/// <summary>
/// 从另一张表复制数据(数据结构相同)
/// </summary>
/// <param name="ZFClass"></param>
/// <param name="clear">是否清空原数据</param>
public static void CopyFrom(this IFeatureClass featureClass, IFeatureClass otherFeatureClass, bool clear = false)
{
if (clear)
{
featureClass.Delete();
}
//MergeStructFrom
IFeatureCursor cursor = otherFeatureClass.Search();
featureClass.CopyFrom(cursor);
}
/// <summary>
/// 将IFeatureCursor保存到指定表
/// </summary>
/// <param name="cursor"></param>
/// <param name="featureClass"></param>
/// <returns></returns>
public static bool SaveToFeatureClass(this IFeatureCursor cursor, IFeatureClass featureClass)
{
try
{
featureClass.CopyFrom(cursor);
}
catch (Exception e) {
Console.WriteLine(e);
return(false);
}
return(true);
}
/// <summary>
/// 复制图层
/// </summary>
/// <param name="oldName"></param>
/// <param name="newName"></param>
/// <param name="copyReords">思否复制记录</param>
public static IFeatureClass CopyFeatureClass(this IFeatureWorkspace workspace, string oldName, string newName, bool copyReords = false)
{
IFeatureClass oldFClass = workspace.OpenFeatureClass(oldName);
if (oldFClass != null)
{
IFields fields = oldFClass.Fields.Clone();
IFeatureClass newFClass = workspace.CreateFeatureClass(newName, fields, oldFClass.FeatureType, oldFClass.ShapeFieldName);
if (copyReords)
{
newFClass.CopyFrom(oldFClass);
}
return(newFClass);
}
return(null);
}