Arc Engiene读取文档的属性

设计界面

创建类

代码如下

using System;


using System.Collections.Generic;


using System.Linq;


using System.Text;


using System.Threading.Tasks;


using ESRI.ArcGIS.Controls;


using System.Data;


using ESRI.ArcGIS.Carto;


using ESRI.ArcGIS.Geodatabase;


using ESRI.ArcGIS.Geometry;





namespace test


{


   public class DataHelper


    {


        #region 读取mapControl属性表


        public static DataTable GetAttribute(AxMapControl axMapControl)


        {


            int layerCount = axMapControl.Map.LayerCount;





           // IFeature pFeature;


            string fieldName=string.Empty;


            int fieldCount;


            bool firstThroght=true;


            DataTable dataTable = new DataTable();


            //循环图层得到每一层的数据


            for (int l = 0; l < layerCount; l++)


            {


                IFeatureLayer pFeatureLayer = axMapControl.Map.get_Layer(l) as IFeatureLayer;


                IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;


                fieldCount = pFeatureClass.Fields.FieldCount;


                int featureCount = pFeatureClass.FeatureCount(new QueryFilterClass());


                if (firstThroght)


                {


                    for (int i = 0; i < fieldCount; i++)


                    {


                        string fieldHeadName = pFeatureClass.Fields.get_Field(i).AliasName;


                        dataTable.Columns.Add(fieldHeadName);





                    }


                    firstThroght = false;


                }


                //判断feature的类型


                int indexofShape = pFeatureClass.FindField("Shape");


                ESRI.ArcGIS.Geometry.esriGeometryType pFeatureClassShapeType = pFeatureClass.ShapeType;


                for (int i = 0; i < featureCount; i++)


                {


                    DataRow dataRow = dataTable.NewRow();


                    for (int j = 0; j < fieldCount; j++)


                    {


                        if (j == indexofShape)


                        {


                            //Geometroy.shapetype转换


                            switch (pFeatureClassShapeType)


                            {


                                case esriGeometryType.esriGeometryPoint:


                                    fieldName = "Point";


                                    break;


                                case esriGeometryType.esriGeometryPolyline:


                                    fieldName = "Polyline";


                                    break;


                                case esriGeometryType.esriGeometryPolygon:


                                    fieldName = "Polygon";


                                    break;


                                default:


                                    break;


                            }


                            // fieldName = pFeatureClass.GetFeature(i).get_Value(j).ToString();


                            //dataTable.Columns.Add(fieldName);





                            dataRow[j] = fieldName;


                        }


                        else


                        {


                            //添加非shape字段到表中


                            fieldName = pFeatureClass.GetFeature(i).get_Value(j).ToString();


                            //dataTable.Columns.Add(fieldName);





                            dataRow[j] = fieldName;


                        }





                        //dataTable[i][j] = fieldName;


                    }


                    dataTable.Rows.Add(dataRow);





                }


            }


            return dataTable;


        }


        #endregion


    }


}