我希望在for循环中保留变量的三位数。例如。如何在for循环中保留变量的位数
for (int i = 002; i <= 033; i++)
{
string localFilename = @"\\psf\Home\Pictures\Maulavi\" + i + ".jpg";
using (WebClient client = new WebClient())
{
MessageBox.Show(i.ToString());
client.DownloadFile("http://eap.bl.uk/EAPDigitalItems/EAP566/EAP566_1_1_19_2-EAP566_Maulvi_January_1946_v43_no2_" + i + "_L.jpg", localFilename);
}
}
但是我变成是刚刚2
和3
等。我希望它留为002
和003
等我该怎么办呢?
使用strring.format –