Java用GDAL读写shapefile的方法示例

import org.gdal.ogr.*;
import org.gdal.ogr.Driver;
import org.gdal.gdal.*;

public class GdalShpTest {
 public static void main(String[] args) {
  // 注册所有的驱动
  ogr.RegisterAll();
  // 为了支持中文路径，请添加下面这句代码
  gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8","YES");
  // 为了使属性表字段支持中文，请添加下面这句
  gdal.SetConfigOption("SHAPE_ENCODING","");

  String strVectorFile = "D:\\test\\NODE.shp";
  //打开文件
  DataSource ds = ogr.Open(strVectorFile,0);
  if (ds == null)
  {
   System.out.println("打开文件失败！" );
   return;
  }
  System.out.println("打开文件成功！" );
  Driver dv = ogr.GetDriverByName("GeoJSON");
  if (dv == null)
  {
   System.out.println("打开驱动失败！" );
   return;
  }
  System.out.println("打开驱动成功！" );
  dv.CopyDataSource(ds, "D:\\test\\node.json");
  System.out.println("转换成功！" );
 }
}

import org.gdal.ogr.*;
import org.gdal.gdal.*;
class writeShp2 {
 public static void main(String[] args) {
  writeShp2 readshpObj = new writeShp2();
  readshpObj.WriteVectorFile();
 }

 static void WriteVectorFile() {
  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 = new Feature(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 = new Feature(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 = new Feature(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");
 }
}