c++打印
打印001 002 003 004
String path1="/Users/anitafang/Downloads/Datasets/400w/testvideo5/001/";
String path2="/Users/anitafang/Downloads/Datasets/Facepp/001/";
char ss[100];
char sp[100];
int cnt=10;
sprintf(ss,"%03d.png",cnt);
sprintf(sp,"000%03d+.pts",cnt);