From 2d2d9138fbe5c9c43f070be59a2d10f18fbf4c3b Mon Sep 17 00:00:00 2001 From: 13693261870 <252740454@qq.com> Date: 星期三, 23 十一月 2022 09:05:06 +0800 Subject: [PATCH] 1 --- src/main/java/com/lf/server/helper/GdbHelper.java | 32 ++++++++++++++++++++++++++------ 1 files changed, 26 insertions(+), 6 deletions(-) diff --git a/src/main/java/com/lf/server/helper/GdbHelper.java b/src/main/java/com/lf/server/helper/GdbHelper.java index fdda98f..48d1d14 100644 --- a/src/main/java/com/lf/server/helper/GdbHelper.java +++ b/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"); + } + /** * 鑾峰彇琛ㄥ悕 */ @@ -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; } @@ -136,7 +156,7 @@ FieldDefn fieldDefn = fd.GetFieldDefn(i); try { String name = fieldDefn.GetName().toLowerCase(); - if ("gid".equals(name)) { + if (excludeFields.contains(name)){ continue; } @@ -204,7 +224,7 @@ /** * 璁剧疆 geom 瀛楁鍊� - * + * <p> * wkbUnknown = 0, * wkbPoint = 1, * wkbLineString = 2, @@ -222,10 +242,10 @@ String wkt = geometry.ExportToWkt(); switch (geometry.GetGeometryType()) { case 2: - wkt = wkt.replace("LINESTRING (", "MultiLINESTRING ((") + ")"; + wkt = wkt.replace("LINESTRING (", "MULTILINESTRING ((") + ")"; break; case 3: - wkt = wkt.replace("POLYGON (", "LINESTRINGPOLYGON ((") + ")"; + wkt = wkt.replace("POLYGON (", "MULTIPOLYGON ((") + ")"; break; default: break; -- Gitblit v1.9.3