【解决办法】参考示例代码:
Workspace workspace = new Workspace();
DatasourceConnectionInfo info = new DatasourceConnectionInfo();
info.setServer("C:\Users\Administrator\Desktop\test1.gdb");
info.setEngineType(EngineType.VECTORFILE);
Datasource datasource = workspace.getDatasources().create(info);
DatasetVectorInfo datasetVectorInfo = new DatasetVectorInfo();
datasetVectorInfo.setName("aaaa");
datasetVectorInfo.setType(DatasetType.REGION);
DatasetVector datasetVector = datasource.getDatasets().create(datasetVectorInfo);
datasetVector.setPrjCoordSys(new PrjCoordSys(4326));
DatasourceConnectionInfo info1 = new DatasourceConnectionInfo();
info1.setServer("F:\数据\数据\gdb\gdbs\全国数据.gdb");
info1.setEngineType(EngineType.VECTORFILE);
info1.setAlias("sdadsads");
Datasource datasource1 = workspace.getDatasources().open(info1);
OverlayAnalystParameter parameter = new OverlayAnalystParameter();
parameter.setTolerance(0.0000000001);
boolean flag = OverlayAnalyst.intersect((DatasetVector) datasource1.getDatasets().get("分省"), (DatasetVector) datasource1.getDatasets().get("NewRegion"),datasetVector,parameter);
System.out.println(flag);