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 | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 52 insertions(+), 4 deletions(-)
diff --git a/src/main/java/com/lf/server/helper/GdbHelper.java b/src/main/java/com/lf/server/helper/GdbHelper.java
index a70f1a0..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;
}
@@ -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 @@
/**
* 璁剧疆 geom 瀛楁鍊�
+ * <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));
}
}
--
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