private IFeatureClass CopyFeatureClassToWorkspace(IMap map, ILayer layer, IWorkspace2 wksDst, bool bLayerSpatial)
{
IFeatureClass pFtClassNew = null;
if (layer is IFeatureLayer)
{
IFeatureLayer featureLayer = layer as IFeatureLayer;
if (featureLayer.FeatureClass == null)
{
return(null);
}
IFeatureClass featureClass = featureLayer.FeatureClass;
//注记图层
//if (featureClass.FeatureType == esriFeatureType.esriFTAnnotation) return null;
//设置空间参考
ISpatialReference spatialRef;
if (bLayerSpatial)
{
IGeoDataset pGeo = (IGeoDataset)featureLayer;
spatialRef = pGeo.SpatialReference;
}
else
{
spatialRef = map.SpatialReference;
}
//打开GDB的WORKSPACE
ClsGDBDataCommon cls = new ClsGDBDataCommon();
//字段拷贝
//创建fields
IFields pFields = ClsGDBDataCommon.CopyFeatureField(featureClass, spatialRef);
if (pFields == null)
{
MessageBox.Show("拷贝图形字段失败！");
return(null);
}
//创建FeatureClass
//创建新的FeatureClass
//注记图层
if (featureClass.FeatureType == esriFeatureType.esriFTAnnotation)
{
pFtClassNew = cls.CreateAnnotationClass(featureClass, layer.Name, wksDst, spatialRef);
}
else
{
pFtClassNew = cls.CreateFeatureClass(wksDst, null, layer.Name, pFields, null, null, null, true, featureClass.FeatureType);
}
if (pFtClassNew == null)
{
MessageBox.Show("创建shp文件失败!");
return(null);
}
//拷贝Feature
if (ClsGDBDataCommon.CopyFeatures(featureLayer, pFtClassNew, false) == false)
{
MessageBox.Show("拷贝失败！");
}
}
return(pFtClassNew);
}
public void ExportDatatoShape()
{
ClsGDBDataCommon comm = new ClsGDBDataCommon();
if (!txtOutData.Text.EndsWith("shp"))
{
//timerShow.Start();
MessageBox.Show("输出文件名不是shp文件!");
return;
}
//
String strFullName = txtOutData.Text;
string strPath = System.IO.Path.GetDirectoryName(strFullName);
string strName = System.IO.Path.GetFileName(strFullName);
//导出数据
IFeatureLayer pFtlayer = (IFeatureLayer)m_pLayer;
IFeatureClass pFtClass = pFtlayer.FeatureClass;
//IFields pFields = pFtClass.Fields;
//设置空间参考
ISpatialReference pSpatialRef;
if (rdoLayer.Checked)
{
IGeoDataset pGeo = (IGeoDataset)pFtlayer;
pSpatialRef = pGeo.SpatialReference;
}
else
{
pSpatialRef = m_pMap.SpatialReference;
}
//创建fields
IFields pFields = ClsGDBDataCommon.CopyFeatureField(pFtClass, pSpatialRef);
if (pFields == null)
{
MessageBox.Show("拷贝图形字段失败！");
return;
}
#region
//IFieldsEdit pFieldsEdit = (IFieldsEdit)pFields;
////设置字段
//IField pField = new FieldClass();
//IFieldEdit pFieldEdit = (IFieldEdit)pField;
//pFieldEdit.Name_2 = "shape";
//pFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
//IGeometryDef pGeoDef = new GeometryDefClass();
//IGeometryDefEdit pGeoDefEdit = (IGeometryDefEdit)pGeoDef;
//pGeoDefEdit.GeometryType_2 = pFtClass.ShapeType;
//pGeoDefEdit.SpatialReference_2 = pSpatialRef;
//pGeoDefEdit.HasM_2 = false;
//pGeoDefEdit.HasZ_2 = false;
//pFieldEdit.GeometryDef_2 = pGeoDef;
//pFieldEdit.IsNullable_2 = true;
//pFieldEdit.Required_2 = true;
//pFieldsEdit.AddField(pField);
//复制pFtClass的字段给fields
//IFieldsEdit pFieldsEdit = (IFieldsEdit)pFields;
//for (int i = 0; i < pFtClass.Fields.FieldCount; i++)
//{
// if (pFtClass.Fields.get_Field(i).Type != esriFieldType.esriFieldTypeGeometry &&
// pFtClass.Fields.get_Field(i).Type != esriFieldType.esriFieldTypeOID)
// {
// IField pfieldcopy = new FieldClass();
// pfieldcopy = pFtClass.Fields.get_Field(i);
// pFieldsEdit.AddField(pfieldcopy);
// }
//}
#endregion
//创建新的FeatureClass
IFeatureClass pFtClassNew = comm.CreateShapefile(strPath, strName, pFields, pSpatialRef);
if (pFtClassNew == null)
{
MessageBox.Show("创建shp文件失败!");
return;
}
bool bSel = false;
if (cmbData.SelectedIndex == 0)
{
bSel = true;
}
if (ClsGDBDataCommon.CopyFeatures(pFtlayer, pFtClassNew, bSel) == false)
{
MessageBox.Show("拷贝失败！");
}
#region 拷贝Feature
////
////////////////////////////////////////////////////////////////////////////
//IDataset dataset = (IDataset)pFtClassNew;
//IWorkspace workspace = dataset.Workspace;
////Cast for an IWorkspaceEdit
//IWorkspaceEdit workspaceEdit = (IWorkspaceEdit)workspace;
//workspaceEdit.StartEditing(true);
//workspaceEdit.StartEditOperation();
//IFeatureBuffer featureBuffer;
//IFeatureCursor featureCursor = null;
//object featureOID;
////////////////////////////////////////////////////////////////////////////
//IFeature pFeature;
//long nCount;
//long nProcess = 0;
//if (cmbData.SelectedIndex == 0)//选中要素
//{
// IFeatureSelection pFtSel = (IFeatureSelection)pFtlayer;
// ISelectionSet pSelSet = pFtSel.SelectionSet;
// nCount = pSelSet.Count;
// if (nCount < 1)
// {
// //timerShow.Start();
// MessageBox.Show("没有选中对象！");
// return;
// }
// ICursor pCursor;
// pSelSet.Search(null, false, out pCursor);
// IFeatureCursor pFtCur = (IFeatureCursor)pCursor;
// pFeature = pFtCur.NextFeature();
// while (pFeature != null)
// {
// //////////////////////////////////////////////////////////////////////////
// featureBuffer = pFtClassNew.CreateFeatureBuffer();
// featureCursor = pFtClassNew.Insert(true);
// featureBuffer.Shape = pFeature.ShapeCopy;
// ClsGDBDataCommon.CopyFeatureFieldValue(pFeature, (IFeature)featureBuffer);
// featureOID = featureCursor.InsertFeature(featureBuffer);
// //featureCursor.Flush();
// nProcess++;
// this.Text = string.Format("共有:{0}条数据，已处理:{1}条", nCount, nProcess);
// pFeature = pFtCur.NextFeature();
// }
//}
//else//全部要素
//{
// ITable pTable = (ITable)m_pLayer;
// nCount = pTable.RowCount(null);
// IFeatureCursor pFtCursor = pFtlayer.Search(null, true);
// if (pFtCursor == null) return;
// pFeature = pFtCursor.NextFeature();
// while (pFeature != null)
// {
// //////////////////////////////////////////////////////////////////////////
// featureBuffer = pFtClassNew.CreateFeatureBuffer();
// featureCursor = pFtClassNew.Insert(true);
// featureBuffer.Shape = pFeature.ShapeCopy;
// ClsGDBDataCommon.CopyFeatureFieldValue(pFeature, (IFeature)featureBuffer);
// featureOID = featureCursor.InsertFeature(featureBuffer);
// nProcess++;
// this.Text = string.Format("共有:{0}条数据，已处理:{1}条", nCount, nProcess);
// pFeature = pFtCursor.NextFeature();
// }
//}
//featureCursor.Flush();
//workspaceEdit.StopEditOperation();
//workspaceEdit.StopEditing(true);
#endregion
//将导出数据添加到地图
IFeatureLayer pOutFL = new FeatureLayerClass();
pOutFL.FeatureClass = pFtClassNew;
pOutFL.Name = pFtClassNew.AliasName;
m_pMap.AddLayer(pOutFL);
this.Close();
}