c++ GDAL读取shapefile文件

#include 
#include 
using namespace std;

int main()
{
	//支持中文路径
	CPLSetConfigOption("GDAL_FILENAME_IS_UTF8", "NO");
	//支持属相表中文字符
	CPLGetConfigOption("SHAPE_ENCODING", "UTF-8");
	const char * shpFile = "Supermarket.shp";
	GDALAllRegister();
	GDALDataset * ds;
	ds = (GDALDataset *)GDALOpenEx(shpFile, GDAL_OF_VECTOR and GDAL_OF_READONLY,NULL,NULL,NULL);
	if (ds == NULL)
	{
		cout << "打开数据失败！" << endl;
		return 0;
	}
	OGRLayer * lyr = ds->GetLayer(0);
	lyr->ResetReading();
	OGRFeatureDefn * lyrDefn = lyr->GetLayerDefn();
	int fieldCount = lyrDefn->GetFieldCount();
	while (true)
	{
		OGRFeature * feature;
		feature = lyr->GetNextFeature();
		if (feature == NULL)
		{
			cout << "数据读取结束" << endl;
			break;
		}
		for (int i = 0;i < fieldCount;i++)
		{
			OGRFieldDefn * fieldDefn=feature->GetFieldDefnRef(i);
			const char * fieldName= fieldDefn->GetNameRef();
			OGRFieldType fieldType = fieldDefn->GetType();
			switch (fieldType)
			{
			case OFTString:
				printf("%s:%sn", fieldName,feature->GetFieldAsString(i));
				break;
			case OFTReal:
				printf("%s:%0.5fn", fieldName, feature->GetFieldAsDouble(i));
				break;
			default:
				break;
			}
		}
		//输出坐标
		OGRPoint * point = (feature->GetGeometryRef())->toPoint();
		cout << point->getX() << endl;
		cout << point->getY() << endl;
	}
	return 0;
}