From b6b0cb226fcf184525ee7b36af3a09471e9c0057 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期一, 25 三月 2024 11:29:33 +0800
Subject: [PATCH] 修改数据统计的查询条件

---
 src/main/java/com/lf/server/helper/GdbHelper.java |  106 ++++++++++++++++++++++++++++++++++++-----------------
 1 files changed, 72 insertions(+), 34 deletions(-)

diff --git a/src/main/java/com/lf/server/helper/GdbHelper.java b/src/main/java/com/lf/server/helper/GdbHelper.java
index 2483133..d11badd 100644
--- a/src/main/java/com/lf/server/helper/GdbHelper.java
+++ b/src/main/java/com/lf/server/helper/GdbHelper.java
@@ -1,6 +1,5 @@
 package com.lf.server.helper;
 
-import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.lf.server.entity.all.BaseGeoEntity;
 import com.lf.server.entity.all.StaticData;
 import com.lf.server.mapper.all.BasicMapper;
@@ -9,7 +8,9 @@
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.gdal.ogr.*;
+import org.gdal.osr.CoordinateTransformation;
 import org.gdal.osr.SpatialReference;
+import org.gdal.osr.osr;
 
 import java.lang.reflect.Field;
 import java.math.BigDecimal;
@@ -108,7 +109,7 @@
     /**
      * 璇诲彇鏁版嵁
      */
-    public static <T> List<T> readData(Class clazz, String filePath, String layerName) {
+    public static <T> List<T> readData(Class clazz, String filePath, String layerName, boolean isTransform) {
         List<T> list = new ArrayList<>();
 
         Driver driver = null;
@@ -128,7 +129,7 @@
             for (int i = 0, count = dataSource.GetLayerCount(); i < count; i++) {
                 Layer layer = dataSource.GetLayer(i);
                 if (layer.GetName().equals(layerName)) {
-                    GdbHelper.readLayer(clazz, layer, list);
+                    GdbHelper.readLayer(clazz, layer, list, isTransform);
                     break;
                 }
 
@@ -146,7 +147,7 @@
     /**
      * 璇诲彇鍥惧眰
      */
-    public static <T> void readLayer(Class clazz, Layer layer, List<T> list) {
+    public static <T> void readLayer(Class clazz, Layer layer, List<T> list, boolean isTransform) {
         try {
             Field gField = getGeomField(clazz);
 
@@ -156,6 +157,8 @@
                 return;
             }
 
+            CoordinateTransformation ct = getCoordinateTransformation(layer, isTransform);
+
             do {
                 Feature f = layer.GetNextFeature();
                 if (null == f) {
@@ -163,7 +166,7 @@
                 }
 
                 T t = (T) clazz.newInstance();
-                readFeature(t, f, map, gField);
+                readFeature(t, f, map, gField, ct);
                 list.add(t);
             } while (true);
         } catch (Exception ex) {
@@ -171,6 +174,33 @@
         } finally {
             GdbHelper.delete(layer);
         }
+    }
+
+    /**
+     * 鑾峰彇鍧愭爣杞崲鍣�
+     */
+    private static CoordinateTransformation getCoordinateTransformation(Layer layer, boolean isTransform) {
+        if (!isTransform) {
+            return null;
+        }
+
+        String epsg = layer.GetSpatialRef().GetAttrValue("AUTHORITY", 1);
+        if (StringHelper.isEmpty(epsg)) {
+            return null;
+        }
+
+        int epsgId = Integer.parseInt(epsg);
+        if (StaticData.I4326 == epsgId || StaticData.I4490 == epsgId) {
+            return null;
+        }
+
+        SpatialReference srTarget = new SpatialReference();
+        srTarget.ImportFromEPSG(StaticData.I4490);
+
+        layer.GetSpatialRef().SetAxisMappingStrategy(osr.OAMS_TRADITIONAL_GIS_ORDER);
+        srTarget.SetAxisMappingStrategy(osr.OAMS_TRADITIONAL_GIS_ORDER);
+
+        return CoordinateTransformation.CreateCoordinateTransformation(layer.GetSpatialRef(), srTarget);
     }
 
     /**
@@ -194,14 +224,13 @@
         try {
             FeatureDefn fd = layer.GetLayerDefn();
             for (int i = 0, count = fd.GetFieldCount(); i < count; i++) {
-                FieldDefn fieldDefn = fd.GetFieldDefn(i);
                 try {
-                    String name = fieldDefn.GetName().toLowerCase();
+                    String name = fd.GetFieldDefn(i).GetName().toLowerCase();
                     if (StaticData.READ_EXCLUDE_FIELDS.contains(name)) {
                         continue;
                     }
 
-                    Field field = clazz.getDeclaredField(name);
+                    Field field = clazz.getDeclaredField("gbcode".equals(name) ? "gb" : name);
                     field.setAccessible(true);
 
                     map.put(i, field);
@@ -214,14 +243,14 @@
                 getFieldMapper(clazz.getSuperclass(), layer, map);
             }
         } catch (Exception ex) {
-            //
+            log.error(ex);
         }
     }
 
     /**
      * 璇诲彇Feature
      */
-    private static <T> void readFeature(T t, Feature f, Map<Integer, Field> map, Field gField) {
+    private static <T> void readFeature(T t, Feature f, Map<Integer, Field> map, Field gField, CoordinateTransformation ct) {
         for (Integer i : map.keySet()) {
             try {
                 Field field = map.get(i);
@@ -232,7 +261,7 @@
         }
 
         if (null != gField) {
-            setGeom(t, f, gField);
+            setGeom(t, gField, f.GetGeometryRef(), ct);
         }
     }
 
@@ -258,10 +287,16 @@
                 field.set(t, f.GetFieldAsInteger(i));
                 break;
             case "java.sql.Timestamp":
-                field.set(t, getTimestamp(f, i));
+                Timestamp ts = getTimestamp(f, i);
+                if (null != ts) {
+                    field.set(t, ts);
+                }
                 break;
             case "java.time.LocalDate":
-                field.set(t, getLocalDate(f, i));
+                LocalDate ld = getLocalDate(f, i);
+                if (null != ld) {
+                    field.set(t, ld);
+                }
                 break;
             default:
                 field.set(t, f.GetFieldAsString(i));
@@ -283,29 +318,32 @@
      * wkbNone = 100,
      * wkbLinearRing = 101
      */
-    private static <T> void setGeom(T t, Feature f, Field gField) {
+    private static <T> void setGeom(T t, Field gField, Geometry geometry, CoordinateTransformation ct) {
         try {
-            String geo = "null";
-            if (null != f.GetGeometryRef()) {
-                String wkt = f.GetGeometryRef().ExportToWkt();
-                // noinspection AlibabaRemoveCommentedCode
-                switch (f.GetGeometryRef().GetGeometryType()) {
-                    //case 1:
-                    //    wkt = wkt.replace("POINT", "MULTIPOINT");
-                    //    break;
-                    case 2:
-                        wkt = wkt.replace("LINESTRING (", "MULTILINESTRING ((") + ")";
-                        break;
-                    case 3:
-                        wkt = wkt.replace("POLYGON (", "MULTIPOLYGON ((") + ")";
-                        break;
-                    default:
-                        break;
-                }
-                geo = String.format("ST_GeomFromText('%s')", wkt);
+            if (null == geometry) {
+                gField.set(t, "null");
+                return;
+            }
+            if (null != ct) {
+                int flag = geometry.Transform(ct);
             }
 
-            gField.set(t, geo);
+            String wkt = geometry.ExportToWkt();
+            if (wkt.contains(StaticData.LINESTRING) && !wkt.contains(StaticData.MULTILINESTRING)) {
+                wkt = wkt.replace("LINESTRING (", "MULTILINESTRING ((") + ")";
+            }
+            if (wkt.contains(StaticData.POLYGON) && !wkt.contains(StaticData.MULTIPOLYGON)) {
+                wkt = wkt.replace("POLYGON (", "MULTIPOLYGON ((") + ")";
+            }
+            wkt = wkt.replace(" 0,", ",").replace(" 0)", ")");
+            if (wkt.contains(StaticData.MULTICURVE)) {
+                wkt = wkt.replace("MULTICURVE (", "MULTILINESTRING (").replace("CIRCULARSTRING ", "");
+                if (wkt.contains(StaticData.COMPOUNDCURVE)) {
+                    wkt = wkt.replace("COMPOUNDCURVE (", "").replace(")))", "))");
+                }
+            }
+
+            gField.set(t, String.format("ST_GeomFromText('%s')", wkt));
         } catch (Exception ex) {
             log.error(ex.getMessage(), ex);
         }
@@ -440,7 +478,7 @@
         SpatialReference sr = new SpatialReference();
         sr.ImportFromEPSG(null == srid ? 4490 : srid);
 
-        return dataSource.CreateLayer(tab, sr, getGeomType(geomType), null);
+        return dataSource.CreateLayer(tab.replace(".", "_"), sr, getGeomType(geomType), null);
     }
 
     /**

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