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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                # 類庫 ``` //圖片轉為base64編碼的字符串 public static string BitMapToBase64String(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(); return Convert.ToBase64String(arr); } catch (Exception ex) { return null; } } ``` # 用法 ``` string b64= QRCode.GenerateBase64(@"\images\cross.png", "http://www.baidu.com"); Response.Write("<img src='data:image/png;base64," + b64+"'>");//data:image/jpeg;base64,base64編碼的jpeg圖片數據 ```
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                              哎呀哎呀视频在线观看