From d692b45b22f985aff4635a5bb8b8958ae9bcd6dd Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期五, 21 十月 2022 17:50:09 +0800
Subject: [PATCH] 1
---
src/main/java/com/lf/server/helper/GdalHelper.java | 36 +++++++++++++++++++++++++++++++++++-
1 files changed, 35 insertions(+), 1 deletions(-)
diff --git a/src/main/java/com/lf/server/helper/GdalHelper.java b/src/main/java/com/lf/server/helper/GdalHelper.java
index d8df6fe..c4e7e46 100644
--- a/src/main/java/com/lf/server/helper/GdalHelper.java
+++ b/src/main/java/com/lf/server/helper/GdalHelper.java
@@ -1,5 +1,6 @@
package com.lf.server.helper;
+import com.lf.server.entity.ctrl.ShpRecordEntity;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.gdal.gdal.Band;
@@ -41,6 +42,39 @@
// 涓轰簡浣垮睘鎬ц〃瀛楁鏀寔涓枃锛岃娣诲姞涓嬮潰杩欏彞锛欳P936
gdal.SetConfigOption("SHAPE_ENCODING", "");
+ }
+
+ /**
+ * 鑾峰彇Shp绗竴鏉¤褰曠殑WKT
+ */
+ public static ShpRecordEntity readShpFirstRecord(String filePath) {
+ try {
+ org.gdal.ogr.Driver driver = ogr.GetDriverByName("ESRI shapefile");
+ if (driver == null) {
+ return null;
+ }
+
+ DataSource dataSource = driver.Open(filePath);
+ Layer layer = dataSource.GetLayer(0);
+ if (layer.GetFeatureCount() < 1) {
+ return null;
+ }
+
+ SpatialReference spatialReference = layer.GetSpatialRef();
+ String csid = spatialReference.GetAttrValue("AUTHORITY", 1);
+
+ Feature feature = layer.GetFeature(0);
+ String wkt = feature.GetGeometryRef().ExportToWkt();
+
+ layer.delete();
+ dataSource.delete();
+ driver.delete();
+
+ return new ShpRecordEntity(wkt, csid);
+ } catch (Exception ex) {
+ ex.printStackTrace();
+ return null;
+ }
}
/**
@@ -275,7 +309,7 @@
return propertyGetter.get(feature, index);
} catch (Exception ex) {
// ex.printStackTrace()
- log.error(ex.getMessage() + ex.getStackTrace() + "\n");
+ log.error(ex.getMessage(), ex);
return null;
}
--
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