//图片转为base64编码的文本
private string ToBase64(Bitmap bmp)
{
try
{
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();
String strbaser64 = Convert.ToBase64String(arr);
return strbaser64;
}
catch (Exception ex)
{
MessageBox.Show("ImgToBase64String 转换失败 Exception:" + ex.Message);
return "";
}
}
//base64编码的文本转为图片
private Bitmap Base64StringToImage(string inputStr)
{
try
{
byte[] arr = Convert.FromBase64String(inputStr);
MemoryStream ms = new MemoryStream(arr);
Bitmap bmp = new Bitmap(ms);
ms.Close();
return bmp;
}
catch (Exception ex)
{
MessageBox.Show("Base64StringToImage 转换失败/nException:" + ex.Message);
return null;
}
}
private string ToBase64(Bitmap bmp)
{
try
{
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();
String strbaser64 = Convert.ToBase64String(arr);
return strbaser64;
}
catch (Exception ex)
{
MessageBox.Show("ImgToBase64String 转换失败 Exception:" + ex.Message);
return "";
}
}
//base64编码的文本转为图片
private Bitmap Base64StringToImage(string inputStr)
{
try
{
byte[] arr = Convert.FromBase64String(inputStr);
MemoryStream ms = new MemoryStream(arr);
Bitmap bmp = new Bitmap(ms);
ms.Close();
return bmp;
}
catch (Exception ex)
{
MessageBox.Show("Base64StringToImage 转换失败/nException:" + ex.Message);
return null;
}
}