Kin trc 3 tng

Ni dungKin trc 3 tngTnh cht kin trc 3 tngV d minh haHi & p

Ni dungKin trc 3 tngTnh cht kin trc 3 tngV d minh haHi & p

Kin trc 1 tng

I/OX l bin cX l nghip vX l trn d liu

Kin trc 3 tngKin trc 3 tng (3-tiers architechture), tn gi khc l kin trc 3 lp, m hnh 3 lp.

Cc thc th phn mm c t chc thnh 3 tng chnh:

Tng giao din (presentation layer).Tng nghip v (business layer).Tng d liu (data layer).

Kin trc 3 tng (cont)Tng giao din

Cc thc th phn mm lm nhim v trnh by, hin th.Tng tc vi ngi s dng.Ngi dngTng giao din

Kin trc 3 tng (cont)Tng nghip v

Cc thc th phn mm thc hin cc chc nng nghip v.Cha cc x l chnh.Ngi dngTng giao dinTng nghip v

Kin trc 3 tng (cont)Tng d liu

Cc thc th phn mm lm nhim v lu tr d liu.Tng tc vi c s d liu.Ngi dngTng giao dinTng nghip vTng d liuC s d liu

Kin trc 3 tng (cont)Kin trc a tng

M rng kin trc 3 tng.Nhiu tng nghip v.Ngi dngTng giao din

Tng d liuC s d liuTng nghip v

Ni dungKin trc 3 tng

Tnh cht kin trc 3 tngV d minh haHi & p

Tnh cht kin trc 3 tngTnh cht

Gim s gn kt gia cc thc th phn mm (decoupling).Presentation LayerBusiness LayerData Layer

Tnh cht kin trc 3 tngTnh cht

Gim s gn kt gia cc thc th phn mm (decoupling).Ti s dng.Presentation LayerBusiness LayerData Layer

Tnh cht kin trc 3 tngTnh cht

Gim s gn kt gia cc thc th phn mm (decoupling).Ti s dng.Chia s trch nhim.Presentation LayerBusiness LayerData LayerClientDatabase ServerApplication ServerData Source

Tnh cht kin trc 3 tng (cont)Ch :

Khng ph thuc phng php lp trnh.Mi nghip v khng nht thit ch c gii quyt bi 3 i tng.Khng l mt kin trc siu vit.

Ni dungKin trc 3 tngTnh cht kin trc 3 tng

V d minh haHi & p

V d minh haCi t:

D liu dng XMLMi trng lp trnh .NET (C#).

Ni dungKin trc 3 tngTnh cht kin trc 3 tngV d minh ha

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