1

13693261870

2022-11-23 2d2d9138fbe5c9c43f070be59a2d10f18fbf4c3b

 src/main/java/com/lf/server/helper/GdbHelper.java

@@ -21,6 +21,13 @@
public class GdbHelper {
    private final static Log log = LogFactory.getLog(GdbHelper.class);

    public static List<String> excludeFields = new ArrayList<String>();

    static {
        excludeFields.add("gid");
        excludeFields.add("shape_leng");
    }

    /**
     * 获取表名
     */
@@ -28,11 +35,15 @@
        List<String> list = new ArrayList<>();
        try {
            org.gdal.ogr.Driver driver = ogr.GetDriverByName("OpenFileGDB");
            if (driver == null) {
            if (null == driver) {
                return list;
            }

            DataSource dataSource = driver.Open(filePath, 0);
            if (null == dataSource) {
                return list;
            }

            for (int i = 0, count = dataSource.GetLayerCount(); i < count; i++) {
                Layer layer = dataSource.GetLayer(i);
                list.add(layer.GetName());
@@ -40,6 +51,7 @@
                layer.delete();
            }

            dataSource.delete();
            driver.delete();
        } catch (Exception ex) {
            log.error(ex.getMessage(), ex);
@@ -55,11 +67,15 @@
        List<T> list = new ArrayList<>();
        try {
            org.gdal.ogr.Driver driver = ogr.GetDriverByName("OpenFileGDB");
            if (driver == null) {
            if (null == driver) {
                return list;
            }

            DataSource dataSource = driver.Open(filePath, 0);
            if (null == dataSource) {
                return list;
            }

            for (int i = 0, count = dataSource.GetLayerCount(); i < count; i++) {
                Layer layer = dataSource.GetLayer(i);

@@ -71,6 +87,7 @@
                layer.delete();
            }

            dataSource.delete();
            driver.delete();
        } catch (Exception ex) {
            log.error(ex.getMessage(), ex);
@@ -87,6 +104,9 @@
            Field gField = getGeomField(clazz);
            Map<Integer, Field> map = getFieldMapper(clazz, layer);
            if (map.size() == 0) {
                return;
            }
            if (1 > layer.GetFeatureCount()) {
                return;
            }

@@ -135,7 +155,12 @@
            for (int i = 0, count = fd.GetFieldCount(); i < count; i++) {
                FieldDefn fieldDefn = fd.GetFieldDefn(i);
                try {
                    Field field = clazz.getDeclaredField(fieldDefn.GetName().toLowerCase());
                    String name = fieldDefn.GetName().toLowerCase();
                    if (excludeFields.contains(name)){
                        continue;
                    }

                    Field field = clazz.getDeclaredField(name);
                    field.setAccessible(true);

                    map.put(i, field);
@@ -199,11 +224,34 @@

    /**
     * 设置 geom 字段值
     * <p>
     * wkbUnknown = 0,
     * wkbPoint = 1,
     * wkbLineString = 2,
     * wkbPolygon = 3,
     * wkbMultiPoint = 4,
     * wkbMultiLineString = 5,
     * wkbMultiPolygon = 6,
     * wkbGeometryCollection = 7,
     * wkbNone = 100,
     * wkbLinearRing = 101
     */
    private static <T> void setGeom(T t, Feature f, Field gField) throws Exception {
        Geometry geometry = f.GetGeometryRef();
        if (null != geometry) {
            gField.set(t, geometry.ExportToWkt());
            String wkt = geometry.ExportToWkt();
            switch (geometry.GetGeometryType()) {
                case 2:
                    wkt = wkt.replace("LINESTRING (", "MULTILINESTRING ((") + ")";
                    break;
                case 3:
                    wkt = wkt.replace("POLYGON (", "MULTIPOLYGON ((") + ")";
                    break;
                default:
                    break;
            }

            gField.set(t, String.format("ST_GeomFromText('%s')", wkt));
        }
    }