C#格式化文件大小

作者：admin 发布于：2012-9-22 15:16 Saturday 分类：.NET

public string formatSize(long size)
{
    if (size == 0) return "0";
    string[] sizetext = new string[] { " B", " KB", " MB", " GB", " TB", " PB" };
    int i = (int)Math.Floor(Math.Log(size, 1024));
    return Math.Round(size / Math.Pow(1024, i), 2).ToString() + sizetext[i];
}