public static string SaveFileForBase64(string file, string fileName)
{
string result = "";
try
{
string directory = HttpRuntime.AppDomainAppPath.ToString();
string path = "/Upload";
byte[] content = Convert.FromBase64String(file.Substring(file.IndexOf("base64,") + 7));//切除前面那段image标识
string extension = Path.GetExtension(fileName);
CreateCatalog(directory, path);
path = string.Format("{0}/{1}", path, DateTime.Now.ToString("yyyyMMdd"));
CreateCatalog(directory, path);
path = string.Format("{0}/{1}{2}{3}", path, DateTime.Now.ToString("yyyyMMddHHmmssfff"), new Random(GetRandomSeed()).Next(1, 1000), extension);
using (MemoryStream ms = new MemoryStream(content))
{
Bitmap bm = new Bitmap(ms);
bm.Save(directory + path.Replace("/", "\\"));
}
if (File.Exists(directory + path.Replace("/", "\\")))
{
result = path;
}
}
catch (Exception ex)
{
Log4Helper.WriteLog("保存文件失败", ex);
}
return(result);
}