ShentunApp/Net.Framework/IcCard/ShenTun.IcCard.Common/ImageHelper.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ShenTun.IcCard.Common
{
   public class ImageHelper
    {
       public static string ToBase64(Bitmap bmp, System.Drawing.Imaging.ImageFormat format)
       {
           try
           {
               MemoryStream ms = new MemoryStream();
               bmp.Save(ms, format);
               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)
           {
               throw new Exception("ImgToBase64String 转换失败 Exception:" + ex.Message);
           }
       }
    }
}