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							32 lines
						
					
					
						
							882 B
						
					
					
				
			
		
		
		
			
			
			
				
					
				
				
					
				
			
		
		
	
	
							32 lines
						
					
					
						
							882 B
						
					
					
				
								using System;
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								using System.Collections.Generic;
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								using System.IO;
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								using System.Drawing;
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								using System.Linq;
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								using System.Text;
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								using System.Threading.Tasks;
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								namespace ShenTun.IcCard.Common
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								{
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								   public class ImageHelper
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								    {
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								       public static string ToBase64(Bitmap bmp, System.Drawing.Imaging.ImageFormat format)
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								       {
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								           try
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								           {
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								               MemoryStream ms = new MemoryStream();
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								               bmp.Save(ms, format);
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								               byte[] arr = new byte[ms.Length];
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								               ms.Position = 0;
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								               ms.Read(arr, 0, (int)ms.Length);
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								               ms.Close();
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								               String strbaser64 = Convert.ToBase64String(arr);
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								               return strbaser64;
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								           }
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								           catch (Exception ex)
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								           {
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								               throw new Exception("ImgToBase64String 转换失败 Exception:" + ex.Message);
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								           }
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								       }
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								    }
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								}
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