遍历文件夹中的所有图片:
必要函数的参考链接:https://www.cnblogs.com/ranjiewen/p/5960976.html
#include<iostream>
#include<io.h> //相关API和结构体在这个库中
using namespace std;
void main()
{
char *filename = "D:/ID_card/*.jpg";
struct _finddata_t fileinfo;
long handle;
handle = _findfirst(filename, &fileinfo); //返回文件句柄<br>
if (handle == -1) cout << "fail..." << endl;
else
cout << fileinfo.name << endl;<br>
while (!_findnext(handle, &fileinfo))
{
cout << fileinfo.name << endl;
}
_findclose(handle);
system("pause");
}