#include <iostream>
#include <ogrsf_frmts.h>
#include <ctime>
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");
//注册所有驱动
GDALAllRegister();
const char * shppath = "Supermarket.shp";
GDALDataset * ds = (GDALDataset *)GDALOpenEx(shppath, GDAL_OF_VECTOR and GDAL_OF_UPDATE, NULL, NULL, NULL);
if (ds == NULL)
{
cout << "Failed to open shapefile!" << endl;
return 0;
}
OGRLayer * lyr = ds->GetLayer(0);
if (lyr == NULL)
{
cout << "Failed to get shape layer!" << endl;
return 0;
}
OGRFieldDefn * fieldDefn = new OGRFieldDefn("money", OFTInteger);
lyr->CreateField(fieldDefn);
srand((int)time(NULL));
while (true)
{
OGRFeature * feature = lyr->GetNextFeature();
if (feature == NULL)
{
break;
}
int money = rand() % 100;
feature->SetField("money", money);
lyr->SetFeature(feature);
OGRFeature::DestroyFeature(feature);
}
GDALClose(ds);
cout << "finished!" << endl;
return 0;
}