import com.imdroid.beidou_fwd.entity.KingMaData; import com.imdroid.common.util.GsonUtil; import com.imdroid.secapi.dto.GnssCalcData; import com.imdroid.secapi.utils.HexUtil; import java.time.LocalDateTime; import java.util.ArrayList; import java.util.List; public class DataTest { public static void main(String[] args) { List dataList = new ArrayList<>(3); for(int i=0;i<3;i++) { KingMaData data = new KingMaData(); data.setDataTime(LocalDateTime.now().toString()); data.setProjectId("12345"); data.setPointId("2350123"); data.setFlag(1); data.setPhys(new KingMaData.Phys(100.23+i*3, 1234.56+i*2, 555.66+i)); dataList.add(data); } String json = GsonUtil.toJson(dataList); System.out.println(json); } }