{"id":65,"date":"2026-04-07T06:28:36","date_gmt":"2026-04-07T06:28:36","guid":{"rendered":"https:\/\/www.ai-diagrams.com\/vn\/uml-composite-structure-diagrams-guide-2\/"},"modified":"2026-04-07T06:28:36","modified_gmt":"2026-04-07T06:28:36","slug":"uml-composite-structure-diagrams-guide-2","status":"publish","type":"post","link":"https:\/\/www.ai-diagrams.com\/vn\/uml-composite-structure-diagrams-guide-2\/","title":{"rendered":"Nh\u1eefng G\u00f3c Nh\u00ecn B\u00ean Trong \u0110\u01b0\u1ee3c B\u1ed9c L\u1ed9: H\u01b0\u1edbng D\u1eabn Cho Ng\u01b0\u1eddi M\u1edbi B\u1eaft \u0110\u1ea7u V\u1ec1 S\u01a1 \u0110\u1ed3 C\u1ea5u Tr\u00fac H\u1ee3p Th\u00e0nh UML"},"content":{"rendered":"

Trong ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m, vi\u1ec7c hi\u1ec3u \u0111\u01b0\u1ee3c h\u00e0nh vi b\u00ean ngo\u00e0i c\u1ee7a m\u1ed9t th\u00e0nh ph\u1ea7n th\u01b0\u1eddng l\u00e0 ch\u01b0a \u0111\u1ee7. \u0110\u1ec3 th\u1ef1c s\u1ef1 n\u1eafm r\u00f5 c\u00e1ch m\u1ed9t h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n ph\u1ea3i nh\u00ecn s\u00e2u v\u00e0o b\u00ean trong. Nh\u1eefng S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh UML<\/strong> cung c\u1ea5p m\u1ed9t c\u01a1 ch\u1ebf \u0111\u1ec3 tr\u1ef1c quan h\u00f3a t\u1ed5 ch\u1ee9c b\u00ean trong c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i. Lo\u1ea1i s\u01a1 \u0111\u1ed3 n\u00e0y ph\u01a1i b\u00e0y c\u00e1c b\u1ed9 ph\u1eadn, vai tr\u00f2 v\u00e0 k\u1ebft n\u1ed1i t\u1ea1o n\u00ean b\u00ean trong c\u1ee7a m\u1ed9t l\u1edbp ho\u1eb7c th\u00e0nh ph\u1ea7n ph\u1ee9c t\u1ea1p.<\/p>\n

Kh\u00e1c v\u1edbi s\u01a1 \u0111\u1ed3 l\u1edbp ti\u00eau chu\u1ea9n t\u1eadp trung v\u00e0o m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c l\u1edbp, s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh t\u1eadp trung v\u00e0o s\u1ef1 k\u1ebft h\u1ee3p b\u00ean trong c\u1ee7a m\u1ed9t \u0111\u01a1n v\u1ecb duy nh\u1ea5t. N\u00f3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi: \u201c\u0110i\u1ec1u g\u00ec khi\u1ebfn th\u1ee9 n\u00e0y ho\u1ea1t \u0111\u1ed9ng?\u201d H\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00e1m ph\u00e1 v\u1ec1 c\u01a1 ch\u1ebf, c\u00fa ph\u00e1p v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n c\u1ee7a c\u00f4ng c\u1ee5 m\u00f4 h\u00ecnh h\u00f3a thi\u1ebft y\u1ebfu n\u00e0y.<\/p>\n

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

\ud83d\udd0d S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh l\u00e0 g\u00ec?<\/h2>\n

S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh l\u00e0 m\u1ed9t lo\u1ea1i s\u01a1 \u0111\u1ed3 c\u1ee7a Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh H\u00f3a \u0110\u01a1n Nh\u1ea5t (UML). N\u00f3 hi\u1ec3n th\u1ecb c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i. Trong thi\u1ebft k\u1ebf h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng, m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t l\u1edbp, giao di\u1ec7n ho\u1eb7c th\u00e0nh ph\u1ea7n. S\u01a1 \u0111\u1ed3 n\u00e0y ph\u00e2n t\u00edch b\u1ed9 ph\u00e2n lo\u1ea1i \u0111\u00f3 th\u00e0nh c\u00e1c b\u1ed9 ph\u1eadn c\u1ea5u th\u00e0nh.<\/p>\n

    \n
  • B\u1ed9 ph\u00e2n lo\u1ea1i:<\/strong> Th\u1ef1c th\u1ec3 ch\u00ednh \u0111ang \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch (v\u00ed d\u1ee5: m\u1ed9t l\u1edbp c\u1ee5 th\u1ec3 nh\u01b0 MediaPlayer<\/code>).<\/li>\n
  • C\u1ea5u tr\u00fac b\u00ean trong:<\/strong> S\u1ef1 s\u1eafp x\u1ebfp c\u00e1c b\u1ed9 ph\u1eadn t\u1ea1o n\u00ean b\u1ed9 ph\u00e2n lo\u1ea1i.<\/li>\n
  • H\u1ee3p t\u00e1c:<\/strong> C\u00e1ch c\u00e1c b\u1ed9 ph\u1eadn n\u00e0y t\u01b0\u01a1ng t\u00e1c \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c tr\u00e1ch nhi\u1ec7m c\u1ee7a b\u1ed9 ph\u00e2n lo\u1ea1i.<\/li>\n<\/ul>\n

    Khi m\u1ed9t l\u1edbp tr\u1edf n\u00ean qu\u00e1 ph\u1ee9c t\u1ea1p \u0111\u1ec3 hi\u1ec3u qua danh s\u00e1ch thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c \u0111\u01a1n gi\u1ea3n, s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh s\u1ebd mang l\u1ea1i s\u1ef1 r\u00f5 r\u00e0ng. N\u00f3 cho th\u1ea5y c\u00e1ch c\u00e1c \u0111\u01a1n v\u1ecb nh\u1ecf h\u1ee3p t\u00e1c v\u1edbi nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t t\u1ed5ng th\u1ec3 l\u1edbn h\u01a1n. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch khi m\u00f4 h\u00ecnh h\u00f3a c\u00e1c m\u1eabu thi\u1ebft k\u1ebf nh\u01b0 M\u1eabu H\u1ee3p Th\u00e0nh<\/em> ho\u1eb7c M\u1eabu C\u1ea7u N\u1ed1i<\/em>.<\/p>\n

    \ud83e\udde9 C\u00e1c Y\u1ebfu T\u1ed1 Ch\u00ednh C\u1ee7a S\u01a1 \u0110\u1ed3<\/h2>\n

    \u0110\u1ec3 \u0111\u1ecdc v\u00e0 t\u1ea1o c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i hi\u1ec3u r\u00f5 k\u00fd hi\u1ec7u c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. S\u01a1 \u0111\u1ed3 d\u1ef1a tr\u00ean b\u1ed1n kh\u00e1i ni\u1ec7m ch\u00ednh: B\u1ed9 ph\u1eadn, C\u1ed5ng, K\u1ebft n\u1ed1i v\u00e0 Vai tr\u00f2. M\u1ed7i kh\u00e1i ni\u1ec7m \u0111\u00f3ng m\u1ed9t vai tr\u00f2 ri\u00eang bi\u1ec7t trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh topo b\u00ean trong.<\/p>\n

    1. B\u1ed9 ph\u1eadn \ud83e\uddf1<\/h3>\n

    M\u1ed9t b\u1ed9 ph\u1eadn \u0111\u1ea1i di\u1ec7n cho m\u1ed9t th\u1ec3 hi\u1ec7n c\u1ee7a b\u1ed9 ph\u00e2n lo\u1ea1i t\u1ed3n t\u1ea1i b\u00ean trong ranh gi\u1edbi c\u1ee7a c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh. V\u1ec1 c\u01a1 b\u1ea3n, n\u00f3 l\u00e0 m\u1ed9t tr\u01b0\u1eddng ho\u1eb7c bi\u1ebfn th\u00e0nh vi\u00ean, nh\u01b0ng t\u1eadp trung v\u00e0o k\u1ebft n\u1ed1i c\u1ea5u tr\u00fac thay v\u00ec ch\u1ec9 l\u01b0u tr\u1eef d\u1eef li\u1ec7u.<\/p>\n

      \n
    • K\u00fd hi\u1ec7u:<\/strong> M\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt c\u00f3 m\u1ed9t tam gi\u00e1c nh\u1ecf g\u1eafn v\u00e0o ph\u00eda b\u00ean tr\u00e1i, ho\u1eb7c m\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt l\u1ed3ng gh\u00e9p.<\/li>\n
    • Ghi nh\u00e3n:<\/strong> T\u00ean c\u1ee7a b\u1ed9 ph\u1eadn th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n ph\u00eda tr\u00ean ki\u1ec3u c\u1ee7a b\u1ed9 ph\u1eadn.<\/li>\n
    • V\u00ed d\u1ee5:<\/strong> M\u1ed9t MediaPlayer<\/code> l\u1edbp c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t ph\u1ea7n t\u00ean l\u00e0 audioPlayer<\/code> thu\u1ed9c ki\u1ec3u AudioEngine<\/code>.<\/li>\n<\/ul>\n

      2. C\u1ed5ng \ud83c\udf10<\/h3>\n

      C\u00e1c c\u1ed5ng x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m t\u01b0\u01a1ng t\u00e1c tr\u00ean bi\u00ean c\u1ee7a c\u1ea5u tr\u00fac b\u00ean trong. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 giao di\u1ec7n th\u00f4ng qua \u0111\u00f3 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong giao ti\u1ebfp v\u1edbi th\u1ebf gi\u1edbi b\u00ean ngo\u00e0i ho\u1eb7c v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c b\u00ean trong c\u1ea5u tr\u00fac. C\u00e1c c\u1ed5ng bao b\u1ecdc \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a vi\u1ec7c tri\u1ec3n khai b\u00ean trong.<\/p>\n

        \n
      • Ch\u1ee9c n\u0103ng:<\/strong> Ch\u00fang x\u00e1c \u0111\u1ecbnh n\u01a1i c\u00e1c d\u1ecbch v\u1ee5 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c cung c\u1ea5p ho\u1eb7c y\u00eau c\u1ea7u.<\/li>\n
      • Lo\u1ea1i:<\/strong> Ch\u00fang c\u00f3 th\u1ec3 l\u00e0 c\u1ed5ng \u0111\u1ea7u v\u00e0o, c\u1ed5ng \u0111\u1ea7u ra ho\u1eb7c c\u1ed5ng hai chi\u1ec1u.<\/li>\n
      • L\u1ee3i \u00edch:<\/strong> Ch\u00fang cho ph\u00e9p t\u00e1ch r\u1eddi. Logic b\u00ean trong c\u00f3 th\u1ec3 thay \u0111\u1ed5i m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c t\u01b0\u01a1ng t\u00e1c b\u00ean ngo\u00e0i, mi\u1ec5n l\u00e0 h\u1ee3p \u0111\u1ed3ng c\u1ed5ng v\u1eabn gi\u1eef nguy\u00ean.<\/li>\n<\/ul>\n

        3. K\u1ebft n\u1ed1i \ud83d\udd17<\/h3>\n

        C\u00e1c k\u1ebft n\u1ed1i n\u1ed1i c\u00e1c b\u1ed9 ph\u1eadn v\u1edbi nhau ho\u1eb7c n\u1ed1i c\u00e1c b\u1ed9 ph\u1eadn v\u1edbi c\u00e1c c\u1ed5ng. Ch\u00fang \u0111\u1ea1i di\u1ec7n cho lu\u1ed3ng d\u1eef li\u1ec7u ho\u1eb7c \u0111i\u1ec1u khi\u1ec3n gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n.<\/p>\n

          \n
        • K\u1ebft n\u1ed1i n\u1ed9i b\u1ed9:<\/strong> N\u1ed1i hai b\u1ed9 ph\u1eadn trong c\u00f9ng m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i.<\/li>\n
        • K\u1ebft n\u1ed1i b\u00ean ngo\u00e0i:<\/strong> N\u1ed1i m\u1ed9t b\u1ed9 ph\u1eadn v\u1edbi m\u1ed9t c\u1ed5ng tr\u00ean bi\u00ean.<\/li>\n
        • Tri\u1ec3n khai giao di\u1ec7n:<\/strong> C\u00e1c k\u1ebft n\u1ed1i th\u01b0\u1eddng th\u1ec3 hi\u1ec7n c\u00e1ch m\u1ed9t b\u1ed9 ph\u1eadn tri\u1ec3n khai giao di\u1ec7n \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi m\u1ed9t c\u1ed5ng.<\/li>\n<\/ul>\n

          4. Vai tr\u00f2 \ud83c\udfad<\/h3>\n

          C\u00e1c vai tr\u00f2 m\u00f4 t\u1ea3 g\u00f3c nh\u00ecn t\u1eeb \u0111\u00f3 m\u1ed9t b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c xem x\u00e9t trong m\u1ed9t m\u1ed1i quan h\u1ec7. M\u1ed9t b\u1ed9 ph\u1eadn duy nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea3m nh\u1eadn nhi\u1ec1u vai tr\u00f2 trong c\u00e1c b\u1ed1i c\u1ea3nh kh\u00e1c nhau. M\u1ed9t vai tr\u00f2 th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t h\u00ecnh tr\u00f2n nh\u1ecf (qu\u1ea3 b\u00f3ng) \u1edf \u0111\u1ea7u c\u1ee7a m\u1ed9t k\u1ebft n\u1ed1i.<\/p>\n

            \n
          • Vai tr\u00f2 cung c\u1ea5p:<\/strong> B\u1ed9 ph\u1eadn cung c\u1ea5p m\u1ed9t d\u1ecbch v\u1ee5 cho b\u00ean ngo\u00e0i.<\/li>\n
          • Vai tr\u00f2 y\u00eau c\u1ea7u:<\/strong> B\u1ed9 ph\u1eadn c\u1ea7n m\u1ed9t d\u1ecbch v\u1ee5 t\u1eeb b\u00ean ngo\u00e0i.<\/li>\n
          • S\u1ef1 r\u00f5 r\u00e0ng:<\/strong> C\u00e1c vai tr\u00f2 gi\u00fap l\u00e0m r\u00f5 tr\u00e1ch nhi\u1ec7m c\u1ee5 th\u1ec3 m\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn \u0111\u1ea3m nh\u1eadn trong m\u1ed9t t\u01b0\u01a1ng t\u00e1c l\u1edbn h\u01a1n.<\/li>\n<\/ul>\n

            \ud83d\udcd0 Ng\u1eef ph\u00e1p v\u00e0 k\u00fd hi\u1ec7u tr\u1ef1c quan<\/h2>\n

            T\u00ednh nh\u1ea5t qu\u00e1n tr\u1ef1c quan l\u00e0 ch\u00eca kh\u00f3a cho vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a hi\u1ec7u qu\u1ea3. S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh s\u1eed d\u1ee5ng c\u00e1c h\u00ecnh d\u1ea1ng c\u1ee5 th\u1ec3 \u0111\u1ec3 truy\u1ec1n \u0111\u1ea1t \u00fd ngh\u0129a m\u1ed9t c\u00e1ch nhanh ch\u00f3ng.<\/p>\n\n\n\n\n\n\n\n\n\n
            Y\u1ebfu t\u1ed1<\/th>\nTr\u00ecnh b\u00e0y tr\u1ef1c quan<\/th>\n\u00dd ngh\u0129a<\/th>\n<\/tr>\n<\/thead>\n
            Ph\u00e2n lo\u1ea1i<\/td>\nH\u00ecnh ch\u1eef nh\u1eadt c\u00f3 g\u00f3c b\u1ecb g\u1eadp l\u1ea1i ho\u1eb7c h\u1ed9p chia ng\u0103n<\/td>\n\u0110\u1ed1i t\u01b0\u1ee3ng ch\u00ednh \u0111ang \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a<\/td>\n<\/tr>\n
            Ph\u1ea7n<\/td>\nH\u00ecnh ch\u1eef nh\u1eadt b\u00ean trong bi\u00ean gi\u1edbi ph\u00e2n lo\u1ea1i<\/td>\nM\u1ed9t th\u00e0nh ph\u1ea7n c\u1ea5u th\u00e0nh<\/td>\n<\/tr>\n
            C\u1ed5ng<\/td>\nH\u00ecnh vu\u00f4ng ho\u1eb7c h\u00ecnh ch\u1eef nh\u1eadt nh\u1ecf tr\u00ean bi\u00ean gi\u1edbi<\/td>\n\u0110i\u1ec3m t\u01b0\u01a1ng t\u00e1c<\/td>\n<\/tr>\n
            B\u1ed9 n\u1ed1i<\/td>\n\u0110\u01b0\u1eddng n\u1ed1i c\u00e1c ph\u1ea7n ho\u1eb7c c\u1ed5ng<\/td>\nM\u1ed1i quan h\u1ec7 ho\u1eb7c lu\u1ed3ng d\u1eef li\u1ec7u<\/td>\n<\/tr>\n
            Vai tr\u00f2<\/td>\nV\u00f2ng tr\u00f2n nh\u1ecf g\u1eafn \u1edf \u0111\u1ea7u c\u1ee7a m\u1ed9t b\u1ed9 n\u1ed1i<\/td>\nCh\u1ee9c n\u0103ng c\u1ee7a k\u1ebft n\u1ed1i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            \ud83c\udd9a S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh so v\u1edbi S\u01a1 \u0111\u1ed3 L\u1edbp<\/h2>\n

            Nhi\u1ec1u nh\u00e0 ph\u00e1t tri\u1ec3n nh\u1ea7m l\u1eabn gi\u1eefa S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh v\u1edbi S\u01a1 \u0111\u1ed3 L\u1edbp ti\u00eau chu\u1ea9n. M\u1eb7c d\u00f9 c\u1ea3 hai \u0111\u1ec1u li\u00ean quan \u0111\u1ebfn l\u1edbp, nh\u01b0ng ph\u1ea1m vi v\u00e0 m\u1ee5c \u0111\u00edch c\u1ee7a ch\u00fang kh\u00e1c nhau \u0111\u00e1ng k\u1ec3. Hi\u1ec3u \u0111\u01b0\u1ee3c khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng lo\u1ea1i 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
            • Ph\u1ea1m vi S\u01a1 \u0111\u1ed3 L\u1edbp:<\/strong> T\u1eadp trung v\u00e0o c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa nhi\u1ec1u l\u1edbp (k\u1ebf th\u1eeba, li\u00ean k\u1ebft, t\u1ed5ng h\u1ee3p). \u0110\u00e2y l\u00e0 m\u1ed9t c\u00e1i nh\u00ecn t\u0129nh v\u1ec1 ki\u1ebfn tr\u00fac c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n
            • Ph\u1ea1m vi S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh:<\/strong> T\u1eadp trung v\u00e0o c\u1ea5u t\u1ea1o b\u00ean trong c\u1ee7a m\u1ed9t l\u1edbp duy nh\u1ea5t. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00e1i nh\u00ecn chi ti\u1ebft v\u1ec1 gi\u1ea3i ph\u1eabu c\u1ee7a m\u1ed9t \u0111\u01a1n v\u1ecb c\u1ee5 th\u1ec3.<\/li>\n<\/ul>\n

              Xem x\u00e9t so s\u00e1nh sau \u0111\u00e2y:<\/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 ch\u00ednh<\/strong><\/td>\nM\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c l\u1edbp<\/td>\nS\u1ef1 k\u1ebft h\u1ee3p trong l\u1edbp<\/td>\n<\/tr>\n
              \u0110\u1ed9 chi ti\u1ebft<\/strong><\/td>\nV\u0129 m\u00f4 (c\u1ea5p h\u1ec7 th\u1ed1ng)<\/td>\nVi m\u00f4 (c\u1ea5p th\u00e0nh ph\u1ea7n)<\/td>\n<\/tr>\n
              Chi ti\u1ebft b\u00ean trong<\/strong><\/td>\nT\u1ed1i thi\u1ec3u (Thu\u1ed9c t\u00ednh\/Ph\u01b0\u01a1ng th\u1ee9c)<\/td>\nCao (C\u00e1c b\u1ed9 ph\u1eadn\/C\u1ed5ng\/K\u1ebft n\u1ed1i)<\/td>\n<\/tr>\n
              D\u00f9ng t\u1ed1t nh\u1ea5t cho<\/strong><\/td>\nT\u1ed5ng quan v\u1ec1 c\u1ea5u tr\u00fac h\u1ec7 th\u1ed1ng<\/td>\nThi\u1ebft k\u1ebf logic n\u1ed9i b\u1ed9 ph\u1ee9c t\u1ea1p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              \ud83d\udee0\ufe0f V\u00ed d\u1ee5 th\u1ef1c t\u1ebf \u00e1p d\u1ee5ng<\/h2>\n

              H\u00e3y c\u00f9ng xem x\u00e9t m\u1ed9t t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3 \u0111\u1ec3 th\u1ea5y c\u00e1ch nh\u1eefng kh\u00e1i ni\u1ec7m n\u00e0y \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong b\u1ed1i c\u1ea3nh th\u1ef1c t\u1ebf. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t DocumentViewer<\/code> \u1ee9ng d\u1ee5ng.<\/p>\n

              T\u00ecnh hu\u1ed1ng: Ki\u1ebfn tr\u00fac Document Viewer<\/h3>\n

              H\u1ec7 th\u1ed1ng DocumentViewer<\/code> l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p. N\u00f3 c\u1ea7n hi\u1ec3n th\u1ecb v\u0103n b\u1ea3n, x\u1eed l\u00fd h\u00ecnh \u1ea3nh v\u00e0 qu\u1ea3n l\u00fd \u0111\u1ea7u v\u00e0o ng\u01b0\u1eddi d\u00f9ng. M\u1ed9t s\u01a1 \u0111\u1ed3 l\u1edbp \u0111\u01a1n gi\u1ea3n s\u1ebd hi\u1ec3n th\u1ecb DocumentViewer<\/code> nh\u01b0 m\u1ed9t h\u1ed9p \u0111en v\u1edbi c\u00e1c ph\u01b0\u01a1ng th\u1ee9c nh\u01b0 render()<\/code> v\u00e0 save()<\/code>. M\u1ed9t s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p ti\u1ebft l\u1ed9 \u0111\u1ed9ng c\u01a1 ph\u00eda sau h\u1eadu tr\u01b0\u1eddng.<\/p>\n

              S\u1ef1 k\u1ebft h\u1ee3p b\u00ean trong<\/h4>\n
                \n
              • Ph\u1ea7n 1: TextRenderer<\/code><\/strong><\/li>\n
              • Vai tr\u00f2:<\/strong> Cung c\u1ea5p d\u1ecbch v\u1ee5 hi\u1ec3n th\u1ecb c\u00e1c k\u00fd t\u1ef1 v\u0103n b\u1ea3n.<\/li>\n
              • K\u1ebft n\u1ed1i:<\/strong>\u0110\u00e3 k\u1ebft n\u1ed1i v\u1edbi c\u1ed5ng \u0111\u1ea7u v\u00e0o t\u00ean l\u00e0textStream<\/code>.<\/li>\n
              • Ph\u1ea7n 2: ImageHandler<\/code><\/strong><\/li>\n
              • Vai tr\u00f2:<\/strong> Qu\u1ea3n l\u00fd vi\u1ec7c t\u1ea3i v\u00e0 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc d\u1eef li\u1ec7u h\u00ecnh \u1ea3nh.<\/li>\n
              • K\u1ebft n\u1ed1i:<\/strong>\u0110\u00e3 k\u1ebft n\u1ed1i v\u1edbi c\u1ed5ng \u0111\u1ea7u v\u00e0o t\u00ean l\u00e0imageStream<\/code>.<\/li>\n
              • Ph\u1ea7n 3: UIController<\/code><\/strong><\/li>\n
              • Vai tr\u00f2:<\/strong> \u0110i\u1ec1u ph\u1ed1i c\u00e1c h\u00e0nh \u0111\u1ed9ng gi\u1eefa b\u1ed9 hi\u1ec3n th\u1ecb v\u00e0 b\u1ed9 x\u1eed l\u00fd.<\/li>\n
              • Ph\u1ea7n 4: StorageManager<\/code><\/strong><\/li>\n
              • Vai tr\u00f2:<\/strong> X\u1eed l\u00fd vi\u1ec7c \u0111\u1ecdc t\u1eeb \u0111\u0129a v\u00e0 ghi c\u00e1c thay \u0111\u1ed5i.<\/li>\n<\/ul>\n

                Lu\u1ed3ng t\u01b0\u01a1ng t\u00e1c<\/h4>\n

                C\u00e1iUIController<\/code> ho\u1ea1t \u0111\u1ed9ng nh\u01b0 trung t\u00e2m \u0111i\u1ec1u ph\u1ed1i. N\u00f3 nh\u1eadn y\u00eau c\u1ea7u m\u1edf m\u1ed9t t\u1ec7p th\u00f4ng qua c\u1ed5ngopenFile<\/code> c\u1ed5ng. N\u00f3 \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfnStorageManager<\/code> \u0111\u1ec3 l\u1ea5y d\u1eef li\u1ec7u. Khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy xu\u1ea5t, th\u00ecUIController<\/code> chuy\u1ec3n d\u1eef li\u1ec7u v\u0103n b\u1ea3n \u0111\u1ebfn TextRenderer<\/code> v\u00e0 d\u1eef li\u1ec7u h\u00ecnh \u1ea3nh \u0111\u1ebfn ImageHandler<\/code>. Cu\u1ed1i c\u00f9ng, n\u1ed9i dung \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn m\u00e0n h\u00ecnh th\u00f4ng qua m\u1ed9t c\u1ed5ng \u0111\u1ea7u ra.<\/p>\n

                M\u1ee9c \u0111\u1ed9 chi ti\u1ebft n\u00e0y cho ph\u00e9p c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 nh\u00ecn th\u1ea5y c\u00e1c \u0111i\u1ec3m ngh\u1ebdn ti\u1ec1m t\u00e0ng. N\u1ebfu ImageHandler<\/code> ch\u1eadm, th\u00ec UIController<\/code>c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u1ec7m c\u00e1c y\u00eau c\u1ea7u, ng\u0103n ch\u1eb7n to\u00e0n b\u1ed9 tr\u00ecnh xem b\u1ecb treo.<\/p>\n

                \ud83d\ude80 Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 n\u00e0y<\/h2>\n

                Kh\u00f4ng ph\u1ea3i l\u1edbp n\u00e0o c\u0169ng c\u1ea7n s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh. Vi\u1ec7c ghi ch\u00e9p qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1eefng c\u01a1n \u00e1c m\u1ed9ng b\u1ea3o tr\u00ec. S\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 n\u00e0y khi c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng.<\/p>\n

                  \n
                • \u0110\u1ed9 ph\u1ee9c t\u1ea1p cao:<\/strong> L\u1edbp ch\u1ee9a nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng l\u1ed3ng nhau ho\u1eb7c ph\u1ee5 thu\u1ed9c.<\/li>\n
                • M\u1eabu thi\u1ebft k\u1ebf:<\/strong> B\u1ea1n \u0111ang tri\u1ec3n khai c\u00e1c m\u1eabu nh\u01b0 H\u1ee3p th\u00e0nh, B\u1ee9c t\u01b0\u1eddng, ho\u1eb7c C\u1ea7u n\u1ed1i, nh\u1eefng m\u1eabu n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o c\u1ea5u tr\u00fac b\u00ean trong.<\/li>\n
                • Ph\u00e1t tri\u1ec3n d\u1ef1a tr\u00ean th\u00e0nh ph\u1ea7n:<\/strong> B\u1ea1n \u0111ang thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng m\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay th\u1ebf ho\u1eb7c t\u00e1i s\u1eed d\u1ee5ng trong c\u00e1c ng\u1eef c\u1ea3nh kh\u00e1c nhau.<\/li>\n
                • L\u00e0m r\u00f5 giao di\u1ec7n:<\/strong> B\u1ea1n c\u1ea7n hi\u1ec3n th\u1ecb c\u00e1ch c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong tri\u1ec3n khai c\u00e1c giao di\u1ec7n c\u1ee5 th\u1ec3.<\/li>\n<\/ul>\n

                  N\u1ebfu m\u1ed9t l\u1edbp \u0111\u01a1n gi\u1ea3n v\u1edbi ch\u1ec9 v\u00e0i thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c, s\u01a1 \u0111\u1ed3 l\u1edbp ti\u00eau chu\u1ea9n l\u00e0 \u0111\u1ee7. H\u00e3y d\u00e0nh s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh cho nh\u1eefng th\u00e0nh ph\u1ea7n ch\u00ednh trong ki\u1ebfn tr\u00fac c\u1ee7a b\u1ea1n.<\/p>\n

                  \ud83e\uddea M\u1eabu thi\u1ebft k\u1ebf v\u00e0 m\u00f4 h\u00ecnh h\u00f3a<\/h2>\n

                  S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh \u0111\u1eb7c bi\u1ec7t m\u1ea1nh m\u1ebd khi m\u00f4 h\u00ecnh h\u00f3a c\u00e1c c\u1ea5u tr\u00fac \u0111\u1ec7 quy. \u0110i\u1ec1u n\u00e0y ph\u1ed5 bi\u1ebfn trong h\u1ec7 th\u1ed1ng t\u1eadp tin, c\u00e1c c\u00f4ng c\u1ee5 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng v\u00e0 s\u01a1 \u0111\u1ed3 t\u1ed5 ch\u1ee9c.<\/p>\n

                  M\u1eabu H\u1ee3p th\u00e0nh<\/h3>\n

                  Trong M\u1eabu H\u1ee3p th\u00e0nh, kh\u00e1ch h\u00e0ng x\u1eed l\u00fd c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ri\u00eang l\u1ebb v\u00e0 c\u00e1c t\u1ed5 h\u1ee3p \u0111\u1ed1i t\u01b0\u1ee3ng m\u1ed9t c\u00e1ch \u0111\u1ed3ng nh\u1ea5t. S\u01a1 \u0111\u1ed3 gi\u00fap h\u00ecnh dung r\u00f5 s\u1ef1 \u0111\u1ec7 quy n\u00e0y.<\/p>\n

                    \n
                  • Th\u00e0nh ph\u1ea7n l\u00e1:<\/strong> M\u1ed9t ph\u1ea7n kh\u00f4ng c\u00f3 con.<\/li>\n
                  • Th\u00e0nh ph\u1ea7n h\u1ee3p th\u00e0nh:<\/strong> M\u1ed9t ph\u1ea7n c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c ph\u1ea7n kh\u00e1c.<\/li>\n
                  • Tr\u1ef1c quan h\u00f3a \u0111\u1ec7 quy:<\/strong> S\u01a1 \u0111\u1ed3 cho th\u1ea5y c\u00e1ch m\u00e0 m\u1ed9t B\u1ed9 ch\u1ee9a<\/code> ph\u1ea7n ch\u1ee9a danh s\u00e1ch c\u00e1c M\u1ee5c<\/code> ph\u1ea7n. Ph\u1ea7n M\u1ee5c<\/code> ph\u1ea7n c\u00f3 th\u1ec3 ch\u00ednh n\u00f3 l\u00e0 m\u1ed9t B\u1ed9 ch\u1ee9a<\/code>.<\/li>\n<\/ul>\n

                    M\u1eabu Facade<\/h3>\n

                    M\u1ed9t Facade cung c\u1ea5p m\u1ed9t giao di\u1ec7n \u0111\u01a1n gi\u1ea3n h\u00f3a cho m\u1ed9t h\u1ec7 th\u1ed1ng con ph\u1ee9c t\u1ea1p. S\u01a1 \u0111\u1ed3 cho th\u1ea5y c\u00e1ch ph\u1ea7n Facade che gi\u1ea5u \u0111\u1ed9 ph\u1ee9c t\u1ea1p b\u00ean trong c\u1ee7a c\u00e1c ph\u1ea7n h\u1ec7 th\u1ed1ng con kh\u1ecfi kh\u00e1ch h\u00e0ng b\u00ean ngo\u00e0i.<\/p>\n

                      \n
                    • C\u1eeda tr\u01b0\u1edbc:<\/strong> C\u1ed5ng Facade.<\/li>\n
                    • Ph\u00eda sau:<\/strong> C\u00e1c ph\u1ea7n h\u1ec7 th\u1ed1ng con \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u00ean trong.<\/li>\n
                    • Bao \u0111\u00f3ng:<\/strong>Kh\u00e1ch h\u00e0ng kh\u00f4ng nh\u00ecn th\u1ea5y c\u00e1c ph\u1ea7n h\u1ec7 th\u1ed1ng con tr\u1ef1c ti\u1ebfp.<\/li>\n<\/ul>\n

                      \u26a0\ufe0f Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/h2>\n

                      Vi\u1ec7c t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y \u0111\u00f2i h\u1ecfi s\u1ef1 k\u1ef7 lu\u1eadt. Tr\u00e1nh nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn l\u00e0m gi\u1ea3m gi\u00e1 tr\u1ecb c\u1ee7a ch\u00fang.<\/p>\n

                      Nh\u1eefng sai l\u1ea7m<\/h3>\n
                        \n
                      • Qu\u00e1 thi\u1ebft k\u1ebf:<\/strong> M\u00f4 h\u00ecnh h\u00f3a t\u1eebng bi\u1ebfn n\u1ed9i b\u1ed9. T\u1eadp trung v\u00e0o c\u00e1c m\u1ed1i quan h\u1ec7 c\u1ea5u tr\u00fac, ch\u1ee9 kh\u00f4ng ph\u1ea3i thu\u1ed9c t\u00ednh d\u1eef li\u1ec7u.<\/li>\n
                      • Kh\u00f4ng nh\u1ea5t qu\u00e1n:<\/strong> Tr\u1ed9n l\u1eabn c\u00e1c quan \u0111i\u1ec3m n\u1ed9i b\u1ed9 v\u00e0 b\u00ean ngo\u00e0i m\u1ed9t c\u00e1ch g\u00e2y nh\u1ea7m l\u1eabn. Gi\u1eef ranh gi\u1edbi r\u00f5 r\u00e0ng.<\/li>\n
                      • B\u1ecf qua c\u00e1c c\u1ed5ng:<\/strong> Qu\u00ean \u0111\u1ecbnh ngh\u0129a c\u00e1c c\u1ed5ng d\u1eabn \u0111\u1ebfn c\u00e1c \u0111i\u1ec3m t\u01b0\u01a1ng t\u00e1c kh\u00f4ng r\u00f5 r\u00e0ng. Lu\u00f4n lu\u00f4n x\u00e1c \u0111\u1ecbnh c\u00e1ch c\u00e1c ph\u1ea7n giao ti\u1ebfp v\u1edbi b\u00ean ngo\u00e0i.<\/li>\n
                      • T\u0129nh vs. \u0110\u1ed9ng:<\/strong> H\u00e3y nh\u1edb r\u1eb1ng s\u01a1 \u0111\u1ed3 n\u00e0y mang t\u00ednh c\u1ea5u tr\u00fac. N\u00f3 kh\u00f4ng th\u1ec3 hi\u1ec7n th\u1ee9 t\u1ef1 th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c. S\u1eed d\u1ee5ng S\u01a1 \u0111\u1ed3 Chu\u1ed7i \u0111\u1ec3 th\u1ec3 hi\u1ec7n lu\u1ed3ng.<\/li>\n<\/ul>\n

                        C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/h3>\n
                          \n
                        • T\u00ednh module:<\/strong> Gi\u1eef s\u1ed1 l\u01b0\u1ee3ng ph\u1ea7n \u1edf m\u1ee9c d\u1ec5 qu\u1ea3n l\u00fd. N\u1ebfu m\u1ed9t c\u1ea5u tr\u00fac c\u00f3 qu\u00e1 nhi\u1ec1u ph\u1ea7n, h\u00e3y c\u00e2n nh\u1eafc chia nh\u1ecf b\u1ed9 ph\u00e2n lo\u1ea1i.<\/li>\n
                        • \u0110\u1eb7t t\u00ean r\u00f5 r\u00e0ng:<\/strong>\u0110\u1eb7t t\u00ean cho c\u00e1c c\u1ed5ng v\u00e0 k\u1ebft n\u1ed1i d\u1ef1a tr\u00ean d\u1ecbch v\u1ee5 m\u00e0 ch\u00fang cung c\u1ea5p ho\u1eb7c y\u00eau c\u1ea7u (v\u00ed d\u1ee5 nh\u01b0 truy c\u1eadp\u0110\u1ecdc<\/code>, truy c\u1eadpGhi<\/code>).<\/li>\n
                        • T\u1ea7ng l\u1edbp:<\/strong> N\u1ebfu c\u1ea5u tr\u00fac b\u00ean trong s\u00e2u, h\u00e3y c\u00e2n nh\u1eafc l\u1ed3ng gh\u00e9p c\u00e1c c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh ho\u1eb7c s\u1eed d\u1ee5ng nhi\u1ec1u s\u01a1 \u0111\u1ed3 cho c\u00e1c g\u00f3c nh\u00ecn kh\u00e1c nhau.<\/li>\n
                        • T\u00e0i li\u1ec7u:<\/strong> Th\u00eam ghi ch\u00fa \u0111\u1ec3 gi\u1ea3i th\u00edch c\u00e1c t\u01b0\u01a1ng t\u00e1c ph\u1ee9c t\u1ea1p m\u00e0 kh\u00f4ng th\u1ec3 hi\u1ec3n th\u1ecb tr\u1ef1c quan.<\/li>\n<\/ul>\n

                          \ud83d\udd17 T\u00edch h\u1ee3p v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 UML kh\u00e1c<\/h2>\n

                          S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh kh\u00f4ng t\u1ed3n t\u1ea1i \u0111\u1ed9c l\u1eadp. N\u00f3 t\u00edch h\u1ee3p v\u1edbi b\u1ed9 c\u00f4ng c\u1ee5 UML r\u1ed9ng l\u1edbn \u0111\u1ec3 cung c\u1ea5p b\u1ee9c tranh to\u00e0n di\u1ec7n v\u1ec1 h\u1ec7 th\u1ed1ng.<\/p>\n

                            \n
                          • S\u01a1 \u0111\u1ed3 l\u1edbp:<\/strong> S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh l\u00e0 s\u1ef1 tinh ch\u1ec9nh c\u1ee7a \u0111\u1ecbnh ngh\u0129a l\u1edbp trong s\u01a1 \u0111\u1ed3 l\u1edbp. B\u1ea1n c\u00f3 th\u1ec3 li\u00ean k\u1ebft ch\u00fang \u0111\u1ec3 cho th\u1ea5y g\u00f3c nh\u00ecn chi ti\u1ebft n\u00e0y thu\u1ed9c v\u1ec1 l\u1edbp \u0111\u00f3.<\/li>\n
                          • S\u01a1 \u0111\u1ed3 th\u00e0nh ph\u1ea7n:<\/strong> N\u1ebfu m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n, s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh m\u00f4 t\u1ea3 logic b\u00ean trong c\u1ee7a n\u00f3, trong khi s\u01a1 \u0111\u1ed3 th\u00e0nh ph\u1ea7n m\u00f4 t\u1ea3 c\u00e1ch n\u00f3 k\u1ebft n\u1ed1i v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c.<\/li>\n
                          • S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1:<\/strong> Trong khi s\u01a1 \u0111\u1ed3 h\u1ee3p th\u00e0nh th\u1ec3 hi\u1ec7n c\u1ea5u tr\u00fac, s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 th\u1ec3 hi\u1ec7n c\u00e1ch c\u00e1c ph\u1ea7n \u0111\u00f3 t\u01b0\u01a1ng t\u00e1c theo th\u1eddi gian. S\u1eed d\u1ee5ng c\u1ea3 hai \u0111\u1ec3 hi\u1ec3u to\u00e0n di\u1ec7n.<\/li>\n
                          • S\u01a1 \u0111\u1ed3 tri\u1ec3n khai:<\/strong> M\u1ed9t khi c\u1ea5u tr\u00fac b\u00ean trong \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, b\u1ea1n c\u00f3 th\u1ec3 quy\u1ebft \u0111\u1ecbnh ph\u1ea7n n\u00e0o c\u1ea7n ch\u1ea1y tr\u00ean c\u00e1c m\u00e1y t\u00ednh ho\u1eb7c ti\u1ebfn tr\u00ecnh ri\u00eang bi\u1ec7t.<\/li>\n<\/ul>\n

                            \ud83d\udcdd C\u00e1c c\u00e2n nh\u1eafc v\u1ec1 tri\u1ec3n khai<\/h2>\n

                            Khi chuy\u1ec3n t\u1eeb thi\u1ebft k\u1ebf sang m\u00e3 h\u00f3a, s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh \u0111\u00f3ng vai tr\u00f2 nh\u01b0 b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf. N\u00f3 h\u01b0\u1edbng d\u1eabn c\u00e1ch c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n kh\u1edfi t\u1ea1o l\u1edbp v\u00e0 qu\u1ea3n l\u00fd ph\u1ee5 thu\u1ed9c.<\/p>\n

                              \n
                            • Ch\u00e8n ph\u1ee5 thu\u1ed9c:<\/strong>C\u00e1c ph\u1ea7n th\u01b0\u1eddng \u0111\u1ea1i di\u1ec7n cho c\u00e1c ph\u1ee5 thu\u1ed9c c\u1ea7n \u0111\u01b0\u1ee3c ch\u00e8n thay v\u00ec \u0111\u01b0\u1ee3c ghi c\u1ee9ng.<\/li>\n
                            • T\u00e1ch bi\u1ec7t giao di\u1ec7n:<\/strong>C\u00e1c c\u1ed5ng khuy\u1ebfn kh\u00edch vi\u1ec7c t\u1ea1o ra c\u00e1c giao di\u1ec7n nh\u1ecf, t\u1eadp trung thay v\u00ec c\u00e1c giao di\u1ec7n l\u1edbn, \u0111\u01a1n th\u1ec3.<\/li>\n
                            • Ki\u1ec3m th\u1eed:<\/strong> Vi\u1ec7c \u0111\u1ecbnh ngh\u0129a r\u00f5 r\u00e0ng c\u00e1c ph\u1ea7n v\u00e0 c\u1ed5ng gi\u00fap ki\u1ec3m th\u1eed \u0111\u01a1n v\u1ecb d\u1ec5 d\u00e0ng h\u01a1n. B\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3 l\u1eadp c\u00e1c c\u1ed5ng \u0111\u1ec3 ki\u1ec3m th\u1eed c\u00e1c ph\u1ea7n c\u1ee5 th\u1ec3 m\u1ed9t c\u00e1ch \u0111\u1ed9c l\u1eadp.<\/li>\n
                            • T\u00e1i c\u1ea5u tr\u00fac:<\/strong> N\u1ebfu c\u1ea5u tr\u00fac b\u00ean trong c\u1ea7n thay \u0111\u1ed5i, s\u01a1 \u0111\u1ed3 s\u1ebd l\u00e0m n\u1ed5i b\u1eadt nh\u1eefng giao di\u1ec7n (c\u1ed5ng) n\u00e0o ph\u1ea3i duy tr\u00ec \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng kh\u00e1ch h\u00e0ng b\u00ean ngo\u00e0i.<\/li>\n<\/ul>\n

                              \ud83e\udded K\u1ebft lu\u1eadn v\u1ec1 M\u00f4 h\u00ecnh h\u00f3a B\u00ean trong<\/h2>\n

                              S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh UML l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 chuy\u00ean bi\u1ec7t cho ph\u00e2n t\u00edch ki\u1ebfn tr\u00fac s\u00e2u s\u1eafc. N\u00f3 \u0111i v\u01b0\u1ee3t qua b\u1ec1 m\u1eb7t nh\u1eefng g\u00ec m\u1ed9t l\u1edbp l\u00e0m \u0111\u1ec3 gi\u1ea3i th\u00edch c\u00e1ch n\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng. B\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh c\u00e1c b\u1ed9 ph\u1eadn, c\u1ed5ng v\u00e0 k\u1ebft n\u1ed1i, c\u00e1c \u0111\u1ed9i ng\u0169 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 hi\u1ec3u bi\u1ebft chung v\u1ec1 logic n\u1ed9i b\u1ed9 ph\u1ee9c t\u1ea1p.<\/p>\n

                              M\u1eb7c d\u00f9 n\u00f3 th\u00eam m\u1ed9t l\u1edbp chi ti\u1ebft c\u00f3 th\u1ec3 tr\u00f4ng kh\u00f4ng c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n \u0111\u01a1n gi\u1ea3n, nh\u01b0ng gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3 tr\u1edf n\u00ean r\u00f5 r\u00e0ng trong c\u00e1c h\u1ec7 th\u1ed1ng quy m\u00f4 l\u1edbn. N\u00f3 th\u00fac \u0111\u1ea9y vi\u1ec7c t\u00e1ch r\u1eddi, l\u00e0m r\u00f5 tr\u00e1ch nhi\u1ec7m v\u00e0 h\u1ed7 tr\u1ee3 vi\u1ec7c tri\u1ec3n khai c\u00e1c m\u1eabu thi\u1ebft k\u1ebf v\u1eefng ch\u1eafc. S\u1eed d\u1ee5ng n\u00f3 khi quan \u0111i\u1ec3m n\u1ed9i b\u1ed9 quan tr\u1ecdng h\u01a1n giao di\u1ec7n b\u00ean ngo\u00e0i.<\/p>\n

                              B\u1eaft \u0111\u1ea7u \u00e1p d\u1ee5ng nh\u1eefng kh\u00e1i ni\u1ec7m n\u00e0y v\u00e0o l\u1edbp ph\u1ee9c t\u1ea1p ti\u1ebfp theo c\u1ee7a b\u1ea1n. X\u00e1c \u0111\u1ecbnh c\u00e1c b\u1ed9 ph\u1eadn. X\u00e1c \u0111\u1ecbnh c\u00e1c c\u1ed5ng. K\u1ebft n\u1ed1i c\u00e1c vai tr\u00f2. B\u1ea1n s\u1ebd th\u1ea5y r\u1eb1ng \u0111\u1ed9 ph\u1ee9c t\u1ea1p n\u1ed9i b\u1ed9 c\u1ee7a ph\u1ea7n m\u1ec1m c\u1ee7a m\u00ecnh tr\u1edf n\u00ean d\u1ec5 qu\u1ea3n l\u00fd v\u00e0 gi\u1ea3i th\u00edch h\u01a1n nhi\u1ec1u.<\/p>\n","protected":false},"excerpt":{"rendered":"

                              Trong ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m, vi\u1ec7c hi\u1ec3u \u0111\u01b0\u1ee3c h\u00e0nh vi b\u00ean ngo\u00e0i c\u1ee7a m\u1ed9t th\u00e0nh ph\u1ea7n th\u01b0\u1eddng l\u00e0 ch\u01b0a \u0111\u1ee7. \u0110\u1ec3 th\u1ef1c s\u1ef1 n\u1eafm r\u00f5 c\u00e1ch m\u1ed9t h\u1ec7 th\u1ed1ng ho\u1ea1t…<\/p>\n","protected":false},"author":1,"featured_media":66,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh UML: H\u01b0\u1edbng d\u1eabn cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u \ud83c\udfd7\ufe0f","_yoast_wpseo_metadesc":"Hi\u1ec3u s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh UML. H\u1ecdc c\u00e1c b\u1ed9 ph\u1eadn, c\u1ed5ng, k\u1ebft n\u1ed1i v\u00e0 c\u00e1c quan \u0111i\u1ec3m n\u1ed9i b\u1ed9 \u0111\u1ec3 thi\u1ebft k\u1ebf ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m t\u1ed1t h\u01a1n. \ud83d\udcd0","inline_featured_image":false,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[7],"tags":[9,15],"class_list":["post-65","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uml","tag-academic","tag-composite-structure-diagram"],"yoast_head":"\nS\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh UML: H\u01b0\u1edbng d\u1eabn cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u \ud83c\udfd7\ufe0f<\/title>\n<meta name=\"description\" content=\"Hi\u1ec3u s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh UML. 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