遍历文件夹中所有图片

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

	if (handle == -1) cout << "fail..." << endl;
	else
		cout << fileinfo.name << endl;

	while (!_findnext(handle, &fileinfo))
	{
		cout << fileinfo.name << endl;
	}
	_findclose(handle);
	system("pause");
}