示例#1
0
        //看照片
        public static List <PhotoData> PngToBase64(string photoId)
        {
            try
            {
                string PngFileName = path + "\\" + _importProjectName + "\\Photos\\" + photoId;
                if (!Directory.Exists(PngFileName))
                {
                    Directory.CreateDirectory(PngFileName);
                }


                string[] _photoPathList;
                string[] _photoNameList;
                _photoPathList = Directory.GetFiles(PngFileName);
                _photoNameList = Directory.GetFiles(PngFileName);
                List <PhotoData> AllPhoto = new List <PhotoData>();

                int n = _photoPathList.Length;

                for (int i = 0; i < n; i++)
                {
                    int m = _photoNameList[i].LastIndexOf("\\") + 1;
                    _photoNameList[i] = _photoNameList[i].Substring(m, _photoNameList[i].Length - m);
                }

                for (int i = 0; i < n; i++)
                {
                    Bitmap       bmp = new Bitmap(_photoPathList[i]);
                    MemoryStream ms  = new MemoryStream();
                    bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
                    byte[] arr = new byte[ms.Length];
                    ms.Position = 0;
                    ms.Read(arr, 0, (int)ms.Length);
                    ms.Close();
                    bmp.Dispose();
                    string    base64 = Convert.ToBase64String(arr);
                    PhotoData photo  = new PhotoData();
                    photo.PhotoId     = _photoNameList[i];
                    photo.PhotoString = base64;
                    AllPhoto.Add(photo);
                }
                pngtobase64state = true;
                return(AllPhoto);
            }
            catch (Exception)
            {
                pngtobase64state = false;
                return(null);
            }
        }
示例#2
0
 //照照片
 public static bool Base64ToPng(string Base64Data)
 {
     try
     {
         PhotoData Data        = JsonConvert.DeserializeObject <PhotoData>(Base64Data);
         byte[]    ByteData    = Convert.FromBase64String(Data.PhotoString);
         int       n           = Data.PhotoId.IndexOf("-");
         string    pointId     = Data.PhotoId.Substring(0, n);
         string    PngFileName = path + "\\" + _importProjectName + "\\Photos\\" + pointId;
         if (!Directory.Exists(PngFileName))
         {
             Directory.CreateDirectory(PngFileName);
         }
         MemoryStream ms  = new MemoryStream(ByteData);
         Bitmap       bmp = new Bitmap(ms);
         bmp.Save(PngFileName + "\\" + Data.PhotoId + ".png", ImageFormat.Png);
         return(true);
     }
     catch (Exception)
     {
         return(false);
     }
 }