{"id":616,"date":"2026-04-02T11:28:00","date_gmt":"2026-04-02T11:28:00","guid":{"rendered":"https:\/\/www.viz-tools.com\/vi\/why-uml-activity-diagrams-look-messy-how-to-fix\/"},"modified":"2026-04-02T11:28:00","modified_gmt":"2026-04-02T11:28:00","slug":"why-uml-activity-diagrams-look-messy-how-to-fix","status":"publish","type":"post","link":"https:\/\/www.viz-tools.com\/vi\/why-uml-activity-diagrams-look-messy-how-to-fix\/","title":{"rendered":"T\u1ea1i sao s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML c\u1ee7a b\u1ea1n tr\u00f4ng l\u1ed9n x\u1ed9n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c ch\u00fang"},"content":{"rendered":"

Vi\u1ec7c t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML r\u00f5 r\u00e0ng v\u00e0 hi\u1ec7u qu\u1ea3 l\u00e0 k\u1ef9 n\u0103ng then ch\u1ed1t \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 nh\u00e0 ph\u00e2n t\u00edch hay nh\u00e0 ph\u00e1t tri\u1ec3n n\u00e0o. Tuy nhi\u00ean, nhi\u1ec1u chuy\u00ean gia v\u1eabn g\u1eb7p kh\u00f3 kh\u0103n v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 tr\u00f4ng l\u1ed9n x\u1ed9n, g\u00e2y nh\u1ea7m l\u1eabn ho\u1eb7c ho\u00e0n to\u00e0n kh\u00f4ng th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c. Khi c\u00e1c b\u00ean li\u00ean quan xem x\u00e9t m\u1ed9t b\u1ea3n \u0111\u1ed3 lu\u1ed3ng c\u00f4ng vi\u1ec7c ph\u1ee9c t\u1ea1p, h\u1ecd kh\u00f4ng n\u00ean ph\u1ea3i suy \u0111o\u00e1n \u00fd \u0111\u1ecbnh c\u1ee7a lu\u1ed3ng. H\u1ecd c\u1ea7n nh\u1eadn ra \u0111i\u1ec1u \u0111\u00f3 ngay l\u1eadp t\u1ee9c. H\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn d\u1eabn \u0111\u1ebfn s\u01a1 \u0111\u1ed3 l\u1ed9n x\u1ed9n v\u00e0 cung c\u1ea5p c\u00e1c chi\u1ebfn l\u01b0\u1ee3c c\u1ee5 th\u1ec3 \u0111\u1ec3 kh\u00f4i ph\u1ee5c s\u1ef1 r\u00f5 r\u00e0ng v\u00e0 ch\u00ednh x\u00e1c cho c\u00e1c n\u1ed7 l\u1ef1c m\u00f4 h\u00ecnh h\u00f3a c\u1ee7a b\u1ea1n.<\/p>\n

M\u1ed9t s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac t\u1ed1t s\u1ebd truy\u1ec1n \u0111\u1ea1t logic, c\u00e1c m\u1ed1i ph\u1ee5 thu\u1ed9c v\u00e0 c\u00e1c \u0111i\u1ec3m ra quy\u1ebft \u0111\u1ecbnh m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng, kh\u00f4ng g\u00e2y hi\u1ec3u l\u1ea7m. M\u1ed9t s\u01a1 \u0111\u1ed3 l\u1ed9n x\u1ed9n s\u1ebd che gi\u1ea5u nh\u1eefng chi ti\u1ebft n\u00e0y, d\u1eabn \u0111\u1ebfn hi\u1ec3u nh\u1ea7m v\u00e0 nh\u1eefng l\u1ed7i t\u1ed1n k\u00e9m trong qu\u00e1 tr\u00ecnh tri\u1ec3n khai. B\u1eb1ng c\u00e1ch t\u1eadp trung v\u00e0o c\u00e1c nguy\u00ean t\u1eafc b\u1ed1 c\u1ee5c, \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 m\u1eb7t ng\u1eef ngh\u0129a v\u00e0 k\u1ef7 lu\u1eadt v\u1ec1 c\u1ea5u tr\u00fac, b\u1ea1n c\u00f3 th\u1ec3 bi\u1ebfn nh\u1eefng b\u1ea3n ph\u00e1c h\u1ecda h\u1ed7n lo\u1ea1n th\u00e0nh t\u00e0i li\u1ec7u chuy\u00ean nghi\u1ec7p.<\/p>\n

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\"Hand-drawn<\/figure>\n<\/div>\n

Hi\u1ec3u r\u00f5 nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn s\u01a1 \u0111\u1ed3 l\u1ed9n x\u1ed9n \ud83e\uddd0<\/h2>\n

Tr\u01b0\u1edbc khi \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c, c\u1ea7n ch\u1ea9n \u0111o\u00e1n ngu\u1ed3n g\u1ed1c c\u1ee7a s\u1ef1 nhi\u1ec5u th\u1ecb gi\u00e1c. S\u1ef1 l\u1ed9n x\u1ed9n hi\u1ebfm khi x\u1ea3y ra ng\u1eabu nhi\u00ean; th\u01b0\u1eddng xu\u1ea5t ph\u00e1t t\u1eeb nh\u1eefng th\u00f3i quen c\u1ee5 th\u1ec3 ho\u1eb7c thi\u1ebfu c\u00e1c h\u01b0\u1edbng d\u1eabn c\u1ea7n thi\u1ebft. C\u00e1c \u0111i\u1ec3m sau \u0111\u00e2y n\u00eau r\u00f5 nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n

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  • Ch\u1eadt ch\u1ed9i:<\/strong> C\u1ed1 g\u1eafng \u0111\u01b0a to\u00e0n b\u1ed9 quy tr\u00ecnh h\u1ec7 th\u1ed1ng v\u00e0o m\u1ed9t trang duy nh\u1ea5t khi\u1ebfn c\u00e1c th\u00e0nh ph\u1ea7n b\u1ecb \u00e9p v\u00e0o kh\u00f4ng gian ch\u1eadt h\u1eb9p.<\/li>\n
  • Lu\u1ed3ng kh\u00f4ng nh\u1ea5t qu\u00e1n:<\/strong> C\u00e1c m\u0169i t\u00ean ch\u00e9o nhau t\u1ea1o hi\u1ec7u \u1ee9ng ‘b\u00fan b\u00f2’ l\u00e0m gi\u00e1n \u0111o\u1ea1n \u0111\u01b0\u1eddng \u0111\u1ecdc.<\/li>\n
  • \u0110\u1ed9 chi ti\u1ebft h\u1ed7n h\u1ee3p:<\/strong> Tr\u1ed9n l\u1eabn c\u00e1c b\u01b0\u1edbc nghi\u1ec7p v\u1ee5 c\u1ea5p cao v\u1edbi logic k\u1ef9 thu\u1eadt c\u1ea5p th\u1ea5p khi\u1ebfn ng\u01b0\u1eddi xem b\u1ed1i r\u1ed1i.<\/li>\n
  • B\u1ecf qua c\u00e1c l\u00e0n \u0111\u01b0\u1eddng b\u01a1i (swimlanes):<\/strong> Kh\u00f4ng t\u00e1ch bi\u1ec7t tr\u00e1ch nhi\u1ec7m theo t\u00e1c nh\u00e2n ho\u1eb7c t\u1ea7ng h\u1ec7 th\u1ed1ng khi\u1ebfn quy\u1ec1n s\u1edf h\u1eefu tr\u1edf n\u00ean kh\u00f4ng r\u00f5 r\u00e0ng.<\/li>\n
  • Nh\u00e3n d\u00e1n k\u00e9m:<\/strong> C\u00e1c t\u00ean h\u00e0nh \u0111\u1ed9ng m\u01a1 h\u1ed3 nh\u01b0 \u201cX\u1eed l\u00fd D\u1eef li\u1ec7u\u201d thay v\u00ec \u201cX\u00e1c th\u1ef1c \u0110\u1ea7u v\u00e0o Ng\u01b0\u1eddi d\u00f9ng\u201d l\u00e0m t\u0103ng t\u1ea3i nh\u1eadn th\u1ee9c.<\/li>\n<\/ul>\n

    Khi b\u1ea1n nh\u1eadn ra nh\u1eefng m\u1eabu n\u00e0y trong c\u00f4ng vi\u1ec7c c\u1ee7a m\u00ecnh, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u \u00e1p d\u1ee5ng c\u00e1c \u0111i\u1ec1u ch\u1ec9nh c\u1ea5u tr\u00fac ngay l\u1eadp t\u1ee9c.<\/p>\n

    Nh\u1eefng v\u1ea5n \u0111\u1ec1 c\u1ea5u tr\u00fac l\u00e0m m\u1ea5t t\u00ednh r\u00f5 r\u00e0ng \ud83c\udfd7\ufe0f<\/h2>\n

    C\u1ea5u tr\u00fac quy\u1ebft \u0111\u1ecbnh c\u00e1ch th\u00f4ng tin \u0111\u01b0\u1ee3c x\u1eed l\u00fd. N\u1ebfu ki\u1ebfn tr\u00fac n\u1ec1n t\u1ea3ng c\u1ee7a s\u01a1 \u0111\u1ed3 b\u1ecb l\u1ed7i, th\u00ec d\u00f9 c\u00f3 t\u00f4 m\u00e0u hay thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc \u0111\u1ebfn \u0111\u00e2u c\u0169ng kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng th\u00f3i quen c\u1ea5u tr\u00fac c\u1ea7n tr\u00e1nh.<\/p>\n

    1. Thi\u1ebfu s\u1ef1 ph\u00e2n r\u00e3<\/h3>\n

    Vi\u1ec7c c\u1ed1 g\u1eafng m\u00f4 h\u00ecnh h\u00f3a m\u1ed9t quy tr\u00ecnh nghi\u1ec7p v\u1ee5 ph\u1ee9c t\u1ea1p trong m\u1ed9t l\u1ea7n l\u00e0 sai l\u1ea7m ph\u1ed5 bi\u1ebfn. M\u1ed9t s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng duy nh\u1ea5t kh\u00f4ng n\u00ean ch\u1ee9a t\u1ea5t c\u1ea3 c\u00e1c b\u01b0\u1edbc c\u1ee7a m\u1ed9t quy tr\u00ecnh k\u00e9o d\u00e0i nhi\u1ec1u ng\u00e0y. Thay v\u00e0o \u0111\u00f3, h\u00e3y s\u1eed d\u1ee5ng m\u00f4 h\u00ecnh h\u00f3a ph\u00e2n c\u1ea5p. T\u1ea1o s\u01a1 \u0111\u1ed3 t\u1ed5ng quan c\u1ea5p cao v\u00e0 li\u00ean k\u1ebft v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 con chi ti\u1ebft cho t\u1eebng ph\u1ea7n c\u1ee5 th\u1ec3.<\/p>\n

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    • G\u00f3c nh\u00ecn c\u1ea5p cao:<\/strong> Hi\u1ec3n th\u1ecb c\u00e1c giai \u0111o\u1ea1n ch\u00ednh (v\u00ed d\u1ee5: Nh\u1eadn \u0111\u01a1n h\u00e0ng, Thanh to\u00e1n, Giao h\u00e0ng).<\/li>\n
    • G\u00f3c nh\u00ecn c\u1ea5p th\u1ea5p:<\/strong> \u0110i s\u00e2u v\u00e0o m\u1ed9t giai \u0111o\u1ea1n (v\u00ed d\u1ee5: X\u00e1c th\u1ef1c Thanh to\u00e1n) v\u1edbi c\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh c\u1ee5 th\u1ec3.<\/li>\n<\/ul>\n

      C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y gi\u00fap s\u01a1 \u0111\u1ed3 ch\u00ednh lu\u00f4n g\u1ecdn g\u00e0ng v\u00e0 cho ph\u00e9p ng\u01b0\u1eddi \u0111\u1ecdc t\u1eadp trung v\u00e0o m\u1ee9c \u0111\u1ed9 chi ti\u1ebft h\u1ecd c\u1ea7n.<\/p>\n

      2. C\u00e1c \u0111i\u1ec3m chia nh\u00e1nh v\u00e0 h\u1ee3p nh\u1ea5t kh\u00f4ng ki\u1ec3m so\u00e1t<\/h3>\n

      C\u00e1c \u0111i\u1ec3m chia nh\u00e1nh v\u00e0 h\u1ee3p nh\u1ea5t lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n l\u00e0 thi\u1ebft y\u1ebfu cho x\u1eed l\u00fd song song, nh\u01b0ng th\u01b0\u1eddng b\u1ecb s\u1eed d\u1ee5ng sai. Vi\u1ec7c l\u1ea1m d\u1ee5ng c\u00e1c nh\u00e1nh song song m\u00e0 kh\u00f4ng c\u00f3 \u0111i\u1ec3m \u0111\u1ed3ng b\u1ed9 r\u00f5 r\u00e0ng s\u1ebd t\u1ea1o ra nhi\u1ec5u th\u1ecb gi\u00e1c. \u0110\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i \u0111i\u1ec3m chia nh\u00e1nh \u0111\u1ec1u c\u00f3 \u0111i\u1ec3m h\u1ee3p nh\u1ea5t t\u01b0\u01a1ng \u1ee9ng, tr\u1eeb khi lu\u1ed3ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 l\u00e0 \u0111\u1ed9c l\u1eadp.<\/p>\n

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      • Ki\u1ec3m tra \u0111\u1ed3ng b\u1ed9:<\/strong> C\u00e1c lu\u1ed3ng song song c\u00f3 h\u1ed9i t\u1ee5 m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd kh\u00f4ng?<\/li>\n
      • H\u1ea1n ch\u1ebf nh\u00e1nh:<\/strong> Tr\u00e1nh c\u00f3 qu\u00e1 ba nh\u00e1nh song song trong m\u1ed9t b\u1ea3n xem duy nh\u1ea5t n\u1ebfu c\u00f3 th\u1ec3.<\/li>\n
      • S\u1eed d\u1ee5ng k\u00fd hi\u1ec7u thanh:<\/strong>R\u00f5 r\u00e0ng \u0111\u00e1nh d\u1ea5u \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u v\u00e0 k\u1ebft th\u00fac c\u1ee7a c\u00e1c \u0111o\u1ea1n song song b\u1eb1ng c\u00e1c thanh d\u00e0y.<\/li>\n<\/ul>\n

        3. C\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh b\u1ecb thi\u1ebfu ho\u1eb7c m\u01a1 h\u1ed3<\/h3>\n

        C\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh (h\u00ecnh thoi) l\u00e0 n\u01a1i logic t\u00e1ch nh\u00e1nh. N\u1ebfu m\u1ed9t n\u00fat quy\u1ebft \u0111\u1ecbnh c\u00f3 ba ho\u1eb7c b\u1ed1n nh\u00e1nh m\u00e0 kh\u00f4ng c\u00f3 nh\u00e3n r\u00f5 r\u00e0ng, ng\u01b0\u1eddi \u0111\u1ecdc ph\u1ea3i suy ngh\u0129 l\u1ea1i t\u1eeb \u0111\u1ea7u \u0111\u1ec3 hi\u1ec3u \u0111i\u1ec1u ki\u1ec7n. M\u1ed7i nh\u00e1nh ra ph\u1ea3i \u0111\u01b0\u1ee3c g\u00e1n nh\u00e3n b\u1eb1ng \u0111i\u1ec1u ki\u1ec7n logic (v\u00ed d\u1ee5: \u201cC\u00f3\u201d, \u201cKh\u00f4ng\u201d, \u201cH\u1ee3p l\u1ec7\u201d, \u201cKh\u00f4ng h\u1ee3p l\u1ec7\u201d).<\/p>\n

        S\u1ef1 nh\u1ea7m l\u1eabn v\u1ec1 \u00fd ngh\u0129a: K\u00fd hi\u1ec7u v\u00e0 k\u00fd ph\u00e1p \ud83d\udcdd<\/h2>\n

        Ngay c\u1ea3 m\u1ed9t s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed ho\u00e0n h\u1ea3o c\u0169ng c\u00f3 th\u1ec3 th\u1ea5t b\u1ea1i n\u1ebfu c\u00e1c k\u00fd hi\u1ec7u kh\u00f4ng mang \u00fd ngh\u0129a nh\u01b0 ch\u00fang n\u00f3i. C\u00e1c ti\u00eau chu\u1ea9n UML t\u1ed3n t\u1ea1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 hi\u1ec3u bi\u1ebft chung. Vi\u1ec7c l\u1ec7ch kh\u1ecfi c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y s\u1ebd t\u1ea1o ra s\u1ef1 nh\u1ea7m l\u1eabn.<\/p>\n

        1. Duy tr\u00ec c\u00e1c k\u00fd hi\u1ec7u chu\u1ea9n<\/h3>\n

        Kh\u00f4ng t\u1ea1o ra h\u00ecnh d\u1ea1ng m\u1edbi. S\u1eed d\u1ee5ng h\u00ecnh tr\u00f2n chu\u1ea9n cho n\u00fat kh\u1edfi \u0111\u1ea7u, h\u00ecnh tr\u00f2n k\u00e9p cho n\u00fat k\u1ebft th\u00fac v\u00e0 h\u00ecnh ch\u1eef nh\u1eadt bo tr\u00f2n cho c\u00e1c h\u00e0nh \u0111\u1ed9ng. N\u1ebfu b\u1ea1n gi\u1edbi thi\u1ec7u m\u1ed9t h\u00ecnh d\u1ea1ng t\u00f9y ch\u1ec9nh, b\u1ea1n ph\u1ea3i cung c\u1ea5p ch\u00fa th\u00edch, \u0111i\u1ec1u n\u00e0y s\u1ebd l\u00e0m t\u0103ng \u0111\u1ed9 kh\u00f3 khi \u0111\u1ecdc s\u01a1 \u0111\u1ed3.<\/p>\n

        2. Lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng so v\u1edbi lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n<\/h3>\n

        M\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t g\u00e2y nh\u1ea7m l\u1eabn l\u00e0 tr\u1ed9n l\u1eabn lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n. Lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u1ea1i di\u1ec7n cho tr\u00ecnh t\u1ef1 c\u00e1c h\u00e0nh \u0111\u1ed9ng. Lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u1ea1i di\u1ec7n cho s\u1ef1 di chuy\u1ec3n c\u1ee7a d\u1eef li\u1ec7u ho\u1eb7c t\u00e0i li\u1ec7u gi\u1eefa c\u00e1c h\u00e0nh \u0111\u1ed9ng. Vi\u1ec7c tr\u1ed9n l\u1eabn ch\u00fang m\u00e0 kh\u00f4ng c\u00f3 s\u1ef1 ph\u00e2n bi\u1ec7t r\u00f5 r\u00e0ng s\u1ebd khi\u1ebfn vi\u1ec7c ph\u00e2n bi\u1ec7t gi\u1eefa \u201c\u0111i\u1ec1u g\u00ec x\u1ea3y ra\u201d v\u00e0 \u201c\u0111i\u1ec1u g\u00ec di chuy\u1ec3n\u201d tr\u1edf n\u00ean kh\u00f3 kh\u0103n.<\/p>\n

          \n
        • \u0110\u01b0\u1eddng li\u1ec1n:<\/strong>Th\u01b0\u1eddng ch\u1ec9 lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n (tr\u00ecnh t\u1ef1).<\/li>\n
        • \u0110\u01b0\u1eddng g\u1ea1ch ch\u1ea5m:<\/strong>Th\u01b0\u1eddng ch\u1ec9 lu\u1ed3ng \u0111\u1ed1i t\u01b0\u1ee3ng (di chuy\u1ec3n d\u1eef li\u1ec7u).<\/li>\n<\/ul>\n

          \u0110\u1ea3m b\u1ea3o ch\u00fa th\u00edch ho\u1eb7c ng\u1eef c\u1ea3nh c\u1ee7a b\u1ea1n r\u00f5 r\u00e0ng \u0111\u1ecbnh ngh\u0129a c\u00e1c ki\u1ec3u \u0111\u01b0\u1eddng n\u00e0y n\u1ebfu b\u1ea1n \u0111i l\u1ec7ch kh\u1ecfi quy \u01b0\u1edbc chu\u1ea9n.<\/p>\n

          3. \u0110\u1eb7t t\u00ean h\u00e0nh \u0111\u1ed9ng nh\u1ea5t qu\u00e1n<\/h3>\n

          T\u00ean b\u00ean trong c\u00e1c n\u00fat ho\u1ea1t \u0111\u1ed9ng n\u00ean tu\u00e2n theo c\u1ea5u tr\u00fac \u0111\u1ed9ng t\u1eeb-danh t\u1eeb. \u0110i\u1ec1u n\u00e0y gi\u00fap s\u01a1 \u0111\u1ed3 \u0111\u1ecdc gi\u1ed1ng nh\u01b0 m\u1ed9t c\u00e2u. Tr\u00e1nh c\u00e1c c\u1ee5m danh t\u1eeb nh\u01b0 \u201cThanh to\u00e1n\u201d. S\u1eed d\u1ee5ng \u201cX\u1eed l\u00fd thanh to\u00e1n\u201d. S\u1ef1 nh\u1ea5t qu\u00e1n n\u00e0y c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng \u0111\u1ecdc s\u01a1 \u0111\u1ed3.<\/p>\n

          Chi\u1ebfn l\u01b0\u1ee3c b\u1ed1 c\u1ee5c cho h\u00ecnh \u1ea3nh s\u1ea1ch s\u1ebd \ud83c\udfa8<\/h2>\n

          Khi c\u1ea5u tr\u00fac v\u00e0 \u00fd ngh\u0129a \u0111\u00e3 \u0111\u00fang, b\u1ed1 c\u1ee5c h\u00ecnh \u1ea3nh tr\u1edf th\u00e0nh \u0111i\u1ec3m ho\u00e0n thi\u1ec7n cu\u1ed1i c\u00f9ng. Nh\u1eefng chi\u1ebfn l\u01b0\u1ee3c n\u00e0y gi\u00fap qu\u1ea3n l\u00fd kh\u00f4ng gian v\u1eadt l\u00fd tr\u00ean trang.<\/p>\n

          1. S\u1eed d\u1ee5ng c\u00e1c lu\u1ed3ng b\u01a1i hi\u1ec7u qu\u1ea3<\/h3>\n

          C\u00e1c lu\u1ed3ng b\u01a1i l\u00e0 c\u00f4ng c\u1ee5 m\u1ea1nh nh\u1ea5t \u0111\u1ec3 t\u1ed5 ch\u1ee9c c\u00e1c s\u01a1 \u0111\u1ed3 ph\u1ee9c t\u1ea1p. Ch\u00fang chia nh\u1ecf s\u01a1 \u0111\u1ed3 theo tr\u00e1ch nhi\u1ec7m. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea1n th\u1ea5y ai ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho b\u01b0\u1edbc n\u00e0o m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ecdc t\u1eebng nh\u00e3n.<\/p>\n

            \n
          • Lu\u1ed3ng b\u01a1i th\u1eb3ng \u0111\u1ee9ng:<\/strong>T\u1ed1t nh\u1ea5t cho c\u00e1c quy tr\u00ecnh tu\u1ea7n t\u1ef1, n\u01a1i c\u00e1c t\u00e1c nh\u00e2n \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi.<\/li>\n
          • Lu\u1ed3ng b\u01a1i n\u1eb1m ngang:<\/strong>T\u1ed1t nh\u1ea5t cho c\u00e1c quy tr\u00ecnh n\u01a1i c\u00e1c vai tr\u00f2 \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea t\u1eeb tr\u00e1i sang ph\u1ea3i.<\/li>\n<\/ul>\n

            Khi chuy\u1ec3n t\u1eeb m\u1ed9t lu\u1ed3ng sang lu\u1ed3ng kh\u00e1c, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c \u0111i\u1ec3m giao nhau r\u00f5 r\u00e0ng. Tr\u00e1nh vi\u1ec7c c\u00e1c m\u0169i t\u00ean \u0111i qua nhi\u1ec1u lu\u1ed3ng m\u1ed9t c\u00e1ch kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n

            2. Qu\u1ea3n l\u00fd kho\u1ea3ng tr\u1ed1ng tr\u1eafng<\/h3>\n

            Kho\u1ea3ng tr\u1ed1ng tr\u1eafng kh\u00f4ng ph\u1ea3i l\u00e0 tr\u1ed1ng r\u1ed7ng; \u0111\u00f3 l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 thi\u1ebft k\u1ebf. \u0110\u1eb7t c\u00e1c n\u00fat s\u00e1t nhau s\u1ebd khi\u1ebfn m\u1eaft ph\u1ea3i l\u00e0m vi\u1ec7c nhi\u1ec1u h\u01a1n. Duy tr\u00ec kho\u1ea3ng c\u00e1ch nh\u1ea5t qu\u00e1n gi\u1eefa c\u00e1c n\u00fat. N\u1ebfu s\u01a1 \u0111\u1ed3 v\u01b0\u1ee3t qu\u00e1 ph\u1ea1m vi in \u0111\u01b0\u1ee3c, \u0111\u1eebng thu nh\u1ecf c\u00e1c n\u00fat. Chia s\u01a1 \u0111\u1ed3 th\u00e0nh nhi\u1ec1u trang ho\u1eb7c ph\u1ea7n.<\/p>\n

            3. H\u01b0\u1edbng d\u00f2ng ch\u1ea3y<\/h3>\n

            \u0110\u1ea3m b\u1ea3o d\u00f2ng ch\u1ea3y chung c\u1ee7a s\u01a1 \u0111\u1ed3 di chuy\u1ec3n t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi ho\u1eb7c t\u1eeb tr\u00e1i sang ph\u1ea3i. Tr\u00e1nh c\u00e1c g\u00f3c vu\u00f4ng 90 \u0111\u1ed9 tr\u1eeb khi c\u1ea7n thi\u1ebft cho vi\u1ec7c \u0111\u1ecbnh tuy\u1ebfn. Nh\u1eefng chuy\u1ec3n \u0111\u1ed9ng qua l\u1ea1i qu\u00e1 m\u1ee9c s\u1ebd t\u1ea1o th\u00e0nh m\u1eabu h\u00ecnh ch\u1eef Z, g\u00e2y kh\u00f3 theo d\u00f5i.<\/p>\n

            So s\u00e1nh c\u00e1c l\u1ed7i ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c \ud83d\udccb<\/h2>\n

            B\u1ea3ng sau t\u00f3m t\u1eaft c\u00e1c l\u1ed7i ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1c h\u00e0nh \u0111\u1ed9ng s\u1eeda ch\u1eefa t\u01b0\u01a1ng \u1ee9ng. \u0110i\u1ec1u n\u00e0y ph\u1ee5c v\u1ee5 nh\u01b0 m\u1ed9t t\u00e0i li\u1ec7u tham kh\u1ea3o nhanh trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n\n\n\n\n\n\n\n
            V\u1ea5n \u0111\u1ec1<\/th>\nTri\u1ec7u ch\u1ee9ng tr\u1ef1c quan<\/th>\nChi\u1ebfn l\u01b0\u1ee3c s\u1eeda ch\u1eefa<\/th>\n<\/tr>\n<\/thead>\n
            \u0110\u01b0\u1eddng d\u00e2y h\u1ed7n \u0111\u1ed9n<\/strong><\/td>\nC\u00e1c m\u0169i t\u00ean giao nhau m\u1ed9t c\u00e1ch ng\u1eabu nhi\u00ean<\/td>\n\u0110\u1ecbnh tuy\u1ebfn c\u00e1c \u0111\u01b0\u1eddng xung quanh n\u00fat ho\u1eb7c s\u1eed d\u1ee5ng \u0111\u1ecbnh tuy\u1ebfn vu\u00f4ng g\u00f3c.<\/td>\n<\/tr>\n
            N\u00fat qu\u00e1 t\u1ea3i<\/strong><\/td>\nV\u0103n b\u1ea3n b\u1ecb ng\u1eaft d\u00f2ng k\u00e9m ho\u1eb7c chi\u1ebfm qu\u00e1 nhi\u1ec1u kh\u00f4ng gian<\/td>\nChia h\u00e0nh \u0111\u1ed9ng th\u00e0nh c\u00e1c ho\u1ea1t \u0111\u1ed9ng con nh\u1ecf h\u01a1n.<\/td>\n<\/tr>\n
            Thi\u1ebfu \u0111i\u1ec3m v\u00e0o<\/strong><\/td>\nM\u0169i t\u00ean ch\u1ec9 v\u00e0o nowhere<\/td>\nK\u1ebft n\u1ed1i t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u v\u1edbi n\u00fat ban \u0111\u1ea7u.<\/td>\n<\/tr>\n
            Thi\u1ebfu \u0111i\u1ec3m ra<\/strong><\/td>\nC\u00e1c ng\u00f5 c\u1ee5t trong lu\u1ed3ng<\/td>\n\u0110\u1ea3m b\u1ea3o m\u1ecdi lu\u1ed3ng \u0111\u1ec1u d\u1eabn \u0111\u1ebfn m\u1ed9t n\u00fat cu\u1ed1i c\u00f9ng.<\/td>\n<\/tr>\n
            Bi\u1ec3u t\u01b0\u1ee3ng kh\u00f4ng nh\u1ea5t qu\u00e1n<\/strong><\/td>\nM\u1ed9t s\u1ed1 h\u00ecnh thoi \u0111\u01b0\u1ee3c xoay, s\u1ed1 kh\u00e1c th\u00ec kh\u00f4ng<\/td>\n\u00c1p d\u1ee5ng g\u00f3c xoay chu\u1ea9n (th\u01b0\u1eddng l\u00e0 45 \u0111\u1ed9) cho t\u1ea5t c\u1ea3 c\u00e1c n\u00fat quy\u1ebft \u0111\u1ecbnh.<\/td>\n<\/tr>\n
            C\u00e1c l\u00e0n \u0111\u01b0\u1eddng ch\u1eadt ch\u1ed9i<\/strong><\/td>\nC\u00e1c l\u00e0n \u0111\u01b0\u1eddng qu\u00e1 h\u1eb9p so v\u1edbi n\u1ed9i dung<\/td>\nM\u1edf r\u1ed9ng chi\u1ec1u cao l\u00e0n \u0111\u01b0\u1eddng ho\u1eb7c gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng l\u00e0n \u0111\u01b0\u1eddng.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            Danh s\u00e1ch ki\u1ec3m tra xem x\u00e9t cho s\u1ef1 s\u1ea1ch s\u1ebd c\u1ee7a s\u01a1 \u0111\u1ed3 \u2705<\/h2>\n

            Tr\u01b0\u1edbc khi ho\u00e0n t\u1ea5t b\u1ea5t k\u1ef3 s\u01a1 \u0111\u1ed3 n\u00e0o, h\u00e3y ki\u1ec3m tra qua danh s\u00e1ch n\u00e0y. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 gi\u1ea3m kh\u1ea3 n\u0103ng x\u1ea3y ra l\u1ed7i.<\/p>\n

              \n
            • B\u1eaft \u0111\u1ea7u v\u00e0 k\u1ebft th\u00fac:<\/strong> S\u01a1 \u0111\u1ed3 c\u00f3 \u0111\u00fang m\u1ed9t n\u00fat ban \u0111\u1ea7u v\u00e0 \u00edt nh\u1ea5t m\u1ed9t n\u00fat k\u1ebft th\u00fac kh\u00f4ng?<\/li>\n
            • K\u1ebft n\u1ed1i:<\/strong> T\u1ea5t c\u1ea3 c\u00e1c n\u00fat c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c t\u1eeb \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u kh\u00f4ng? T\u1ea5t c\u1ea3 c\u00e1c lu\u1ed3ng c\u00f3 d\u1eabn \u0111\u1ebfn \u0111i\u1ec3m k\u1ebft th\u00fac kh\u00f4ng?<\/li>\n
            • Nh\u00e3n:<\/strong>T\u1ea5t c\u1ea3 c\u00e1c nh\u00e1nh quy\u1ebft \u0111\u1ecbnh c\u00f3 \u0111\u01b0\u1ee3c \u0111\u00e1nh nh\u00e3n v\u1edbi \u0111i\u1ec1u ki\u1ec7n r\u00f5 r\u00e0ng kh\u00f4ng?<\/li>\n
            • Kh\u1ea3 n\u0103ng \u0111\u1ecdc:<\/strong>V\u0103n b\u1ea3n c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c m\u00e0 kh\u00f4ng c\u1ea7n xoay trang kh\u00f4ng?<\/li>\n
            • Log\u00edc d\u1ea3i b\u01a1i:<\/strong>C\u00e1c h\u00e0nh \u0111\u1ed9ng c\u00f3 thu\u1ed9c d\u1ea3i \u0111\u00fang d\u1ef1a tr\u00ean tr\u00e1ch nhi\u1ec7m kh\u00f4ng?<\/li>\n
            • \u0110\u1ed3ng th\u1eddi:<\/strong>C\u00e1c \u0111i\u1ec3m chia v\u00e0 h\u1ee3p nh\u1ea5t c\u00f3 \u0111\u01b0\u1ee3c c\u00e2n b\u1eb1ng v\u00e0 \u0111\u1ed3ng b\u1ed9 h\u00f3a kh\u00f4ng?<\/li>\n
            • Kho\u1ea3ng tr\u1ed1ng tr\u1eafng:<\/strong>C\u00f3 \u0111\u1ee7 kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng ch\u1eadt ch\u1ed9i v\u1ec1 m\u1eb7t th\u1ecb gi\u00e1c kh\u00f4ng?<\/li>\n
            • Tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n:<\/strong>C\u00e1c h\u00ecnh d\u1ea1ng c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi k\u00fd hi\u1ec7u ho\u1ea1t \u0111\u1ed9ng UML ti\u00eau chu\u1ea9n kh\u00f4ng?<\/li>\n<\/ul>\n

              X\u1eed l\u00fd logic ph\u1ee9c t\u1ea1p: V\u00f2ng l\u1eb7p v\u00e0 l\u1eb7p l\u1ea1i \ud83d\udd04<\/h2>\n

              V\u00f2ng l\u1eb7p l\u00e0 c\u1ea7n thi\u1ebft cho c\u00e1c quy tr\u00ecnh l\u1eb7p l\u1ea1i. Tuy nhi\u00ean, ch\u00fang c\u00f3 th\u1ec3 l\u00e0m r\u1ed1i diagram n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch. M\u1ed9t v\u00f2ng l\u1eb7p l\u1edbn c\u00f3 th\u1ec3 khi\u1ebfn diagram tr\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t m\u00ea cung.<\/p>\n

              1. T\u1ed1i thi\u1ec3u h\u00f3a k\u00edch th\u01b0\u1edbc v\u00f2ng l\u1eb7p<\/h3>\n

              N\u1ebfu m\u1ed9t v\u00f2ng l\u1eb7p bao g\u1ed3m nhi\u1ec1u b\u01b0\u1edbc, h\u00e3y c\u00e2n nh\u1eafc chia v\u00f2ng l\u1eb7p th\u00e0nh m\u1ed9t s\u01a1 \u0111\u1ed3 con ri\u00eang bi\u1ec7t. Bi\u1ec3u di\u1ec5n v\u00f2ng l\u1eb7p nh\u01b0 m\u1ed9t n\u00fat ho\u1ea1t \u0111\u1ed9ng duy nh\u1ea5t trong s\u01a1 \u0111\u1ed3 ch\u00ednh, tham chi\u1ebfu \u0111\u1ebfn quy tr\u00ecnh l\u1eb7p chi ti\u1ebft.<\/p>\n

              2. S\u1eed d\u1ee5ng \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7<\/h3>\n

              \u0110\u1ea3m b\u1ea3o m\u1ecdi v\u00f2ng l\u1eb7p \u0111\u1ec1u c\u00f3 \u0111i\u1ec1u ki\u1ec7n tho\u00e1t r\u00f5 r\u00e0ng. M\u1ed9t v\u00f2ng l\u1eb7p kh\u00f4ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n tho\u00e1t r\u00f5 r\u00e0ng ng\u1ee5 \u00fd m\u1ed9t qu\u00e1 tr\u00ecnh v\u00f4 h\u1ea1n, \u0111i\u1ec1u n\u00e0y hi\u1ebfm khi ch\u00ednh x\u00e1c trong logic kinh doanh. \u0110\u00e1nh d\u1ea5u r\u00f5 r\u00e0ng \u0111\u01b0\u1eddng tho\u00e1t (v\u00ed d\u1ee5: \u201c\u0110i\u1ec1u ki\u1ec7n \u0111\u1ea1t \u0111\u01b0\u1ee3c\u201d, \u201c\u0110\u1ea1t gi\u1edbi h\u1ea1n\u201d).<\/p>\n

              3. Tr\u00e1nh v\u00f2ng l\u1eb7p l\u1ed3ng nhau<\/h3>\n

              C\u00e1c v\u00f2ng l\u1eb7p b\u00ean trong v\u00f2ng l\u1eb7p r\u1ea5t kh\u00f3 theo d\u00f5i v\u1ec1 m\u1eb7t th\u1ecb gi\u00e1c. N\u1ebfu b\u1ea1n c\u00f3 c\u00e1c v\u00f2ng l\u1eb7p l\u1ed3ng nhau, h\u00e3y s\u1eed d\u1ee5ng m\u1ed9t s\u01a1 \u0111\u1ed3 ri\u00eang cho v\u00f2ng l\u1eb7p b\u00ean trong. Gi\u1eef s\u01a1 \u0111\u1ed3 b\u00ean ngo\u00e0i t\u1eadp trung v\u00e0o c\u00e1c v\u00f2ng l\u1eb7p c\u1ea5p cao.<\/p>\n

              T\u1ea3i nh\u1eadn th\u1ee9c v\u00e0 giao ti\u1ebfp v\u1edbi c\u00e1c b\u00ean li\u00ean quan \ud83d\udde3\ufe0f<\/h2>\n

              S\u01a1 \u0111\u1ed3 kh\u00f4ng ch\u1ec9 d\u00e0nh cho nh\u00e0 ph\u00e1t tri\u1ec3n; ch\u00fang d\u00e0nh cho c\u00e1c b\u00ean li\u00ean quan kinh doanh, qu\u1ea3n l\u00fd v\u00e0 kh\u00e1ch h\u00e0ng. Nh\u1eefng \u0111\u1ed1i t\u01b0\u1ee3ng n\u00e0y c\u00f3 tr\u00ecnh \u0111\u1ed9 chuy\u00ean m\u00f4n k\u1ef9 thu\u1eadt kh\u00e1c nhau. M\u1ed9t s\u01a1 \u0111\u1ed3 l\u1ed9n x\u1ed9n s\u1ebd l\u00e0m xa r\u1eddi ng\u01b0\u1eddi \u0111\u1ecdc kh\u00f4ng chuy\u00ean.<\/p>\n

              1. Ph\u00e2n t\u00edch \u0111\u1ed1i t\u01b0\u1ee3ng<\/h3>\n

              H\u1ecfi ai s\u1ebd xem s\u01a1 \u0111\u1ed3. N\u1ebfu d\u00e0nh cho ch\u1ee7 doanh nghi\u1ec7p, h\u00e3y t\u1eadp trung v\u00e0o gi\u00e1 tr\u1ecb kinh doanh v\u00e0 c\u00e1c \u0111i\u1ec3m quy\u1ebft \u0111\u1ecbnh. N\u1ebfu d\u00e0nh cho k\u1ef9 s\u01b0, h\u00e3y bao g\u1ed3m c\u00e1c tr\u1ea1ng th\u00e1i k\u1ef9 thu\u1eadt v\u00e0 lu\u1ed3ng d\u1eef li\u1ec7u. \u0110\u1eebng c\u1ed1 g\u1eafng th\u1ecfa m\u00e3n c\u1ea3 hai \u0111\u1ed1i t\u01b0\u1ee3ng trong m\u1ed9t s\u01a1 \u0111\u1ed3 duy nh\u1ea5t.<\/p>\n

              2. \u0110\u01a1n gi\u1ea3n h\u00f3a thu\u1eadt ng\u1eef<\/h3>\n

              Tr\u00e1nh d\u00f9ng t\u1eeb ng\u1eef chuy\u00ean m\u00f4n n\u1ed9i b\u1ed9. N\u1ebfu s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c chia s\u1ebb gi\u1eefa c\u00e1c ph\u00f2ng ban, h\u00e3y d\u00f9ng nh\u1eefng thu\u1eadt ng\u1eef m\u00e0 t\u1ea5t c\u1ea3 \u0111\u1ec1u hi\u1ec3u. M\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 vi\u1ebft \u201cTh\u1ef1c thi G\u1ecdi API\u201d, nh\u01b0ng m\u1ed9t qu\u1ea3n l\u00fd c\u00f3 th\u1ec3 th\u00edch \u201cY\u00eau c\u1ea7u D\u1ecbch v\u1ee5 B\u00ean ngo\u00e0i\u201d. Ch\u1ecdn thu\u1eadt ng\u1eef ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n

              3. M\u00e0u s\u1eafc v\u00e0 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n<\/h3>\n

              M\u1eb7c d\u00f9 b\u1ea1n n\u00ean tr\u00e1nh \u0111\u1ecbnh d\u1ea1ng CSS, b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ecbnh d\u1ea1ng \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 l\u00e0m n\u1ed5i b\u1eadt c\u00e1c \u0111\u01b0\u1eddng \u0111i ch\u00ednh. V\u00ed d\u1ee5, in \u0111\u1eadm \u0111\u01b0\u1eddng \u0111i th\u00e0nh c\u00f4ng ch\u00ednh v\u00e0 d\u00f9ng ki\u1ec3u ch\u1eef nh\u1eb9 h\u01a1n cho c\u00e1c \u0111\u01b0\u1eddng \u0111i ngo\u1ea1i l\u1ec7 c\u00f3 th\u1ec3 d\u1eabn m\u1eaft ng\u01b0\u1eddi xem. Tuy nhi\u00ean, \u0111\u1eebng ch\u1ec9 d\u1ef1a v\u00e0o m\u00e0u s\u1eafc; h\u00e3y d\u00f9ng nh\u00e3n v\u0103n b\u1ea3n \u0111\u1ec3 ph\u00e2n bi\u1ec7t c\u00e1c \u0111\u01b0\u1eddng \u0111i.<\/p>\n

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

              Vi\u1ec7c t\u1ea1o ra m\u1ed9t s\u01a1 \u0111\u1ed3 s\u1ea1ch s\u1ebd hi\u1ebfm khi l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh m\u1ed9t b\u01b0\u1edbc. N\u00f3 \u0111\u00f2i h\u1ecfi s\u1ef1 l\u1eb7p l\u1ea1i. B\u1ea3n nh\u00e1p \u0111\u1ea7u ti\u00ean th\u01b0\u1eddng l\u1ed9n x\u1ed9n nh\u1ea5t v\u00ec b\u1ea1n v\u1eabn \u0111ang kh\u00e1m ph\u00e1 logic. H\u00e3y coi vi\u1ec7c v\u1ebd s\u01a1 \u0111\u1ed3 nh\u01b0 m\u1ed9t qu\u00e1 tr\u00ecnh ph\u00e1c th\u1ea3o.<\/p>\n

              1. V\u1ebd ph\u00e1c th\u1ea3o tr\u01b0\u1edbc ti\u00ean<\/h3>\n

              B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch ghi l\u1ea1i logic tr\u00ean gi\u1ea5y ho\u1eb7c b\u1ea3ng v\u1ebd m\u00e0 kh\u00f4ng c\u1ea7n lo l\u1eafng v\u1ec1 s\u1ef1 c\u0103n ch\u1ec9nh. T\u1eadp trung v\u00e0o lu\u1ed3ng th\u00f4ng tin v\u00e0 c\u00e1c \u0111i\u1ec3m ra quy\u1ebft \u0111\u1ecbnh.<\/p>\n

              2. Tinh ch\u1ec9nh c\u1ea5u tr\u00fac<\/h3>\n

              Khi logic \u0111\u00e3 \u1ed5n \u0111\u1ecbnh, h\u00e3y \u00e1p d\u1ee5ng c\u00e1c lu\u1ed3ng ho\u1ea1t \u0111\u1ed9ng v\u00e0 nh\u00f3m c\u00e1c ho\u1ea1t \u0111\u1ed9ng li\u00ean quan l\u1ea1i v\u1edbi nhau. Di chuy\u1ec3n c\u00e1c n\u00fat \u0111\u1ec3 gi\u1ea3m thi\u1ec3u c\u00e1c \u0111\u01b0\u1eddng giao nhau.<\/p>\n

              3. Ho\u00e0n thi\u1ec7n chi ti\u1ebft<\/h3>\n

              Cu\u1ed1i c\u00f9ng, ki\u1ec3m tra nh\u00e3n, kho\u1ea3ng c\u00e1ch v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n. \u0110\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 c\u00e1c bi\u1ec3u t\u01b0\u1ee3ng \u0111\u1ec1u \u0111\u1ed3ng nh\u1ea5t. \u0110\u00e2y l\u00e0 giai \u0111o\u1ea1n b\u1ea3n \u0111\u1ed3 tr\u1edf n\u00ean chuy\u00ean nghi\u1ec7p.<\/p>\n

              T\u00f3m t\u1eaft nh\u1eefng \u0111i\u1ec3m ch\u00ednh c\u1ea7n l\u01b0u \u00fd \ud83c\udfaf<\/h2>\n

              C\u00e1c s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML l\u1ed9n x\u1ed9n th\u01b0\u1eddng l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a qu\u00e1 t\u1ea3i c\u1ea5u tr\u00fac, k\u00fd hi\u1ec7u kh\u00f4ng nh\u1ea5t qu\u00e1n ho\u1eb7c qu\u1ea3n l\u00fd h\u00ecnh \u1ea3nh k\u00e9m. B\u1eb1ng c\u00e1ch gi\u1ea3i quy\u1ebft nh\u1eefng nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 ch\u00ednh x\u00e1c v\u00e0 d\u1ec5 hi\u1ec3u.<\/p>\n

                \n
              • Ph\u00e2n r\u00e3:<\/strong>Chia c\u00e1c quy tr\u00ecnh l\u1edbn th\u00e0nh c\u00e1c s\u01a1 \u0111\u1ed3 nh\u1ecf h\u01a1n, d\u1ec5 qu\u1ea3n l\u00fd.<\/li>\n
              • S\u1eed d\u1ee5ng lu\u1ed3ng ho\u1ea1t \u0111\u1ed9ng:<\/strong>Ph\u00e2n c\u00f4ng tr\u00e1ch nhi\u1ec7m r\u00f5 r\u00e0ng \u0111\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn.<\/li>\n
              • G\u00e1n nh\u00e3n c\u00e1c \u0111\u01b0\u1eddng \u0111i:<\/strong>\u0110\u1ea3m b\u1ea3o m\u1ed7i nh\u00e1nh ra quy\u1ebft \u0111\u1ecbnh \u0111\u1ec1u c\u00f3 \u0111i\u1ec1u ki\u1ec7n r\u00f5 r\u00e0ng.<\/li>\n
              • Ti\u00eau chu\u1ea9n h\u00f3a:<\/strong>Tu\u00e2n th\u1ee7 c\u00e1c h\u00ecnh d\u1ea1ng v\u00e0 quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean chu\u1ea9n UML.<\/li>\n
              • Xem x\u00e9t l\u1ea1i:<\/strong>S\u1eed d\u1ee5ng danh s\u00e1ch ki\u1ec3m tra \u0111\u1ec3 x\u00e1c minh t\u00ednh k\u1ebft n\u1ed1i v\u00e0 t\u00ednh \u0111\u1ea7y \u0111\u1ee7.<\/li>\n<\/ul>\n

                \u0110\u1ea7u t\u01b0 th\u1eddi gian v\u00e0o s\u1ef1 r\u00f5 r\u00e0ng s\u1ebd mang l\u1ea1i l\u1ee3i \u00edch. M\u1ed9t s\u01a1 \u0111\u1ed3 s\u1ea1ch s\u1ebd gi\u1ea3m thi\u1ec3u hi\u1ec3u l\u1ea7m, \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n v\u00e0 \u0111\u1ea3m b\u1ea3o logic kinh doanh \u0111\u01b0\u1ee3c b\u1ea3o t\u1ed3n ch\u00ednh x\u00e1c. B\u1eb1ng c\u00e1ch tu\u00e2n theo nh\u1eefng th\u1ef1c h\u00e0nh n\u00e0y, c\u00e1c s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ea1n s\u1ebd tr\u1edf th\u00e0nh t\u00e0i s\u1ea3n \u0111\u00e1ng tin c\u1eady cho c\u00e1c d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"

                Vi\u1ec7c t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML r\u00f5 r\u00e0ng v\u00e0 hi\u1ec7u qu\u1ea3 l\u00e0 k\u1ef9 n\u0103ng then ch\u1ed1t \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 nh\u00e0 ph\u00e2n t\u00edch hay nh\u00e0 ph\u00e1t tri\u1ec3n…<\/p>\n","protected":false},"author":1,"featured_media":617,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"T\u1ea1i sao s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML l\u1ea1i l\u1ed9n x\u1ed9n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c","_yoast_wpseo_metadesc":"Kh\u00e1m ph\u00e1 l\u00fd do t\u1ea1i sao s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML tr\u1edf n\u00ean l\u1ed9n x\u1ed9n. H\u1ecdc c\u00e1c gi\u1ea3i ph\u00e1p th\u1ef1c t\u1ebf \u0111\u1ec3 kh\u1eafc ph\u1ee5c c\u00e1c lu\u1ed3ng c\u00f4ng vi\u1ec7c l\u1ed9n x\u1ed9n, c\u00e1c lu\u1ed3ng ho\u1ea1t \u0111\u1ed9ng v\u00e0 lu\u1ed3ng logic nh\u1eb1m c\u1ea3i thi\u1ec7n \u0111\u1ed9 r\u00f5 r\u00e0ng.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[13],"tags":[39,44],"class_list":["post-616","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unified-modeling-language","tag-academic","tag-activity-diagram"],"yoast_head":"\nT\u1ea1i sao s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML l\u1ea1i l\u1ed9n x\u1ed9n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<\/title>\n<meta name=\"description\" content=\"Kh\u00e1m ph\u00e1 l\u00fd do t\u1ea1i sao s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng UML tr\u1edf n\u00ean l\u1ed9n x\u1ed9n. 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