GDAL讀取屬性亂碼的終極解決方案（C#）

OSGeo.GDAL.Gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "YES");

OSGeo.GDAL.Gdal.SetConfigOption("SHAPE_ENCODING", "");

OSGeo.GDAL.Gdal.AllRegister();

OSGeo.OGR.Ogr.RegisterAll();

[DllImport("gdal300.dll", EntryPoint = "OGR_F_GetFieldAsString", CallingConvention = CallingConvention.Cdecl)]

public extern static System.IntPtr OGR_F_GetFieldAsString(HandleRef handle, int index);

[DllImport("gdal300.dll", EntryPoint = "OGR_F_GetFieldAsBinary", CallingConvention = CallingConvention.Cdecl)]

public extern static System.IntPtr OGR_F_GetFieldAsBinary(HandleRef handle, int index, out int byteCount);

string fieldName = pFieldDefn.GetName();

int fieldIndex = pFeatureDefn.GetFieldIndex(fieldName);

//IntPtr pIntPtr = OGR_F_GetFieldAsString(OSGeo.OGR.Feature.getCPtr(pFeature), fieldIndex);

int byteCount =0;

//IntPtr a = count;

IntPtr pIntPtr = OGR_F_GetFieldAsBinary(OSGeo.OGR.Feature.getCPtr(pFeature), fieldIndex, out byteCount);

byte[] byteArray = new byte[byteCount];

Marshal.Copy(pIntPtr,byteArray, 0, byteCount);

Console.WriteLine(byteCount); // Marshal.PtrToStringAnsi(pIntPtr)

// Console.WriteLine(pFeature.GetFieldAsString(i));

string str = System.Text.Encoding.Default.GetString(byteArray);
// UTF8Encoding utf8 = new UTF8Encoding();

// string str = utf8.GetString(byteArray);
Console.WriteLine(str);

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