AE开发之txt转shp

实现坐标txt文件转shp点集数据文件的窗体Form

txt格式为：首行为“id，x，y”

第二行开始输入具体数值：id,x,y（x，y为具体的xy坐标）

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using NewDistrict;
using System.IO;

using System.Threading.Tasks;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.DataSourcesFile;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.Geometry;

namespace SignalDeal
{
    public partial class Formtxt2shp : Form
    {
        public Formtxt2shp()
        {
            ESRI.ArcGIS.RuntimeManager.Bind(ESRI.ArcGIS.ProductCode.EngineOrDesktop);
            InitializeComponent();
        }


        //选择Txt文件
        private void btn_TxtPath_Click(object sender, EventArgs e)
        {
            OpenFileDialog xjTxtOpenFileDialog = new OpenFileDialog();
            xjTxtOpenFileDialog.Multiselect = false;
            xjTxtOpenFileDialog.Title = "打开txt坐标文件";
            xjTxtOpenFileDialog.Filter = "txt坐标文件（*.txt）|*.txt";
            if (xjTxtOpenFileDialog.ShowDialog() == DialogResult.OK)
            {
                txt_TxtPath.Text = xjTxtOpenFileDialog.FileName;
            }
        }

        //Shp矢量点保存路径
        private void btn_ShpPath_Click(object sender, EventArgs e)
        {
            SaveFileDialog xjShpSaveFileDialog = new SaveFileDialog();
            xjShpSaveFileDialog.Filter = "Shape文件（*.shp）|*.shp";
            if (File.Exists(txt_TxtPath.Text))
            {
                xjShpSaveFileDialog.FileName = System.IO.Path.GetFileNameWithoutExtension(txt_TxtPath.Text);
            }
            if (xjShpSaveFileDialog.ShowDialog() == DialogResult.OK)
            {
                txt_ShpPath.Text = xjShpSaveFileDialog.FileName;
            }
        }


        //显示保存
        //检查数据和路径
        private bool Check()
        {
            if (txt_TxtPath.Text == "" || !File.Exists(txt_TxtPath.Text))
            {
                MessageBox.Show("数据无效，重选", "提示", MessageBoxButtons.OK);
                return false;
            }
            if (txt_ShpPath.Text == "" || System.IO.Path.GetExtension(txt_ShpPath.Text).ToLower() != ".shp")
            {
                MessageBox.Show("Shp矢量点保存路径无效，重选", "提示", MessageBoxButtons.OK);
                return false;
            }
            return true;
        }
        //结构体
        struct Point
        {
            public string Name;
            public double X;
            public double Y;
        }
        List<string> xjColumn = new List<string>();
        //获取点数据
        private List<Point> GetPoint(string surveyDataFullName)
        {
                List<Point> xjList = new List<Point>();
                char[] xjchar = new char[] { ',', ' ', '	' };  //常用的分隔符为逗号、空格、制位符
                //读取
                FileStream xjFileStream = new FileStream(surveyDataFullName, FileMode.Open);
                StreamReader xjStreamReader = new StreamReader(xjFileStream, Encoding.Default);
                string xjstringLine = xjStreamReader.ReadLine();
                if (xjstringLine != null)
                {
                    string[] xjstrArray = xjstringLine.Split(xjchar);
                    if (xjstrArray.Length > 0)
                    {
                        for (int i = 0; i < xjstrArray.Length; i++)
                        {
                            xjColumn.Add(xjstrArray[i]);
                        }
                    }

                    while ((xjstringLine = xjStreamReader.ReadLine()) != null)
                    {
                        //点信息的读取
                        xjstrArray = xjstringLine.Split(xjchar);
                        Point xjPoint = new Point();
                        xjPoint.Name = xjstrArray[0].Trim();
                        xjPoint.X = Convert.ToDouble(xjstrArray[1]);
                        xjPoint.Y = Convert.ToDouble(xjstrArray[2]);

                        xjList.Add(xjPoint);
                    }
                }
                else
                {
                    return null;
                }
                xjStreamReader.Close();
                return xjList;
            //catch (Exception ex)
            //{
            //    MessageBox.Show(ex.Message);
            //    return null;
            //}
        }
        //创建Shp矢量图层
        private IFeatureLayer CreateShpFromPoints(List<Point> xjPointList, string xjFilePath)
        {
            int index = xjFilePath.LastIndexOf('\');
            string xjFolder = xjFilePath.Substring(0, index);
            string xjShapeName = xjFilePath.Substring(index + 1);
            IWorkspaceFactory xjWsF = new ShapefileWorkspaceFactoryClass();
            IFeatureWorkspace xjFWs = (IFeatureWorkspace)xjWsF.OpenFromFile(xjFolder, 0);

            IFields xjFields = new FieldsClass();
            IFieldsEdit xjFieldsEdit;
            xjFieldsEdit = (IFieldsEdit)xjFields;

            IField xjField = new FieldClass();
            IFieldEdit xjFieldEdit = (IFieldEdit)xjField;
            xjFieldEdit.Name_2 = "Shape";
            xjFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
            IGeometryDef xjGeometryDef = new GeometryDefClass();
            IGeometryDefEdit xjGDefEdit = (IGeometryDefEdit)xjGeometryDef;
            xjGDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPoint;
            //定义坐标系
            ISpatialReferenceFactory pSRF = new SpatialReferenceEnvironmentClass();
            ISpatialReference pSpatialReference = pSRF.CreateProjectedCoordinateSystem((int)esriSRProjCS4Type.esriSRProjCS_Beijing1954_3_Degree_GK_CM_114E);
            xjGDefEdit.SpatialReference_2 = pSpatialReference;

            xjFieldEdit.GeometryDef_2 = xjGeometryDef;
            xjFieldsEdit.AddField(xjField);

            IFeatureClass xjFeatureClass;
            xjFeatureClass = xjFWs.CreateFeatureClass(xjShapeName, xjFields, null, null, esriFeatureType.esriFTSimple, "Shape", "");

            IPoint xjPoint = new PointClass();

            for (int j = 0; j < xjPointList.Count; j++)
            {

                xjPoint.X = xjPointList[j].X;
                xjPoint.Y = xjPointList[j].Y;

                IFeatureBuffer xjFeature = xjFeatureClass.CreateFeatureBuffer();
                IFeatureCursor featureCursor = xjFeatureClass.Insert(true);
                
                xjFeature.Shape = xjPoint;
                xjFeature.set_Value(xjFeature.Fields.FindField("id"), xjPointList[j].Name);
                featureCursor.InsertFeature(xjFeature); 
            }

            IFeatureLayer xjFeatureLayer = new FeatureLayerClass();
            xjFeatureLayer.Name = xjShapeName;
            xjFeatureLayer.FeatureClass = xjFeatureClass;
            return xjFeatureLayer;
        }
        //单击显示保存
        private void btn_ShowSave_Click(object sender, EventArgs e)
        {
            if (Check())
            {
                List<Point> xjPointList = GetPoint(txt_TxtPath.Text);
                if (xjPointList == null)
                {
                    MessageBox.Show("选择文件是空的！");
                }
                else
                {
                    IFeatureLayer pFeatureLayer = CreateShpFromPoints(xjPointList, txt_ShpPath.Text);
                    //MainForm.m_mapControl.Map.AddLayer(pFeatureLayer);
                }
            }
            MessageBox.Show("完成！");
        }
    }
}

Formtxt2shp.cs