gdal java shp_Java 使用GDAL 读写 shapefile

import org.gdal.ogr.*;

import org.gdal.gdal.*;classwriteShp2 {public static voidmain(String[] args) {

writeShp2 readshpObj= newwriteShp2();

readshpObj.WriteVectorFile();

}static voidWriteVectorFile() {

String strVectorFile= "D:\test\test.shp";

ogr.RegisterAll();

gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "NO");

gdal.SetConfigOption("SHAPE_ENCODING", "CP936");

String strDriverName= "ESRI Shapefile";

org.gdal.ogr.Driver oDriver=ogr.GetDriverByName(strDriverName);if (oDriver == null) {

System.out.println(strVectorFile + "驱动不可用！n");return;

}

DataSource oDS= oDriver.CreateDataSource(strVectorFile, null);if (oDS == null) {

System.out.println("创建矢量文件【" + strVectorFile + "】失败！n");return;

}

Layer oLayer= oDS.CreateLayer("TestPolygon", null, ogr.wkbPolygon, null);if (oLayer == null) {

System.out.println("图层创建失败！n");return;

}//下面创建属性表//先创建一个叫FieldID的整型属性

FieldDefn oFieldID = new FieldDefn("FieldID", ogr.OFTInteger);

oLayer.CreateField(oFieldID);//再创建一个叫FeatureName的字符型属性，字符长度为50

FieldDefn oFieldName = new FieldDefn("FieldName", ogr.OFTString);

oFieldName.SetWidth(100);

oLayer.CreateField(oFieldName);

FeatureDefn oDefn=oLayer.GetLayerDefn();//创建三角形要素

Feature oFeatureTriangle = newFeature(oDefn);

oFeatureTriangle.SetField(0, 0);

oFeatureTriangle.SetField(1, "三角形");

Geometry geomTriangle= Geometry.CreateFromWkt("POLYGON ((0 0,20 0,10 15,0 0))");

oFeatureTriangle.SetGeometry(geomTriangle);

oLayer.CreateFeature(oFeatureTriangle);//创建矩形要素

Feature oFeatureRectangle = newFeature(oDefn);

oFeatureRectangle.SetField(0, 1);

oFeatureRectangle.SetField(1, "矩形");

Geometry geomRectangle= Geometry.CreateFromWkt("POLYGON ((30 0,60 0,60 30,30 30,30 0))");

oFeatureRectangle.SetGeometry(geomRectangle);

oLayer.CreateFeature(oFeatureRectangle);//创建五角形要素

Feature oFeaturePentagon = newFeature(oDefn);

oFeaturePentagon.SetField(0, 2);

oFeaturePentagon.SetField(1, "五角形");

Geometry geomPentagon= Geometry.CreateFromWkt("POLYGON ((70 0,85 0,90 15,80 30,65 15,70 0))");

oFeaturePentagon.SetGeometry(geomPentagon);

oLayer.CreateFeature(oFeaturePentagon);

oDS.SyncToDisk();

System.out.println("n数据集创建完成！n");

}

}