public IFeature GetTestFeatures(ConnectionJSObject connObj, FeatureClassJSObject fcObj, FilterWhereJSObject fwObj, out string outMsg)
{
IFeature result = null;
outMsg = string.Empty;
try
{
if (fcObj != null)
{
OpenSDE(connObj);
if (pWorkspace != null)
{
IFeatureClass featureClass = null;
//指定表名是否存在
if (pWorkspace2.get_NameExists(esriDatasetType.esriDTFeatureClass, fcObj.name))
{
featureClass = pFeatureWorkspace.OpenFeatureClass(fcObj.name);
//查找地块
IQueryFilter pQueryFilter = new QueryFilterClass();
pQueryFilter.WhereClause = fwObj.filter;
IFeatureCursor pFeatureCursor = featureClass.Search(pQueryFilter, false);
result = pFeatureCursor.NextFeature();
}
else
{
outMsg = string.Format("数据源中不存在表名[{0}]。", fcObj.name);
}
}
}
else
{
outMsg = string.Format("操作表参数错误!");
}
}
catch (Exception ex)
{
outMsg = ex.Message;
}
finally
{
CloseSDE();
}
return(result);
}
/// <summary>
/// 删除Features
/// </summary>
/// <param name="connObj">连接对象</param>
/// <param name="fcObj">表对象</param>
/// <param name="fwObj">查询条件</param>
/// <param name="outMsg">返回必要信息</param>
/// <returns></returns>
public List <FeatureObject> GetFeatures(ConnectionJSObject connObj, FeatureClassJSObject fcObj, FilterWhereJSObject fwObj, out string outMsg)
{
List <FeatureObject> result = new List <FeatureObject>();
outMsg = string.Empty;
try
{
if (fcObj != null)
{
OpenSDE(connObj);
if (pWorkspace != null)
{
IFeatureClass featureClass = null;
//指定表名是否存在
if (pWorkspace2.get_NameExists(esriDatasetType.esriDTFeatureClass, fcObj.name))
{
featureClass = pFeatureWorkspace.OpenFeatureClass(fcObj.name);
//查找地块
IQueryFilter pQueryFilter = new QueryFilterClass();
pQueryFilter.WhereClause = fwObj.filter;
IFeatureCursor pFeatureCursor = featureClass.Update(pQueryFilter, false);
IFeature feature = pFeatureCursor.NextFeature();
while (feature != null)
{
//TODO:解析
FeatureObject fo = new FeatureObject();
List <AttributeJSObject> attrs = new List <AttributeJSObject>();
for (int i = 0; i < featureClass.Fields.FieldCount; i++)
{
IField field = featureClass.Fields.get_Field(i);
if (field != null && field.Editable && field.Type != esriFieldType.esriFieldTypeGeometry)
{
AttributeJSObject ajso = new AttributeJSObject();
ajso.name = field.Name;
ajso.value = feature.get_Value(i);
attrs.Add(ajso);
}
}
fo.attributes = attrs;
fo.geometry = feature.ShapeCopy;
result.Add(fo);
feature = pFeatureCursor.NextFeature();
}
}
else
{
outMsg = string.Format("数据源中不存在表名[{0}]。", fcObj.name);
}
}
}
else
{
outMsg = string.Format("操作表参数错误!");
}
}
catch (Exception ex)
{
outMsg = ex.Message;
}
finally
{
CloseSDE();
}
return(result);
}
/// <summary>
/// 删除Features
/// </summary>
/// <param name="connObj">连接对象</param>
/// <param name="fcObj">表对象</param>
/// <param name="fwObj">删除条件</param>
/// <param name="count">返回影响行数</param>
/// <param name="outMsg">返回必要信息</param>
/// <returns></returns>
public bool DeleteFeatures(ConnectionJSObject connObj, FeatureClassJSObject fcObj, FilterWhereJSObject fwObj, out int count, out string outMsg)
{
bool result = false;
count = 0;
outMsg = string.Empty;
try
{
if (fcObj != null)
{
OpenSDE(connObj);
if (pWorkspace != null)
{
IFeatureClass featureClass = null;
//指定表名是否存在
if (pWorkspace2.get_NameExists(esriDatasetType.esriDTFeatureClass, fcObj.name))
{
featureClass = pFeatureWorkspace.OpenFeatureClass(fcObj.name);
bool isVersion = CheckVersionEdit(featureClass);
if (isVersion)
{
pWorkspaceEdit.StartEditing(true);
}
if (isVersion)
{
pWorkspaceEdit.StartEditOperation();
}
//查找地块
IQueryFilter pQueryFilter = new QueryFilterClass();
pQueryFilter.WhereClause = fwObj.filter;
IFeatureCursor pFeatureCursor = featureClass.Update(pQueryFilter, false);
IFeature feature = pFeatureCursor.NextFeature();
while (feature != null)
{
feature.Delete();
feature = pFeatureCursor.NextFeature();
count++;
}
if (isVersion)
{
pWorkspaceEdit.StopEditOperation();
}
result = true;
}
else
{
outMsg = string.Format("数据源中不存在表名[{0}]。", fcObj.name);
}
}
}
else
{
outMsg = string.Format("操作表参数错误!");
}
}
catch (Exception ex)
{
result = false;
outMsg = ex.Message;
}
finally
{
CloseSDE();
}
return(result);
}
