1 if (kclswjPath == null || kclswjPath == string.Empty)
2 {
3 MessageBox.Show("请选择卡车流水文件");
4 }
5
6 if (!File.Exists(kclswjPath))
7 {
8 MessageBox.Show("卡车流水文件不存在");
9 }
10
11 string GpsShpName;
12 string GpsShpFolder;
13 int i = gpsShpFullName.LastIndexOf('\\');
14 GpsShpName = gpsShpFullName.Substring(i + 1);
15 GpsShpFolder = gpsShpFullName.Substring(0, i);
16 frmMap frmM = new frmMap();
17 IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactory();
18 IFeatureWorkspace pFeatureWorkspace = (IFeatureWorkspace)pWorkspaceFactory.OpenFromFile(GpsShpFolder, 0);
19 ISpatialReference pSpatialReference = frmM.axMapControl1.ActiveView.FocusMap.SpatialReference;
20 IFeatureClass pFeatureClass;
21
22 if (File.Exists(gpsShpFullName))
23 {
24 pFeatureClass = pFeatureWorkspace.OpenFeatureClass(GpsShpName);
25 IDataset pDataset = (IDataset)pFeatureClass;
26 pDataset.Delete();
27 }
28
29 //创建字段
30 IFields pFields = new FieldsClass();
31 IFieldsEdit pFieldsEdit = (IFieldsEdit)pFields;
32
33 IField pField = new FieldClass();
34 IFieldEdit pFieldEdit = (IFieldEdit)pField;
35 pFieldEdit.Name_2 = "SHAPE";
36 pFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
37 IGeometryDefEdit pGeoDef = new GeometryDefClass();
38 IGeometryDefEdit pGeoDefEdit = (IGeometryDefEdit)pGeoDef;
39 pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPoint;
40 pGeoDefEdit.SpatialReference_2 = pSpatialReference; //new UnknownCoordinateSystemClass();
41 pFieldEdit.GeometryDef_2 = pGeoDef;
42 pFieldsEdit.AddField(pField);
43
44 pField = new FieldClass();
45 pFieldEdit = (IFieldEdit)pField;
46 pFieldEdit.Name_2 = "记录顺序";
47 pFieldEdit.Type_2 = esriFieldType.esriFieldTypeString;
48 pFieldsEdit.AddField(pField);
49
50 pField = new FieldClass();
51 pFieldEdit = (IFieldEdit)pField;
52 pFieldEdit.Name_2 = "X";
53 pFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
54 pFieldsEdit.AddField(pField);
55
56 pField = new FieldClass();
57 pFieldEdit = (IFieldEdit)pField;
58 pFieldEdit.Name_2 = "Y";
59 pFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
60 pFieldsEdit.AddField(pField);
61
63 pFeatureClass = pFeatureWorkspace.CreateFeatureClass(GpsShpName, pFields, null, null, esriFeatureType.esriFTSimple, "SHAPE", "");
64
65 string jlsx;
66 double dx;
67 double dy;
68 IPoint pPoint = new PointClass();
69 //IPointArray pPointList = new PointArrayClass();
70
71 int j = kclswjPath.LastIndexOf('\\');
72 string kclswjName = kclswjPath.Substring(j + 1);
73
74 DataTable dt = new DataTable();
75 dt = new ReadStream().GetTruck(kclswjName);
76
77
78 for (int k = 0; k < dt.Rows.Count; k++)
79 {
80 jlsx = dt.Rows[k][0].ToString().Trim();
81 dx = Convert.ToDouble(dt.Rows[k][16].ToString().Trim());
82 dy = Convert.ToDouble(dt.Rows[k][17].ToString().Trim());
83
84 pPoint.X = dx;
85 pPoint.Y = dy;
86
87 IFeatureBuffer pFeatureBuffer = pFeatureClass.CreateFeatureBuffer();
88 IFeatureCursor pFeatureCursor = pFeatureClass.Insert(true);
89 //IPoint p = new PointClass();
90 pFeatureBuffer.Shape = pPoint;
91 pFeatureBuffer.set_Value(pFeatureBuffer.Fields.FindField("记录顺序"), jlsx.ToString());
92 pFeatureBuffer.set_Value(pFeatureBuffer.Fields.FindField("X"), dx.ToString());
93 pFeatureBuffer.set_Value(pFeatureBuffer.Fields.FindField("Y"), dy.ToString());
94 pFeatureCursor.InsertFeature(pFeatureBuffer);
95
96 }
97
98
99
100
101 IWorkspaceFactoryLockControl ipWsFactoryLock = (IWorkspaceFactoryLockControl)pWorkspaceFactory;
102 if (ipWsFactoryLock.SchemaLockingEnabled)
103 {
104 ipWsFactoryLock.DisableSchemaLocking();
105 }
106 IFeatureLayer pFeaturelayer = new FeatureLayerClass();
107 pFeaturelayer.FeatureClass = pFeatureClass;
108 pFeaturelayer.Name = GpsShpName;
109 frmM.axMapControl1.AddLayer(pFeaturelayer);
110 frmM.axMapControl1.Refresh();
刚开始参考zkcharge大神的用IFeature添加点，可是数据量太大，效率非常低，后来找到IFeatureBuffer,不到5分钟就可以搞定12万条数据的读取，初学AE开发，希望多多关照，和大家共同进步。