![\"Chalkboard-style](\"https:\/\/www.go-diagram.com\/wp-content\/uploads\/2026\/04\/uml-class-vs-package-diagram-chalkboard-infographic.jpg\"\/)
<\/figure>\n<\/div>\n\ud83d\udcca Hi\u1ec3u v\u1ec1 s\u01a1 \u0111\u1ed3 l\u1edbp UML<\/h2>\n
S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 lo\u1ea1i s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong UML. N\u00f3 t\u1eadp trung v\u00e0o c\u1ea5u tr\u00fac t\u0129nh c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng b\u1eb1ng c\u00e1ch m\u00f4 t\u1ea3 c\u00e1c l\u1edbp c\u1ee7a h\u1ec7 th\u1ed1ng, thu\u1ed9c t\u00ednh, thao t\u00e1c v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng. Trong b\u1ed1i c\u1ea3nh t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng, s\u01a1 \u0111\u1ed3 l\u1edbp cung c\u1ea5p c\u00e1i nh\u00ecn chi ti\u1ebft. N\u00f3 m\u00f4 t\u1ea3 c\u1ee5 th\u1ec3 c\u00e1ch c\u00e1c \u0111\u01a1n v\u1ecb m\u00e3 ngu\u1ed3n ri\u00eang l\u1ebb t\u01b0\u01a1ng t\u00e1c \u1edf c\u1ea5p \u0111\u1ed9 \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n
C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh<\/h3>\n\n- L\u1edbp:<\/strong>Bi\u1ec3u di\u1ec5n c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng bao g\u1ed3m tr\u1ea1ng th\u00e1i (thu\u1ed9c t\u00ednh) v\u00e0 h\u00e0nh vi (ph\u01b0\u01a1ng th\u1ee9c).<\/li>\n
- Thu\u1ed9c t\u00ednh:<\/strong>C\u00e1c bi\u1ebfn x\u00e1c \u0111\u1ecbnh tr\u1ea1ng th\u00e1i c\u1ee7a m\u1ed9t th\u1ec3 hi\u1ec7n l\u1edbp.<\/li>\n
- Thao t\u00e1c:<\/strong>C\u00e1c h\u00e0m ho\u1eb7c ph\u01b0\u01a1ng th\u1ee9c s\u1eb5n c\u00f3 \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi d\u1eef li\u1ec7u l\u1edbp.<\/li>\n
- M\u1ed1i quan h\u1ec7:<\/strong>C\u00e1c k\u1ebft n\u1ed1i th\u1ec3 hi\u1ec7n c\u00e1ch c\u00e1c l\u1edbp ph\u1ee5 thu\u1ed9c v\u00e0o ho\u1eb7c k\u1ebf th\u1eeba t\u1eeb nhau.<\/li>\n<\/ul>\n
\u0110\u1ed9 chi ti\u1ebft v\u00e0 m\u1ee9c \u0111\u1ed9 c\u1ee5 th\u1ec3<\/h3>\n
S\u01a1 \u0111\u1ed3 l\u1edbp ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c \u0111\u1ed9 chi ti\u1ebft cao. Ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh cho c\u00e1c k\u1ef9 s\u01b0 ph\u1ea7n m\u1ec1m c\u1ea7n hi\u1ec3u r\u00f5 c\u00e1c chi ti\u1ebft tri\u1ec3n khai. Khi t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng b\u1eb1ng s\u01a1 \u0111\u1ed3 l\u1edbp, tr\u1ecdng t\u00e2m l\u00e0:<\/p>\n
\n- X\u00e1c \u0111\u1ecbnh giao di\u1ec7n v\u00e0 h\u1ee3p \u0111\u1ed3ng gi\u1eefa c\u00e1c module.<\/li>\n
- X\u00e1c \u0111\u1ecbnh ki\u1ec3u d\u1eef li\u1ec7u v\u00e0 c\u00e1c r\u00e0ng bu\u1ed9c.<\/li>\n
- Tr\u1ef1c quan h\u00f3a c\u00e1c c\u1ea5u tr\u00fac k\u1ebf th\u1eeba v\u00e0 \u0111a h\u00ecnh.<\/li>\n
- X\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft, t\u1ed5ng h\u1ee3p v\u00e0 k\u1ebft h\u1ee3p.<\/li>\n<\/ul>\n
M\u1ee9c \u0111\u1ed9 chi ti\u1ebft n\u00e0y v\u00f4 c\u00f9ng qu\u00fd gi\u00e1 trong giai \u0111o\u1ea1n tri\u1ec3n khai. N\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 b\u1ea3n v\u1ebd r\u00f5 r\u00e0ng \u0111\u1ec3 vi\u1ebft m\u00e3 ngu\u1ed3n. Tuy nhi\u00ean, khi h\u1ec7 th\u1ed1ng tr\u1edf n\u00ean l\u1edbn, m\u1ed9t s\u01a1 \u0111\u1ed3 l\u1edbp duy nh\u1ea5t c\u00f3 th\u1ec3 tr\u1edf n\u00ean qu\u00e1 t\u1ea3i. N\u00f3 th\u01b0\u1eddng kh\u00f4ng cung c\u1ea5p c\u00e1i nh\u00ecn t\u1ed5ng th\u1ec3 v\u1ec1 c\u00e1ch c\u00e1c h\u1ec7 th\u1ed1ng con ch\u00ednh t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau.<\/p>\n
\ud83d\udce6 Hi\u1ec3u v\u1ec1 s\u01a1 \u0111\u1ed3 g\u00f3i UML<\/h2>\n
S\u01a1 \u0111\u1ed3 g\u00f3i cung c\u1ea5p m\u1ed9t g\u00f3c nh\u00ecn kh\u00e1c bi\u1ec7t. N\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ed5 ch\u1ee9c c\u00e1c th\u00e0nh ph\u1ea7n th\u00e0nh c\u00e1c nh\u00f3m ho\u1eb7c g\u00f3i. Trong UML, m\u1ed9t g\u00f3i l\u00e0 c\u01a1 ch\u1ebf \u0111\u1ec3 t\u1ed5 ch\u1ee9c c\u00e1c th\u00e0nh ph\u1ea7n li\u00ean quan. N\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1ed9t kh\u00f4ng gian t\u00ean ho\u1eb7c m\u1ed9t th\u01b0 m\u1ee5c trong h\u1ec7 th\u1ed1ng t\u1eadp tin. M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a s\u01a1 \u0111\u1ed3 g\u00f3i l\u00e0 qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1ch nh\u00f3m c\u00e1c l\u1edbp, giao di\u1ec7n v\u00e0 c\u00e1c g\u00f3i kh\u00e1c li\u00ean quan l\u1ea1i v\u1edbi nhau.<\/p>\n
C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh<\/h3>\n\n- G\u00f3i:<\/strong>C\u00e1c h\u1ed9p ch\u1ee9a ch\u1ee9a m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c th\u00e0nh ph\u1ea7n m\u00f4 h\u00ecnh li\u00ean quan.<\/li>\n
- Ph\u1ee5 thu\u1ed9c:<\/strong>C\u00e1c d\u1ea5u hi\u1ec7u cho th\u1ea5y m\u1ed9t g\u00f3i ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c \u0111\u1ecbnh ngh\u0129a b\u00ean trong g\u00f3i kh\u00e1c.<\/li>\n
- Nh\u1eadp:<\/strong>C\u00e1c c\u01a1 ch\u1ebf \u0111\u1ec3 l\u00e0m cho c\u00e1c th\u00e0nh ph\u1ea7n t\u1eeb m\u1ed9t g\u00f3i tr\u1edf n\u00ean hi\u1ec3n th\u1ecb trong g\u00f3i kh\u00e1c.<\/li>\n
- Giao di\u1ec7n:<\/strong>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c nh\u00f3m l\u1ea1i trong c\u00e1c g\u00f3i \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c h\u1ee3p \u0111\u1ed3ng d\u1ecbch v\u1ee5.<\/li>\n<\/ul>\n
Tr\u1eebu t\u01b0\u1ee3ng v\u00e0 th\u1ee9 b\u1eadc<\/h3>\n
S\u01a1 \u0111\u1ed3 g\u00f3i ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c tr\u1eebu t\u01b0\u1ee3ng cao h\u01a1n. Ch\u00fang \u00edt quan t\u00e2m \u0111\u1ebfn c\u00e1c thu\u1ed9c t\u00ednh ho\u1eb7c ph\u01b0\u01a1ng th\u1ee9c c\u1ee5 th\u1ec3 h\u01a1n l\u00e0 quan t\u00e2m \u0111\u1ebfn c\u00e1c ranh gi\u1edbi c\u1ea5u tr\u00fac c\u1ee7a ph\u1ea7n m\u1ec1m. Khi t\u1ed5 ch\u1ee9c m\u1ed9t h\u1ec7 th\u1ed1ng b\u1eb1ng s\u01a1 \u0111\u1ed3 g\u00f3i, tr\u1ecdng t\u00e2m chuy\u1ec3n sang:<\/p>\n
\n- X\u00e1c \u0111\u1ecbnh ki\u1ebfn tr\u00fac c\u1ea5p cao c\u1ee7a \u1ee9ng d\u1ee5ng.<\/li>\n
- T\u00e1ch bi\u1ec7t c\u00e1c v\u1ea5n \u0111\u1ec1 th\u00e0nh c\u00e1c m\u00f4-\u0111un logic.<\/li>\n
- Qu\u1ea3n l\u00fd c\u00e1c ph\u1ee5 thu\u1ed9c gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng ch\u00ednh.<\/li>\n
- Thi\u1ebft l\u1eadp c\u00e1c ranh gi\u1edbi r\u00f5 r\u00e0ng cho vi\u1ec7c s\u1edf h\u1eefu c\u1ee7a \u0111\u1ed9i nh\u00f3m.<\/li>\n<\/ul>\n
G\u00f3c nh\u00ecn n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 v\u00e0 ng\u01b0\u1eddi d\u1eabn \u0111\u1ea7u k\u1ef9 thu\u1eadt. N\u00f3 gi\u00fap h\u1ecd nh\u00ecn th\u1ea5y c\u1ea3 khu r\u1eebng ch\u1ee9 kh\u00f4ng ch\u1ec9 t\u1eebng c\u00e2y. B\u1eb1ng c\u00e1ch nh\u00f3m c\u00e1c l\u1edbp v\u00e0o c\u00e1c g\u00f3i, h\u1ec7 th\u1ed1ng tr\u1edf n\u00ean d\u1ec5 thao t\u00e1c h\u01a1n. N\u00f3 gi\u1ea3m t\u1ea3i nh\u1eadn th\u1ee9c c\u1ea7n thi\u1ebft \u0111\u1ec3 hi\u1ec3u c\u00e1ch c\u00e1c ph\u1ea7n kh\u00e1c nhau trong c\u01a1 s\u1edf m\u00e3 t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau.<\/p>\n
\ud83d\udd0d Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh trong t\u1ea7m nh\u00ecn<\/h2>\n
\u0110\u1ec3 l\u00e0m r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t, ch\u00fang ta c\u00f3 th\u1ec3 so s\u00e1nh hai s\u01a1 \u0111\u1ed3 tr\u00ean nhi\u1ec1u kh\u00eda c\u1ea1nh kh\u00e1c nhau. B\u1ea3ng sau \u0111\u00e2y n\u00eau b\u1eadt nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh v\u1ec1 ph\u1ea1m vi, \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 ch\u1ee9c n\u0103ng.<\/p>\n
\n\n\nT\u00ednh n\u0103ng<\/th>\n S\u01a1 \u0111\u1ed3 l\u1edbp UML<\/th>\n S\u01a1 \u0111\u1ed3 g\u00f3i UML<\/th>\n<\/tr>\n<\/thead>\n \n\nTr\u1ecdng t\u00e2m ch\u00ednh<\/strong><\/td>\nC\u00e1c l\u1edbp ri\u00eang l\u1ebb v\u00e0 c\u1ea5u tr\u00fac n\u1ed9i b\u1ed9 c\u1ee7a ch\u00fang<\/td>\n Nh\u00f3m c\u00e1c l\u1edbp v\u00e0 t\u1ed5 ch\u1ee9c c\u1ea5u tr\u00fac<\/td>\n<\/tr>\n \n\u0110\u1ed9 chi ti\u1ebft<\/strong><\/td>\nCao (Thu\u1ed9c t\u00ednh, Ph\u01b0\u01a1ng th\u1ee9c, Ki\u1ec3u d\u1eef li\u1ec7u)<\/td>\n Th\u1ea5p (C\u00e1c m\u00f4-\u0111un, Kh\u00f4ng gian t\u00ean, Ph\u1ee5 thu\u1ed9c)<\/td>\n<\/tr>\n \n\u0110\u1ed1i t\u01b0\u1ee3ng s\u1eed d\u1ee5ng<\/strong><\/td>\nL\u1eadp tr\u00ecnh vi\u00ean, Ng\u01b0\u1eddi tri\u1ec3n khai<\/td>\n Ki\u1ebfn tr\u00fac s\u01b0, Qu\u1ea3n l\u00fd d\u1ef1 \u00e1n, C\u00e1c b\u00ean li\u00ean quan<\/td>\n<\/tr>\n \nLo\u1ea1i m\u1ed1i quan h\u1ec7<\/strong><\/td>\nK\u1ebf th\u1eeba, Li\u00ean k\u1ebft, T\u00edch h\u1ee3p<\/td>\n Ph\u1ee5 thu\u1ed9c, Nh\u1eadp, Truy c\u1eadp<\/td>\n<\/tr>\n \n\u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/strong><\/td>\nC\u00f3 th\u1ec3 tr\u1edf n\u00ean l\u1ed9n x\u1ed9n trong c\u00e1c h\u1ec7 th\u1ed1ng l\u1edbn<\/td>\n \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p th\u00f4ng qua vi\u1ec7c nh\u00f3m<\/td>\n<\/tr>\n \nTr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong><\/td>\nThi\u1ebft k\u1ebf c\u01a1 s\u1edf d\u1eef li\u1ec7u, \u0111\u1ecbnh ngh\u0129a h\u1ee3p \u0111\u1ed3ng API<\/td>\n B\u1ed1 c\u1ee5c ph\u1ee5 h\u1ec7 th\u1ed1ng, b\u1ea3n \u0111\u1ed3 ph\u1ee5 thu\u1ed9c module<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\ud83d\udee0\ufe0f Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 l\u1edbp<\/h2>\n
Vi\u1ec7c ch\u1ecdn c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o giai \u0111o\u1ea1n c\u1ee5 th\u1ec3 c\u1ee7a qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n v\u00e0 v\u1ea5n \u0111\u1ec1 c\u1ea7n gi\u1ea3i quy\u1ebft. S\u01a1 \u0111\u1ed3 l\u1edbp hi\u1ec7u qu\u1ea3 nh\u1ea5t khi t\u1eadp trung v\u00e0o logic n\u1ed9i b\u1ed9 c\u1ee7a m\u1ed9t th\u00e0nh ph\u1ea7n.<\/p>\n
1. Giai \u0111o\u1ea1n thi\u1ebft k\u1ebf chi ti\u1ebft<\/h3>\n
Trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf chi ti\u1ebft, ki\u1ebfn tr\u00fac \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh. \u0110\u1ed9i ng\u0169 c\u1ea7n x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c d\u1eef li\u1ec7u n\u00e0o \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef v\u00e0 c\u00e1ch x\u1eed l\u00fd d\u1eef li\u1ec7u \u0111\u00f3. S\u01a1 \u0111\u1ed3 l\u1edbp h\u1ed7 tr\u1ee3 \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch:<\/p>\n
\n- X\u00e1c \u0111\u1ecbnh ki\u1ec3u d\u1eef li\u1ec7u cho t\u1eebng bi\u1ebfn.<\/li>\n
- X\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c ch\u1eef k\u00fd c\u1ee7a c\u00e1c ph\u01b0\u01a1ng th\u1ee9c.<\/li>\n
- L\u00e0m r\u00f5 c\u00e1c m\u00f4-\u0111un truy c\u1eadp (public, private, protected).<\/li>\n
- T\u00e0i li\u1ec7u h\u00f3a c\u00e1c quy t\u1eafc kinh doanh \u0111\u01b0\u1ee3c nh\u00fang trong logic.<\/li>\n<\/ul>\n
2. Thi\u1ebft k\u1ebf l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/h3>\n
S\u01a1 \u0111\u1ed3 l\u1edbp th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1nh x\u1ea1 tr\u1ef1c ti\u1ebfp sang l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u. Khi t\u1ed5 ch\u1ee9c l\u01b0u tr\u1eef d\u1eef li\u1ec7u, c\u00e1c m\u1ed1i quan h\u1ec7 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong s\u01a1 \u0111\u1ed3 (m\u1ed9t-m\u1ed9t, m\u1ed9t-nhi\u1ec1u) \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i tr\u1ef1c ti\u1ebfp th\u00e0nh kh\u00f3a ngo\u1ea1i v\u00e0 b\u1ea3ng n\u1ed1i. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o m\u00f4 h\u00ecnh d\u1eef li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi logic \u1ee9ng d\u1ee5ng.<\/p>\n
3. Tr\u1ef1c quan h\u00f3a logic ph\u1ee9c t\u1ea1p<\/h3>\n
N\u1ebfu m\u1ed9t module c\u1ee5 th\u1ec3 ch\u1ee9a c\u00e1c c\u1ea5u tr\u00fac k\u1ebf th\u1eeba ph\u1ee9c t\u1ea1p ho\u1eb7c qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i ph\u1ee9c t\u1ea1p, s\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 c\u1ea7n thi\u1ebft. N\u00f3 gi\u00fap c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n hi\u1ec3u \u0111\u01b0\u1ee3c lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 k\u1ebf th\u1eeba h\u00e0nh vi m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ecdc m\u00e3 ngu\u1ed3n th\u00f4.<\/p>\n
\ud83c\udfdb\ufe0f Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 g\u00f3i<\/h2>\n
S\u01a1 \u0111\u1ed3 g\u00f3i t\u1ecf ra v\u01b0\u1ee3t tr\u1ed9i khi quy m\u00f4 d\u1ef1 \u00e1n khi\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 l\u1edbp ri\u00eang l\u1ebb tr\u1edf n\u00ean b\u1ea5t kh\u1ea3 thi. Ch\u00fang l\u00e0 c\u00f4ng c\u1ee5 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho t\u1ed5 ch\u1ee9c c\u1ea5p cao.<\/p>\n
1. Ki\u1ebfn tr\u00fac Microservices<\/h3>\n
Trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n, vi\u1ec7c x\u00e1c \u0111\u1ecbnh ranh gi\u1edbi gi\u1eefa c\u00e1c d\u1ecbch v\u1ee5 l\u00e0 r\u1ea5t quan tr\u1ecdng. S\u01a1 \u0111\u1ed3 g\u00f3i c\u00f3 th\u1ec3 bi\u1ec3u di\u1ec5n c\u00e1c ranh gi\u1edbi n\u00e0y. M\u1ed7i g\u00f3i c\u00f3 th\u1ec3 t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t d\u1ecbch v\u1ee5 c\u1ee5 th\u1ec3 ho\u1eb7c m\u1ed9t ng\u1eef c\u1ea3nh gi\u1edbi h\u1ea1n. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u00e1c \u0111\u1ed9i hi\u1ec3u \u0111\u01b0\u1ee3c d\u1ecbch v\u1ee5 n\u00e0o s\u1edf h\u1eefu d\u1eef li\u1ec7u n\u00e0o.<\/p>\n
2. H\u1ec7 th\u1ed1ng doanh nghi\u1ec7p quy m\u00f4 l\u1edbn<\/h3>\n
C\u00e1c \u1ee9ng d\u1ee5ng doanh nghi\u1ec7p th\u01b0\u1eddng bao g\u1ed3m h\u00e0ng ng\u00e0n l\u1edbp. Vi\u1ec7c nh\u00f3m c\u00e1c l\u1edbp n\u00e0y th\u00e0nh c\u00e1c g\u00f3i (v\u00ed d\u1ee5 nh\u01b0Core<\/em>, UI<\/em>, Logic Kinh doanh<\/em>, Truy c\u1eadp D\u1eef li\u1ec7u<\/em>) t\u1ea1o ra m\u1ed9t c\u1ea5u tr\u00fac d\u1ec5 qu\u1ea3n l\u00fd. S\u01a1 \u0111\u1ed3 g\u00f3i cho th\u1ea5y c\u00e1ch c\u00e1c l\u1edbp n\u00e0y t\u01b0\u01a1ng t\u00e1c m\u00e0 kh\u00f4ng l\u00e0m cho ng\u01b0\u1eddi xem b\u1ecb cho\u00e1ng ng\u1ee3p b\u1edfi chi ti\u1ebft tri\u1ec3n khai.<\/p>\n3. \u0110\u01b0a th\u00e0nh vi\u00ean m\u1edbi v\u00e0o d\u1ef1 \u00e1n<\/h3>\n
Khi m\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n m\u1edbi tham gia d\u1ef1 \u00e1n, s\u01a1 \u0111\u1ed3 g\u00f3i cung c\u1ea5p b\u1ea3n \u0111\u1ed3 h\u00e0nh tr\u00ecnh. N\u00f3 cho th\u1ea5y n\u01a1i t\u00ecm ki\u1ebfm m\u00e3 ngu\u1ed3n li\u00ean quan \u0111\u1ebfn c\u00e1c ch\u1ee9c n\u0103ng c\u1ee5 th\u1ec3. N\u00f3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi: ‘Logic x\u1eed l\u00fd thanh to\u00e1n n\u1eb1m \u1edf \u0111\u00e2u?’ m\u00e0 kh\u00f4ng c\u1ea7n h\u1ecd ph\u1ea3i t\u00ecm ki\u1ebfm qua h\u00e0ng tr\u0103m t\u1ec7p l\u1edbp.<\/p>\n
\ud83d\udd17 Qu\u1ea3n l\u00fd ph\u1ee5 thu\u1ed9c v\u00e0 \u0111\u1ed9\u8026 k\u1ebft<\/h2>\n
M\u1ed9t trong nh\u1eefng kh\u00eda c\u1ea1nh quan tr\u1ecdng nh\u1ea5t c\u1ee7a t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng l\u00e0 qu\u1ea3n l\u00fd c\u00e1c ph\u1ee5 thu\u1ed9c. S\u1ef1 li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd gi\u1eefa c\u00e1c module khi\u1ebfn h\u1ec7 th\u1ed1ng tr\u1edf n\u00ean c\u1ee9ng nh\u1eafc v\u00e0 kh\u00f3 b\u1ea3o tr\u00ec. C\u1ea3 hai lo\u1ea1i s\u01a1 \u0111\u1ed3 \u0111\u1ec1u \u0111\u00f3ng vai tr\u00f2 \u1edf \u0111\u00e2y, nh\u01b0ng theo nh\u1eefng c\u00e1ch kh\u00e1c nhau.<\/p>\n
Qu\u1ea3n l\u00fd ph\u1ee5 thu\u1ed9c \u1edf c\u1ea5p \u0111\u1ed9 g\u00f3i<\/h3>\n
S\u01a1 \u0111\u1ed3 g\u00f3i l\u00e0 c\u00f4ng c\u1ee5 ch\u00ednh \u0111\u1ec3 tr\u1ef1c quan h\u00f3a s\u1ef1 li\u00ean k\u1ebft \u1edf c\u1ea5p \u0111\u1ed9 cao. Ch\u00fang cho th\u1ea5y c\u00e1c module n\u00e0o ph\u1ee5 thu\u1ed9c v\u00e0o nhau. N\u1ebfu G\u00f3i A ph\u1ee5 thu\u1ed9c v\u00e0o G\u00f3i B, \u0111i\u1ec1u \u0111\u00f3 ng\u1ee5 \u00fd r\u1eb1ng nh\u1eefng thay \u0111\u1ed5i \u1edf B c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn A. B\u1eb1ng c\u00e1ch xem x\u00e9t s\u01a1 \u0111\u1ed3 g\u00f3i, c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh:<\/p>\n
\n- Ph\u1ee5 thu\u1ed9c v\u00f2ng:<\/strong>T\u00ecnh hu\u1ed1ng m\u00e0 A ph\u1ee5 thu\u1ed9c v\u00e0o B, v\u00e0 B ph\u1ee5 thu\u1ed9c v\u00e0o A. \u0110i\u1ec1u n\u00e0y t\u1ea1o th\u00e0nh m\u1ed9t v\u00f2ng l\u1eb7p c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i th\u1eddi gian ch\u1ea1y ho\u1eb7c l\u1ed7i bi\u00ean d\u1ecbch.<\/li>\n
- Li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd:<\/strong>C\u00e1c g\u00f3i ph\u1ee5 thu\u1ed9c qu\u00e1 nhi\u1ec1u v\u00e0o tri\u1ec3n khai n\u1ed9i b\u1ed9 c\u1ee7a c\u00e1c g\u00f3i kh\u00e1c thay v\u00ec giao di\u1ec7n c\u1ee7a ch\u00fang.<\/li>\n
- Vi ph\u1ea1m t\u1ea7ng:<\/strong>T\u00ecnh hu\u1ed1ng m\u00e0 m\u1ed9t g\u00f3i c\u1ea5p th\u1ea5p ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t g\u00f3i c\u1ea5p cao, l\u00e0m ph\u00e1 v\u1ee1 c\u00e1c t\u1ea7ng ki\u1ebfn tr\u00fac.<\/li>\n<\/ul>\n
Qu\u1ea3n l\u00fd ph\u1ee5 thu\u1ed9c \u1edf c\u1ea5p \u0111\u1ed9 l\u1edbp<\/h3>\n
S\u01a1 \u0111\u1ed3 l\u1edbp gi\u00fap qu\u1ea3n l\u00fd s\u1ef1 li\u00ean k\u1ebft b\u00ean trong m\u1ed9t g\u00f3i. Ch\u00fang \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c l\u1edbp trong m\u1ed9t module kh\u00f4ng tr\u1edf n\u00ean qu\u00e1 ph\u1ee5 thu\u1ed9c l\u1eabn nhau. N\u1ebfu L\u1edbp A v\u00e0 L\u1edbp B trong c\u00f9ng m\u1ed9t g\u00f3i c\u00f3 qu\u00e1 nhi\u1ec1u m\u1ed1i li\u00ean h\u1ec7, \u0111i\u1ec1u \u0111\u00f3 ng\u1ee5 \u00fd r\u1eb1ng g\u00f3i c\u00f3 th\u1ec3 \u0111ang th\u1ef1c hi\u1ec7n qu\u00e1 nhi\u1ec1u nhi\u1ec7m v\u1ee5. \u0110i\u1ec1u n\u00e0y b\u00e1o hi\u1ec7u nhu c\u1ea7u ph\u00e2n t\u00e1ch s\u00e2u h\u01a1n.<\/p>\n
\ud83d\udd04 K\u1ebft h\u1ee3p c\u1ea3 hai \u0111\u1ec3 x\u00e2y d\u1ef1ng ki\u1ebfn tr\u00fac hi\u1ec7u qu\u1ea3<\/h2>\n
C\u00e1c chi\u1ebfn l\u01b0\u1ee3c t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng v\u1eefng ch\u1eafc nh\u1ea5t s\u1eed d\u1ee5ng \u0111\u1ed3ng th\u1eddi c\u1ea3 hai lo\u1ea1i s\u01a1 \u0111\u1ed3. Ch\u00fang kh\u00f4ng lo\u1ea1i tr\u1eeb nhau; thay v\u00e0o \u0111\u00f3, ch\u00fang b\u1ed5 sung cho nhau \u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng kh\u00e1c nhau.<\/p>\n
Ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn t\u1eeb tr\u00ean xu\u1ed1ng<\/h3>\n
B\u1eaft \u0111\u1ea7u b\u1eb1ng s\u01a1 \u0111\u1ed3 g\u00f3i \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac v\u0129 m\u00f4. X\u00e1c \u0111\u1ecbnh c\u00e1c h\u1ec7 th\u1ed1ng con ch\u00ednh v\u00e0 ranh gi\u1edbi c\u1ee7a ch\u00fang. \u0110i\u1ec1u n\u00e0y thi\u1ebft l\u1eadp khung x\u01b0\u01a1ng c\u1ee7a h\u1ec7 th\u1ed1ng. Khi c\u00e1c g\u00f3i \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, h\u00e3y s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 l\u1edbp \u0111\u1ec3 l\u00e0m r\u00f5 n\u1ed9i dung c\u1ee7a t\u1eebng g\u00f3i.<\/p>\n
Ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn t\u1eeb d\u01b0\u1edbi l\u00ean<\/h3>\n
Trong m\u1ed9t s\u1ed1 t\u00ecnh hu\u1ed1ng t\u00e1i c\u1ea5u tr\u00fac, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u t\u1eeb m\u00e3 ngu\u1ed3n hi\u1ec7n c\u00f3. Ph\u00e2n t\u00edch c\u00e1c l\u1edbp \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c nh\u00f3m t\u1ef1 nhi\u00ean. Sau \u0111\u00f3, t\u1ea1o c\u00e1c g\u00f3i \u0111\u1ec3 ph\u1ea3n \u00e1nh c\u00e1c nh\u00f3m n\u00e0y. C\u1eadp nh\u1eadt s\u01a1 \u0111\u1ed3 g\u00f3i \u0111\u1ec3 ph\u1ea3n \u00e1nh c\u1ea5u tr\u00fac m\u1edbi.<\/p>\n
T\u00ednh nh\u1ea5t qu\u00e1n trong t\u00e0i li\u1ec7u<\/h3>\n
T\u00ednh nh\u1ea5t qu\u00e1n gi\u1eefa hai quan \u0111i\u1ec3m l\u00e0 r\u1ea5t quan tr\u1ecdng. N\u1ebfu m\u1ed9t l\u1edbp di chuy\u1ec3n t\u1eeb g\u00f3i n\u00e0y sang g\u00f3i kh\u00e1c, s\u01a1 \u0111\u1ed3 g\u00f3i ph\u1ea3i \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt ngay l\u1eadp t\u1ee9c. T\u01b0\u01a1ng t\u1ef1, n\u1ebfu th\u00eam m\u1ed9t ph\u1ee5 thu\u1ed9c m\u1edbi gi\u1eefa c\u00e1c g\u00f3i, s\u01a1 \u0111\u1ed3 l\u1edbp ph\u1ea3i ph\u1ea3n \u00e1nh c\u00e1c t\u01b0\u01a1ng t\u00e1c l\u1edbp n\u1ec1n t\u1ea3ng. Duy tr\u00ec s\u1ef1 \u0111\u1ed3ng b\u1ed9 n\u00e0y ng\u0103n ng\u1eeba n\u1ee3 k\u1ef9 thu\u1eadt v\u00e0 s\u1ef1 suy tho\u00e1i t\u00e0i li\u1ec7u.<\/p>\n
\ud83d\udcc8 C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng<\/h2>\n
\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n v\u1eabn h\u1eefu \u00edch theo th\u1eddi gian, h\u00e3y tu\u00e2n theo c\u00e1c th\u1ef1c h\u00e0nh \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp n\u00e0y.<\/p>\n
\n- Gi\u1eef c\u00e1c g\u00f3i nh\u1ecf:<\/strong>M\u1ed9t g\u00f3i n\u00ean c\u00f3 t\u00ednh g\u1eafn k\u1ebft cao. N\u1ebfu m\u1ed9t g\u00f3i ch\u1ee9a c\u00e1c ch\u1ee9c n\u0103ng kh\u00f4ng li\u00ean quan, h\u00e3y chia nh\u1ecf n\u00f3. M\u1ee5c ti\u00eau l\u00e0 g\u1eafn k\u1ebft cao v\u00e0 li\u00ean k\u1ebft th\u1ea5p.<\/li>\n
- Quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean:<\/strong>S\u1eed d\u1ee5ng t\u00ean r\u00f5 r\u00e0ng, m\u00f4 t\u1ea3 cho c\u00e1c g\u00f3i v\u00e0 l\u1edbp. Tr\u00e1nh d\u00f9ng c\u00e1c ch\u1eef vi\u1ebft t\u1eaft kh\u00f4ng ph\u1ea3i l\u00e0 chu\u1ea9n ng\u00e0nh.<\/li>\n
- H\u1ea1n ch\u1ebf \u0111\u1ed9 s\u00e2u:<\/strong>Tr\u00e1nh l\u1ed3ng gh\u00e9p c\u00e1c g\u00f3i qu\u00e1 s\u00e2u. M\u1ed9t c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p s\u00e2u h\u01a1n ba ho\u1eb7c b\u1ed1n c\u1ea5p \u0111\u1ed9 s\u1ebd tr\u1edf n\u00ean kh\u00f3 thao t\u00e1c.<\/li>\n
- T\u00e1ch bi\u1ec7t giao di\u1ec7n:<\/strong>S\u1eed d\u1ee5ng giao di\u1ec7n \u0111\u1ec3 t\u00e1ch bi\u1ec7t c\u00e1c g\u00f3i. C\u00e1c g\u00f3i n\u00ean ph\u1ee5 thu\u1ed9c v\u00e0o tr\u1eebu t\u01b0\u1ee3ng, ch\u1ee9 kh\u00f4ng ph\u1ea3i tri\u1ec3n khai c\u1ee5 th\u1ec3.<\/li>\n
- \u0110\u00e1nh gi\u00e1 \u0111\u1ecbnh k\u1ef3:<\/strong> Xem s\u01a1 \u0111\u1ed3 nh\u01b0 t\u00e0i li\u1ec7u s\u1ed1ng. Xem x\u00e9t ch\u00fang trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra m\u00e3 ngu\u1ed3n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi m\u00e3 th\u1ef1c t\u1ebf.<\/li>\n<\/ul>\n
\u26a0\ufe0f Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/h2>\n
Ngay c\u1ea3 c\u00e1c \u0111\u1ed9i c\u00f3 kinh nghi\u1ec7m c\u0169ng m\u1eafc sai l\u1ea7m khi m\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng. Nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c \u0111\u00e1ng k\u1ec3.<\/p>\n
\n- M\u00f4 h\u00ecnh h\u00f3a qu\u00e1 m\u1ee9c:<\/strong>T\u1ea1o s\u01a1 \u0111\u1ed3 qu\u00e1 chi ti\u1ebft c\u00f3 th\u1ec3 t\u1ec7 nh\u01b0 kh\u00f4ng c\u00f3 s\u01a1 \u0111\u1ed3 n\u00e0o c\u1ea3. \u0110\u1eebng ghi ch\u00e9p t\u1eebng ph\u01b0\u01a1ng th\u1ee9c ri\u00eang l\u1ebb n\u1ebfu ki\u1ebfn tr\u00fac l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u.<\/li>\n
- B\u1ecf qua s\u1ef1 ph\u00e1t tri\u1ec3n:<\/strong>H\u1ec7 th\u1ed1ng thay \u0111\u1ed5i. M\u1ed9t s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c t\u1ea1o \u1edf \u0111\u1ea7u d\u1ef1 \u00e1n c\u00f3 th\u1ec3 tr\u1edf n\u00ean l\u1ed7i th\u1eddi v\u00e0o cu\u1ed1i d\u1ef1 \u00e1n. H\u00e3y l\u00ean k\u1ebf ho\u1ea1ch cho vi\u1ec7c c\u1eadp nh\u1eadt.<\/li>\n
- Tr\u1ed9n l\u1eabn c\u00e1c m\u1ee9c \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng:<\/strong>\u0110\u1eebng \u0111\u1eb7t l\u1edbp v\u00e0 g\u00f3i trong c\u00f9ng m\u1ed9t g\u00f3c nh\u00ecn tr\u1eeb khi c\u1ea7n thi\u1ebft. Gi\u1eef ri\u00eang bi\u1ec7t c\u00e1c g\u00f3c nh\u00ecn v\u0129 m\u00f4 v\u00e0 vi m\u00f4 \u0111\u1ec3 r\u00f5 r\u00e0ng h\u01a1n.<\/li>\n
- B\u1ecf qua ki\u1ec3m so\u00e1t truy c\u1eadp:<\/strong>Khi m\u00f4 h\u00ecnh h\u00f3a, h\u00e3y xem x\u00e9t m\u1ee9c \u0111\u1ed9 hi\u1ec3n th\u1ecb. C\u00e1c giao di\u1ec7n c\u00f4ng khai c\u1ea7n r\u00f5 r\u00e0ng, trong khi chi ti\u1ebft tri\u1ec3n khai ri\u00eang t\u01b0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u1ea9n trong g\u00f3c nh\u00ecn g\u00f3i.<\/li>\n<\/ul>\n
\ud83d\udcdd T\u00f3m t\u1eaft<\/h2>\n
Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa s\u01a1 \u0111\u1ed3 l\u1edbp UML v\u00e0 s\u01a1 \u0111\u1ed3 g\u00f3i ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 chi ti\u1ebft c\u1ea7n thi\u1ebft. S\u01a1 \u0111\u1ed3 l\u1edbp cung c\u1ea5p \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ea7n thi\u1ebft cho tri\u1ec3n khai v\u00e0 m\u00f4 h\u00ecnh h\u00f3a d\u1eef li\u1ec7u. S\u01a1 \u0111\u1ed3 g\u00f3i cung c\u1ea5p c\u1ea5u tr\u00fac c\u1ea7n thi\u1ebft cho ki\u1ebfn tr\u00fac c\u1ea5p cao v\u00e0 qu\u1ea3n l\u00fd ph\u1ee5 thu\u1ed9c. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 \u0111i\u1ec3m m\u1ea1nh v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a t\u1eebng lo\u1ea1i, b\u1ea1n c\u00f3 th\u1ec3 t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh hi\u1ec7u qu\u1ea3 h\u01a1n. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn m\u00e3 ngu\u1ed3n d\u1ec5 b\u1ea3o tr\u00ec, m\u1edf r\u1ed9ng v\u00e0 hi\u1ec3u h\u01a1n. S\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 g\u00f3i \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ranh gi\u1edbi, v\u00e0 s\u01a1 \u0111\u1ed3 l\u1edbp \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u00e0nh vi b\u00ean trong c\u00e1c ranh gi\u1edbi \u0111\u00f3. C\u00f9ng nhau, ch\u00fang t\u1ea1o n\u00ean b\u1ee9c tranh to\u00e0n di\u1ec7n v\u1ec1 t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"
Ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o m\u00f4 h\u00ecnh h\u00f3a tr\u1ef1c quan \u0111\u1ec3 truy\u1ec1n \u0111\u1ea1t c\u00e1c c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p. Khi t\u1ed5 ch\u1ee9c m\u1ed9t h\u1ec7 th\u1ed1ng, hai c\u00f4ng…<\/p>\n","protected":false},"author":1,"featured_media":1879,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"S\u01a1 \u0111\u1ed3 UML g\u00f3i so v\u1edbi s\u01a1 \u0111\u1ed3 l\u1edbp: H\u01b0\u1edbng d\u1eabn t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng \ud83c\udfd7\ufe0f","_yoast_wpseo_metadesc":"So s\u00e1nh s\u01a1 \u0111\u1ed3 g\u00f3i UML v\u1edbi s\u01a1 \u0111\u1ed3 l\u1edbp \u0111\u1ec3 t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng. H\u1ecdc c\u00e1ch khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng t\u1eebng lo\u1ea1i \u0111\u1ec3 x\u00e2y d\u1ef1ng ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m v\u00e0 m\u00f4 h\u00ecnh h\u00f3a hi\u1ec7u qu\u1ea3.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[79],"tags":[82,93],"class_list":["post-1878","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uml","tag-academic","tag-package-diagram"],"yoast_head":"\n
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H\u1ecdc c\u00e1ch khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng t\u1eebng lo\u1ea1i \u0111\u1ec3 x\u00e2y d\u1ef1ng ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m v\u00e0 m\u00f4 h\u00ecnh h\u00f3a hi\u1ec7u qu\u1ea3.","breadcrumb":{"@id":"https:\/\/www.go-diagram.com\/vi\/uml-package-vs-class-diagrams-system-organization\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.go-diagram.com\/vi\/uml-package-vs-class-diagrams-system-organization\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/www.go-diagram.com\/vi\/uml-package-vs-class-diagrams-system-organization\/#primaryimage","url":"https:\/\/www.go-diagram.com\/vi\/wp-content\/uploads\/sites\/10\/2026\/04\/uml-class-vs-package-diagram-chalkboard-infographic.jpg","contentUrl":"https:\/\/www.go-diagram.com\/vi\/wp-content\/uploads\/sites\/10\/2026\/04\/uml-class-vs-package-diagram-chalkboard-infographic.jpg","width":1664,"height":928},{"@type":"BreadcrumbList","@id":"https:\/\/www.go-diagram.com\/vi\/uml-package-vs-class-diagrams-system-organization\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.go-diagram.com\/vi\/"},{"@type":"ListItem","position":2,"name":"So s\u00e1nh: S\u01a1 \u0111\u1ed3 g\u00f3i UML so v\u1edbi s\u01a1 \u0111\u1ed3 l\u1edbp cho t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng"}]},{"@type":"WebSite","@id":"https:\/\/www.go-diagram.com\/vi\/#website","url":"https:\/\/www.go-diagram.com\/vi\/","name":"Go Diagram Vietnamese - Proven AI Workflows & Modern Tech Methods","description":"","publisher":{"@id":"https:\/\/www.go-diagram.com\/vi\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.go-diagram.com\/vi\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Organization","@id":"https:\/\/www.go-diagram.com\/vi\/#organization","name":"Go Diagram Vietnamese - Proven AI Workflows & Modern Tech Methods","url":"https:\/\/www.go-diagram.com\/vi\/","logo":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/www.go-diagram.com\/vi\/#\/schema\/logo\/image\/","url":"https:\/\/www.go-diagram.com\/vi\/wp-content\/uploads\/sites\/10\/2025\/03\/go-diagram-logo.png","contentUrl":"https:\/\/www.go-diagram.com\/vi\/wp-content\/uploads\/sites\/10\/2025\/03\/go-diagram-logo.png","width":340,"height":62,"caption":"Go Diagram Vietnamese - Proven AI Workflows & Modern Tech Methods"},"image":{"@id":"https:\/\/www.go-diagram.com\/vi\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.go-diagram.com\/vi\/#\/schema\/person\/05a897b07530dd5607bd8a29719b1d6c","name":"vpadmin","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/www.go-diagram.com\/vi\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","caption":"vpadmin"},"sameAs":["https:\/\/www.go-diagram.com"],"url":"https:\/\/www.go-diagram.com\/vi\/author\/vpadmin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.go-diagram.com\/vi\/wp-json\/wp\/v2\/posts\/1878","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.go-diagram.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.go-diagram.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.go-diagram.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.go-diagram.com\/vi\/wp-json\/wp\/v2\/comments?post=1878"}],"version-history":[{"count":0,"href":"https:\/\/www.go-diagram.com\/vi\/wp-json\/wp\/v2\/posts\/1878\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.go-diagram.com\/vi\/wp-json\/wp\/v2\/media\/1879"}],"wp:attachment":[{"href":"https:\/\/www.go-diagram.com\/vi\/wp-json\/wp\/v2\/media?parent=1878"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.go-diagram.com\/vi\/wp-json\/wp\/v2\/categories?post=1878"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.go-diagram.com\/vi\/wp-json\/wp\/v2\/tags?post=1878"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\u0110\u1ed9 chi ti\u1ebft v\u00e0 m\u1ee9c \u0111\u1ed9 c\u1ee5 th\u1ec3<\/h3>\n
S\u01a1 \u0111\u1ed3 l\u1edbp ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c \u0111\u1ed9 chi ti\u1ebft cao. Ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh cho c\u00e1c k\u1ef9 s\u01b0 ph\u1ea7n m\u1ec1m c\u1ea7n hi\u1ec3u r\u00f5 c\u00e1c chi ti\u1ebft tri\u1ec3n khai. Khi t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng b\u1eb1ng s\u01a1 \u0111\u1ed3 l\u1edbp, tr\u1ecdng t\u00e2m l\u00e0:<\/p>\n
- \n
- X\u00e1c \u0111\u1ecbnh giao di\u1ec7n v\u00e0 h\u1ee3p \u0111\u1ed3ng gi\u1eefa c\u00e1c module.<\/li>\n
- X\u00e1c \u0111\u1ecbnh ki\u1ec3u d\u1eef li\u1ec7u v\u00e0 c\u00e1c r\u00e0ng bu\u1ed9c.<\/li>\n
- Tr\u1ef1c quan h\u00f3a c\u00e1c c\u1ea5u tr\u00fac k\u1ebf th\u1eeba v\u00e0 \u0111a h\u00ecnh.<\/li>\n
- X\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft, t\u1ed5ng h\u1ee3p v\u00e0 k\u1ebft h\u1ee3p.<\/li>\n<\/ul>\n
M\u1ee9c \u0111\u1ed9 chi ti\u1ebft n\u00e0y v\u00f4 c\u00f9ng qu\u00fd gi\u00e1 trong giai \u0111o\u1ea1n tri\u1ec3n khai. N\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 b\u1ea3n v\u1ebd r\u00f5 r\u00e0ng \u0111\u1ec3 vi\u1ebft m\u00e3 ngu\u1ed3n. Tuy nhi\u00ean, khi h\u1ec7 th\u1ed1ng tr\u1edf n\u00ean l\u1edbn, m\u1ed9t s\u01a1 \u0111\u1ed3 l\u1edbp duy nh\u1ea5t c\u00f3 th\u1ec3 tr\u1edf n\u00ean qu\u00e1 t\u1ea3i. N\u00f3 th\u01b0\u1eddng kh\u00f4ng cung c\u1ea5p c\u00e1i nh\u00ecn t\u1ed5ng th\u1ec3 v\u1ec1 c\u00e1ch c\u00e1c h\u1ec7 th\u1ed1ng con ch\u00ednh t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau.<\/p>\n
\ud83d\udce6 Hi\u1ec3u v\u1ec1 s\u01a1 \u0111\u1ed3 g\u00f3i UML<\/h2>\n
S\u01a1 \u0111\u1ed3 g\u00f3i cung c\u1ea5p m\u1ed9t g\u00f3c nh\u00ecn kh\u00e1c bi\u1ec7t. N\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ed5 ch\u1ee9c c\u00e1c th\u00e0nh ph\u1ea7n th\u00e0nh c\u00e1c nh\u00f3m ho\u1eb7c g\u00f3i. Trong UML, m\u1ed9t g\u00f3i l\u00e0 c\u01a1 ch\u1ebf \u0111\u1ec3 t\u1ed5 ch\u1ee9c c\u00e1c th\u00e0nh ph\u1ea7n li\u00ean quan. N\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1ed9t kh\u00f4ng gian t\u00ean ho\u1eb7c m\u1ed9t th\u01b0 m\u1ee5c trong h\u1ec7 th\u1ed1ng t\u1eadp tin. M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a s\u01a1 \u0111\u1ed3 g\u00f3i l\u00e0 qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1ch nh\u00f3m c\u00e1c l\u1edbp, giao di\u1ec7n v\u00e0 c\u00e1c g\u00f3i kh\u00e1c li\u00ean quan l\u1ea1i v\u1edbi nhau.<\/p>\n
C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh<\/h3>\n
- \n
- G\u00f3i:<\/strong>C\u00e1c h\u1ed9p ch\u1ee9a ch\u1ee9a m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c th\u00e0nh ph\u1ea7n m\u00f4 h\u00ecnh li\u00ean quan.<\/li>\n
- Ph\u1ee5 thu\u1ed9c:<\/strong>C\u00e1c d\u1ea5u hi\u1ec7u cho th\u1ea5y m\u1ed9t g\u00f3i ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c \u0111\u1ecbnh ngh\u0129a b\u00ean trong g\u00f3i kh\u00e1c.<\/li>\n
- Nh\u1eadp:<\/strong>C\u00e1c c\u01a1 ch\u1ebf \u0111\u1ec3 l\u00e0m cho c\u00e1c th\u00e0nh ph\u1ea7n t\u1eeb m\u1ed9t g\u00f3i tr\u1edf n\u00ean hi\u1ec3n th\u1ecb trong g\u00f3i kh\u00e1c.<\/li>\n
- Giao di\u1ec7n:<\/strong>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c nh\u00f3m l\u1ea1i trong c\u00e1c g\u00f3i \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c h\u1ee3p \u0111\u1ed3ng d\u1ecbch v\u1ee5.<\/li>\n<\/ul>\n
Tr\u1eebu t\u01b0\u1ee3ng v\u00e0 th\u1ee9 b\u1eadc<\/h3>\n
S\u01a1 \u0111\u1ed3 g\u00f3i ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c tr\u1eebu t\u01b0\u1ee3ng cao h\u01a1n. Ch\u00fang \u00edt quan t\u00e2m \u0111\u1ebfn c\u00e1c thu\u1ed9c t\u00ednh ho\u1eb7c ph\u01b0\u01a1ng th\u1ee9c c\u1ee5 th\u1ec3 h\u01a1n l\u00e0 quan t\u00e2m \u0111\u1ebfn c\u00e1c ranh gi\u1edbi c\u1ea5u tr\u00fac c\u1ee7a ph\u1ea7n m\u1ec1m. Khi t\u1ed5 ch\u1ee9c m\u1ed9t h\u1ec7 th\u1ed1ng b\u1eb1ng s\u01a1 \u0111\u1ed3 g\u00f3i, tr\u1ecdng t\u00e2m chuy\u1ec3n sang:<\/p>\n
- \n
- X\u00e1c \u0111\u1ecbnh ki\u1ebfn tr\u00fac c\u1ea5p cao c\u1ee7a \u1ee9ng d\u1ee5ng.<\/li>\n
- T\u00e1ch bi\u1ec7t c\u00e1c v\u1ea5n \u0111\u1ec1 th\u00e0nh c\u00e1c m\u00f4-\u0111un logic.<\/li>\n
- Qu\u1ea3n l\u00fd c\u00e1c ph\u1ee5 thu\u1ed9c gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng ch\u00ednh.<\/li>\n
- Thi\u1ebft l\u1eadp c\u00e1c ranh gi\u1edbi r\u00f5 r\u00e0ng cho vi\u1ec7c s\u1edf h\u1eefu c\u1ee7a \u0111\u1ed9i nh\u00f3m.<\/li>\n<\/ul>\n
G\u00f3c nh\u00ecn n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 v\u00e0 ng\u01b0\u1eddi d\u1eabn \u0111\u1ea7u k\u1ef9 thu\u1eadt. N\u00f3 gi\u00fap h\u1ecd nh\u00ecn th\u1ea5y c\u1ea3 khu r\u1eebng ch\u1ee9 kh\u00f4ng ch\u1ec9 t\u1eebng c\u00e2y. B\u1eb1ng c\u00e1ch nh\u00f3m c\u00e1c l\u1edbp v\u00e0o c\u00e1c g\u00f3i, h\u1ec7 th\u1ed1ng tr\u1edf n\u00ean d\u1ec5 thao t\u00e1c h\u01a1n. N\u00f3 gi\u1ea3m t\u1ea3i nh\u1eadn th\u1ee9c c\u1ea7n thi\u1ebft \u0111\u1ec3 hi\u1ec3u c\u00e1ch c\u00e1c ph\u1ea7n kh\u00e1c nhau trong c\u01a1 s\u1edf m\u00e3 t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau.<\/p>\n
\ud83d\udd0d Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh trong t\u1ea7m nh\u00ecn<\/h2>\n
\u0110\u1ec3 l\u00e0m r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t, ch\u00fang ta c\u00f3 th\u1ec3 so s\u00e1nh hai s\u01a1 \u0111\u1ed3 tr\u00ean nhi\u1ec1u kh\u00eda c\u1ea1nh kh\u00e1c nhau. B\u1ea3ng sau \u0111\u00e2y n\u00eau b\u1eadt nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh v\u1ec1 ph\u1ea1m vi, \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 ch\u1ee9c n\u0103ng.<\/p>\n
\n\n
\n \nT\u00ednh n\u0103ng<\/th>\n S\u01a1 \u0111\u1ed3 l\u1edbp UML<\/th>\n S\u01a1 \u0111\u1ed3 g\u00f3i UML<\/th>\n<\/tr>\n<\/thead>\n \n Tr\u1ecdng t\u00e2m ch\u00ednh<\/strong><\/td>\n C\u00e1c l\u1edbp ri\u00eang l\u1ebb v\u00e0 c\u1ea5u tr\u00fac n\u1ed9i b\u1ed9 c\u1ee7a ch\u00fang<\/td>\n Nh\u00f3m c\u00e1c l\u1edbp v\u00e0 t\u1ed5 ch\u1ee9c c\u1ea5u tr\u00fac<\/td>\n<\/tr>\n \n \u0110\u1ed9 chi ti\u1ebft<\/strong><\/td>\n Cao (Thu\u1ed9c t\u00ednh, Ph\u01b0\u01a1ng th\u1ee9c, Ki\u1ec3u d\u1eef li\u1ec7u)<\/td>\n Th\u1ea5p (C\u00e1c m\u00f4-\u0111un, Kh\u00f4ng gian t\u00ean, Ph\u1ee5 thu\u1ed9c)<\/td>\n<\/tr>\n \n \u0110\u1ed1i t\u01b0\u1ee3ng s\u1eed d\u1ee5ng<\/strong><\/td>\n L\u1eadp tr\u00ecnh vi\u00ean, Ng\u01b0\u1eddi tri\u1ec3n khai<\/td>\n Ki\u1ebfn tr\u00fac s\u01b0, Qu\u1ea3n l\u00fd d\u1ef1 \u00e1n, C\u00e1c b\u00ean li\u00ean quan<\/td>\n<\/tr>\n \n Lo\u1ea1i m\u1ed1i quan h\u1ec7<\/strong><\/td>\n K\u1ebf th\u1eeba, Li\u00ean k\u1ebft, T\u00edch h\u1ee3p<\/td>\n Ph\u1ee5 thu\u1ed9c, Nh\u1eadp, Truy c\u1eadp<\/td>\n<\/tr>\n \n \u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/strong><\/td>\n C\u00f3 th\u1ec3 tr\u1edf n\u00ean l\u1ed9n x\u1ed9n trong c\u00e1c h\u1ec7 th\u1ed1ng l\u1edbn<\/td>\n \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p th\u00f4ng qua vi\u1ec7c nh\u00f3m<\/td>\n<\/tr>\n \n Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong><\/td>\n Thi\u1ebft k\u1ebf c\u01a1 s\u1edf d\u1eef li\u1ec7u, \u0111\u1ecbnh ngh\u0129a h\u1ee3p \u0111\u1ed3ng API<\/td>\n B\u1ed1 c\u1ee5c ph\u1ee5 h\u1ec7 th\u1ed1ng, b\u1ea3n \u0111\u1ed3 ph\u1ee5 thu\u1ed9c module<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \ud83d\udee0\ufe0f Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 l\u1edbp<\/h2>\n
Vi\u1ec7c ch\u1ecdn c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o giai \u0111o\u1ea1n c\u1ee5 th\u1ec3 c\u1ee7a qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n v\u00e0 v\u1ea5n \u0111\u1ec1 c\u1ea7n gi\u1ea3i quy\u1ebft. S\u01a1 \u0111\u1ed3 l\u1edbp hi\u1ec7u qu\u1ea3 nh\u1ea5t khi t\u1eadp trung v\u00e0o logic n\u1ed9i b\u1ed9 c\u1ee7a m\u1ed9t th\u00e0nh ph\u1ea7n.<\/p>\n
1. Giai \u0111o\u1ea1n thi\u1ebft k\u1ebf chi ti\u1ebft<\/h3>\n
Trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf chi ti\u1ebft, ki\u1ebfn tr\u00fac \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh. \u0110\u1ed9i ng\u0169 c\u1ea7n x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c d\u1eef li\u1ec7u n\u00e0o \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef v\u00e0 c\u00e1ch x\u1eed l\u00fd d\u1eef li\u1ec7u \u0111\u00f3. S\u01a1 \u0111\u1ed3 l\u1edbp h\u1ed7 tr\u1ee3 \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch:<\/p>\n
- \n
- X\u00e1c \u0111\u1ecbnh ki\u1ec3u d\u1eef li\u1ec7u cho t\u1eebng bi\u1ebfn.<\/li>\n
- X\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c ch\u1eef k\u00fd c\u1ee7a c\u00e1c ph\u01b0\u01a1ng th\u1ee9c.<\/li>\n
- L\u00e0m r\u00f5 c\u00e1c m\u00f4-\u0111un truy c\u1eadp (public, private, protected).<\/li>\n
- T\u00e0i li\u1ec7u h\u00f3a c\u00e1c quy t\u1eafc kinh doanh \u0111\u01b0\u1ee3c nh\u00fang trong logic.<\/li>\n<\/ul>\n
2. Thi\u1ebft k\u1ebf l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/h3>\n
S\u01a1 \u0111\u1ed3 l\u1edbp th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1nh x\u1ea1 tr\u1ef1c ti\u1ebfp sang l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u. Khi t\u1ed5 ch\u1ee9c l\u01b0u tr\u1eef d\u1eef li\u1ec7u, c\u00e1c m\u1ed1i quan h\u1ec7 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong s\u01a1 \u0111\u1ed3 (m\u1ed9t-m\u1ed9t, m\u1ed9t-nhi\u1ec1u) \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i tr\u1ef1c ti\u1ebfp th\u00e0nh kh\u00f3a ngo\u1ea1i v\u00e0 b\u1ea3ng n\u1ed1i. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o m\u00f4 h\u00ecnh d\u1eef li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi logic \u1ee9ng d\u1ee5ng.<\/p>\n
3. Tr\u1ef1c quan h\u00f3a logic ph\u1ee9c t\u1ea1p<\/h3>\n
N\u1ebfu m\u1ed9t module c\u1ee5 th\u1ec3 ch\u1ee9a c\u00e1c c\u1ea5u tr\u00fac k\u1ebf th\u1eeba ph\u1ee9c t\u1ea1p ho\u1eb7c qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i ph\u1ee9c t\u1ea1p, s\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 c\u1ea7n thi\u1ebft. N\u00f3 gi\u00fap c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n hi\u1ec3u \u0111\u01b0\u1ee3c lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 k\u1ebf th\u1eeba h\u00e0nh vi m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ecdc m\u00e3 ngu\u1ed3n th\u00f4.<\/p>\n
\ud83c\udfdb\ufe0f Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 g\u00f3i<\/h2>\n
S\u01a1 \u0111\u1ed3 g\u00f3i t\u1ecf ra v\u01b0\u1ee3t tr\u1ed9i khi quy m\u00f4 d\u1ef1 \u00e1n khi\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 l\u1edbp ri\u00eang l\u1ebb tr\u1edf n\u00ean b\u1ea5t kh\u1ea3 thi. Ch\u00fang l\u00e0 c\u00f4ng c\u1ee5 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho t\u1ed5 ch\u1ee9c c\u1ea5p cao.<\/p>\n
1. Ki\u1ebfn tr\u00fac Microservices<\/h3>\n
Trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n, vi\u1ec7c x\u00e1c \u0111\u1ecbnh ranh gi\u1edbi gi\u1eefa c\u00e1c d\u1ecbch v\u1ee5 l\u00e0 r\u1ea5t quan tr\u1ecdng. S\u01a1 \u0111\u1ed3 g\u00f3i c\u00f3 th\u1ec3 bi\u1ec3u di\u1ec5n c\u00e1c ranh gi\u1edbi n\u00e0y. M\u1ed7i g\u00f3i c\u00f3 th\u1ec3 t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t d\u1ecbch v\u1ee5 c\u1ee5 th\u1ec3 ho\u1eb7c m\u1ed9t ng\u1eef c\u1ea3nh gi\u1edbi h\u1ea1n. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u00e1c \u0111\u1ed9i hi\u1ec3u \u0111\u01b0\u1ee3c d\u1ecbch v\u1ee5 n\u00e0o s\u1edf h\u1eefu d\u1eef li\u1ec7u n\u00e0o.<\/p>\n
2. H\u1ec7 th\u1ed1ng doanh nghi\u1ec7p quy m\u00f4 l\u1edbn<\/h3>\n
C\u00e1c \u1ee9ng d\u1ee5ng doanh nghi\u1ec7p th\u01b0\u1eddng bao g\u1ed3m h\u00e0ng ng\u00e0n l\u1edbp. Vi\u1ec7c nh\u00f3m c\u00e1c l\u1edbp n\u00e0y th\u00e0nh c\u00e1c g\u00f3i (v\u00ed d\u1ee5 nh\u01b0Core<\/em>, UI<\/em>, Logic Kinh doanh<\/em>, Truy c\u1eadp D\u1eef li\u1ec7u<\/em>) t\u1ea1o ra m\u1ed9t c\u1ea5u tr\u00fac d\u1ec5 qu\u1ea3n l\u00fd. S\u01a1 \u0111\u1ed3 g\u00f3i cho th\u1ea5y c\u00e1ch c\u00e1c l\u1edbp n\u00e0y t\u01b0\u01a1ng t\u00e1c m\u00e0 kh\u00f4ng l\u00e0m cho ng\u01b0\u1eddi xem b\u1ecb cho\u00e1ng ng\u1ee3p b\u1edfi chi ti\u1ebft tri\u1ec3n khai.<\/p>\n
3. \u0110\u01b0a th\u00e0nh vi\u00ean m\u1edbi v\u00e0o d\u1ef1 \u00e1n<\/h3>\n
Khi m\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n m\u1edbi tham gia d\u1ef1 \u00e1n, s\u01a1 \u0111\u1ed3 g\u00f3i cung c\u1ea5p b\u1ea3n \u0111\u1ed3 h\u00e0nh tr\u00ecnh. N\u00f3 cho th\u1ea5y n\u01a1i t\u00ecm ki\u1ebfm m\u00e3 ngu\u1ed3n li\u00ean quan \u0111\u1ebfn c\u00e1c ch\u1ee9c n\u0103ng c\u1ee5 th\u1ec3. N\u00f3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi: ‘Logic x\u1eed l\u00fd thanh to\u00e1n n\u1eb1m \u1edf \u0111\u00e2u?’ m\u00e0 kh\u00f4ng c\u1ea7n h\u1ecd ph\u1ea3i t\u00ecm ki\u1ebfm qua h\u00e0ng tr\u0103m t\u1ec7p l\u1edbp.<\/p>\n
\ud83d\udd17 Qu\u1ea3n l\u00fd ph\u1ee5 thu\u1ed9c v\u00e0 \u0111\u1ed9\u8026 k\u1ebft<\/h2>\n
M\u1ed9t trong nh\u1eefng kh\u00eda c\u1ea1nh quan tr\u1ecdng nh\u1ea5t c\u1ee7a t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng l\u00e0 qu\u1ea3n l\u00fd c\u00e1c ph\u1ee5 thu\u1ed9c. S\u1ef1 li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd gi\u1eefa c\u00e1c module khi\u1ebfn h\u1ec7 th\u1ed1ng tr\u1edf n\u00ean c\u1ee9ng nh\u1eafc v\u00e0 kh\u00f3 b\u1ea3o tr\u00ec. C\u1ea3 hai lo\u1ea1i s\u01a1 \u0111\u1ed3 \u0111\u1ec1u \u0111\u00f3ng vai tr\u00f2 \u1edf \u0111\u00e2y, nh\u01b0ng theo nh\u1eefng c\u00e1ch kh\u00e1c nhau.<\/p>\n
Qu\u1ea3n l\u00fd ph\u1ee5 thu\u1ed9c \u1edf c\u1ea5p \u0111\u1ed9 g\u00f3i<\/h3>\n
S\u01a1 \u0111\u1ed3 g\u00f3i l\u00e0 c\u00f4ng c\u1ee5 ch\u00ednh \u0111\u1ec3 tr\u1ef1c quan h\u00f3a s\u1ef1 li\u00ean k\u1ebft \u1edf c\u1ea5p \u0111\u1ed9 cao. Ch\u00fang cho th\u1ea5y c\u00e1c module n\u00e0o ph\u1ee5 thu\u1ed9c v\u00e0o nhau. N\u1ebfu G\u00f3i A ph\u1ee5 thu\u1ed9c v\u00e0o G\u00f3i B, \u0111i\u1ec1u \u0111\u00f3 ng\u1ee5 \u00fd r\u1eb1ng nh\u1eefng thay \u0111\u1ed5i \u1edf B c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn A. B\u1eb1ng c\u00e1ch xem x\u00e9t s\u01a1 \u0111\u1ed3 g\u00f3i, c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh:<\/p>\n
- \n
- Ph\u1ee5 thu\u1ed9c v\u00f2ng:<\/strong>T\u00ecnh hu\u1ed1ng m\u00e0 A ph\u1ee5 thu\u1ed9c v\u00e0o B, v\u00e0 B ph\u1ee5 thu\u1ed9c v\u00e0o A. \u0110i\u1ec1u n\u00e0y t\u1ea1o th\u00e0nh m\u1ed9t v\u00f2ng l\u1eb7p c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i th\u1eddi gian ch\u1ea1y ho\u1eb7c l\u1ed7i bi\u00ean d\u1ecbch.<\/li>\n
- Li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd:<\/strong>C\u00e1c g\u00f3i ph\u1ee5 thu\u1ed9c qu\u00e1 nhi\u1ec1u v\u00e0o tri\u1ec3n khai n\u1ed9i b\u1ed9 c\u1ee7a c\u00e1c g\u00f3i kh\u00e1c thay v\u00ec giao di\u1ec7n c\u1ee7a ch\u00fang.<\/li>\n
- Vi ph\u1ea1m t\u1ea7ng:<\/strong>T\u00ecnh hu\u1ed1ng m\u00e0 m\u1ed9t g\u00f3i c\u1ea5p th\u1ea5p ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t g\u00f3i c\u1ea5p cao, l\u00e0m ph\u00e1 v\u1ee1 c\u00e1c t\u1ea7ng ki\u1ebfn tr\u00fac.<\/li>\n<\/ul>\n
Qu\u1ea3n l\u00fd ph\u1ee5 thu\u1ed9c \u1edf c\u1ea5p \u0111\u1ed9 l\u1edbp<\/h3>\n
S\u01a1 \u0111\u1ed3 l\u1edbp gi\u00fap qu\u1ea3n l\u00fd s\u1ef1 li\u00ean k\u1ebft b\u00ean trong m\u1ed9t g\u00f3i. Ch\u00fang \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c l\u1edbp trong m\u1ed9t module kh\u00f4ng tr\u1edf n\u00ean qu\u00e1 ph\u1ee5 thu\u1ed9c l\u1eabn nhau. N\u1ebfu L\u1edbp A v\u00e0 L\u1edbp B trong c\u00f9ng m\u1ed9t g\u00f3i c\u00f3 qu\u00e1 nhi\u1ec1u m\u1ed1i li\u00ean h\u1ec7, \u0111i\u1ec1u \u0111\u00f3 ng\u1ee5 \u00fd r\u1eb1ng g\u00f3i c\u00f3 th\u1ec3 \u0111ang th\u1ef1c hi\u1ec7n qu\u00e1 nhi\u1ec1u nhi\u1ec7m v\u1ee5. \u0110i\u1ec1u n\u00e0y b\u00e1o hi\u1ec7u nhu c\u1ea7u ph\u00e2n t\u00e1ch s\u00e2u h\u01a1n.<\/p>\n
\ud83d\udd04 K\u1ebft h\u1ee3p c\u1ea3 hai \u0111\u1ec3 x\u00e2y d\u1ef1ng ki\u1ebfn tr\u00fac hi\u1ec7u qu\u1ea3<\/h2>\n
C\u00e1c chi\u1ebfn l\u01b0\u1ee3c t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng v\u1eefng ch\u1eafc nh\u1ea5t s\u1eed d\u1ee5ng \u0111\u1ed3ng th\u1eddi c\u1ea3 hai lo\u1ea1i s\u01a1 \u0111\u1ed3. Ch\u00fang kh\u00f4ng lo\u1ea1i tr\u1eeb nhau; thay v\u00e0o \u0111\u00f3, ch\u00fang b\u1ed5 sung cho nhau \u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng kh\u00e1c nhau.<\/p>\n
Ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn t\u1eeb tr\u00ean xu\u1ed1ng<\/h3>\n
B\u1eaft \u0111\u1ea7u b\u1eb1ng s\u01a1 \u0111\u1ed3 g\u00f3i \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac v\u0129 m\u00f4. X\u00e1c \u0111\u1ecbnh c\u00e1c h\u1ec7 th\u1ed1ng con ch\u00ednh v\u00e0 ranh gi\u1edbi c\u1ee7a ch\u00fang. \u0110i\u1ec1u n\u00e0y thi\u1ebft l\u1eadp khung x\u01b0\u01a1ng c\u1ee7a h\u1ec7 th\u1ed1ng. Khi c\u00e1c g\u00f3i \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, h\u00e3y s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 l\u1edbp \u0111\u1ec3 l\u00e0m r\u00f5 n\u1ed9i dung c\u1ee7a t\u1eebng g\u00f3i.<\/p>\n
Ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn t\u1eeb d\u01b0\u1edbi l\u00ean<\/h3>\n
Trong m\u1ed9t s\u1ed1 t\u00ecnh hu\u1ed1ng t\u00e1i c\u1ea5u tr\u00fac, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u t\u1eeb m\u00e3 ngu\u1ed3n hi\u1ec7n c\u00f3. Ph\u00e2n t\u00edch c\u00e1c l\u1edbp \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c nh\u00f3m t\u1ef1 nhi\u00ean. Sau \u0111\u00f3, t\u1ea1o c\u00e1c g\u00f3i \u0111\u1ec3 ph\u1ea3n \u00e1nh c\u00e1c nh\u00f3m n\u00e0y. C\u1eadp nh\u1eadt s\u01a1 \u0111\u1ed3 g\u00f3i \u0111\u1ec3 ph\u1ea3n \u00e1nh c\u1ea5u tr\u00fac m\u1edbi.<\/p>\n
T\u00ednh nh\u1ea5t qu\u00e1n trong t\u00e0i li\u1ec7u<\/h3>\n
T\u00ednh nh\u1ea5t qu\u00e1n gi\u1eefa hai quan \u0111i\u1ec3m l\u00e0 r\u1ea5t quan tr\u1ecdng. N\u1ebfu m\u1ed9t l\u1edbp di chuy\u1ec3n t\u1eeb g\u00f3i n\u00e0y sang g\u00f3i kh\u00e1c, s\u01a1 \u0111\u1ed3 g\u00f3i ph\u1ea3i \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt ngay l\u1eadp t\u1ee9c. T\u01b0\u01a1ng t\u1ef1, n\u1ebfu th\u00eam m\u1ed9t ph\u1ee5 thu\u1ed9c m\u1edbi gi\u1eefa c\u00e1c g\u00f3i, s\u01a1 \u0111\u1ed3 l\u1edbp ph\u1ea3i ph\u1ea3n \u00e1nh c\u00e1c t\u01b0\u01a1ng t\u00e1c l\u1edbp n\u1ec1n t\u1ea3ng. Duy tr\u00ec s\u1ef1 \u0111\u1ed3ng b\u1ed9 n\u00e0y ng\u0103n ng\u1eeba n\u1ee3 k\u1ef9 thu\u1eadt v\u00e0 s\u1ef1 suy tho\u00e1i t\u00e0i li\u1ec7u.<\/p>\n
\ud83d\udcc8 C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng<\/h2>\n
\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n v\u1eabn h\u1eefu \u00edch theo th\u1eddi gian, h\u00e3y tu\u00e2n theo c\u00e1c th\u1ef1c h\u00e0nh \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp n\u00e0y.<\/p>\n
- \n
- Gi\u1eef c\u00e1c g\u00f3i nh\u1ecf:<\/strong>M\u1ed9t g\u00f3i n\u00ean c\u00f3 t\u00ednh g\u1eafn k\u1ebft cao. N\u1ebfu m\u1ed9t g\u00f3i ch\u1ee9a c\u00e1c ch\u1ee9c n\u0103ng kh\u00f4ng li\u00ean quan, h\u00e3y chia nh\u1ecf n\u00f3. M\u1ee5c ti\u00eau l\u00e0 g\u1eafn k\u1ebft cao v\u00e0 li\u00ean k\u1ebft th\u1ea5p.<\/li>\n
- Quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean:<\/strong>S\u1eed d\u1ee5ng t\u00ean r\u00f5 r\u00e0ng, m\u00f4 t\u1ea3 cho c\u00e1c g\u00f3i v\u00e0 l\u1edbp. Tr\u00e1nh d\u00f9ng c\u00e1c ch\u1eef vi\u1ebft t\u1eaft kh\u00f4ng ph\u1ea3i l\u00e0 chu\u1ea9n ng\u00e0nh.<\/li>\n
- H\u1ea1n ch\u1ebf \u0111\u1ed9 s\u00e2u:<\/strong>Tr\u00e1nh l\u1ed3ng gh\u00e9p c\u00e1c g\u00f3i qu\u00e1 s\u00e2u. M\u1ed9t c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p s\u00e2u h\u01a1n ba ho\u1eb7c b\u1ed1n c\u1ea5p \u0111\u1ed9 s\u1ebd tr\u1edf n\u00ean kh\u00f3 thao t\u00e1c.<\/li>\n
- T\u00e1ch bi\u1ec7t giao di\u1ec7n:<\/strong>S\u1eed d\u1ee5ng giao di\u1ec7n \u0111\u1ec3 t\u00e1ch bi\u1ec7t c\u00e1c g\u00f3i. C\u00e1c g\u00f3i n\u00ean ph\u1ee5 thu\u1ed9c v\u00e0o tr\u1eebu t\u01b0\u1ee3ng, ch\u1ee9 kh\u00f4ng ph\u1ea3i tri\u1ec3n khai c\u1ee5 th\u1ec3.<\/li>\n
- \u0110\u00e1nh gi\u00e1 \u0111\u1ecbnh k\u1ef3:<\/strong> Xem s\u01a1 \u0111\u1ed3 nh\u01b0 t\u00e0i li\u1ec7u s\u1ed1ng. Xem x\u00e9t ch\u00fang trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra m\u00e3 ngu\u1ed3n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi m\u00e3 th\u1ef1c t\u1ebf.<\/li>\n<\/ul>\n
\u26a0\ufe0f Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/h2>\n
Ngay c\u1ea3 c\u00e1c \u0111\u1ed9i c\u00f3 kinh nghi\u1ec7m c\u0169ng m\u1eafc sai l\u1ea7m khi m\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng. Nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c \u0111\u00e1ng k\u1ec3.<\/p>\n
- \n
- M\u00f4 h\u00ecnh h\u00f3a qu\u00e1 m\u1ee9c:<\/strong>T\u1ea1o s\u01a1 \u0111\u1ed3 qu\u00e1 chi ti\u1ebft c\u00f3 th\u1ec3 t\u1ec7 nh\u01b0 kh\u00f4ng c\u00f3 s\u01a1 \u0111\u1ed3 n\u00e0o c\u1ea3. \u0110\u1eebng ghi ch\u00e9p t\u1eebng ph\u01b0\u01a1ng th\u1ee9c ri\u00eang l\u1ebb n\u1ebfu ki\u1ebfn tr\u00fac l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u.<\/li>\n
- B\u1ecf qua s\u1ef1 ph\u00e1t tri\u1ec3n:<\/strong>H\u1ec7 th\u1ed1ng thay \u0111\u1ed5i. M\u1ed9t s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c t\u1ea1o \u1edf \u0111\u1ea7u d\u1ef1 \u00e1n c\u00f3 th\u1ec3 tr\u1edf n\u00ean l\u1ed7i th\u1eddi v\u00e0o cu\u1ed1i d\u1ef1 \u00e1n. H\u00e3y l\u00ean k\u1ebf ho\u1ea1ch cho vi\u1ec7c c\u1eadp nh\u1eadt.<\/li>\n
- Tr\u1ed9n l\u1eabn c\u00e1c m\u1ee9c \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng:<\/strong>\u0110\u1eebng \u0111\u1eb7t l\u1edbp v\u00e0 g\u00f3i trong c\u00f9ng m\u1ed9t g\u00f3c nh\u00ecn tr\u1eeb khi c\u1ea7n thi\u1ebft. Gi\u1eef ri\u00eang bi\u1ec7t c\u00e1c g\u00f3c nh\u00ecn v\u0129 m\u00f4 v\u00e0 vi m\u00f4 \u0111\u1ec3 r\u00f5 r\u00e0ng h\u01a1n.<\/li>\n
- B\u1ecf qua ki\u1ec3m so\u00e1t truy c\u1eadp:<\/strong>Khi m\u00f4 h\u00ecnh h\u00f3a, h\u00e3y xem x\u00e9t m\u1ee9c \u0111\u1ed9 hi\u1ec3n th\u1ecb. C\u00e1c giao di\u1ec7n c\u00f4ng khai c\u1ea7n r\u00f5 r\u00e0ng, trong khi chi ti\u1ebft tri\u1ec3n khai ri\u00eang t\u01b0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u1ea9n trong g\u00f3c nh\u00ecn g\u00f3i.<\/li>\n<\/ul>\n
\ud83d\udcdd T\u00f3m t\u1eaft<\/h2>\n
Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa s\u01a1 \u0111\u1ed3 l\u1edbp UML v\u00e0 s\u01a1 \u0111\u1ed3 g\u00f3i ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 chi ti\u1ebft c\u1ea7n thi\u1ebft. S\u01a1 \u0111\u1ed3 l\u1edbp cung c\u1ea5p \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ea7n thi\u1ebft cho tri\u1ec3n khai v\u00e0 m\u00f4 h\u00ecnh h\u00f3a d\u1eef li\u1ec7u. S\u01a1 \u0111\u1ed3 g\u00f3i cung c\u1ea5p c\u1ea5u tr\u00fac c\u1ea7n thi\u1ebft cho ki\u1ebfn tr\u00fac c\u1ea5p cao v\u00e0 qu\u1ea3n l\u00fd ph\u1ee5 thu\u1ed9c. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 \u0111i\u1ec3m m\u1ea1nh v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a t\u1eebng lo\u1ea1i, b\u1ea1n c\u00f3 th\u1ec3 t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh hi\u1ec7u qu\u1ea3 h\u01a1n. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn m\u00e3 ngu\u1ed3n d\u1ec5 b\u1ea3o tr\u00ec, m\u1edf r\u1ed9ng v\u00e0 hi\u1ec3u h\u01a1n. S\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 g\u00f3i \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ranh gi\u1edbi, v\u00e0 s\u01a1 \u0111\u1ed3 l\u1edbp \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u00e0nh vi b\u00ean trong c\u00e1c ranh gi\u1edbi \u0111\u00f3. C\u00f9ng nhau, ch\u00fang t\u1ea1o n\u00ean b\u1ee9c tranh to\u00e0n di\u1ec7n v\u1ec1 t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"
Ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o m\u00f4 h\u00ecnh h\u00f3a tr\u1ef1c quan \u0111\u1ec3 truy\u1ec1n \u0111\u1ea1t c\u00e1c c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p. Khi t\u1ed5 ch\u1ee9c m\u1ed9t h\u1ec7 th\u1ed1ng, hai c\u00f4ng…<\/p>\n","protected":false},"author":1,"featured_media":1879,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"S\u01a1 \u0111\u1ed3 UML g\u00f3i so v\u1edbi s\u01a1 \u0111\u1ed3 l\u1edbp: H\u01b0\u1edbng d\u1eabn t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng \ud83c\udfd7\ufe0f","_yoast_wpseo_metadesc":"So s\u00e1nh s\u01a1 \u0111\u1ed3 g\u00f3i UML v\u1edbi s\u01a1 \u0111\u1ed3 l\u1edbp \u0111\u1ec3 t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng. H\u1ecdc c\u00e1ch khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng t\u1eebng lo\u1ea1i \u0111\u1ec3 x\u00e2y d\u1ef1ng ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m v\u00e0 m\u00f4 h\u00ecnh h\u00f3a hi\u1ec7u qu\u1ea3.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[79],"tags":[82,93],"class_list":["post-1878","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uml","tag-academic","tag-package-diagram"],"yoast_head":"\n
S\u01a1 \u0111\u1ed3 UML g\u00f3i so v\u1edbi s\u01a1 \u0111\u1ed3 l\u1edbp: H\u01b0\u1edbng d\u1eabn t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng \ud83c\udfd7\ufe0f<\/title>\n<meta name=\"description\" content=\"So s\u00e1nh s\u01a1 \u0111\u1ed3 g\u00f3i UML v\u1edbi s\u01a1 \u0111\u1ed3 l\u1edbp \u0111\u1ec3 t\u1ed5 ch\u1ee9c h\u1ec7 th\u1ed1ng. 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M\u1ed9t s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c t\u1ea1o \u1edf \u0111\u1ea7u d\u1ef1 \u00e1n c\u00f3 th\u1ec3 tr\u1edf n\u00ean l\u1ed7i th\u1eddi v\u00e0o cu\u1ed1i d\u1ef1 \u00e1n. H\u00e3y l\u00ean k\u1ebf ho\u1ea1ch cho vi\u1ec7c c\u1eadp nh\u1eadt.<\/li>\n
- Quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean:<\/strong>S\u1eed d\u1ee5ng t\u00ean r\u00f5 r\u00e0ng, m\u00f4 t\u1ea3 cho c\u00e1c g\u00f3i v\u00e0 l\u1edbp. Tr\u00e1nh d\u00f9ng c\u00e1c ch\u1eef vi\u1ebft t\u1eaft kh\u00f4ng ph\u1ea3i l\u00e0 chu\u1ea9n ng\u00e0nh.<\/li>\n
- Li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd:<\/strong>C\u00e1c g\u00f3i ph\u1ee5 thu\u1ed9c qu\u00e1 nhi\u1ec1u v\u00e0o tri\u1ec3n khai n\u1ed9i b\u1ed9 c\u1ee7a c\u00e1c g\u00f3i kh\u00e1c thay v\u00ec giao di\u1ec7n c\u1ee7a ch\u00fang.<\/li>\n
- Ph\u1ee5 thu\u1ed9c v\u00f2ng:<\/strong>T\u00ecnh hu\u1ed1ng m\u00e0 A ph\u1ee5 thu\u1ed9c v\u00e0o B, v\u00e0 B ph\u1ee5 thu\u1ed9c v\u00e0o A. \u0110i\u1ec1u n\u00e0y t\u1ea1o th\u00e0nh m\u1ed9t v\u00f2ng l\u1eb7p c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i th\u1eddi gian ch\u1ea1y ho\u1eb7c l\u1ed7i bi\u00ean d\u1ecbch.<\/li>\n
- Ph\u1ee5 thu\u1ed9c:<\/strong>C\u00e1c d\u1ea5u hi\u1ec7u cho th\u1ea5y m\u1ed9t g\u00f3i ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c \u0111\u1ecbnh ngh\u0129a b\u00ean trong g\u00f3i kh\u00e1c.<\/li>\n
- G\u00f3i:<\/strong>C\u00e1c h\u1ed9p ch\u1ee9a ch\u1ee9a m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c th\u00e0nh ph\u1ea7n m\u00f4 h\u00ecnh li\u00ean quan.<\/li>\n