private static IFeatureClass CreatStnShp(string shp){//打开工作空间IWorkspaceFactory wsfactory = new ShapefileWorkspaceFactoryClass();string ssss = System.IO.Path.GetDirectoryName(shp);IWorkspace workspace = wsfactory.OpenFromFile(ssss, 0);IFeatureWorkspace pFeatWsp = workspace as IFeatureWorkspace;if (File.Exists(shp)){DialogResult dr = MessageBox.Show("文件已经存在,是否使用该文件?", "提示",MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);if ( dr== DialogResult.Yes){return pFeatWsp.OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(shp));}else if(dr==DialogResult.No){//删除已有DialogResult ddr = MessageBox.Show("是否删除并替换已有文件", "提示",MessageBoxButtons.YesNo, MessageBoxIcon.Question);if (ddr == DialogResult.Yes){string dbffile = System.IO.Path.ChangeExtension(shp, ".dbf");string shxfile = System.IO.Path.ChangeExtension(shp, ".shx");string prjfile = System.IO.Path.ChangeExtension(shp, ".prj");File.Delete(shp);if (File.Exists(dbffile))File.Delete(dbffile);if (File.Exists(shxfile))File.Delete(shxfile);if (File.Exists(prjfile))File.Delete(prjfile);}else{MessageBox.Show("请重新选择shapfile文件的路径");}}else{return null;}}IGeometryDefEdit pGeoDef = new GeometryDefClass();pGeoDef.GeometryType_2 = esriGeometryType.esriGeometryPoint;//设置空间参考ISpatialReferenceFactory3 spatialReferenceFactory = new SpatialReferenceEnvironmentClass();ISpatialReference pSr = spatialReferenceFactory.CreateGeographicCoordinateSystem((int)esriSRGeoCSType.esriSRGeoCS_WGS1984);//设置字段IFieldEdit pField;IFieldsEdit pFieldsEdit = new FieldsClass();//设置几何字段pField = new FieldClass();pField.Type_2 = esriFieldType.esriFieldTypeGeometry;pField.GeometryDef_2 = pGeoDef;pField.Name_2 = "Shape";pFieldsEdit.AddField(pField);//产生唯一索引字段pField = new FieldClass();pField.Name_2 = "OBJECTID";pField.Type_2 = esriFieldType.esriFieldTypeOID;pFieldsEdit.AddField(pField);//添加station相关字段//string[] str = new string[]{"NCDCID","WBAN","NAME","COOPID","COUNTRY","STNTYPE"};string[] str = new string[] { "WBAN", "NAME", "LOCATION", "LAT", "LON"};foreach (string stt in str){pField = new FieldClass();pField.Name_2 = stt;pField.AliasName_2 = stt;pField.Type_2 = esriFieldType.esriFieldTypeString;if (stt == "LOCATION")pField.Length_2 = 60;elsepField.Length_2 = 30;pFieldsEdit.AddField(pField);}pField = new FieldClass();pField.Name_2 = "StnHeight";pField.Type_2 = esriFieldType.esriFieldTypeDouble;pFieldsEdit.AddField(pField);pField = new FieldClass();pField.Name_2 = "GndHeight";pField.Type_2 = esriFieldType.esriFieldTypeDouble;pFieldsEdit.AddField(pField);IFeatureClass pfeatcls =pFeatWsp.CreateFeatureClass(System.IO.Path.GetFileNameWithoutExtension(shp), pFieldsEdit as IFields, null, null, esriFeatureType.esriFTSimple, "Shape", "");IGeoDataset pGeoDs = pfeatcls as IGeoDataset;IGeoDatasetSchemaEdit pGeoDSe = pGeoDs as IGeoDatasetSchemaEdit;if (pGeoDSe.CanAlterSpatialReference){pGeoDSe.AlterSpatialReference(pSr);}return pfeatcls;}

IFields pfs = new FieldsClass();IFieldsEdit pFieldsEdit = pfs as IFieldsEdit;IField pFieldd = new FieldClass();IFieldEdit pField = pFieldd as IFieldEdit;