C#+ArcEngine 不同格式数据打开，对象创建，导入导出

一：打开类

1. public class clsOpenClass
2. {
3. public static void OpenFeatureClass(AxMapControl MapControl,
4. IFeatureClassName pFcName, ListView listview1)
5. {
6. try
7. {
8. MapControl.Map.ClearLayers();
9. MapControl.SpatialReference = null;
10. IName pName = pFcName as IName;
11. IFeatureClass pFc = pName.Open() as IFeatureClass;
13. listview1.Items.Clear();
14. listview1.Columns.Clear();
15. LoadListView(pFc, listview1);
17. IFeatureCursor pCursor = pFc.Search(null, false);
18. IFeature pfea = pCursor.NextFeature();
19. int j = 0;
20. while (pfea != null)
21. {
22. ListViewItem lv = new ListViewItem();
24. for (int i = 0; i < pfea.Fields.FieldCount; i++)
25. {
26. string sFieldName = pfea.Fields.get_Field(i).Name;
27. lv.SubItems.Add(FeatureHelper.GetFeatureValue(pfea, sFieldName).ToString());
28. }
30. lv.Tag = pfea;
31. if (j % 2 == 0)
32. {
33. lv.BackColor = System.Drawing.Color.GreenYellow;
34. }
35. listview1.Items.Add(lv);
36. pfea = pCursor.NextFeature();
37. j++;
38. }
39. LSGISHelper.OtherHelper.ReleaseObject(pCursor);
40. //最后加载图形数据
43. if (pFcName.FeatureType == esriFeatureType.esriFTRasterCatalogItem)
44. {
45. ESRI.ArcGIS.Carto.IGdbRasterCatalogLayer pGdbRCLayer = new ESRI.ArcGIS.Carto.GdbRasterCatalogLayerClass();
46. pGdbRCLayer.Setup(pFc as ITable);
47. MapControl.Map.AddLayer(pGdbRCLayer as ILayer);
48. }
49. else if( (pFcName.FeatureType == esriFeatureType.esriFTSimple)||
50. (pFcName.FeatureType == esriFeatureType.esriFTComplexEdge)||
51. (pFcName.FeatureType == esriFeatureType.esriFTComplexJunction)||
52. (pFcName.FeatureType == esriFeatureType.esriFTSimpleEdge)||
53. (pFcName.FeatureType == esriFeatureType.esriFTSimpleJunction))
54. {
56. IFeatureLayer pLayer = new FeatureLayerClass();
57. pLayer.FeatureClass = pFc;
58. pLayer.Name = (pFc as IDataset).Name;
59. MapControl.Map.AddLayer(pLayer as ILayer);
60. }
61. else if (pFcName.FeatureType == esriFeatureType.esriFTAnnotation)
62. {
63. ILayer pLayer = OpenAnnotationLayer(pFc);
64. pLayer.Name = (pFc as IDataset).Name;
65. MapControl.Map.AddLayer(pLayer as ILayer);
66. }
68. MapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
69. }
70. catch (Exception ex)
71. { }
72. }
73. public static void OpenRasterDataset(AxMapControl MapControl,
74. IRasterDatasetName pRdName, ListView listview1)
75. {
76. MapControl.ClearLayers();
77. MapControl.SpatialReference = null;
78. listview1.Items.Clear();
79. listview1.Columns.Clear();
80. IDatasetName pDsName = pRdName as IDatasetName;
81. string sName = pDsName.Name;
83. IName pName = pRdName as IName;
85. IRasterDataset pRds = pName.Open() as IRasterDataset;
86. IRasterLayer pRL = new RasterLayerClass();
87. pRL.CreateFromDataset(pRds);
88. pRL.Name = sName;
89. MapControl.AddLayer(pRL as ILayer);
90. MapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
92. }
94. public static void OpenMosaicDataset(AxMapControl MapControl,
95. IMosaicDatasetName pMdName, ListView listview1)
96. {
97. MapControl.ClearLayers();
98. MapControl.SpatialReference = null;
99. listview1.Items.Clear();
100. listview1.Columns.Clear();
101. IDatasetName pDsName = pMdName as IDatasetName;
102. string sName = pDsName.Name;
104. IName pName = pMdName as IName;
106. IMosaicDataset pMds = pName.Open() as IMosaicDataset;
107. IFeatureClass pFc = pMds.Catalog;
108. listview1.Items.Clear();
109. listview1.Columns.Clear();
110. LoadListView(pFc, listview1);
112. IFeatureCursor pCursor = pFc.Search(null, false);
113. IFeature pfea = pCursor.NextFeature();
114. int j = 0;
115. while (pfea != null)
116. {
117. ListViewItem lv = new ListViewItem();
119. for (int i = 0; i < pfea.Fields.FieldCount; i++)
120. {
121. string sFieldName = pfea.Fields.get_Field(i).Name;
122. lv.SubItems.Add(FeatureHelper.GetFeatureValue(pfea, sFieldName).ToString());
123. }
125. lv.Tag = pfea;
126. if (j % 2 == 0)
127. {
128. lv.BackColor = System.Drawing.Color.GreenYellow;
129. }
130. listview1.Items.Add(lv);
131. pfea = pCursor.NextFeature();
132. j++;
133. }
134. LSGISHelper.OtherHelper.ReleaseObject(pCursor);
135. IMosaicLayer pML = new MosaicLayerClass();
136. pML.CreateFromMosaicDataset(pMds);
138. MapControl.AddLayer(pML as ILayer);
139. MapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
141. }
143. public static void OpenTable(AxMapControl MapControl,
144. ITableName pTName, ListView listview1)
145. {
146. try
147. {
148. MapControl.Map.ClearLayers();
149. MapControl.SpatialReference = null;
150. MapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewAll, null, null);
151. IName pName = pTName as IName;
152. ITable pFc = pName.Open() as ITable;
154. listview1.Items.Clear();
155. listview1.Columns.Clear();
156. LoadListView(pFc, listview1);
158. ICursor pCursor = pFc.Search(null, false);
159. IRow pfea = pCursor.NextRow();
160. int j = 0;
161. while (pfea != null)
162. {
163. ListViewItem lv = new ListViewItem();
165. for (int i = 0; i < pfea.Fields.FieldCount; i++)
166. {
167. string sFieldName = pfea.Fields.get_Field(i).Name;
168. lv.SubItems.Add(FeatureHelper.GetRowValue(pfea, sFieldName).ToString());
169. }
171. lv.Tag = pfea;
172. if (j % 2 == 0)
173. {
174. lv.BackColor = System.Drawing.Color.GreenYellow;
175. }
176. listview1.Items.Add(lv);
177. pfea = pCursor.NextRow();
178. j++;
179. }
180. LSGISHelper.OtherHelper.ReleaseObject(pCursor);
181. }
182. catch { }
183. }
184. public static void LoadListView(IFeatureClass pFC, ListView listView1)
185. {
186. try
187. {
189. listView1.Columns.Clear();
190. //添加一个空
191. ColumnHeader columnHeader = new ColumnHeader();
193. listView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
194. columnHeader
195. });
196. columnHeader.Text = "";
198. for (int i = 0; i < pFC.Fields.FieldCount; i++)
199. {
200. ColumnHeader columnHeader1 = new ColumnHeader();
202. listView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
203. columnHeader1
204. });
205. IFields pFields = pFC.Fields;
207. IField pField = pFields.get_Field(i);
210. columnHeader1.Text = pField.AliasName;
213. }
215. }
216. catch (Exception ex)
217. { }
218. }
219. public static void LoadListView(ITable pFC, ListView listView1)
220. {
221. try
222. {
224. listView1.Columns.Clear();
225. //添加一个空
226. ColumnHeader columnHeader = new ColumnHeader();
228. listView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
229. columnHeader
230. });
231. columnHeader.Text = "";
233. for (int i = 0; i < pFC.Fields.FieldCount; i++)
234. {
235. ColumnHeader columnHeader1 = new ColumnHeader();
237. listView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
238. columnHeader1
239. });
240. IFields pFields = pFC.Fields;
242. IField pField = pFields.get_Field(i);
245. columnHeader1.Text = pField.AliasName;
248. }
250. }
251. catch (Exception ex)
252. { }
253. }
255. public static ILayer OpenAnnotationLayer(IFeatureClass pfc)
256. {
257. IFDOGraphicsLayerFactory pfdof = new FDOGraphicsLayerFactoryClass();
258. IFeatureDataset pFDS=pfc.FeatureDataset;
259. IWorkspace pWS = pFDS.Workspace;
260. IFeatureWorkspace pFWS=pWS as IFeatureWorkspace;
261. ILayer pLayer = pfdof.OpenGraphicsLayer(pFWS, pFDS, (pfc as IDataset).Name );
262. return pLayer;
263. }
265. }

二：创建类

1. public class clsCreateClass
2. {
3. public IFeatureDataset CreateDataset(IWorkspace pWorkspace)
4. {
5. try
6. {
7. if (pWorkspace == null) return null;
8. IFeatureWorkspace aFeaWorkspace = pWorkspace as IFeatureWorkspace;
9. if (aFeaWorkspace == null) return null;
10. DatasetPropertiesForm aForm = new DatasetPropertiesForm();
11. aForm.HignPrecision = LSGISHelper.WorkspaceHelper.HighPrecision(pWorkspace);
12. if (aForm.ShowDialog() == DialogResult.OK)
13. {
14. string dsName = aForm.FeatureDatasetName;
15. ISpatialReference aSR = aForm.SpatialReference;
16. IFeatureDataset aDS = aFeaWorkspace.CreateFeatureDataset(dsName, aSR);
17. return aDS;
18. }
19. }
20. catch (Exception ex) { }
21. return null;
22. }
23. public IRasterDataset CreateRasterDataset(IWorkspace pWorkspace,string sName
24. )
25. {
26. try
27. {
28. IRasterWorkspaceEx pRWEx = pWorkspace as IRasterWorkspaceEx;
29. IGeometryDef pGDef=new GeometryDefClass ();
31. IRasterDataset pRD = pRWEx.CreateRasterDataset(
32. sName, 3, rstPixelType.PT_CHAR, null, null, null, null);
33. }
34. catch { }
35. return null;
36. }
37. public IFeatureClass CreateFeatureClass(IWorkspace pWorkspace)
38. {
39. if (pWorkspace == null) return null;
40. IFeatureWorkspace aFeaWorkspace = pWorkspace as IFeatureWorkspace;
41. if (aFeaWorkspace == null) return null;
42. IFeatureClass aClass = null;
43. FeatureClassWizard aForm = new FeatureClassWizard();
44. aForm.Workspace = pWorkspace;
45. if (aForm.ShowDialog() == DialogResult.OK)
46. {
47. while (true)
48. {
49. string className = aForm.FeatureClassName;
50. string aliasName = aForm.FeatureClassAliasName;
51. IFields flds = aForm.Fields;
52. try
53. {
54. aClass = aFeaWorkspace.CreateFeatureClass(className, flds
55. , null, null, esriFeatureType.esriFTSimple, "SHAPE", null);
56. if (!aliasName.Equals(""))
57. {
58. IClassSchemaEdit aClassEdit = aClass as IClassSchemaEdit;
59. if (aClassEdit != null) aClassEdit.AlterAliasName(aliasName);
60. }
61. break;
62. }
63. catch (Exception ex)
64. {
65. //MessageBox.Show ("错误:\n"+ex.Message ,"新建特性类",
66. // MessageBoxButtons.OK ,MessageBoxIcon.Error );
67. LSCommonHelper.MessageBoxHelper.ShowErrorMessageBox(ex, "");
68. }
69. aForm = new FeatureClassWizard();
70. aForm.Workspace = pWorkspace;
71. aForm.FeatureClassName = className;
72. aForm.FeatureClassAliasName = aliasName;
73. aForm.Fields = flds;
74. if (aForm.ShowDialog() == DialogResult.Cancel) break;
75. }
76. }
77. return aClass;
78. }
79. public IFeatureClass CreateFeatureClass(IFeatureDataset pDS)
80. {
81. if (pDS == null) return null;
82. IFeatureClass aClass = null;
84. FeatureClassWizard aForm = new FeatureClassWizard();
85. aForm.Workspace = (pDS as IDataset).Workspace;
86. IGeoDataset pGDS = pDS as IGeoDataset;
87. if (pGDS != null)
88. {
89. aForm.SpatialReference = pGDS.SpatialReference;
90. }
91. if (aForm.ShowDialog() == DialogResult.OK)
92. {
93. while (true)
94. {
95. string className = aForm.FeatureClassName;
96. string aliasName = aForm.FeatureClassAliasName;
97. IFields flds = aForm.Fields;
99. try
100. {
101. aClass = pDS.CreateFeatureClass(className, flds
102. , null, null, esriFeatureType.esriFTSimple, "SHAPE", null);
103. if (!aliasName.Equals(""))
104. {
105. IClassSchemaEdit aClassEdit = aClass as IClassSchemaEdit;
106. if (aClassEdit != null) aClassEdit.AlterAliasName(aliasName);
107. }
108. break;
109. }
110. catch (Exception ex)
111. {
112. LSCommonHelper.MessageBoxHelper.ShowErrorMessageBox(ex, "请选择高精度坐标系");
113. }
114. aForm = new FeatureClassWizard();
115. aForm.Workspace = (pDS as IDataset).Workspace;
116. aForm.FeatureClassName = className;
117. aForm.FeatureClassAliasName = aliasName;
120. aForm.Fields = flds;
121. if (aForm.ShowDialog() == DialogResult.Cancel) break;
122. }
123. }
124. return aClass;
125. }
126. public ITable CreateTable(IWorkspace pWorkspace)
127. {
128. if (pWorkspace == null) return null;
129. IFeatureWorkspace aFeaWorkspace = pWorkspace as IFeatureWorkspace;
130. if (aFeaWorkspace == null) return null;
131. ITable aTable = null;
132. DataTableWizard aWizard = new DataTableWizard();
133. aWizard.Workspace = pWorkspace;
134. if (aWizard.ShowDialog() == DialogResult.OK)
135. {
136. while (true)
137. {
138. string tableName = aWizard.TableName;
139. string aliasName = aWizard.TableAliasName;
140. IFields flds = aWizard.Fields;
141. try
142. {
143. aTable = aFeaWorkspace.CreateTable(tableName, flds
144. , null, null, null);
146. if (!aliasName.Equals(""))
147. {
148. IClassSchemaEdit aClassEdit = aTable as IClassSchemaEdit;
149. aClassEdit.RegisterAsObjectClass("OBJECTID", null);
150. if (aClassEdit != null) aClassEdit.AlterAliasName(aliasName);
151. }
152. break;
153. }
154. catch (Exception ex)
155. {
156. //MessageBox.Show ("错误:\n"+ex.Message ,"新建表",
157. // MessageBoxButtons.OK ,MessageBoxIcon.Error );
158. LSCommonHelper.MessageBoxHelper.ShowErrorMessageBox(ex, "");
159. }
160. aWizard = new DataTableWizard();
161. aWizard.Workspace = pWorkspace;
162. aWizard.TableName = tableName;
163. aWizard.TableAliasName = aliasName;
164. aWizard.Fields = flds;
165. if (aWizard.ShowDialog() == DialogResult.Cancel) break;
166. }
167. }
168. return aTable;
169. }
170. }

三：导出类

1. public class clsExportClass
2. {
4. ///
5. /// 导出FeatureClass到Shapefile文件
6. ///
7. ///
8. public static bool ExportFeatureClassToShp(string sPath,IFeatureClass apFeatureClass)
9. {
10. try
11. {
12. string ExportFileShortName = System.IO.Path.GetFileNameWithoutExtension(sPath);
13. if (ExportFileShortName == "")
14. {
15. ExportFileShortName =LSCommonHelper.OtherHelper.GetRightName( (apFeatureClass as IDataset).Name,".");
16. }
17. string ExportFilePath = System.IO.Path.GetDirectoryName(sPath);
18. if (ExportFilePath == null)
19. {
20. ExportFilePath = sPath;
21. }
22. //设置导出要素类的参数
23. IFeatureClassName pOutFeatureClassName = new FeatureClassNameClass();
24. IDataset pOutDataset = (IDataset)apFeatureClass;
25. pOutFeatureClassName = (IFeatureClassName)pOutDataset.FullName;
26. //创建一个输出shp文件的工作空间
27. IWorkspaceFactory pShpWorkspaceFactory = new ShapefileWorkspaceFactoryClass();
28. IWorkspaceName pInWorkspaceName = new WorkspaceNameClass();
29. pInWorkspaceName = pShpWorkspaceFactory.Create(ExportFilePath, ExportFileShortName, null, 0);
31. //创建一个要素集合
32. IFeatureDatasetName pInFeatureDatasetName = null;
33. //创建一个要素类
34. IFeatureClassName pInFeatureClassName = new FeatureClassNameClass();
35. IDatasetName pInDatasetClassName;
36. pInDatasetClassName = (IDatasetName)pInFeatureClassName;
37. pInDatasetClassName.Name = ExportFileShortName;//作为输出参数
38. pInDatasetClassName.WorkspaceName = pInWorkspaceName;
39. //通过FIELDCHECKER检查字段的合法性，为输出SHP获得字段集合
40. long iCounter;
41. IFields pOutFields, pInFields;
43. IField pGeoField;
44. IEnumFieldError pEnumFieldError = null;
45. pInFields = apFeatureClass.Fields;
46. IFieldChecker pFieldChecker = new FieldChecker();
47. pFieldChecker.Validate(pInFields, out pEnumFieldError, out pOutFields);
48. //通过循环查找几何字段
49. pGeoField = null;
50. for (iCounter = 0; iCounter < pOutFields.FieldCount; iCounter++)
51. {
52. if (pOutFields.get_Field((int)iCounter).Type == esriFieldType.esriFieldTypeGeometry)
53. {
54. pGeoField = pOutFields.get_Field((int)iCounter);
55. break;
56. }
57. }
58. //得到几何字段的几何定义
59. IGeometryDef pOutGeometryDef;
60. IGeometryDefEdit pOutGeometryDefEdit;
61. pOutGeometryDef = pGeoField.GeometryDef;
62. //设置几何字段的空间参考和网格
63. pOutGeometryDefEdit = (IGeometryDefEdit)pOutGeometryDef;
64. pOutGeometryDefEdit.GridCount_2 = 1;
65. pOutGeometryDefEdit.set_GridSize(0, 1500000);
67. //开始导入
68. IFeatureDataConverter pShpToClsConverter = new FeatureDataConverterClass();
69. pShpToClsConverter.ConvertFeatureClass(pOutFeatureClassName, null, pInFeatureDatasetName, pInFeatureClassName, pOutGeometryDef, pOutFields, "", 1000, 0);
70. return true;
71. }
72. catch (Exception ex)
73. {
74. return false;
75. }
76. }
77. public static void ExportFeatureClass2Shapefile(IFeatureClassName pFcName)
78. {
80. IName pName = pFcName as IName;
81. IFeatureClass pFc = pName.Open() as IFeatureClass;
83. SaveFileDialog ofd = new SaveFileDialog();
84. ofd.Filter = "Shapefile文件(.shp)|*.shp";
85. if (ofd.ShowDialog() == DialogResult.OK)
86. {
87. string sPath = ofd.FileName;
88. if (ExportFeatureClassToShp(sPath, pFc))
89. {
90. LSCommonHelper.MessageBoxHelper.ShowMessageBox("导出成功");
91. }
92. LSCommonHelper.MessageBoxHelper.ShowMessageBox("导出失败");
93. }
94. }
96. public static bool ConvertFeatureDataset(IWorkspace sourceWorkspace, IWorkspace targetWorkspace,
97. string nameOfSourceFeatureDataset, string nameOfTargetFeatureDataset)
98. {
99. try
100. {
101. //create source workspace name
102. IDataset sourceWorkspaceDataset = (IDataset)sourceWorkspace;
103. IWorkspaceName sourceWorkspaceName = (IWorkspaceName)sourceWorkspaceDataset.FullName;
104. //create source dataset name
105. IFeatureDatasetName sourceFeatureDatasetName = new FeatureDatasetNameClass();
106. IDatasetName sourceDatasetName = (IDatasetName)sourceFeatureDatasetName;
107. sourceDatasetName.WorkspaceName = sourceWorkspaceName;
108. sourceDatasetName.Name = nameOfSourceFeatureDataset;
109. //create target workspace name
110. IDataset targetWorkspaceDataset = (IDataset)targetWorkspace;
111. IWorkspaceName targetWorkspaceName = (IWorkspaceName)targetWorkspaceDataset.FullName;
112. //create target dataset name
113. IFeatureDatasetName targetFeatureDatasetName = new FeatureDatasetNameClass();
114. IDatasetName targetDatasetName = (IDatasetName)targetFeatureDatasetName;
115. targetDatasetName.WorkspaceName = targetWorkspaceName;
116. targetDatasetName.Name = nameOfTargetFeatureDataset;
117. //Convert feature dataset
118. IFeatureDataConverter featureDataConverter = new FeatureDataConverterClass();
119. featureDataConverter.ConvertFeatureDataset(sourceFeatureDatasetName, targetFeatureDatasetName, null, "", 1000, 0);
120. return true;
121. }
122. catch (Exception ex)
123. { return false; }
124. }
126. public static void ExportFeatureDataset2GDB(IDatasetName pDSName,int flag)
127. {
128. FolderBrowserDialog fbd = new FolderBrowserDialog();
129. fbd.Description = "选择保存路径";
130. if (fbd.ShowDialog() == DialogResult.OK)
131. {
132. string sPath = fbd.SelectedPath;
133. string sTemplate = "";
134. if (flag == 0)
135. {
136. sTemplate = Application.StartupPath + @"\template\pgdb.mdb";
137. File.Copy(sTemplate, sPath + "\\pgdb.mdb");
138. }
139. else
140. {
141. sTemplate = Application.StartupPath + @"\template\fgdb.gdb";
142. FileHelper.CopyDir(sTemplate, sPath+"\\fgdb.gdb");
143. }
145. IName pName = pDSName as IName;
146. string sSrcDSName = pDSName.Name;
147. sSrcDSName = LSCommonHelper.OtherHelper.GetRightName(sSrcDSName, ".");
148. IDataset pDS = pName.Open() as IDataset;
149. IWorkspace pSrcWS = pDS.Workspace;
150. IWorkspace pDesWS = null;
151. if (flag == 0)
152. {
153. pDesWS = LSGISHelper.WorkspaceHelper.GetAccessWorkspace(sPath + "\\pgdb.mdb");
154. }
155. else
156. {
157. pDesWS = LSGISHelper.WorkspaceHelper.GetFGDBWorkspace(sPath + "\\fgdb.gdb");
158. }
159. if (ConvertFeatureDataset(pSrcWS, pDesWS, sSrcDSName, sSrcDSName))
160. {
161. LSCommonHelper.MessageBoxHelper.ShowMessageBox("导出成功");
162. }
163. else
164. {
165. LSCommonHelper.MessageBoxHelper.ShowMessageBox("导出失败");
166. }
167. }
169. }
171. public static void ExportFeatureDataset2Shapefile(IDatasetName pDSName,
172. TaskMonitor mTaskMonitor)
173. {
175. FolderBrowserDialog fbd = new FolderBrowserDialog();
176. fbd.Description = "选择保存路径";
177. if (fbd.ShowDialog() == DialogResult.OK)
178. {
179. string sPath = fbd.SelectedPath;
180. IName pName = pDSName as IName;
181. IDataset pDS = pName.Open() as IDataset;
182. IFeatureDataset pFDS = pDS as IFeatureDataset;
183. IFeatureClassContainer pFCC = pFDS as IFeatureClassContainer;
184. IFeatureClass pfc = null;
185. mTaskMonitor.EnterWaitState();
187. for (int i = 0; i < pFCC.ClassCount; i++)
188. {
189. pfc = pFCC.get_Class(i);
190. mTaskMonitor.TaskCaption = "正在导出第"+(i+1)+"个"+pfc.AliasName+"图层，共"+pFCC.ClassCount+"个";
191. mTaskMonitor.TaskProgress = LSCommonHelper.MathHelper.Precent(
192. 0, pFCC.ClassCount, i);
193. if (ExportFeatureClassToShp(sPath, pfc))
194. { }
195. }
196. mTaskMonitor.ExitWaitState();
197. LSCommonHelper.MessageBoxHelper.ShowMessageBox("导出完毕");
198. }
199. }
201. }

四：导入类

1. public class clsImportClass
2. {
3. public static void ImportGDB2SDE(IWorkspace pDesWS, int flag)
4. {
5. IWorkspace pSrcWS = null;
6. try
7. {
8. if (flag == 0)
9. {
10. OpenFileDialog ofd = new OpenFileDialog();
11. ofd.Filter = "PGDB文件(.mdb)|*.mdb";
12. ofd.Multiselect = false;
13. if (ofd.ShowDialog() == DialogResult.OK)
14. {
15. string sFileName = ofd.FileName;
16. pSrcWS = LSGISHelper.WorkspaceHelper.GetAccessWorkspace(sFileName);
17. }
18. }
19. else
20. {
21. FolderBrowserDialog fdb = new FolderBrowserDialog();
22. if (fdb.ShowDialog() == DialogResult.OK)
23. {
24. string sFileName = fdb.SelectedPath;
25. pSrcWS = LSGISHelper.WorkspaceHelper.GetFGDBWorkspace(sFileName);
26. }
27. }
28. if (pSrcWS != null)
29. {
30. IEnumDatasetName pEnumDSName = pSrcWS.get_DatasetNames(esriDatasetType.esriDTFeatureDataset);
31. IDatasetName pDName = pEnumDSName.Next();
33. while (pDName != null)
34. {
35. clsExportClass.ConvertFeatureDataset(pSrcWS, pDesWS, pDName.Name, pDName.Name);
37. pDName = pEnumDSName.Next();
38. }
39. LSCommonHelper.MessageBoxHelper.ShowMessageBox("导入成功");
40. }
41. }
42. catch { }
43. }
45. public static void ImportShapefile2SDE(IWorkspace pDesWS, TaskMonitor mTaskMonitor,
46. IFeatureDatasetName pFDN)
47. {
48. OpenFileDialog ofd = new OpenFileDialog();
49. ofd.Title = "打开SHP数据";
50. ofd.Filter = "SHP数据(*.shp)|*.shp";
51. ofd.Multiselect = true;
52. ofd.RestoreDirectory = true;
53. if (ofd.ShowDialog() == DialogResult.OK)
54. {
55. string[] sFileNames = ofd.FileNames;
56. string sFileName = "";
57. IFeatureClass pFC = null;
59. mTaskMonitor.EnterWaitState();
60. string sName = "";
61. IWorkspace pSrcWS=null;
62. for (int i = 0; i < sFileNames.Length; i++)
63. {
64. mTaskMonitor.TaskCaption = "共" + sFileNames.Length + "个文件，先处理第" + (i + 1) + "个文件";
65. mTaskMonitor.TaskProgress = LSCommonHelper.MathHelper.Precent(0, sFileNames.Length, i);
66. sFileName = sFileNames[i].ToString();
67. pSrcWS=LSGISHelper.WorkspaceHelper.GetShapefileWorkspace(sFileName);
68. sFileName = System.IO.Path.GetFileNameWithoutExtension(sFileName);
69. IFeatureWorkspace pFWS = pSrcWS as IFeatureWorkspace;
70. pFC = pFWS.OpenFeatureClass(sFileName);
71. sName = (pFC as IDataset).Name;
72. if (ConvertFeatureClass2FeatureDataset(pSrcWS, pDesWS, sName, sName, pFDN))
73. { }
74. }
75. mTaskMonitor.ExitWaitState();
76. LSCommonHelper.MessageBoxHelper.ShowMessageBox("导入成功");
77. }
78. }
79. public static bool ConvertFeatureClass2FeatureDataset(IWorkspace sourceWorkspace,
80. IWorkspace targetWorkspace, string nameOfSourceFeatureClass,
81. string nameOfTargetFeatureClass, IFeatureDatasetName pName)
82. {
83. try
84. {
85. //create source workspace name
86. IDataset sourceWorkspaceDataset = (IDataset)sourceWorkspace;
87. IWorkspaceName sourceWorkspaceName = (IWorkspaceName)sourceWorkspaceDataset.FullName;
88. //create source dataset name
89. IFeatureClassName sourceFeatureClassName = new FeatureClassNameClass();
90. IDatasetName sourceDatasetName = (IDatasetName)sourceFeatureClassName;
91. sourceDatasetName.WorkspaceName = sourceWorkspaceName;
92. sourceDatasetName.Name = nameOfSourceFeatureClass;
94. //create target workspace name
95. IDataset targetWorkspaceDataset = (IDataset)targetWorkspace;
96. IWorkspaceName targetWorkspaceName = (IWorkspaceName)targetWorkspaceDataset.FullName;
97. //create target dataset name
98. IFeatureClassName targetFeatureClassName = new FeatureClassNameClass();
99. IDatasetName targetDatasetName = (IDatasetName)targetFeatureClassName;
100. targetDatasetName.WorkspaceName = targetWorkspaceName;
101. targetDatasetName.Name = nameOfTargetFeatureClass;
102. //Open input Featureclass to get field definitions.
103. ESRI.ArcGIS.esriSystem.IName sourceName = (ESRI.ArcGIS.esriSystem.IName)sourceFeatureClassName;
104. IFeatureClass sourceFeatureClass = (IFeatureClass)sourceName.Open();
105. //Validate the field names because you are converting between different workspace types.
106. IFieldChecker fieldChecker = new FieldCheckerClass();
107. IFields targetFeatureClassFields;
108. IFields sourceFeatureClassFields = sourceFeatureClass.Fields;
109. IEnumFieldError enumFieldError;
110. // Most importantly set the input and validate workspaces!
111. fieldChecker.InputWorkspace = sourceWorkspace;
112. fieldChecker.ValidateWorkspace = targetWorkspace;
113. fieldChecker.Validate(sourceFeatureClassFields, out enumFieldError,
114. out targetFeatureClassFields);
115. // Loop through the output fields to find the geomerty field
116. IField geometryField;
117. for (int i = 0; i < targetFeatureClassFields.FieldCount; i++)
118. {
119. if (targetFeatureClassFields.get_Field(i).Type == esriFieldType.esriFieldTypeGeometry)
120. {
121. geometryField = targetFeatureClassFields.get_Field(i);
122. // Get the geometry field's geometry defenition
123. IGeometryDef geometryDef = geometryField.GeometryDef;
124. //Give the geometry definition a spatial index grid count and grid size
125. IGeometryDefEdit targetFCGeoDefEdit = (IGeometryDefEdit)geometryDef;
126. targetFCGeoDefEdit.GridCount_2 = 1;
127. targetFCGeoDefEdit.set_GridSize(0, 0);
128. //Allow ArcGIS to determine a valid grid size for the data loaded
129. targetFCGeoDefEdit.SpatialReference_2 = geometryField.GeometryDef.SpatialReference;
130. // we want to convert all of the features
131. IQueryFilter queryFilter = new QueryFilterClass();
132. queryFilter.WhereClause = "";
133. // Load the feature class
134. IFeatureDataConverter fctofc = new FeatureDataConverterClass();
135. IEnumInvalidObject enumErrors = fctofc.ConvertFeatureClass(sourceFeatureClassName,
136. queryFilter, pName, targetFeatureClassName,
137. geometryDef, targetFeatureClassFields, "", 1000, 0);
138. break;
139. }
140. }
141. return true;
142. }
143. catch (Exception ex) { return false; }
144. }
145. }