/// <summary>
/// 图片转base64
/// </summary>
/// <param name="Imagefilename"></param>
/// <returns></returns>
public string ImgToBase64(string Imagefilename)
{
try
{
Bitmap bmp = new Bitmap(Imagefilename);
MemoryStream ms = new MemoryStream();
bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
byte[] arr = new byte[ms.Length];
ms.Position = 0;
ms.Read(arr, 0, (int)ms.Length);
ms.Close();
return Convert.ToBase64String(arr);
}
catch (Exception ex)
{
return null;
}
}
/// <summary>
/// base64转图片
/// </summary>
/// <param name="strbase64"></param>
public Image Base64ToImg(string strbase64)
{
try
{
byte[] bytes = Convert.FromBase64String(strbase64);
MemoryStream memStream = new MemoryStream(bytes);
Image img = Image.FromStream(memStream);
return img;
}
catch (Exception ex)
{
return null;
}
}
C# Base64与图片的相互转换
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转载自blog.csdn.net/DK18397606232/article/details/103983001
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