7/30/2019 Truyen file qua mang
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Truyen file qua mang
Bao Cao e Tai TruyenFile Qua Mang
1. Giao thc s dung trong chng trnh
Chng trnh truyen file qua mang nay c viet bang ngon
ng Java, s dung giao thc TCP e truyen file. Giao thcTCP la giao
thc trao oi thong tin co ket noi, trong Java
e cai at giao thc TCP ta dung lp Socket va
ServerSocket. Trong o, lp Socket dung e ket noi mot
may tnh en mot may tnh khac. Lp ServerSocket dung
e tao o cam may Server e cac may tnh khac ket noi
en. Giao thc TCP c xem la giao thc truyen d lieu
co o tin cay va an toan cao, khong mat mat d lieu vaang c s dung
rong rai tren the gii.
2. To chc chng trnh
Chng trnh nay gom 5 lp : Goi.class, MyCell.class,
transferfile.class, Server.class, Client.class. Trong o, lp
Client
va lp transferfile la hai lp thc hien cac nhiem vu chnh
(gi file va nhan file) cua chng trnh . Lp Client la giao
dien chnh cua chng trnh, c cai at may con. Lp
transferfile va lp Server e lang nghe cac ket noi cua
may con en may chu, c cai at ben may chu. Lp
Goi la mot goi d lieu c dung e truyen cac d lieu
t may chu en may con va ngc lai.
3. Cach s dung chng trnh
Ben may Client ta cai at lp Client, ben may Server ta cai
at lp Server. Dch cac lp nay bang trnh dch JDK. Sau
o, ben may Server se bat au lang nghe cac ket noi
t cac may Client, ben may Client se hien ra giao dien va
ngi dung se thao tac theo ch dan cua chng trnh.
Minh hoa bang hnh anh:
Nhom thc hien Nhom 9
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7/30/2019 Truyen file qua mang
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Truyen file qua mang
goc cua may Server bang cach chon mot hoac nhieu file
t bang chon file ben Client va bam vao nut upload, hoac
ta co the click oi vao bang chon file e gi file. Sau o ta
co the download file t th muc goc cua may Server
xuong may Client. Chng trnh nay c thiet ke ch khi
nao ngi dung upload file len may Server th mi co the
download file ve may Client c ,ch can thc hien viec
upload file ben Client mot lan th se download file c.
4. Cac van e a giai quyet c
Chng trnh nay a giai quyet c van e truyen d
lieu qua mang. Chng trnh nay co the upload va download
c cac d lieu co dung lng ln en vai chuc MB ma
khong b mat hoac h hong d lieu. Ben canh o chng
trnh con co cac thong bao cho biet d lieu a ton tai
va yeu cau co chuyen d lieu bang cach ghi e len hay
khong. Tuy nhien, v thi gian co han nen chng trnh cha
c hoan chnh, rat mong y kien ong gop cua thay
co va cac ban e chng trnh c hoan thien hn.
5. Thanh vien thc hien1. Nguyen Trung Ky
2. Nguyen Thanh T
3. Nguyen Th Hoai Thanh
4. Tran c Giang
5. Nguyen Thanh Man
Nhom thc hien Nhom 9
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