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//将上传的mdb文件保存至sde数据库中 protected void btnSaveToSDE_Click(object sender, EventArgs e) { //获取服务器上下文 IServerContext serverContext = GetServerContext(); //打开mdb文件所在的工作空间 ESRI.ArcGIS.Geodatabase.IWorkspaceFactory wf = serverContext.CreateObject("esriDataSourcesGDB.AccessWorkspaceFactory") as IWorkspaceFactory; string fileName = @"F:\MyGeodatabase.mdb"; IFeatureWorkspace pFeatureWorkspaceMDB = wf.OpenFromFile(fileName, 0) as IFeatureWorkspace; IWorkspace pWorkspaceMDB = pFeatureWorkspaceMDB as IWorkspace; //打开sde空间数据库的工作空间 IFeatureWorkspace pFeatureWorkspaceSDE = OpenWorkspace(serverContext); IWorkspace pWorkspaceSDE = pFeatureWorkspaceSDE as IWorkspace; #region //获得mdb所有的要素数据集并进行转换复制 IEnumDataset pEnumDataset = pWorkspaceMDB.get_Datasets(esriDatasetType.esriDTFeatureDataset); IDataset pDataset = pEnumDataset.Next(); //遍历mdb中每一个数据集 string nameOfSourceFeatureDataset = null;// 源数据集名称 string nameOfTargetFeatureDataset = null;// 目标数据集名称 while (pDataset != null) { nameOfSourceFeatureDataset = pDataset.Name; nameOfTargetFeatureDataset = nameOfSourceFeatureDataset + "_SDE"; ConvertMDBFeatureDatasetToSDE(serverContext, pWorkspaceMDB, pWorkspaceSDE, nameOfSourceFeatureDataset, nameOfTargetFeatureDataset); pDataset = pEnumDataset.Next(); } #endregion #region // 获得mdb中所有的独立要素类并进行转换复制 IEnumDataset enumDataset = pWorkspaceMDB.get_Datasets(esriDatasetType.esriDTFeatureClass) as IEnumDataset; IDataset dataset = enumDataset.Next(); // 遍历mdb的每一个独立要素类 string nameOfSourceFeatureClass = null;// 源要素类名称 string nameOfTargetFeatureClass= null;// 目标要素类名称 while (dataset != null) { if (dataset.Type == esriDatasetType.esriDTFeatureClass) { IFeatureClass pFeatureClass = dataset as IFeatureClass; nameOfSourceFeatureClass = pFeatureClass.AliasName; nameOfTargetFeatureClass = nameOfSourceFeatureClass + "_SDE"; ConvertMDBFeatureClassToSDE(serverContext, pWorkspaceMDB, pWorkspaceSDE, nameOfSourceFeatureClass, nameOfTargetFeatureClass); dataset = enumDataset.Next(); } else { return; } } #endregion //释放服务器上下文 serverContext.ReleaseContext(); } //获得服务器上下文 public IServerContext GetServerContext() { #region 通过IGISServerConnection来创建服务器上下文 IGISServerConnection gisServerConnection = new GISServerConnection(); gisServerConnection.Connect("服务器名"); IServerObjectManager4 serverObjectManager = (IServerObjectManager4)gisServerConnection.ServerObjectManager; IServerContext serverContext = serverObjectManager.CreateServerContext("", ""); #endregion return serverContext; } //打开sde数据库 public IFeatureWorkspace OpenWorkspace(IServerContext serverContext) { //sde数据库连接属性设置 IPropertySet pProperty = serverContext.CreateObject("esriSystem.PropertySet") as IPropertySet; pProperty.SetProperty("Server", "fms");// 服务器名称或者IP pProperty.SetProperty("Instance", "esri_sde");// pProperty.SetProperty("Database", "sde数据库名");// sde数据库名称 pProperty.SetProperty("user", "用户名");// 用户名称 pProperty.SetProperty("password", "密码");// 用户密码 pProperty.SetProperty("version", "sde.DEFAULT");// 连接版本 //创建IWorkspaceFactory对象 ESRI.ArcGIS.Geodatabase.IWorkspaceFactory2 wf = serverContext.CreateObject("esriDataSourcesGDB.SdeWorkspaceFactory") as IWorkspaceFactory2; //打开IFeatureWorkspace对象 IFeatureWorkspace fws = wf.Open(pProperty, 0) as IFeatureWorkspace; return fws; } //将mdb中的要素数据集转换到sde数据库中 public void ConvertMDBFeatureDatasetToSDE(IServerContext serverContext,IWorkspace sourceWorkspace, IWorkspace targetWorkspace, string nameOfSourceFeatureDataset, string nameOfTargetFeatureDataset) { if (sourceWorkspace == null || targetWorkspace == null) { return; } //创建源工作空间名 IDataset sourceWorkspaceDataset = (IDataset)sourceWorkspace; IWorkspaceName sourceWorkspaceName = (IWorkspaceName)sourceWorkspaceDataset.FullName; //创建源数据集名 IFeatureDatasetName sourceFeatureDatasetName = serverContext.CreateObject("esriGeoDatabase.FeatureDatasetName") as IFeatureDatasetName; IDatasetName sourceDatasetName = (IDatasetName)sourceFeatureDatasetName; sourceDatasetName.WorkspaceName = sourceWorkspaceName; sourceDatasetName.Name = nameOfSourceFeatureDataset; //创建目标工作空间名 IDataset targetWorkspaceDataset = (IDataset)targetWorkspace; IWorkspaceName targetWorkspaceName = (IWorkspaceName)targetWorkspaceDataset.FullName; //创建目标数据集名 IFeatureDatasetName targetFeatureDatasetName = serverContext.CreateObject("esriGeoDatabase.FeatureDatasetName") as IFeatureDatasetName; IDatasetName targetDatasetName = (IDatasetName)targetFeatureDatasetName; targetDatasetName.WorkspaceName = targetWorkspaceName; targetDatasetName.Name = nameOfTargetFeatureDataset; //转换（复制）源数据集到目标数据集 IFeatureDataConverter featureDataConverter = serverContext.CreateObject("esriGeoDatabase.FeatureDataConverter") as IFeatureDataConverter; featureDataConverter.ConvertFeatureDataset(sourceFeatureDatasetName, targetFeatureDatasetName, null, "", 1000, 0); } //将mdb中要素类转换复制到sde数据库中 public void ConvertMDBFeatureClassToSDE(IServerContext serverContext,IWorkspace sourceWorkspace, IWorkspace targetWorkspace, string nameOfSourceFeatureClass, string nameOfTargetFeatureClass) { // 创建源工作空间名称 IDataset sourceWorkspaceDataset = (IDataset)sourceWorkspace; IWorkspaceName sourceWorkspaceName = (IWorkspaceName)sourceWorkspaceDataset.FullName; //创建源数据集名称 IFeatureClassName sourceFeatureClassName = serverContext.CreateObject("esriGeoDatabase.FeatureClassName") as IFeatureClassName; IDatasetName sourceDatasetName = (IDatasetName)sourceFeatureClassName; sourceDatasetName.WorkspaceName = sourceWorkspaceName; sourceDatasetName.Name = nameOfSourceFeatureClass; //创建目标工作空间名称 IDataset targetWorkspaceDataset = (IDataset)targetWorkspace; IWorkspaceName targetWorkspaceName = (IWorkspaceName)targetWorkspaceDataset.FullName; //创建目标数据集名称 IFeatureClassName targetFeatureClassName = serverContext.CreateObject("esriGeoDatabase.FeatureClassName") as IFeatureClassName; IDatasetName targetDatasetName = (IDatasetName)targetFeatureClassName; targetDatasetName.WorkspaceName = targetWorkspaceName; targetDatasetName.Name = nameOfTargetFeatureClass; //打开输入的要素类以得到字段定义 ESRI.ArcGIS.esriSystem.IName sourceName = (ESRI.ArcGIS.esriSystem.IName)sourceFeatureClassName; IFeatureClass sourceFeatureClass = (IFeatureClass)sourceName.Open();//打开源要素类 //验证字段名称，因为你正在不同类型的工作空间之间进行数据转换 IFieldChecker fieldChecker = serverContext.CreateObject("esriGeoDatabase.FieldChecker") as IFieldChecker; IFields sourceFeatureClassFields = sourceFeatureClass.Fields; IFields targetFeatureClassFields; IEnumFieldError enumFieldError; //最重要的设置输入和验证工作空间 fieldChecker.InputWorkspace = sourceWorkspace; fieldChecker.ValidateWorkspace = targetWorkspace; fieldChecker.Validate(sourceFeatureClassFields, out enumFieldError, out targetFeatureClassFields); //遍历所有输出字段找到几何字段 IField geometryField; for (int i = 0; i < targetFeatureClassFields.FieldCount; i++) { if (targetFeatureClassFields.get_Field(i).Type == esriFieldType.esriFieldTypeGeometry) { geometryField = targetFeatureClassFields.get_Field(i); //得到几何字段的几何定义 IGeometryDef geometryDef = geometryField.GeometryDef; //赋予几何定义一个空间索引格网数目和格网大小值 IGeometryDefEdit targetFCGeoDefEdit = (IGeometryDefEdit)geometryDef; targetFCGeoDefEdit.GridCount_2 = 1; targetFCGeoDefEdit.set_GridSize(0, 0); //允许ArcGIS为数据加载确定一个有效的格网大小 targetFCGeoDefEdit.SpatialReference_2 = geometryField.GeometryDef.SpatialReference; //转换要素类中所有的要素 IQueryFilter queryFilter = serverContext.CreateObject("esriGeoDatabase.QueryFilter") as IQueryFilter; ; queryFilter.WhereClause = ""; //加载要素类 IFeatureDataConverter fctofc = serverContext.CreateObject("esriGeoDatabase.FeatureDataConverter") as IFeatureDataConverter; IEnumInvalidObject enumErrors = fctofc.ConvertFeatureClass(sourceFeatureClassName, queryFilter, null, targetFeatureClassName, geometryDef, targetFeatureClassFields, "", 1000, 0); break; } } } |
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