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Trng i Hc Bch Khoa H Ni
Vin Cng Ngh Thng Tin & Truyn Thng
------------ ------------
Xy dng H thng chia s Ti liu hc tptheo m hnh phn tn
Ging Vin Hng Dn: Ts. Cao Tun Dng
Nhm 03:Phm Vit H 20070963H Vn Hin 20071071L Th Bch Thun 20073837Nguyn Minh Tuyn 20073251
inh Anh Tun 20073132Lp: CNPM-K52
H Ni, 04-2011
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Chia s Ti liu hc tp phn tn
Mc lc
Mc lc ................................................................................................................................... 2M hnh Thng i p publish/subscribe ................................................................. 51
M hnh ci t JMS API ....................................................................................... 52
I. t vn
1. Gii thiu bi ton
Xy dng H thng chia s ti liu hc tp phn tn. H thng gm
mt trung tm iu khin-Server, v cc ng dng trn my ca Sinh vin-
Client.
Client: ng l ln Server cc th mc, file mun chia s
Client c th xem danh sch cc th mc c chia s, mi th mc
bit c ai ang download, ai ang chia s
Client c th download cc file, th mc m ngi khc chia s trn
server. Khi , client s lin h vi tt c cc client c d liu tng ng
trao i
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Chia s Ti liu hc tp phn tn
Server qun l thng tin cc client, cc file chia s
2. L do chn ti
Khi bn g mt t kha tm kim vo Google, s c rt rt nhiu ktqu tm thy. Vy kt qu no trong s l th m bn cn? Trong hc tp,
c bit bao Ti liu bn mun tham kho. C bit bao kin thc bn mun
tm kim. V cng c khng t Ti liu bn c m mun chia s. Bn gp rc
ri khi khng bit s chn Ti liu no? Vy gii php cho bn l g?
S c ngi cho rng s lp mt din n, hay mng x hi chia s Ti
liu. cng l mt cch hay. Mi ngi, ai cng c th tm kim Ti liumt cch chn lc hn, c hng dn, c chia s.
Ring vi nhm em, chn ti Chia s Ti liu hc tp. Bi ti
ny c ng dng thc t, gii quyt mt vn cng rt thc t: ngi c
Ti liu mun chia s cho ngi khc mt cch thoi mi, ngi tm kim
Ti liu cng nh hng c rng mnh mun tm kim ci g.
ti Chia s Ti liu hc tp c li ch hng ti cng ng, nhng
cng hng ti bn thn mi ngi c Ti liu chia s. Bi l, Ti liu hc
tp l vn rt quan trng. Mi chng ta trong cuc i u khng ngng
hc tp. Mt vn s c nhiu cch gii quyt. Thay v c hng ngn, thm
ch l hng triu kt qu truy vn khi bn dng Google. Nhng n vi ng
dng Chia s Ti liu hc tp, con s c thu ngn li, v nhiu khi, kt
qu m chng ta tm c l duy nht. Khng ch download c Ti liu
cn thit, chng ta c th bit thm c mt s thng tin hu ch do ch
nhn ca Ti liu m t, gip chng ta nh hnh tt hn trong vic xem xt
c nn s dng Ti liu ny hay khng.
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Chia s Ti liu hc tp phn tn
Trc vn thit thc nh vy, nhm 03 chng em quyt nh chn
ti Chia s Ti liu hc tp phn tn.
3. Cng ngh s dng
Nhm s dng cng ngh JMS (c m t chi tit mc di y)
II. Bng t in thut ng v t vit tt
STT T vit tt,
thut ng
M t
1
.
H thng Cc thao tc ca Client v Server, trong sut i vi User
2
.
TT Vit tt ca t Thng tin
3
.
CSDL Vit tt ca t C s D liu
4
.
User Cc thnh vin tham gia vo H thng
5
.
Admin Ngi qun l H thng, c cc quyn thm, sa, xa
thnh vin, qun l thng tin cc thnh vin
6
.
Ngi s dng Ngi dng H thng, bao gm Admin v User
7 Member Ngi s dng H thng nhng ng nhp vo H
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Chia s Ti liu hc tp phn tn
thng thnh cng
III. M t H thng
1. Yu cu chc nng
1.1. ng k thnh vin
- ngha: cung cp chc nng ng k thnh vin H thng
- Quy trnh hot ng:
Ngi s dng in thng tin vo form ng k thnh vin.
H thng tin hnh kim tra thng tin ng k. Nu thng tin hp
l, H thng lu thng tin ng k v thng bo ng k thnh
cng; nu khng thng bo ng k b li
1.2. ng nhp H thng
- ngha: Cho php thnh vin ng k ng nhp vo H thng
- Quy trnh hot ng:
Ngi s dng nhp Account v ting hnh ng nhp vo H
thng
H thng kim tra tnh hp l ca account. Nu account hp l tin
hnh ng nhp, nu khng th t chi vic ng nhp
1.3. Chia s d liu
- ngha: L mt trong hai chc nng quan trng nht ca H thng.
Chc nng ny cho php ngi s dng chia s Ti liu.
- Quy trnh hot ng:
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Chia s Ti liu hc tp phn tn
Ngi s dng la chn ng dn n file cn chia s.
Ngi s dng vit m t ngn gn cho file mun chia s.
Ngi s dng c th hy b chia s file.
Khi 1 file c nh du chia s: Client t ng lu 1 bn sao
ca file cn chia s v gi Thng ip cha thng tin ca file v
Server. Server tin hnh x l (cp cho file 1 ID) v a thng
tin ca file vo CSDL
Khi 1 file b hy chia s: Client t ng xa file trong th mc
lu tr file ca H thng (my ca users) v gi Thng ip hy
b chia s vi file tng ng v Server. Server tin hnh x l v
xa thng tin v file khi CSDL
1.4. Download d liu
- ngha: l mt trong hai chc nng quan trng nht ca H thng.
Chc nng ny gip ngi s dng download file.
- Quy trnh hot ng:
Ngi s dng dng danh sch cc file ang c chia s do
Server cung cp hoc tin hnh tm kim Ti liu mun download.
Ngi s dng tin hnh download.
File download v my s c Client t ng lu trong th
mc c nh. Ngi s dng c th ty chnh th mc c nh ny
theo mun.
1.5. Qun l thng tin
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Chia s Ti liu hc tp phn tn
- Pha client: H thng hin th cho ngi dung thy danh sch nhng
file ang c chia s, mi file s i km nhng thng tin c th: file
do ai chia s, ai ang download file .
- Pha server:
Qun l danh sch thnh vin (client), mi thnh vin u phi c
nhng thng tin: ID, files chia s, file download
Qun l danh sch cc file c chia s, cc file ang c
download, mi file u bao gm cc thng tin: file do ai chia s, ai
ang download
2. Yu cu phi chc nng
2.1. Yu cu v tnh kh chuyn
- Khi mang Phn mm sang ci t mi trng khc (H iu
hnh khc, server khc, phn cng khc), th Phn mm phi c kh
nng thch nghi c vi mi trng , c kh nng ci t c
trn mi trng .
2.2. Tnh trong sut ca H thng
o Trong sut truy cp (che giu s khc bit v cch biu din v
cch truy cp ti nguyn)
o Trong sut v v tr (che giu v tr ca ti nguyn.)
o Trong sut di tr (che giu kh nng chuyn v tr ca ti
nguyn)
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Chia s Ti liu hc tp phn tn
o Trong sut v vic nh v li (che giu vic di chuyn ca ti
nguyn khi ang c s dng)
o Trong sut trong nhn bn (che giu tnh trng s dng bn sao
ca ti nguyn)
o Che giu s chia s ti nguyn tng tranh ()
o Trong sut s c (che giu li H thng nu c)
o Trong sut kh nng gi chuyn ti nguyn (che giu vic di
chuyn ti nguyn t b nh ngoi vo b nh trong v ngc li)
2.3. Yu cu v hiu nng
- Ngi dng khi s dng ng dng thy cc thao tc c thc hin
gn nh ngay lp tc, nu phi ch th khng qu 4s.Thi gian
download th ty thuc kch thc file
2.4. Yu cu v tnh tin cy
- Kh nng xy ra li nh.
- Thi gian phc hi sau li nh
2.5. Yu cu s dng
- Phn mm d s dng, d hiu, d thao tc
- Khng c qu nhiu thao tc khin ngi s dng phi thc hin
2.6. Yu cu chuyn giao
- Khi chuyn giao n ngi s dng, Phn mm c ng gi.
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Chia s Ti liu hc tp phn tn
2.7. Yu cu ci t
- Phn mm c ng gi, ngi s dng khng phi thc hin cc
thao tc qu phc tp.
- Ngi s dng ch vic thc hin ci t Phn mm nh i vi bt k
Phn mm no khc.
2.8. Yu cu ring t
- Mi thng tin v ngi s dng c bo m, v ngi ngoi khng
th c hnh ng g sa i nhng thng tin ny.
- Ngi s dng khng b lm phin bi cc hot ng chia s hay
download Ti liu.
2.9. Yu cu an ton
- H thng m bo rng mi thng tin ca ngi s dng u c an
ton.
- Cc d liu m ngi s dng chia s u khng b xm phm, khng
b mt (tr khi do chnh tay ngi s dng xa Ti liu ).
2.10. Yu cu hp qui tc
- Phn mm c xy dng ng qui tc, t khu c t yu cu, n
khu phn tch thit k H thng, khu ci t, kim th v bo tr.
- Phn mm c xy dng mt cch hp l, khng o code hay Copy
t bt k H thng c sn no.
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Chia s Ti liu hc tp phn tn
3. Giao din v chc nng m t trn giao din
3.1. Giao din pha ngi dng
3.1.1. Giao din ng nhp
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Chia s Ti liu hc tp phn tn
3.1.2. Giao din ng k thnh vin:
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Chia s Ti liu hc tp phn tn
3.1.3. Giao din chia s file
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Chia s Ti liu hc tp phn tn
Giao din chia s file gm nhng thnh phn chnh sau:
- Danh sch cc file c chia s bi ngi s dng: l mt bng
bao gm ID, tn, nh dng, kch thc v s ln c download ca
cc file ang c ngi s dng chia s.
- Danh sch Whos dowloading: khi click vo mt file trong danh
sch cc file ang c chia s, tn ca nhng user ang download
file s hin ln trong khung Whos downloading.
- Button Browse: dng chn ng dn n file mun chia s.
Button Share: Click thc hin chia s file chn.
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Chia s Ti liu hc tp phn tn
- Name, Category, Description: sau khi chn file mun chia s, ngi
dng bt buc phi vit tn ca file vo khung Name, chn danh
mc cho file khung Category v vit m t ngn gn cho file vo
khung Description.
- Label Count pha di danh sch cc file ang c share: th hin
tng s file ang c chia s bi ngi dng.
- Label Count pha di khung Whos downloading: th hin tng s
user ang download file c chn.
- Button Signout: click thc hin ng xut khi h thng.
3.1.4. Giao din download file.
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Chia s Ti liu hc tp phn tn
Giao din download file gm nhng thnh phn chnh sau:
- Danh sch cc file ang c tt c nhng ngi dng khc chia s: l
mt bng gm ID, tn, nh dng, kch thc, s ln c download
v tn user chia s file .
- Danh sch Whos downloading: khi chn mt file trong danh schnhng file ang c chia s trn, tn nhng ngi download file
s hin ln trong khung Whos downloading.
- Name, Description: khi chn mt file trong danh sch cc file ang
c chia s, tn v m t ngn gn ca file s hin ln trong
khung Name v Description.
- Button Download: ngi dng click thc hin vic download file
mnh mun. Khi n Download, h thng s cho ngi dng chn
ng dn lu file.
- Label Count pha di danh sch cc file ang c chia s: th hin
tng s file ang c chia s.
- Label Count pha di khung Whos downloading: th hin tng sngi ang download file c chn.
- Button Signout: click ng xut khi h thng.
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Chia s Ti liu hc tp phn tn
3.2. Giao din pha ngi qun tr h thng
3.2.1. Giao din ng nhp h thng qun tr
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Chia s Ti liu hc tp phn tn
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Chia s Ti liu hc tp phn tn
3.2.2. Giao din qun l thnh vin
Giao din qun l Thnh vin gm nhng thnh phn chnh sau:
- Danh sch cc Thnh vin ca H thng: l mt bng gm Username,
Password, s Ti liu chia s v s Ti liu download.
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Chia s Ti liu hc tp phn tn
- mc count:3, l ni Admin qun l vic thm, sa, xa Thnh vin.
Button New l thm mi thnh vin. Button Delete l xa
Thnh vin. Button Refresh l Refresh. Button Save l ghi li
thng tin mi thao tc.
- Button Signout: click ng xut khi h thng.
3.2.3. Giao din qun l danh mc file
Giao din Qun l danh mc file gm nhng thnh phn chnh sau:
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Chia s Ti liu hc tp phn tn
- Danh sch cc file c trong H thng m c ngi s dng ng
k chia s: l mt bng gm ID, tn Th loi danh mc.
- Category: c cc chc nng thm, sa, xa
- Button New: thm mi file/folder vo Category.
- Button Delete: xa file/folder trong Category
- Button Save: ghi li thao tc va thc hin
- Button Signout: click ng xut khi h thng.
3.2.4. Giao din qun l Download
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Chia s Ti liu hc tp phn tn
Giao din Qun l download file gm nhng thnh phn chnh sau:
- Danh sch cc user ang Download, v danh sch file ang c
ngi dng khc Download: l mt bng gm tn ngi s dng
mun download file, ID ca Ti liu, Tn Ti liu.
- Button Signout: click ng xut khi h thng.
3.2.5. Giao din qun l File
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Chia s Ti liu hc tp phn tn
Giao din Qun l file gm nhng thnh phn chnh sau:
- Danh sch cc file c trong H thng c ng k ln bi ngi
s dng: l mt bng gm ID, tn File, nh dng File, kch thc
File,danh mc cha File, m t File, tn ngi ch ca File v t l
Download.
- Count: 6, l ni Admin c th thm, hay xa cc thng tin v
File. Gm:
o Document Name: tn ca Ti liu
o Document Type: nh dng ca Ti liu (.doc, pdf, txt)
o Danh mc cha Ti liu
o Description: m t cho Ti liu
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Chia s Ti liu hc tp phn tn
- Button New: ngi dng click thc hin vic thm mi Ti liu.
- Button Signout: click ng xut khi h thng.
4. Use case
Actor ca H thng: Admin, User
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Chia s Ti liu hc tp phn tn
4.1. ng k thnh vin
4.1.1. Biu hot ng
4.1.2. Biu giao tip
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Chia s Ti liu hc tp phn tn
4.1.3. M t chi tit
User System
1. Ngi s dng
tin hnh ng k
2. H thng Hin th mc Gii thiu v cc
iu l. Ch khi ngi s dng ng vi cc
iu l ny th mi c tip tc thc hin cng
vic ng k thnh vin
3. Ngi s dng
sau khi chp nhn
iu l, bt u in
thng tin cn thit m
H thng yu cu
4. H thng tin hnh vic kim tra tnh hp l
ca Thng tin m ngi s dng nhp vo
4.1.Nu thng tin ngi s dng nhp
vo khng hp l, H thng s a ra
thng bo ngi s dng bit. ngthi yu cu ngi s dng nhp li thng
tin nhng ni cha hp l.
4.2.Nu thng tin ngi s dng nhp
vo hp l. H thng s a ra thng bo
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Chia s Ti liu hc tp phn tn
Vic ng k thnh cng
5. Khi ngi s dng ng k thnh cng,
H thng cp nht ngi s dng lm thnh
vin mi
4.1.4. Alternative FLow (Lung pht sinh ngoi l)
- Ngi dng nhp k t khng hp l vo trong Form ng k:
o Nhp k t *, ,&,! trong password.
o Nhp hai hoc nhiu hn hai k t @ trong E-mail
o Password nhp vo t hn 6 k t
o B trng, khng nhp vo c k hiu bt buc phi
nhp thng tin (v d: username, pasword).
H thng s nhc nh ngi s dng, v d: in thng tin cn thiuvo, hay username, password cha hp l.
- Lc ng k, ngi s dng chn username tn ti:
H thng s check v nhc nh ngi s dng, ng thi yu cu
ngi s dng chn username khc
4.2. Sa Thng tin thnh vin
4.2.1. Biu hot ng
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Chia s Ti liu hc tp phn tn
4.2.2. Biu giao tip
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Chia s Ti liu hc tp phn tn
4.2.3. M t chi tit
User System
1. Ngi s dng ng
nhp vo H thng, chn
chc nng Sa thng tin
thnh vin
2. H thng hin th Thng tin hin ti
ca ngi s dng (Member) .
3. Member nhp cc
thng tin chnh sa vo
4. H thng tin hnh vic kim tra tnh
hp l ca Thng tin m Member mi
chnh sa
4.1. Nu thng tin m Member nhp vo
khng hp l, H thng s a ra
thng bo li, ng thi yu cu
Member nhp li thng tin nhng
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Chia s Ti liu hc tp phn tn
ni cha hp l.
4.2. Nu thng tin m Member nhp vo
hp l, H thng s tin hnh cp
nht Thng tin m Member mi
chnh sa vo CSDL
4.2.4. Alternative FLow (Lung pht sinh ngoi l)
- Member nhp k t khng hp l:
o Nhp k t *, ,&,! trong password.
o Nhp hai hoc nhiu hn hai k t @ trong E-mail
o Password nhp vo t hn 6 k t
o B trng, khng nhp vo c k hiu bt buc phi
nhp thng tin (v d: pasword).
H thng s nhc nh ngi s dng, v d: in thng tin
cn thiu vo, hay password cha hp l.
- H thng khng cho php Member sa username
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Chia s Ti liu hc tp phn tn
4.3. Chia s Ti liu
4.3.1. Biu hot ng
4.3.2. Biu giao tip
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Chia s Ti liu hc tp phn tn
4.3.3. M t chi tit
User System
1. Ngi s dng
phi ng nhp vo
H thng mi c
quyn chia s Ti
liu. Sau khi ng
nhp thnh cng,
Member chn
File/Folder mun
chia s
2. H thng tin hnh kim tra tnh hp l
ca File/Folder
2.1. Nu File/Folder khng hp l, Hthng a ra thng bo cho Member
bit.
2.2. Nu File/Folder hp l
3. Member vit M
t cho Ti liu m
mnh mun chia s.
Ch rng cng vic
ny l khng bt
4. H thng tin hnh cp nht Thng tin m
Member mi chia s
5. H thng thng bo cho ngi dng bit
rng vic chia s thnh cng
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Chia s Ti liu hc tp phn tn
buc
4.3.4. Alternative FLow (Lung pht sinh ngoi l)
- Member chn Ti liu khng phi l Ti liu hc tp, m l
phim nh, ca nhc, v thm ch c th l nhng tc phm i try
- Folder ban u khi ng k chia s l hp l, nhng sau c
Member thay i ni dung bn trong thnh Ti liu khng hp l
(phim nh, ca nhc)
- Member i ph bng cch vit nhng M t khng ng vi
ni dung m mnh mun chia s (v d: ajshgeh, aghuhag) hoc
vit nhng thng tin rt chung chung (v d: Ti liu ny rt b
ch, Ti liu ny rt hay, mnh rt thch Ti liu ny)
- ang kim tra tnh hp l ca File/Folder m Member mun
chia s th kt ni b ngt.
- File/Folder m Member chia s c tn trng vi tn File/Folder
c trong CSDL ca H thng.
4.4. Xem danh sch chia s
4.4.1. Biu hot ng
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Chia s Ti liu hc tp phn tn
4.4.2. Biu giao tip
4.4.3. M t chi tit
User System
1. iu kin tin
quyt: ngi s dng
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Chia s Ti liu hc tp phn tn
ng nhp thnh
cng vo H thng
2. Ngi s dng
tin hnh vic xemdanh sch chia s
3. H thng hin th danh sch chia s
4.4.4. Alternative FLow (Lung pht sinh ngoi l)
- Tn ti File trong danh sch File chia s m File thc cht
b ngi s dng xa i, hay di chuyn i ni khc
4.5. Tm kim Ti liu
4.5.1. Biu hot ng
4.5.2. Biu giao tip
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Chia s Ti liu hc tp phn tn
4.5.3. M t chi tit
User System
1. iu kin tin
quyt: ngi s dng
ng nhp thnh
cng vo H thng
2. Member tin
hnh vic tm kim
Ti liu: nhp thngtin tm kim
3. H thng tin hnh vic kim tra tnh hp
l ca Thng tin tm kim
3.1. Nu Thng tin tm kim khng hp l,
H thng bo li cho Member
3.2. Nu thng tin tm kim hp l
4. H thng tin hnh vic tm kim Thng
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Chia s Ti liu hc tp phn tn
tin
4.1. Nu khng tm thy Thng tin, H
thng hin th Thng bo khng tm
thy Thng tin cho Member
4.2. Nu tm thy Thng tin, H thng hin
th kt qu tm c cho Member
4.5.4. Alternative FLow (Lung pht sinh ngoi l)
- Member nhp Thng tin tm kim khng hp l (v d: hoctap,eebook)
4.6. Download Ti liu
4.6.1. Biu hot ng
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Chia s Ti liu hc tp phn tn
4.6.2. Biu giao tip
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Chia s Ti liu hc tp phn tn
4.6.3. M t chi tit
User system1. iu kin tin
quyt: ngi s dng
ng nhp thnh
cng vo H thng
2. Member khi
tm kim thnh cng
Ti liu
3. H thng hin th danh sch Ti liu hin
c
4. Member chn Ti
liu cn Download
5. Nu vic Download khng thnh cng,
H thng hin th Thng bo cho Member
rng vic Download tht bi
6. Nu vic Download thnh cng, H thng
hin th Thng bo cho Member bit rng
vic Download thnh cng.
4.6.4. Alternative Flow (Lung pht sinh ngoi l)
- Nu ng dn ca file chia s b thay i hoc b xa, H
thng s a ra thng bo File khng tn ti hay ng dn
khng tn ti
- ang Download d liu v th ng truyn b ngt (c th do
rt mng), sau khi s c ngt c phc hi
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Chia s Ti liu hc tp phn tn
o Kh nng 1: H thng thng bo cho Member c mun
tip tc thc hin cng vic ang dang d hay khng.
o Kh nng 2: Member s phi thc hin vic Download
li t u.
- Vi thao tc Download, iu g s xy ra khi th mc c nh
my Client b xa? Bi l ta bit, H thng thng default mt th
mc c nh, khi Download, cc file d liu s c lu ,
v mi ty chnh sau ny l ngi s dng (di di sang th mc
khc)
- Member 1 mun Download d liu c my ca Member 2,
nhng thi im my ca Member 2 cha bt, hoc Member
2 c s dng my, nhng li khng bt phn mm chia s d liu?
5. Design constraint
- C chn bt cc ngoi l pht sinh v c cc ng x ph hp vi
ngoi l
- C s d liu c thit k m bo hiu nng
- p dng mu kin trc phn tng, tng kh nng ti s dng v gip
vic bo tr nng cp c d dng
- m bo c truyn thng Thng ip bn vng v khng ng b
- Dng MOM
IV. Kin trc H thng
1. S kin trc Logic
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Chia s Ti liu hc tp phn tn
- H thng c xy dng theo mu kin trc phn tng v hng
thnh phn gip d ti s dng
- Application client gi n cc session bean yu cu cc dch v x
l nh ng nhp, ng xut, tm kim
- Cc session bean gi n cc entity bean yu cu cc m hnh d
liu
Cc entity bean c nh x ORM vi c s d liu quan h
2. S kin trc Vt l
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Chia s Ti liu hc tp phn tn
- H thng c trin khai trn nhiu my trong mng cc b
- My trung tm cha Oracle Glassfish Application Server c h tr
EJB, JMS.
- C s d liu MySQL cng c t trn my trung tm
- Cc my client cha cc ng dng chy trn JVM
- Cc client gi n EJB qua giao thc RMI-IIOP
- Cc client giao tip vi nhau qua JMS
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Chia s Ti liu hc tp phn tn
V. M hnh, giao thc v thut ton truyn thng
H thng chia s ti liu phn tn ca chng em p dng 2 m hnh truyn
thng.
- Triu gi phng thc t xa: cc client tng tc vi EJB (trong my
trung tm) qua giao thc RMI-IIOP.
- Trao i thng ip: s dng JMS trao i thng ip gia cc
my client.
1. M hnh triu gi phng thc t xa
1.1. u im
- D lp trnh
1.2. Nhc im
- Hnh thc truyn thng l ng b lm gii hn kh nng m
rng ca h thng, cc my mun gi thng ip t xa phi bit khundng phng thc ca ng dng t xa
2. M hnh trao i thng ip
2.1. u im
- Thng ip c kh nng lu tr, iu hng v bin i
- Truyn thng ip cho php truyn thng phn tn. Mt thnh
phn c th gi mt thng ip cho mt ch (destination), v bn
nhn c th thu c thng ip ny t ch. Tuy nhin, bn gi v
bn nhn khng cn sn sng cng lc truyn thng. Thc t, bn
gi khng cn bit bt k iu g v bn nhn; hay bn nhn khng cn
bit bt k iu g v bn gi. Bn gi v bn nhn ch cn bit khun
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Chia s Ti liu hc tp phn tn
dng thng ip v ch (destination) s dng. Theo kha cnh ny,
truyn thng ip khc vi cc cng ngh khc, nh Remote Method
Invocation (RMI), RMI yu cu ng dng phi bit r cc phng
thc ca ng dng xa.- Cho php truyn thng khng ng b
- Cho php tr hon hoc t timeout, u tin cho cc thng
ip
2.2. Nhc im: lp trnh khng t nhin
3. L do la chn
- Nhm chng em chn phng php trao i bng thng ip linlc gia cc client vi nhau gip cho h thng d dng m rng, da
vo s linh hot ca thng ip
- Ring giao tip gia client v server chng em vn chn cch tip cn
l RMI-IIOP ( chng em dng EJB) bi v u im d lp trnh ca n
4. Thut ton s dng xy dng H thng
Thut ton thc hin Download File
Bc 1: My download gi Thng ip bao gm userID v
documentID ca ngi dng v ti liu tng ng cn download cho my
chia s ti liu , thng qua mt RequestQueue.Truyn thng y l
khng ng b, bn vng.L do:
- Khng ng b: khng bt ngi dng phi i my chia shot ng.
- Bn vng: cho php ngi dng a ra yu cu download m
khng cn phi bn tm xem my chia s c ang hot ng hay
khng.Thng ip yu cu cui cng cng vn s n my chia s.
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Chia s Ti liu hc tp phn tn
- Ghi ch: tuy nhin, nhm chng em cng xem xt gi tr
TimeOut hy thng ip nu khng RequestQueue c th s b qu
ti.
Bc 2: My c chia s gi file c ng gi vo message gi licho my download qua mt FileQueue. Khi nhn c message s c
chuyn thnh file. Tng t nh trn to s thun tin cho ngi dng
cng nh s thch hp vi bi ton chia s ti liu gia cc my trong
tnh trng hot ng bt tt c n l t do, nhm chng em chn cch truyn
thng y l truyn thng khng ng b, bn vng.
ng thi my chia s cng mang userID v documenntID m my
download gi cho n qung b n cc my qua 1 Topic. Thng tin qung
b y ch cho mt my ang hot ng c th bit c tnh hnh
download ca cc my khc. V vy, nhm chng em chn cch truyn
thng y l nht thi v khng ng b.
Bc 3: Khi file c download xong, my chia s li qung b n
tt c cc my cho bit vic download ca my download kt thc.
Nhm chng em chn cch truyn thng nht thi v khng ng b (Tng
t nh trn)
Thut ton x l ng , tng tranh:
trnh khi download, xy ra nhng s c v d nh ngi dng thay
i v tr file, sa fille, xa file v.v Nhm chng em tm n gii php lto bn sao. File c download s c to 1 bn sao trnh vic ngi
trn my chia s lm nh hng n vic download .
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Chia s Ti liu hc tp phn tn
VI. Xy dng H thng
1. Cng ngh s dng
1.1. Truyn Thng ip l g
Truyn Thng ip (messaging) l cch thc giao tip gia cc
thnh phn phn mm hoc cc ng dng. Mt H thng truyn Thng
ip l mt phng tin thng tin ngang hng (peer-to-peer): Mt my
khch c th gi Thng ip i v nhn Thng ip v t bt k my
khch no. Tng my khch kt ni ti mt i l (agent) cung cp cng
c truyn thng to, gi, nhn v c Thng ip.
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Chia s Ti liu hc tp phn tn
Minh ha: H thng truyn Thng ip
Truyn Thng ip cho php truyn thng phn tn. Mt thnh phn c
th gi mt Thng ip cho mt ch (destination), v bn nhn c th thu
c Thng ip ny t ch. Tuy nhin, bn gi v bn nhn khng cn sn
sng cng lc truyn thng. Thc t, bn gi khng cn bit bt k iu g
v bn nhn; hay bn nhn khng cn bit bt k iu g v bn gi. Bn gi
v bn nhn ch cn bit khun dng Thng ip v ch(destination) s
dng. Theo kha cnh ny, truyn Thng ip khc vi cc cng ngh khc,
nh Remote Method Invocation (RMI), RMI yu cu ng dng phi bit r
cc phng thc ca ng dng xa.
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Chia s Ti liu hc tp phn tn
Minh ha: Tnh c kt cht ca RMI
1.2. JMS API
- JMS cho php cc ng dng to, gi, nhn v c cc Thng ip,
JMS API nh ngha mt tp nhng giao din v cc ng ngha lin
quan chung cho php cc chng trnh vit bng Java truyn thng
c vi nhau.
- JMS API ti thiu ha cc khi nim m lp trnh vin phi hc c
th s dng c cc sn phm truyn Thng ip nhng cung cp
tnh nng h tr cc ng dng truyn Thng ip phc tp.
- JMS API cho php truyn thng khng ch lin kt lng lo (loosely
coupled) m cn:
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Chia s Ti liu hc tp phn tn
- Khngngb: nh cung cp JMS c th phn pht Thng ip cho
my khch khi c Thng ip; my khch khng cn yu cu cc
Thng ip mi nhn c chng.
- Tin cy: JMS API c th m bo mt Thng ip c phn pht
mt v ch mt ln.
1.3. Khi no s dng JMS API
Nh cung cp ng dng s chn JMS thay v RPC trong cc trng hp
sau:
- Nh cung cp mun cc thnh phn khng ph thuc vo thng
tin v giao din ca thnh phn khc, do vy cc thnh phn c th
c thay th d dng.
- Nh cung cp mun ng dng c th chy m khng cn mi
thnh phn phi hot ng cng lc.
- M hnh nghip v ng dng cho php mt thnh phn c thgi thng tin ti thnh phn khc v tip tc x l khng cn nhn
phn hi ngay lp tc.
1.4. Kin trc JMS API
- JMS provider: l H thng truyn Thng ip ci t cc giao
din JMS v cung cp cc tnh nng kimsotv quntr.
- JMS clients: l cc chng trnh hoc cc thnh phn tora v
xlcc Thng ip.
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Chia s Ti liu hc tp phn tn
- Cc Thng ip (messages): l cc i tng mang thng tin
trao i gia cc JMS clients.
- Cc i tng c qun tr (administered objects) c cu
hnh t ban u. l cc i tng JMS c to bi qun tr H
thng cho clients s dng. C 2 loi i tng c qun tr l ch
(destinations) v connection factories.
- Native clients: khng s dng JMS API v c chnh sa
tng thch vi JMS
Minh ha: Kin trc JMS
Minh ha 2.1 m t cch m cc b phn tng tc. Cc cng c qun
tr cho php bn kt ni (bind) vi cc ch (destinations) v connection
factories bn trong khng gian tn JNDI (Java Naming and DirectoryInterface) API. Mt JMS client c th tra cu (lookup) cc i tng
qun l trong khng gian tn ri sau thit lp kt ni logic ti cc i
tng ny thng qua JMS provider.
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Chia s Ti liu hc tp phn tn
1.5. M hnh Thng ip
1.5.1. M hnh Thng ip Point-to-Point
Cc ng dng point-to-point xy dng quanh khi nim hng i,ngi gi, v ngi nhn. Tng Thng ip c nh a ch ti 1 hng
i c th v cc khch nhn (receiving clients) ly cc Thng ip t
hng i c to ra gi cc Thng ip ca ring n. Cc hng i s
gi mi Thng ip c gi ti chng ti khi no cc Thng ip c
x l hoc qu hn.
Minh ha 2.2 truyn Thng ip point-to-point
- Mi Thng ip ch c mt ngi nhn.
- Ngi gi v ngi nhn Thng ip khng ph thuc thi
im. Ngi nhn c th ly Thng ip d n c hot ng khi
Thng ip c gi hay khng.
- Ngi nhn xc nhn (ackowledges) x l thnh cng Thng
ip.
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Chia s Ti liu hc tp phn tn
o S dng PTP truyn Thng ip khi mi Thng ip bn gi i
phi c x l thnh cng bi ngi nhn.
M hnh Thng ip publish/subscribe
y, cc clients nh a ch cc Thng ip ti mt topic. H thng
quan tm ti vic phn pht cc Thng ip n t rt nhiu publishers
v subscribers ca mt topic. Cc topics duy tr cc Thng ip ch ti
khi Thng ip ti c vi subscribers.
Truyn Thng ip pub/ sub c nhng c im sau:
- Tng Thng ip c th c nhiu bn nhn.
- Publisher v subscribers c ph thuc vo thi im (timing
dependency). Subscribers ch c th x l cc Thng ip sau khi n
ng k vi topic v subscribers phi tip tc hot ng khi ang x l
Thng ip.
Minh ha: m hnh pub/sub
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Chia s Ti liu hc tp phn tn
M hnh ci t JMS API
Cc thnh phn c bn ca mt ng dng JMS bo gm:
Cc i tng c qun tr: connection factories v cc
ch(destinations)
- Sessions (Cc phin)
- Message producers (gi Thng ip)
- Message consumers(nhn Thng ip)
- Messages (cc Thng ip)
Minh ha: Cc thnh phn trong 1 ng dng JMS
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Chia s Ti liu hc tp phn tn
1.5.2. Administered objects
C 2 b phn ca mt ng dng JMS l cc ch v connection
factories phi lun c duy tr kim sot. Vic qun l nhng i tng
ny thc v nhng tc v qun tr khc nhau thay i t ngi provider
ny ti provider khc.
JMS clients truy cp vo nhng i tng ny thng qua giao din.
Connection factories
- Mt connection factory l mt i tng c client s dng
to mt kt ni ti provider. Mt connectionfactory ng gi mt tp
cc tham s cu hnh kt ni c nh ngha bi tn qun tr. Mi
connection factory l mt th hin ca giao din
QueueConnectionFactory hoc TopicConnectionFactory.
- Bt u ca 1 ng dng JMS client, bn thng tin hnh tm
kim connection factory.
Destination
- Mt ch l mt i tng c client s dng nh ni n ca
Thng ip n to ra v ngun ca cc Thng ip n x l. Vi m
hnh PTP, cc ch c gi l cc hng i cn trong m hnh
pub/sub, cc ch c gi l topics.
- Mt ng dng JMS c th s dng nhiu queues v topics.
V d sau: Cc dng code sau biu din vic tra cu topic c to ra
t trc l MyTopic v gn n cho mt i tng Topic.
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Chia s Ti liu hc tp phn tn
Topic myTopic = (Topic) ctx.lookup("MyTopic");
Dng code sau tra cu mt hng i c tn MyQueue v gn cho i
tng Queue.
Queue myQueue = (Queue) ctx.lookup("MyQueue");
1.5.3. Connection
Mt i tng connection ng gi trong n mt kt ni o ti mt
JMS provider. Mt kt ni c th m t mt socket TCP/IP c m
gia client v mt provider. Bn s dng session to ra mt hocnhiu sessions.
Connections c 2 dng, ci t giao din QueueConnection hoc
TopicConnection. V d khi bn c QueueConnectionFactory hoc
TopicConnectionFactory, bn c th dng n to kt ni:
QueueConnection queueConnection =
queueConnectionFactory.createQueueConnection();
TopicConnection topicConnection =
topicConnectionFactory.createTopicConnection();
Khi ng dng hon thnh, bn cn ng kt ni bn va to.
Khng ng kt ni th s gy lng ph ti nguyn. ng kt ni cng
ng sessions ca n v nhng bn gi v nhn Thng ip trong
sessions
queueConnection.close();
topicConnection.close();
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Chia s Ti liu hc tp phn tn
Trc khi ng dng c th x l Thng ip, bn phi gi phng thc
start.
Nu bn mun tm ngng phn pht Thng ip m khng cn
ng kt ni bn c th gi phng thcstop.
1.5.4. Session
Mt session l mt bi cnh (context) n lung gi v nhn cc
Thng ip. Bn s dng session to: ngi gi Thng ip, ngi
nhn Thng ip, v Thng ip.
Session ging nh connection c 2 dng, ci t giao din
QueueSession hoc TopicSession .
V d: nu bn to ra 1 i tng TopicConnection, hy dng n
to ra TopicSession:
TopicSession topicSession =
topicConnection.createTopicSession(false,
Session.AUTO_ACKNOWLEDGE);
Tng t, bn dng mt QueueConnection to QueueSession
QueueSession queueSession = queueConnection.createQueueSession(true, 0);
1.5.5. Topic Publisher
Mt bn pht Thng ip (message producer) l mt i tng c tora bi session v c dng gi cc Thng ip ti ch. Dng PTP ca
mt bn gi Thng ip ci t giao din QueueSender. Dng pub/sub ci
t giao din TopicPublisher.
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Chia s Ti liu hc tp phn tn
V d: S dng QueueSession to mt bn gi cho hng i
myQueue, v dng TopicSession to ra publisher cho topic myTopic:
QueueSender queueSender = queueSession.createSender(myQueue);
TopicPublisher topicPublisher =
topicSession.createPublisher(myTopic);
Sau khi to ra bn pht Thng ip, bn c th dng n gi cc
Thng ip. Vi QueueSender, dng phng thcsend:
queueSender.send(message);
Vi TopicPublisher, bn dng phng thcpublish:
topicPublisher.publish(message);
1.5.6. Topic Consumer
Mt bn x l thng tin (message consumer) l mt i tng c to
ra bi mt session v c s dng nhn cc Thng ip c gi ti
ch. Mt bn x l Thng ip cho php mt client JMS ng k ch m
n quan tm vi mt JMS provider. JMS provider qun l vic phn phi
Thng ip t ch ti mt bn x l ca ch .
V d:
QueueReceiver queueReceiver =
queueSession.createReceiver(myQueue);
TopicSubscriber topicSubscriber =
topicSession.createSubscriber(myTopic);
Bn x l Thng ip dng PTP ci t giao din QueueReceiver. Dngpub/sub ci t giao din TopicSubscriber.
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Chia s Ti liu hc tp phn tn
Vi c QueueReceiver v TopicSubscriber bn c th dng phng
thc receiver nhn Thng ip mt cch ng b. Bn c th dng
phng thc ny bt c khi no sau khi gi phng thcstart.
queueConnection.start();
Message m = queueReceiver.receive();
topicConnection.start();
Message m = topicSubscriber.receive(1000); //time out after a
second
1.5.7. Messages
Cc Thng ip gm 3 phn
- Tiu
- Thuc tnh (ty chn)
- Thn (ty chn)
a. Tiu
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Minh ha: cch thc ci t cc thnh phn tiu
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Chia s Ti liu hc tp phn tn
b. Ni dung Thng ip
V d to ra Thng ip v giTextMessage ti mt hng i,
bn c th dng:
TextMessage message =
queueSession.createTextMessage();
message.setText(msg_text); // msg_text is a StringqueueSender.send(message);
bn nhn Thng ip s c kiuMessagev phi c p thnh
kiu chnh xc ca n.
Message m = queueReceiver.receive();
if (m instanceof TextMessage) {
TextMessage message = (TextMessage) m;
System.out.println("Reading message: " +
message.getText());
} else {
// Handle error
}
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Chia s Ti liu hc tp phn tn
2. S thit k cc lp
2.1. S thit k lp Entity
Mi lp thc th tng ng vi mi bng trong c s d liu, thc
hin cc truy vn d liu trn cc bng tng ng
2.2. S thit k lp da trn mu thit k FacadeCc lp ny ng vai tr l gi cc lp entity thc hin truy vn c
s d liu phc v cho cc chc nng ca ngi dng v admin
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Chia s Ti liu hc tp phn tn
2.3. S thit k lp Session
Cc lp ny ng gi cc chc nng ca Admin v User, chng c
gi khi ngi s dng thc hin mt chc nng no
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Chia s Ti liu hc tp phn tn
2.4. S thit k lp System
ng dng EJB bao gm hai ng dng client l
BKShareAdmiinControlPanel (cho Admin) v BKShareUserConsole
( cho User).
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Chia s Ti liu hc tp phn tn
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Chia s Ti liu hc tp phn tn
VII. Thit k C s D liu
1. M hnh ha trc quan C s D liu
2. Thit k chi tit C s D liu
2.1. Bng D liu Admin
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Chia s Ti liu hc tp phn tn
TT Tn Kiu D liu M t
1. AdminID Int(11) ID ca admin (kha chnh)
2. AdminName varchar(45) Tn ng nhp ca Amin
3. AdminPassword varchar(45) Mt khu ng nhp ca Admin
2.2. Bng d liu Account
STT Tn Kiu D liu M t
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Chia s Ti liu hc tp phn tn
1.
AccountID Int(11) ID ca Ngi s dng (khachnh)
2
.
UserName varchar(45) Tn ng nhp ca Ngi s dng
3.
Password varchar(45) Mt khu ng nhp ca ngi sdng
4.
NumDocShare Int(10) S lng Ti liu m ngi sdng chia s
5.
NumDocDown Int(10) S lng Ti liu m ngi sdng Download
6.
IsBanned TINYINT(1) Kim tra xem ngi s dng bxa cha
2.3. Bng d liu Category
STT Tn Kiu D liu M t
1.
CategoryID Int(11) ID ca Danh mc (kha chnh)
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Chia s Ti liu hc tp phn tn
2.
CategoryName varchar(45) Tn Danh mc
3.
NumOfDoc Int(10) S lng Ti liu trong Danh mc
2.4. Bng d liu Document
STT Tn Kiu D liu M t
1.
DocumentID Int(11) ID ca Ti liu (kha chnh)
2.
DocName varchar(225) Tn Ti liu
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Chia s Ti liu hc tp phn tn
3.
DocType Varchar (45) nh dng ca Ti liu (pdf, doc)
4.
DocSize Double Kch thc Ti liu
5.
SharerID Int(11) M chia s
6.
CategoryID Int(11) Danh mc cha Ti liu
7.
Location Varchar(500) V tr Share ca Ti liu
8
.
DownloadRate Int(10) S lt Download Ti liu
9.
DocDescription Text M t ca Ti liu
10
.
IsBad Tinyint(1) Xem cht lng Ti liu (ti haykhng)
2.5. Bng d liu Download
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Chia s Ti liu hc tp phn tn
1.1. Yu cu chung
- Giao din y cc thnh phn, ph hp, thn thin.
- Hn ch cc thao tc sai ca ngi s dng
- Chc nng nhp liu yu cu thao tc t, thun tin.
1.2. Kim tra cc thnh phn giao din
Cc thnh phn chnh giao din ngi dng bao gm:
- H thng Menu chnh
- Thanh cng c chnh
- Cc giao din lm vic: Giao din Qun tr, giao din Qun l,
Giao din tm kim, Giao din tra cu
- Logo/hnh n
- Thanh trng thi
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Chia s Ti liu hc tp phn tn
STT TestCase Kt qu mongmun
Kt qu thc t Kt lun
1.
B cc, tng mu ng chun, hp l B cc cn i,mu sc thch hp,ng vi chunTng tc ngimy.
t
2.
Kh nng thay i tngmu
C Khng Thiu
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Chia s Ti liu hc tp phn tn
3.
y cc thnh phngiao din lit k trn
C C t
4.
Thit lp thanh cng c Thun tin chongi s dng,m bo thao tcnhanh v chnh xc
Thun tin chongi s dng,m bo thao tcnhanh v chnhxc
t
5.
B cc cn i C C t
6.
Font ch thng nht C C t
7.
Mu ch d c, khnggy la mt, nhc mt
C C t
1.3. Kim tra giao din lm vic
Cc giao din lm vic gm:
- Giao din Admin:
o Qun l cp nht d liu upload, download
o Qun l cp nht thnh vin H thng
o Qun l nht k s dng
o Qun l sao lu, phc hi CSDL
o ng nhp
- Giao din Client
o ng nhp
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Chia s Ti liu hc tp phn tn
o Chia s d liu
o Tm kim d liu
- Giao din khc
o Ca s hng dn s dng
o Tr gip
Kt qu mong i Kt qu thc t Kt lun
y cc giao din lm vic Yes Thnh cng
t tn ca s, b tr cc phn t trn giaodin hp l
Yes Thnh cng
Phi mu, chn font cho cc nhn, li chthch sng sa
Yes Thnh cng
Biu tng ca s lm vic v mt s ntlnh trn ca s ph hp
Yes Thnh cng
t phm Tab cho cc hp nhp d liu vnt lnh ng Logic
Yes Thnh cng
Hin th kch thc v v tr ca s nhp dliu trn mn hnh thch hp
Yes Thnh cng
Giao din ng nhp hp l Yes Thnh cng
2. Kim th chc nng
2.1. Phn Front-end
2.1.1. Qun l thnh vin
2.1.1.1. ng k
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Chia s Ti liu hc tp phn tn
STT Test Case D liu Test Kt qumong i
Kt quthc t
Ktlun
1.
Ngi dngnhp ngthng tin voForm ng k
Username: shmily
Password: 31415926
Retype Password:31415926
HT thng bovic ng k thnh cng(hoc yu cucheck mail kch hot)
H thngthng boregistered
Thnhcng
2.
Ngi dng
trng username
Username: trng HT hin th
thng bo yucu ngidng nhp vousername
H thng
thng boinvalid
Thng
bo lichac th
3.
Ngi dngnhp vousername tn ti
Username: thuanmap
//username ny tn ti
HT hin ththng bo yucu ngidng nhpusername
khc
Thng boinvalid
Thngbo licharrng.
4.
Ngi dngnhp k tc bit password
Username: thuanmap
Pass: *#00#
HT hin ththng bo yucu ngidng nhpng nhdng capassword
Thng boinvalid
Thngbo lichac th.
5.
Ngi dngnhp ngnh dngcapassword,song
Username: thuanmap
Pass: 123a
HT hin ththng bo yucu ngidng nhpng nhdng ca
Thng boinvalid
Thngbo lichac th.
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Chia s Ti liu hc tp phn tn
password thn 6 k t
password, sk t t nhtphi l 6 k t
2.1.1.2. ng nhp
STT Test Case D liu Test Kt qumong i
Kt quthc t
Ktlun
1.
Kch pchut vo
biu tngca Phnmm trn mnhnh
Giao dinng nhp
vo H thng yu cungi dngnhp tn vmt khung nhp
ng vimong i
Thnhcng
2.
Ngi dngng nhpvo HT ngqui cch(username vpassword hpl), ri nhpchut vo
Username: shmily
Password: 31415926
Ngi dnglogin cvo HT
ng nhpthnh cng
Thnhcng
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Chia s Ti liu hc tp phn tn
button Login
3.
Ngi dngch nhpusername,
khng nhppassword rinhp chutvo nt Login
Username: thuanmap
Password:
HT hin ththng bo li,yu cu ngi
dng nhppassword
Thng boinvalid
Thnhcng
4.
Ngi dngkhng nhpusername, chnhp
password, rinhp chutvo Login
Username:
Password: 31415926
HT hin ththng bo li,yu cu ngidng nhp
username
Thng boinvalid
Thnhcng
5.
Ngi dngkhng nhpusername vpassword, rinhp chutvo Login
HT hin ththng bo li,yu cu ngidng nhpusername vpassword
Thng boinvalid
Thnhcng
6.
Ngi dngc nhp saiusernamehocpassword, rinhp chutvo Login
Username: shmilyH
Password: 314159265
HT hin ththng bo liSai usernamehocpassword, ngh ngidng nhp li
Thng boinvalid
Thnhcng
7.
Ngi dngng nhpvo HT ngqui cch(username vpassword hp
Username: shmily
Password: 31415926
Ngi dnglogin cvo HT
ng mongi
Thnhcng
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Chia s Ti liu hc tp phn tn
phi mn hnh thot
munthot/savekhng
1
4.
Khi H thng
hin th hpthoi xem cmunthot/savekhng
Thot/save
thnh cng
ng nh
mong i
Thnh
cng
2.1.2. Qun l d liu
2.1.2.1. Chia s d liu
2.1.2.2. Download d liu (ch dng mc Kch bn kimth)
STT Test Case D liu Test Kt qumong i
Kt quthc t
Ktlun
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STT Test Case D liu Test Kt qu mongi
Kt quthc t
Ktlun
1.
Ngi sdng chn
File/Folder chia s
Client t nglu 1 bn sao
ca file cnchia s v githng ipcha thng tinca file vServer.
Ch githng ip
ln Server,khng lu libn sao
Thtbi
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Chia s Ti liu hc tp phn tn
1.
Ngi sdngDownload dliu hp l
HT thng boDownloadthnh cng
2.
Ngi sdngDownload dliu, nhngng dnkhng tn ti
HT a rathng bong dnkhng tn ti
3.
Ngi sdng s dng
chc nng tmkim
Search: Lp trnhnhng
HT hin th ktqu tm kim
HT hin thkt qu tm
kim
Thnhcng
2.2. Phn back-end
2.2.1. Qun l thng tin thnh vin
STT Test Case D liu Test Kt qumong i
Kt quthc t
Ktlun
1.
Admin xaTT thnh vin
HT hin ththng boBn c chcchn munxa?
HT hin ththng boBn c chcchn munxa?
Thnhcng
2.
Admin khngvit g rinhp vo mcthm TTthnh vin
HT hin ththng bo yucu Adminnhp y
Thng boInvalid!
Thnhcng
3.
Admin thmthnh vin tn ti
Username: shmily
Password: 31415926
HT hin ththng bokhng ththm thnh
Thng boInvalid!
Thnhcng
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Chia s Ti liu hc tp phn tn
vin
2.2.2. Qun l danh sch File chia s
STT Test Case D liu Test Kt qumong i
Kt quthc t
Ktlun
1
.
Admin xa
TT File chias
HT hin th
thng boBn c chcmun xa?
Chc nng
ny b m i
Tht
bi
2.
Admin khngnhp g rinhp vo mcThm TT Filechia s
HT hin ththng bo yucu Adminnhp y
Chc nng bm i
Thtbi
3. Yu cu phi chc nng
Yu cu chung
- Chy n nh, khng xy ra treo
- Kim tra v cnh bo d liu nhp sai
- C tr gip ngay trn Phn mm
STT Test Case D liu Test Kt qu Kt qu Kt
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Chia s Ti liu hc tp phn tn
mong i thc t lun
1.
Admin angsa TT thnhvin th kt
ni b ngt,sau kt niphc hi
Vic Adminsa TT thnhvin khng
nh hng gn vic HT cngt haykhng, Clientkhng nhnthy s thayi ny
Kt nikhng nnh, nu kt
ni b ngt,li phi ngnhp li tu
Thtbi
2
.
Admin ang
lu thay iTT thnh vinth kt ni bngt
Khi kt ni
phc hi, viclu c tiptc
Kt ni
khng nnh, nu ktni b ngt,li phi ngnhp li tu
Tht
bi
3.
Admin angtin hnh saTT File chias th kt nib ngt
Client khngnhn thy sthay i ny(do File thayi cha cSave)
Kt nikhng nnh, nu ktni b ngt,li phi ngnhp li tu
Thtbi
IX. Kt lun v Hng pht trin
1. Nhn xt
H thng chia s ti liu hc tp phn tn ca nhm hon thnh
c mt s chc nng c bn: ng k thnh vin, kim tra tnh hp l ca
vic ng nhp, ng k chia s File vi Server
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Chia s Ti liu hc tp phn tn
Tuy nhin, nhm cng cha hon thin c ht cc chc nng. Chc
nng Download vn ang gp trc trc. Tt nhin, nhm s hon thin trong
thi gian sm nht.
Vic bt s kin vi Enter cho vic ng k hay ng nhp cng cha
thnh cng. Hay vic cha x l c vi tnh hung khi kt ni b ngt
lm gim hiu nng ca H thng.
Vi vic thit k cc trng hp kim th song song vi qu trnh xy
dng H thng. Mc d nh hnh c cc li, hay cc tht bi c th
xy ra. Song, do thi gian c hn, nhm vn cha th sa c cc li, hay
ti u c cc chc nng.
Tt nhin mt vn cn phi bn ti, l H thng mi nhn dng
c nh dng ca File (pdf, doc hay ppt), nhng li cha c c ch kim
sot c cc File . H thng cha c c ch bo v trc cc File c
ni dung xu, hay cha cc thng tin khng lnh mnh.
2. Hng pht trin
- Cho php ngi s dng chia s mi loi File, ch khng ring g ti
liu hc tp.
- Tm c c ch gip H thng t bo v trc cc File c ni dung
xu, khng lnh mnh.
- Xy dng H thng theo kiu Peer-to-Peer
3. ng gp ca tng thnh vin vo Bi tp ln
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Chia s Ti liu hc tp phn tn
Nhm em thng hp nhm lm chung.
- Code: c nhm cng lm, trong H code chnh
- Lm prototype: Tuyn, H
- Phn tch yu cu: c nhm
- Biu hot ng, usecase, biu giao tip: Thun, Hin, H
- Qun l bo co: Thun
- Lm video: Tuyn
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Chia s Ti liu hc tp phn tn
TI LIU THAM KHO
- Slide bi ging Pht trin Phn mm Phn tn V Th Hng Giang.
- Pht trin H thng hng i tng vi UML 2.0 v C++ - Nguyn Vn
Ba
- Slide bi ging m bo cht lng Phn mm Thc Bnh Cng
- Tng tc Ngi my Lng Mnh B
- Phn Help ca NetBean 6.9.1
- Hng dn dng Glassfish
- MacGraw Hill - JavaServer Faces 2.0_ The Complete Reference_ Feb 2010