注册
登录
| 关键词： nbsp File access include INVALID 方法 HANDLE printf FindFileData hFind |
form:寂寞hacker 个人Blog方法1：#include #include #include void main( void ){ /* Check for existence */ if( (_access( "D:\\a.txt", 0 )) != -1 ) { printf( "File ACCESS.C exists\n" ); /* Check for write permission */ if( (_access( "ACCESS.C", 2 )) != -1 ) printf( "File ACCESS.C has write permission\n" ); }}方法2： if (INVALID_HANDLE_VALUE != CreateFile("D:\\a.txt", GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)){ AfxMessageBox("File ACCESS.C exists\n");}方法3：#define _WIN32_WINNT 0x0400#include #include int main(int argc, char *argv[]){ WIN32_FIND_DATA FindFileData; HANDLE hFind; printf ("Target file is %s.\n", argv[1]); hFind = FindFirstFile(argv[1], &FindFileData); if (hFind == INVALID_HANDLE_VALUE) { printf ("Invalid File Handle. GetLastError reports %d\n", GetLastError ()); return (0); } else { printf ("The first file found is %s\n", FindFileData.cFileName); FindClose(hFind); return (1); }}方法4：if (GetFileAttributes("c:\\1.txt") == -1) MessageBox(0."Invalid File ","hehe",0)else MessageBox(0."The first file found ","haha",0)方法5：if (INVALID_HANDLE_VALUE != CreateFile("D:\\a.txt", 0, 0, NULL, OPEN_EXISTING, 0, NULL)){ AfxMessageBox("File exists\n");} |
|
声明：文章版权归原作者所有 部分文章转自互联网 如有侵权请联系
[邮箱地址] 删除
|
