\u00e1c th\u1ef1c:<\/strong>Ki\u1ec3m tra t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u v\u00e0 c\u00e1c quy t\u1eafc kinh doanh.<\/li>\n
      • Trung t\u00e2m thanh to\u00e1n:<\/strong>Qu\u1ea3n l\u00fd k\u1ebft n\u1ed1i v\u1edbi c\u00e1c c\u1ed5ng thanh to\u00e1n b\u00ean ngo\u00e0i.<\/li>\n
      • Tr\u00ecnh qu\u1ea3n l\u00fd kho:<\/strong>Giao ti\u1ebfp v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u t\u1ed3n kho.<\/li>\n
      • B\u1ed9 ghi nh\u1eadt k\u00fd:<\/strong>Ghi l\u1ea1i t\u1ea5t c\u1ea3 c\u00e1c s\u1ef1 ki\u1ec7n giao d\u1ecbch \u0111\u1ec3 ki\u1ec3m to\u00e1n.<\/li>\n<\/ul>\n

        M\u1ed7i ph\u1ea7n n\u00e0y l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n ph\u1ea7n m\u1ec1m ri\u00eang bi\u1ec7t. S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p m\u00f4 t\u1ea3 c\u00e1ch c\u00e1c ph\u1ea7n n\u00e0y k\u1ebft h\u1ee3p v\u1edbi nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh \u0111\u01a1n v\u1ecb OrderProcessor<\/code>\u0111\u01a1n v\u1ecb.<\/p>\n

        \ud83d\udd17 B\u1ea3n \u0111\u1ed3 k\u1ebft n\u1ed1i: B\u1ea3n v\u1ebd s\u01a1 \u0111\u1ed3 h\u1ec7 th\u1ed1ng th\u1ef1c t\u1ebf<\/h2>\n

        M\u1ed9t khi c\u00e1c ph\u1ea7n \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, tr\u1ecdng t\u00e2m chuy\u1ec3n sang k\u1ebft n\u1ed1i. \u0110\u00e2y l\u00e0 n\u01a1i s\u01a1 \u0111\u1ed3 chuy\u1ec3n t\u1eeb m\u00f4 h\u00ecnh t\u0129nh sang b\u1ea3n v\u1ebd s\u01a1 \u0111\u1ed3 \u0111\u1ed9ng. Ch\u00fang ta ph\u1ea3i x\u00e1c \u0111\u1ecbnh c\u00e1c c\u1ed5ng v\u00e0 giao di\u1ec7n cho t\u1eebng ph\u1ea7n.<\/p>\n

        X\u00e1c \u0111\u1ecbnh giao di\u1ec7n<\/h3>\n

        C\u00e1c giao di\u1ec7n \u0111\u1ea3m b\u1ea3o t\u00ednh t\u00e1ch r\u1eddi l\u1ecfng l\u1ebbo. N\u1ebfu PaymentHub<\/code>thay \u0111\u1ed5i logic n\u1ed9i b\u1ed9, th\u00ec Validator<\/code>kh\u00f4ng n\u00ean b\u1ecb l\u1ed7i, mi\u1ec5n l\u00e0 h\u1ee3p \u0111\u1ed3ng giao di\u1ec7n v\u1eabn gi\u1eef nguy\u00ean.<\/p>\n\n\n\n\n\n\n\n\n
        T\u00ean ph\u1ea7n<\/th>\nGiao di\u1ec7n cung c\u1ea5p<\/th>\nGiao di\u1ec7n y\u00eau c\u1ea7u<\/th>\n<\/tr>\n<\/thead>\n
        C\u1ed5ng<\/td>\nB\u1ed9 x\u1eed l\u00fd y\u00eau c\u1ea7u<\/td>\nD\u1ecbch v\u1ee5 x\u00e1c th\u1ef1c<\/td>\n<\/tr>\n
        B\u1ed9 x\u00e1c th\u1ef1c<\/td>\nK\u1ebft qu\u1ea3 x\u00e1c th\u1ef1c<\/td>\nD\u1ecbch v\u1ee5 kho h\u00e0ng<\/td>\n<\/tr>\n
        Trung t\u00e2m thanh to\u00e1n<\/td>\nTr\u1ea1ng th\u00e1i thanh to\u00e1n<\/td>\nD\u1ecbch v\u1ee5 th\u00f4ng b\u00e1o<\/td>\n<\/tr>\n
        B\u1ed9 qu\u1ea3n l\u00fd kho h\u00e0ng<\/td>\nC\u1eadp nh\u1eadt t\u1ed3n kho<\/td>\nTruy c\u1eadp c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        X\u00e2y d\u1ef1ng c\u00e1c b\u1ed9 n\u1ed1i<\/h3>\n

        C\u00e1c b\u1ed9 n\u1ed1i c\u1ea7u n\u1ed1i kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c giao di\u1ec7n y\u00eau c\u1ea7u v\u00e0 cung c\u1ea5p. Trong b\u1ea3n v\u1ebd s\u01a1 \u0111\u1ed3, ch\u00fang t\u00f4i x\u00e1c \u0111\u1ecbnh lu\u1ed3ng d\u1eef li\u1ec7u.<\/p>\n

          \n
        • Lu\u1ed3ng y\u00eau c\u1ea7u:<\/strong> C\u1ed5ng nh\u1eadn d\u1eef li\u1ec7u. N\u00f3 k\u1ebft n\u1ed1i \u0111\u1ebfn giao di\u1ec7n y\u00eau c\u1ea7u c\u1ee7a B\u1ed9 x\u00e1c th\u1ef1c.<\/li>\n
        • Lu\u1ed3ng x\u00e1c th\u1ef1c:<\/strong> B\u1ed9 x\u00e1c th\u1ef1c x\u1eed l\u00fd d\u1eef li\u1ec7u. N\u00f3 k\u1ebft n\u1ed1i \u0111\u1ebfn giao di\u1ec7n y\u00eau c\u1ea7u c\u1ee7a B\u1ed9 qu\u1ea3n l\u00fd kho h\u00e0ng \u0111\u1ec3 ki\u1ec3m tra t\u00ecnh tr\u1ea1ng s\u1eb5n c\u00f3.<\/li>\n
        • Lu\u1ed3ng thanh to\u00e1n:<\/strong> B\u1ed9 x\u00e1c th\u1ef1c k\u1ebft n\u1ed1i \u0111\u1ebfn Trung t\u00e2m thanh to\u00e1n \u0111\u1ec3 x\u1eed l\u00fd giao d\u1ecbch.<\/li>\n
        • Lu\u1ed3ng ghi nh\u1eadt k\u00fd:<\/strong> T\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ec1u k\u1ebft n\u1ed1i \u0111\u1ebfn giao di\u1ec7n y\u00eau c\u1ea7u c\u1ee7a B\u1ed9 ghi nh\u1eadt k\u00fd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng s\u1ef1 ki\u1ec7n n\u00e0o b\u1ecb m\u1ea5t.<\/li>\n<\/ul>\n

          C\u1ea5u tr\u00fac n\u00e0y ng\u0103n ng\u1eeba \u0111i\u1ec3m l\u1ed7i duy nh\u1ea5t. N\u1ebfu B\u1ed9 ghi nh\u1eadt k\u00fd th\u1ea5t b\u1ea1i, C\u1ed5ng v\u1eabn c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn y\u00eau c\u1ea7u, m\u1eb7c d\u00f9 c\u00e1c b\u1ea3n ghi ki\u1ec3m to\u00e1n c\u00f3 th\u1ec3 b\u1ecb ch\u1eadm tr\u1ec5. S\u01a1 \u0111\u1ed3 l\u00e0m cho c\u00e1c m\u1ed1i ph\u1ee5 thu\u1ed9c n\u00e0y tr\u1edf n\u00ean r\u00f5 r\u00e0ng ngay l\u1eadp t\u1ee9c.<\/p>\n

          \ud83d\udee0\ufe0f Chuy\u1ec3n \u0111\u1ed5i sang tri\u1ec3n khai<\/h2>\n

          S\u01a1 \u0111\u1ed3 n\u00e0y \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i sang m\u00e3 nh\u01b0 th\u1ebf n\u00e0o? C\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p g\u1ee3i \u00fd m\u00f4 h\u00ecnh ki\u1ebfn tr\u00fac vi d\u1ecbch v\u1ee5 ho\u1eb7c ki\u1ebfn tr\u00fac theo l\u1edbp b\u00ean trong container tri\u1ec3n khai.<\/p>\n

          1. T\u1ed5 ch\u1ee9c m\u00f4-\u0111un<\/h3>\n

          M\u1ed7i ph\u1ea7n trong s\u01a1 \u0111\u1ed3 t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t m\u00f4-\u0111un m\u00e3 ho\u1eb7c kh\u00f4ng gian t\u00ean. C\u1ed5ng<\/code> tr\u1edf th\u00e0nh m\u1ed9t m\u00f4-\u0111un \u0111i\u1ec1u khi\u1ec3n chuy\u00ean d\u1ee5ng. C\u00e1c Validator<\/code> tr\u1edf th\u00e0nh l\u1edbp d\u1ecbch v\u1ee5. C\u1ea5u tr\u00fac th\u01b0 m\u1ee5c v\u1eadt l\u00fd ph\u1ea3n \u00e1nh c\u1ea5u tr\u00fac bi\u1ec3u \u0111\u1ed3.<\/p>\n

          2. Ch\u00e8n ph\u1ee5 thu\u1ed9c<\/h3>\n

          C\u00e1c c\u1ed5ng v\u00e0 giao di\u1ec7n \u0111\u01b0\u1ee3c \u00e1nh x\u1ea1 tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u00e1c m\u1eabu ch\u00e8n ph\u1ee5 thu\u1ed9c. C\u00e1c Gateway<\/code> kh\u00f4ng kh\u1edfi t\u1ea1o Validator<\/code>. N\u00f3 y\u00eau c\u1ea7u m\u1ed9t th\u1ec3 hi\u1ec7n th\u1ecfa m\u00e3n giao di\u1ec7n ValidationService<\/code> giao di\u1ec7n. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng v\u1eabn linh ho\u1ea1t cho ki\u1ec3m th\u1eed v\u00e0 thay \u0111\u1ed5i.<\/p>\n

          3. C\u00e1c giao th\u1ee9c giao ti\u1ebfp<\/h3>\n

          C\u00e1c b\u1ed9 n\u1ed1i k\u1ebft \u0111\u1ea1i di\u1ec7n cho giao th\u1ee9c giao ti\u1ebfp. C\u00e1c k\u1ebft n\u1ed1i n\u1ed9i b\u1ed9 trong m\u1ed9t ti\u1ebfn tr\u00ecnh duy nh\u1ea5t c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng l\u1eddi g\u1ecdi ph\u01b0\u01a1ng th\u1ee9c trong b\u1ed9 nh\u1edb. C\u00e1c k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n ri\u00eang bi\u1ec7t \u0111\u01b0\u1ee3c tri\u1ec3n khai tr\u00ean c\u00e1c n\u00fat kh\u00e1c nhau s\u1eed d\u1ee5ng G\u1ecdi Th\u1ee7 t\u1ee5c T\u1eeb xa (RPC) ho\u1eb7c h\u00e0ng \u0111\u1ee3i tin nh\u1eafn. Bi\u1ec3u \u0111\u1ed3 kh\u00f4ng x\u00e1c \u0111\u1ecbnh giao th\u1ee9c c\u1ee5 th\u1ec3, nh\u01b0ng n\u00f3 x\u00e1c \u0111\u1ecbnh nhu c\u1ea7u v\u1ec1 m\u1ed9t giao th\u1ee9c.<\/p>\n

          \u26a0\ufe0f Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn khi m\u00f4 h\u00ecnh h\u00f3a<\/h2>\n

          Vi\u1ec7c t\u1ea1o ra c\u00e1c bi\u1ec3u \u0111\u1ed3 n\u00e0y l\u00e0 \u0111\u01a1n gi\u1ea3n, nh\u01b0ng duy tr\u00ec ch\u00fang \u0111\u00f2i h\u1ecfi s\u1ef1 k\u1ef7 lu\u1eadt. M\u1ed9t s\u1ed1 l\u1ed7i ph\u1ed5 bi\u1ebfn l\u00e0m suy y\u1ebfu gi\u00e1 tr\u1ecb c\u1ee7a m\u00f4 h\u00ecnh.<\/p>\n

            \n
          • Qu\u00e1 thi\u1ebft k\u1ebf:<\/strong> Vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a t\u1eebng bi\u1ebfn ri\u00eang l\u1ebb s\u1ebd t\u1ea1o ra ti\u1ebfng \u1ed3n. T\u1eadp trung v\u00e0o c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u00e0nh vi h\u1ec7 th\u1ed1ng, ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u00e1c thu\u1ed9c t\u00ednh d\u1eef li\u1ec7u.<\/li>\n
          • B\u1ecf qua v\u00f2ng \u0111\u1eddi:<\/strong> C\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ec1u c\u00f3 v\u00f2ng \u0111\u1eddi. M\u1ed9t DatabaseConnection<\/code> th\u00e0nh ph\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c t\u1ea1o tr\u01b0\u1edbc khi QueryProcessor<\/code> s\u1eed d\u1ee5ng n\u00f3 v\u00e0 \u0111\u00f3ng l\u1ea1i khi giao d\u1ecbch k\u1ebft th\u00fac. Bi\u1ec3u \u0111\u1ed3 n\u00ean ch\u1ec9 ra c\u00e1c r\u00e0ng bu\u1ed9c v\u00f2ng \u0111\u1eddi n\u1ebfu \u0111i\u1ec1u \u0111\u00f3 quan tr\u1ecdng.<\/li>\n
          • Thi\u1ebfu giao di\u1ec7n:<\/strong> K\u1ebft n\u1ed1i c\u00e1c th\u00e0nh ph\u1ea7n tr\u1ef1c ti\u1ebfp m\u00e0 kh\u00f4ng c\u00f3 giao di\u1ec7n s\u1ebd t\u1ea1o ra s\u1ef1 ph\u1ee5 thu\u1ed9c ch\u1eb7t ch\u1ebd. \u0110i\u1ec1u n\u00e0y khi\u1ebfn vi\u1ec7c t\u00e1i c\u1ea5u tr\u00fac tr\u1edf n\u00ean kh\u00f3 kh\u0103n. Lu\u00f4n lu\u00f4n x\u00e1c \u0111\u1ecbnh h\u1ee3p \u0111\u1ed3ng tr\u01b0\u1edbc.<\/li>\n
          • Ph\u1ee5 thu\u1ed9c v\u00f2ng:<\/strong> N\u1ebfu Th\u00e0nh ph\u1ea7n A y\u00eau c\u1ea7u Th\u00e0nh ph\u1ea7n B, v\u00e0 Th\u00e0nh ph\u1ea7n B y\u00eau c\u1ea7u Th\u00e0nh ph\u1ea7n A, h\u1ec7 th\u1ed1ng s\u1ebd kh\u00f4ng th\u1ec3 kh\u1edfi t\u1ea1o. Bi\u1ec3u \u0111\u1ed3 gi\u00fap h\u00ecnh dung nh\u1eefng v\u00f2ng l\u1eb7p n\u00e0y s\u1edbm.<\/li>\n<\/ul>\n

            \ud83d\udcca So s\u00e1nh: Bi\u1ec3u \u0111\u1ed3 l\u1edbp vs. Bi\u1ec3u \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh<\/h2>\n

            Hi\u1ec3u \u0111\u01b0\u1ee3c khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng bi\u1ec3u \u0111\u1ed3 n\u00e0o l\u00e0 \u0111i\u1ec1u then ch\u1ed1t cho vi\u1ec7c t\u00e0i li\u1ec7u h\u00f3a hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n\n\n\n\n\n
            T\u00ednh n\u0103ng<\/th>\nS\u01a1 \u0111\u1ed3 l\u1edbp<\/th>\nS\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh<\/th>\n<\/tr>\n<\/thead>\n
            Tr\u1ecdng t\u00e2m<\/td>\nC\u00e1c m\u1ed1i quan h\u1ec7 t\u0129nh gi\u1eefa c\u00e1c l\u1edbp<\/td>\nS\u1ef1 k\u1ebft h\u1ee3p n\u1ed9i b\u1ed9 c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i duy nh\u1ea5t<\/td>\n<\/tr>\n
            M\u1ee9c \u0111\u1ed9 chi ti\u1ebft<\/td>\nThu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c c\u1ea5p cao<\/td>\nC\u00e1c b\u1ed9 ph\u1eadn, c\u1ed5ng v\u00e0 b\u1ed9 n\u1ed1i c\u1ea5p th\u1ea5p<\/td>\n<\/tr>\n
            D\u00f9ng t\u1ed1t nh\u1ea5t cho<\/td>\nM\u00f4 h\u00ecnh h\u00f3a mi\u1ec1n v\u00e0 l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/td>\nThi\u1ebft k\u1ebf ki\u1ebfn tr\u00fac v\u00e0 topo tri\u1ec3n khai<\/td>\n<\/tr>\n
            \u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/td>\nC\u00f3 th\u1ec3 tr\u1edf n\u00ean l\u1edbn nhanh ch\u00f3ng<\/td>\nH\u1ea1n ch\u1ebf trong c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee5 th\u1ec3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            \ud83d\ude80 C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac<\/h2>\n

            \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o b\u1ea3n v\u1ebd s\u01a1 \u0111\u1ed3 v\u1eabn h\u1eefu \u00edch trong su\u1ed1t v\u00f2ng \u0111\u1eddi d\u1ef1 \u00e1n, h\u00e3y tu\u00e2n theo c\u00e1c h\u01b0\u1edbng d\u1eabn n\u00e0y.<\/p>\n

            1. Gi\u1eef n\u00f3 theo l\u1edbp<\/h3>\n

            Kh\u00f4ng tr\u1ed9n l\u1eabn c\u00e1c v\u1ea5n \u0111\u1ec1. L\u1edbp tr\u00ecnh b\u00e0y kh\u00f4ng n\u00ean xu\u1ea5t hi\u1ec7n trong c\u00f9ng m\u1ed9t s\u01a1 \u0111\u1ed3 v\u1edbi l\u1edbp l\u01b0u tr\u1eef d\u1eef li\u1ec7u. Nh\u00f3m c\u00e1c b\u1ed9 ph\u1eadn theo tr\u00e1ch nhi\u1ec7m ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang. N\u1ebfu m\u1ed9t s\u01a1 \u0111\u1ed3 tr\u1edf n\u00ean qu\u00e1 ch\u1eadt ch\u1ed9i, th\u00ec n\u00f3 \u0111\u00e3 th\u1ea5t b\u1ea1i m\u1ee5c \u0111\u00edch c\u1ee7a m\u00ecnh.<\/p>\n

            2. S\u1eed d\u1ee5ng c\u00e1c ki\u1ec3u d\u00e1ng<\/h3>\n

            Khi m\u00f4 t\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c ki\u1ec3u d\u00e1ng \u0111\u1ec3 ch\u1ec9 ra b\u1ea3n ch\u1ea5t c\u1ee7a ch\u00fang. V\u00ed d\u1ee5, m\u1ed9t <<Singleton>><\/code> b\u1ed9 ph\u1eadn \u0111\u1ea3m b\u1ea3o ch\u1ec9 t\u1ed3n t\u1ea1i m\u1ed9t th\u1ec3 hi\u1ec7n duy nh\u1ea5t. M\u1ed9t <<Stateless>><\/code> b\u1ed9 ph\u1eadn cho bi\u1ebft n\u00f3 kh\u00f4ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u gi\u1eefa c\u00e1c y\u00eau c\u1ea7u. \u0110i\u1ec1u n\u00e0y th\u00eam \u00fd ngh\u0129a ng\u1eef ngh\u0129a m\u00e0 kh\u00f4ng l\u00e0m r\u1ed1i m\u1eaft.<\/p>\n

            3. X\u00e1c minh theo c\u00e1c r\u00e0ng bu\u1ed9c<\/h3>\n

            Tr\u01b0\u1edbc khi tri\u1ec3n khai b\u1eaft \u0111\u1ea7u, h\u00e3y x\u00e1c minh s\u01a1 \u0111\u1ed3 theo c\u00e1c y\u00eau c\u1ea7u phi ch\u1ee9c n\u0103ng. C\u1ea5u tr\u00fac c\u00f3 h\u1ed7 tr\u1ee3 b\u0103ng th\u00f4ng y\u00eau c\u1ea7u kh\u00f4ng? C\u00e1c b\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng \u0111\u1ed9c l\u1eadp kh\u00f4ng? N\u1ebfu s\u01a1 \u0111\u1ed3 cho th\u1ea5y m\u1ed9t \u0111i\u1ec3m ngh\u1ebdn duy nh\u1ea5t, th\u00ec b\u1ea3n v\u1ebd s\u01a1 \u0111\u1ed3 l\u00e0 sai l\u1ec7ch b\u1ea5t k\u1ec3 logic c\u00f3 \u0111\u00fang hay kh\u00f4ng.<\/p>\n

            4. Ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n m\u00f4 h\u00ecnh<\/h3>\n

            S\u01a1 \u0111\u1ed3 l\u00e0 m\u1ed9t t\u00e0i li\u1ec7u s\u1ed1ng. Khi h\u1ec7 th\u1ed1ng ph\u00e1t tri\u1ec3n, c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh thay \u0111\u1ed5i. X\u1eed l\u00fd s\u01a1 \u0111\u1ed3 theo c\u00f9ng m\u1ed9t nguy\u00ean t\u1eafc ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n nh\u01b0 m\u00e3 ngu\u1ed3n. Ghi ch\u00e9p l\u1ea1i nh\u1eefng g\u00ec \u0111\u00e3 thay \u0111\u1ed5i v\u00e0 l\u00fd do t\u1ea1i sao.<\/p>\n

            \ud83d\udd0d Kh\u00e1m ph\u00e1 s\u00e2u: Th\u00e0nh ph\u1ea7n C\u1ed5ng<\/h2>\n

            H\u00e3y c\u00f9ng ch\u00fang ta xem x\u00e9t C\u1ed5ng<\/code> ph\u1ea7n chi ti\u1ebft h\u01a1n \u0111\u1ec3 minh h\u1ecda m\u1ee9c \u0111\u1ed9 ph\u00e2n t\u00edch c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u1edbi c\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y.<\/p>\n

            C\u00e1i C\u1ed5ng<\/code>l\u00e0 \u0111i\u1ec3m v\u00e0o. Trong s\u01a1 \u0111\u1ed3, n\u00f3 c\u00f3 m\u1ed9t giao di\u1ec7n cung c\u1ea5p (RequestHandler<\/code>) v\u00e0 nhi\u1ec1u giao di\u1ec7n y\u00eau c\u1ea7u.<\/p>\n

              \n
            • AuthenticationRequired:<\/strong>K\u1ebft n\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng b\u1ea3o m\u1eadt.<\/li>\n
            • RoutingRequired:<\/strong>K\u1ebft n\u1ed1i v\u1edbi b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn n\u1ed9i b\u1ed9.<\/li>\n
            • LoggingRequired:<\/strong>K\u1ebft n\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng ki\u1ec3m to\u00e1n.<\/li>\n<\/ul>\n

              Vi\u1ec7c ph\u00e2n r\u00e3 n\u00e0y cho ph\u00e9p \u0111\u1ed9i k\u1ef9 thu\u1eadt ph\u00e2n c\u00f4ng c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n kh\u00e1c nhau cho c\u00e1c t\u00ednh n\u0103ng con kh\u00e1c nhau. \u0110\u1ed9i b\u1ea3o m\u1eadt l\u00e0m vi\u1ec7c tr\u00ean c\u1ed5ng x\u00e1c th\u1ef1c. \u0110\u1ed9i \u0111\u1ecbnh tuy\u1ebfn l\u00e0m vi\u1ec7c tr\u00ean c\u1ed5ng \u0111\u1ecbnh tuy\u1ebfn. Vi\u1ec7c t\u00edch h\u1ee3p \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi s\u01a1 \u0111\u1ed3.<\/p>\n

              H\u01a1n n\u1eefa, s\u01a1 \u0111\u1ed3 gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt. N\u1ebfu giao di\u1ec7n LoggingRequired<\/code>kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7, d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m c\u00f3 th\u1ec3 b\u1ecb r\u00f2 r\u1ec9. G\u00f3c nh\u00ecn c\u1ea5u tr\u00fac bu\u1ed9c \u0111\u1ed9i ng\u0169 ph\u1ea3i xem x\u00e9t b\u1ea3o m\u1eadt \u1edf c\u1ea5p \u0111\u1ed9 th\u00e0nh ph\u1ea7n, ch\u1ee9 kh\u00f4ng ch\u1ec9 \u1edf c\u1ea5p \u0111\u1ed9 \u1ee9ng d\u1ee5ng.<\/p>\n

              \ud83d\udd04 Quy tr\u00ecnh tinh ch\u1ec9nh l\u1eb7p l\u1ea1i<\/h2>\n

              Vi\u1ec7c x\u00e2y d\u1ef1ng b\u1ea3n v\u1ebd s\u01a1 b\u1ed9 hi\u1ebfm khi l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh tuy\u1ebfn t\u00ednh. N\u00f3 bao g\u1ed3m c\u00e1c v\u00f2ng l\u1eb7p.<\/p>\n

                \n
              1. V\u1ebd ph\u00e1c:<\/strong>T\u1ea1o c\u1ea5u tr\u00fac ban \u0111\u1ea7u d\u1ef1a tr\u00ean y\u00eau c\u1ea7u.<\/li>\n
              2. Xem x\u00e9t:<\/strong>C\u00e1c b\u00ean li\u00ean quan xem x\u00e9t c\u00e1c ph\u1ea7n v\u00e0 giao di\u1ec7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ea7y \u0111\u1ee7.<\/li>\n
              3. Ph\u00e2n t\u00edch kho\u1ea3ng tr\u1ed1ng:<\/strong>X\u00e1c \u0111\u1ecbnh c\u00e1c giao di\u1ec7n b\u1ecb thi\u1ebfu ho\u1eb7c c\u00e1c ph\u1ea7n ch\u01b0a k\u1ebft n\u1ed1i.<\/li>\n
              4. Tinh ch\u1ec9nh:<\/strong>\u0110i\u1ec1u ch\u1ec9nh c\u1ea5u tr\u00fac \u0111\u1ec3 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t ho\u1eb7c b\u1ea3o m\u1eadt.<\/li>\n
              5. Ho\u00e0n thi\u1ec7n:<\/strong>Kh\u00f3a c\u1ea5u tr\u00fac \u0111\u1ec3 tri\u1ec3n khai.<\/li>\n<\/ol>\n

                Trong giai \u0111o\u1ea1n tinh ch\u1ec9nh, b\u1ea1n c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng hai ph\u1ea7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u1ed9p l\u1ea1i. V\u00ed d\u1ee5, n\u1ebfu B\u1ed9 x\u00e1c th\u1ef1c<\/code> v\u00e0 Qu\u1ea3n l\u00fd kho<\/code>chia s\u1ebb qu\u00e1 nhi\u1ec1u c\u1ea5u tr\u00fac d\u1eef li\u1ec7u n\u1ed9i b\u1ed9, ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p th\u00e0nh m\u1ed9t ph\u1ea7n duy nh\u1ea5t v\u1edbi c\u00e1c ph\u1ea7n con n\u1ed9i b\u1ed9. S\u01a1 \u0111\u1ed3 cho ph\u00e9p b\u1ea1n tr\u1ef1c quan h\u00f3a vi\u1ec7c h\u1ee3p nh\u1ea5t n\u00e0y m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng.<\/p>\n

                \ud83e\udde9 K\u1ebft lu\u1eadn v\u1ec1 thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac<\/h2>\n

                S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u00e2y c\u1ea7u quan tr\u1ecdng gi\u1eefa thi\u1ebft k\u1ebf tr\u1eebu t\u01b0\u1ee3ng v\u00e0 th\u1ef1c t\u1ebf c\u1ee5 th\u1ec3. N\u00f3 bu\u1ed9c c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 ph\u1ea3i suy ngh\u0129 v\u1ec1 c\u1ea5u th\u00e0nh n\u1ed9i b\u1ed9 c\u1ee7a h\u1ec7 th\u1ed1ng, ch\u1ee9 kh\u00f4ng ch\u1ec9 l\u00e0 c\u00e1c k\u1ebft n\u1ed1i gi\u1eefa ch\u00fang. B\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh c\u00e1c ph\u1ea7n, vai tr\u00f2, c\u1ed5ng v\u00e0 giao di\u1ec7n, c\u00e1c \u0111\u1ed9i ng\u0169 c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng mang t\u00ednh module, d\u1ec5 b\u1ea3o tr\u00ec v\u00e0 m\u1edf r\u1ed9ng.<\/p>\n

                M\u1eb7c d\u00f9 n\u00f3 \u0111\u00f2i h\u1ecfi n\u1ed7 l\u1ef1c ban \u0111\u1ea7u, nh\u01b0ng l\u1ee3i \u00edch \u0111\u1ea7u t\u01b0 l\u00e0 r\u1ea5t l\u1edbn. Khi x\u1ea3y ra s\u1ef1 c\u1ed1 trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t, s\u01a1 \u0111\u1ed3 cung c\u1ea5p b\u1ea3n \u0111\u1ed3 \u0111\u1ec3 nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m l\u1ed7i. N\u00f3 gi\u1ea3m t\u1ea3i nh\u1eadn th\u1ee9c cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n b\u1eb1ng c\u00e1ch l\u00e0m r\u00f5 ranh gi\u1edbi v\u00e0 tr\u00e1ch nhi\u1ec7m.<\/p>\n

                Vi\u1ec7c \u00e1p d\u1ee5ng k\u1ef9 thu\u1eadt m\u00f4 h\u00ecnh h\u00f3a n\u00e0y \u0111\u1ea3m b\u1ea3o b\u1ea3n v\u1ebd s\u01a1 \u0111\u1ed3 h\u1ec7 th\u1ed1ng v\u1eabn ch\u00ednh x\u00e1c khi m\u00f4i tr\u01b0\u1eddng c\u00f4ng ngh\u1ec7 thay \u0111\u1ed5i. \u0110\u00e2y l\u00e0 c\u00f4ng c\u1ee5 n\u1ec1n t\u1ea3ng cho k\u1ef9 thu\u1eadt x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng v\u1eefng ch\u1eafc.<\/p>\n","protected":false},"excerpt":{"rendered":"

                Trong k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m ph\u1ee9c t\u1ea1p, kho\u1ea3ng c\u00e1ch gi\u1eefa tr\u1eebu t\u01b0\u1ee3ng c\u1ea5p cao v\u00e0 tri\u1ec3n khai c\u1ee5 th\u1ec3 th\u01b0\u1eddng t\u1ea1o ra s\u1ef1 b\u1ea5t ti\u1ec7n. C\u00e1c ki\u1ebfn tr\u00fac s\u01b0 c\u1ea7n…<\/p>\n","protected":false},"author":1,"featured_media":1686,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p: T\u1eeb m\u00f4 h\u00ecnh \u0111\u1ebfn b\u1ea3n v\u1ebd s\u01a1 \u0111\u1ed3 \ud83c\udfd7\ufe0f","_yoast_wpseo_metadesc":"Kh\u00e1m ph\u00e1 m\u1ed9t nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p th\u1ef1c t\u1ebf v\u1ec1 S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p. H\u1ecdc c\u00e1ch chuy\u1ec3n \u0111\u1ed5i c\u00e1c m\u00f4 h\u00ecnh UML tr\u1eebu t\u01b0\u1ee3ng th\u00e0nh b\u1ea3n v\u1ebd s\u01a1 \u0111\u1ed3 h\u1ec7 th\u1ed1ng ch\u1ee9c n\u0103ng. \ud83d\udcd0","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[77],"tags":[80,86],"class_list":["post-1685","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uml","tag-academic","tag-composite-structure-diagram"],"yoast_head":"\nNghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p: T\u1eeb m\u00f4 h\u00ecnh \u0111\u1ebfn b\u1ea3n v\u1ebd s\u01a1 \u0111\u1ed3 \ud83c\udfd7\ufe0f<\/title>\n<meta name=\"description\" content=\"Kh\u00e1m ph\u00e1 m\u1ed9t nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p th\u1ef1c t\u1ebf v\u1ec1 S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p. 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