C/C++璇█涓殑main鍑芥暟錛岀粡甯稿甫鏈夊弬鏁癮rgc錛宎rgv錛屽涓嬶細
int main(int argc, char** argv)
int main(int argc, char* argv[])
榪欎袱涓弬鏁扮殑浣滅敤鏄粈涔堝憿錛焌rgc 鏄寚鍛戒護琛岃緭鍏ュ弬鏁扮殑涓暟錛宎rgv瀛樺偍浜嗘墍鏈夌殑鍛戒護琛屽弬鏁般傚亣濡備綘鐨勭▼搴忔槸hello.exe錛屽鏋滃湪鍛戒護琛岃繍琛岃紼嬪簭錛岋紙棣栧厛搴旇鍦ㄥ懡浠よ涓嬬敤 cd 鍛戒護榪涘叆鍒?hello.exe 鏂囦歡鎵鍦ㄧ洰褰曪級 榪愯鍛戒護涓猴細
hello.exe Shiqi Yu
閭d箞錛宎rgc鐨勫兼槸 3錛宎rgv[0]鏄?hello.exe"錛宎rgv[1]鏄?Shiqi"錛宎rgv[2]鏄?Yu"銆?
涓嬮潰鐨勭▼搴忔紨紺篴rgc鍜宎rgv鐨勪嬌鐢細
#include <stdio.h> int main(int argc, char ** argv) { int i; for (i=0; i < argc; i++) printf("Argument %d is %s.\n", i, argv[i]); return 0; }
鍋囧涓婅堪浠g爜緙栬瘧涓篽ello.exe錛岄偅涔堣繍琛?
hello.exe a b c d e
灝嗗緱鍒?
Argument 0 is hello.exe. Argument 1 is a. Argument 2 is b. Argument 3 is c. Argument 4 is d. Argument 5 is e.
榪愯
hello.exe lena.jpg
灝嗗緱鍒?
Argument 0 is hello.exe. Argument 1 is lena.jpg.