pic to str

public string ImageToBase64String(Image imageData, ImageFormat format)  {  string base64;  MemoryStream memory = new MemoryStream();  imageData.Save(memory, format);  base64 = System.Convert.ToBase64String(memory.ToArray());  memory.Close();  memory = null;  return base64;  }  或  System.IO.MemoryStream m = new System.IO.MemoryStream();  System.Drawing.Bitmap bp = new System.Drawing.Bitmap(@“c:/a.GIF”);  bp.Save(m, System.Drawing.Imaging.ImageFormat.Gif);  byte[]b= m.GetBuffer();  string base64string=Convert.ToBase64String(b);  byte[] bt = Convert.FromBase64String(base64string);  System.IO.MemoryStream stream = new System.IO.MemoryStream(bt);  Bitmap bitmap = new Bitmap(stream);  pictureBox1.Image = bitmap;string s= "";byte[] b = Convert.FromBase64String(s);Response.ClearContent();Response.AddHeader("Content-Type","image/gif");Response.BinaryWrite(b);Response.End();

 

 

 

byte[] b = (byte[])(二进制数据); pic.Image = Image.FromStream(new MemoryStream(b)); picData = b;