1. Gii thiu Dev-C++ (Dev-Cpp, phin bn hin ti l 4.9.9.2) l mt b
cng c pht trin tch hp (IDE Integrated Development Environment) cc
ng dng C/C++ thuc dng m ngun m v c th download link pha di. DevCpp
da trn trnh bin dch m ngun m MinGW (Minimalist GNU* for Windows,
http://www.mingw.org/). MinGW s dng GCC (the GNU g++ compiler
collection) s dng cho c h thng Windows v Linux. Hin nay DevCpp l
cng c pht trin cc ng dng C/C++ c s dng rng ri dy v lp trnh cng nh
pht trin cc ng dng m ngun m. Mc d khng c nhiu tnh nng cao cp nh cc
cng c IDE thng mi khc (Visual Studio ca Microsoft) nhng DevCpp vn l
mt cng c rt thch hp trong mi trng gio dc bc i hc khi dy v hc cc ngn
ng C/C++. L do l Dev-C++ h tr C/C++ chun, m ngun vit trn Dev-C++ c
th bin dch trn cc IDE khc, nhng iu ngc li c th khng ng.
2. Ci t C 2 phin bn ca dev-c++. Bn ci t v bn portable. Bn ci
t:Ti file ci t ti y:Download DevCpp-4.9.9.2_Setup. Bn portable:Phin
bn portable khng cn ci t c th ti v t y:Download
Dev-CppPortable_4.9.9.2.
3. Thao tc vi Dev-C++3.1 Cu hnh Dev-C++ (Ch thc hin ln u) Chy
file ci t DEV-C++ (file devcpp.exe).Vo menu "Tools" chn "Compiler
Options". Vo tab "Settings" tab, nhn vo "Linker" khung bn tri v
thay i thng s "Generate debugging information" sang "Yes": Nhn
OK
3.2 To chng trnh mi hoc d n mi Cc bc s dng Dev-CPP to ra chng
trnh C/C++ n gin bao gm cc bc chnh nh sau: B1.To file/project
B2.Son tho m ngun B3.Bin dch, sa li (nu c) B4.Chy th v kim tra kt
qu B5.Debug (nu cn)
Bc 1: To file hoc project (d n) mi
a. Trng hp chng trnh n ginTrong trng hp chng trnh n gin, chng ta
ch cn 1 file lu m ngun, khi chng ta chnmenu File | New | Source
File (Ctrl-N). V nhp m ngun trc tip vo file.
b. Trng hp chng trnh phc tpi vi chng trnh C/C++ phc tp, 1 chng
trnh cn nhiu file thc hin th DevCPP c khi nim d n (project).
Project l ni ct gi tt c nhng thng tin lin quan n m ngun, th vin, ti
nguyn, bin dch thnh chng trnh. to Project mi, vo menu "File" chn
"New", "Project...".Chn "Console Application" v chn "C project" nu
l lp trnh C, Chn C++ Projectnu l C++. Nhp tn project, tn project
cng l tn ca file thc thi (.exe) s to ra khibin dch.Nhn "OK".
Dev-C++ s hi ni lu tr project. Nhn "OK".
Bc 2: Son tho m ngunNu lbc 1.ath chng ta bt tay ngay vo vic nhp
m ngun chng trnhNu lbc 1.b, chng ta c 2 cch thm m ngun vo d n. Vo
menu "File" chn "New Source File" (CTRL+N). Vo menu "Project" chn
"New File".Dev-c++ s khng hi tn file cho n khi chng ta thc hin:o
Compileo Save the projecto Save the source fileo Exit Dev-C++Bn cng
c th thm file ngun c sn bng 1 trong 2 phng php sau: Vo menu
"Project" chn "Add to Project". Nhn phm phi chut vo project name
khung bn tri v chn "Add to Project".Cc quy tc son tho gn ging vi
chng trnh son tho vn bn chun (Word,). Mt vi tnh nng nh: Undo Redo
Copy Paste Cut Select All Tham kho menu Edit bit chi tit v cc phm
tt trong khi son tho.
Bc 3: Bin dch (Compile)Sau khi nhp file ngun xong, bin dch chng
ta thc hin: Vo menu "Execute" chn "Compile" (CTRL+F9).Thng thng,
khi bin dch ln u s d c li v Syntax. Li Syntax s hin th tab bin dch
pha di mn hnh. bit li xy ra v tr no ca source code, double-click vo
li v contr mn hnh s tr v v tr c li khi bin dch.Hnh di minh ho li
syntax (thiu du ;) khi bin dch.
Trong trng hp bin dch thanh cng, hp thoi thng bo c status l
Done.
Bc 4: Thc thi chng trnh.By gi, bn c th chy chng trnh Vo menu
"Execute" chn "Run".Ch 1: Bc 4 & 5 c th thc hin ng thi bng menu
Execute, chn Compile & Run (F9).Ch 2: Mn hnh kt qu khng xut
hin: Nu khi chy chng trnh, bn thy mn hnh console DOS mu en xut hin,
chp sng 1 hoc vi ln v tr li mn hnh son tho th tc l chng trnh ca bn
chy xong. iu ny c ngha l chng trnh thc thi xong v t ng ca s console
sau khi chng trnh thot. gii quyt trng hp ny chng ta c th s dng lnh
getch(); tm dng mn hnh, v c th quan st kt qu chng trnh. Ta thm on
code trn trc du } ng hm main, v lnh s dng c ta thm th vin:#include
u chng trnh.
Bc 5: Debug.Trong trng hp chng trnh chy khng nh ca bn, s dng cng
c debugger xc nh c th. Chc nng debug c bn c ti tab debug cui mn
hnh. Nhiu chc nng khc nhau c ti menu debug. Mt vi tnh nng chnh ca
debug nh: Chy ti con tr mn hnh (Run to cursor ) Thm ca s theo
diTheo di gi tr ca bin,
4. Chng trnh Hello World kim tra hot ng ca Dev-Cpp, sau y l chng
trnh in ra mn hnh ch Hello World s dng ngn ng C hoc C++. Bn hy thc
hin theo cc bc trn, nhp m ngun v chy th kim tra kt qu.
a) Ngn ng C:/* Chuong trinh C don gian* In ra man hinh dong chu
Hello World* Nhan phim Enter de thoat* luu file voi ten la
hello.c*/# include # include main(){ printf ("Hello World \n");
getch();}
b) Ngn ng C++:/* Chuong trinh C++ don gian* In ra man hinh dong
chu Hello World* Nhan phim Enter de thoat* luu file voi ten la
hello.cpp*/# include int main(){ std::cout
