From 166d2ad42c652c938b754cf2407770c752322b95 Mon Sep 17 00:00:00 2001
From: zrj <646384940@qq.com>
Date: Sat, 09 Nov 2024 12:09:17 +0800
Subject: [PATCH] 应急空间统计修改，风险源统计修改
---
src/main/java/org/springblade/common/utils/ShapeFileUtil.java | 96 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 96 insertions(+), 0 deletions(-)
diff --git a/src/main/java/org/springblade/common/utils/ShapeFileUtil.java b/src/main/java/org/springblade/common/utils/ShapeFileUtil.java
index 3dd65ac..a77cf8d 100644
--- a/src/main/java/org/springblade/common/utils/ShapeFileUtil.java
+++ b/src/main/java/org/springblade/common/utils/ShapeFileUtil.java
@@ -135,6 +135,102 @@
}
/**
+ * 导出shp文件
+ *
+ * @param map 属性列表{属性名：属性值}
+ * @param fileName 导出shp文件名
+ * @param geomType geometry类型
+ * @param saveFolder 导出位置
+ */
+ public static void exportShp(Map<String, Object> map,
+ String fileName,
+ String geomType,
+ String saveFolder) {
+ String path = saveFolder + "/" + fileName;
+ //创建保存shp文件夹
+ File dir = new File(path);
+ if (!dir.exists()) {
+ FileUtil.mkdir(dir);
+ }
+ //shp文件路径
+ String shpFileName = fileName + ".shp";
+ String fileUrl = path+ "/" + shpFileName;
+ File file = new File(fileUrl);
+
+ FeatureWriter<SimpleFeatureType, SimpleFeature> writer = null;
+ ShapefileDataStore ds = null;
+ try {
+ Map<String, Serializable> params = new HashMap<>();
+ params.put(ShapefileDataStoreFactory.URLP.key, file.toURI().toURL());
+ ds = (ShapefileDataStore) new ShapefileDataStoreFactory().createNewDataStore(params);
+
+ //定义图形信息和属性信息
+ SimpleFeatureTypeBuilder tb = new SimpleFeatureTypeBuilder();
+ //设置坐标系
+ CoordinateReferenceSystem crs84 = CRS.decode("EPSG:4326", true);
+ tb.setCRS(crs84);
+ //设置文件名
+ tb.setName(fileName);
+
+ //定义导出shp文件地块属性名称
+ String geomProperty = "the_geom";
+ String idProperty = "ID";
+ String nameProperty = "name";
+
+ //设置图形类型
+ if ("Polygon".equals(geomType)) {
+ tb.add(geomProperty, Polygon.class);
+ } else if ("MultiPolygon".equals(geomType)) {
+ tb.add(geomProperty, MultiPolygon.class);
+ } else if ("Point".equals(geomType)) {
+ tb.add(geomProperty, Point.class);
+ } else if ("MultiPoint".equals(geomType)) {
+ tb.add(geomProperty, MultiPoint.class);
+ } else if ("LineString".equals(geomType)) {
+ tb.add(geomProperty, LineString.class);
+ } else if ("MultiLineString".equals(geomType)) {
+ tb.add(geomProperty, MultiLineString.class);
+ } else {
+ throw new ServiceException("Geometry中没有该类型：" + geomType);
+ }
+ //设置对应属性类型
+ tb.add(idProperty, String.class);
+ tb.add(nameProperty, String.class);
+
+ //设置默认geometry
+ tb.setDefaultGeometry(geomProperty);
+ //创建
+ ds.createSchema(tb.buildFeatureType());
+ ds.setCharset(StandardCharsets.UTF_8);
+
+ //设置Writer
+ writer = ds.getFeatureWriter(ds.getTypeNames()[0],
+ Transaction.AUTO_COMMIT);
+ SimpleFeature feature;
+ feature = writer.next();
+ //属性赋值 geometry要赋值wkt格式的
+ feature.setAttribute(geomProperty, new WKTReader().read((MapUtil.getStr(map, "geometry"))));
+ feature.setAttribute(idProperty, MapUtil.getStr(map, idProperty));
+ feature.setAttribute(nameProperty, MapUtil.getStr(map, nameProperty));
+ writer.write();
+ } catch (IOException | FactoryException | ParseException e) {
+ e.printStackTrace();
+ } finally {
+ //关闭相关流
+ try {
+ if (writer != null) {
+ writer.close();
+ }
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ if (ds != null) {
+ ds.dispose();
+ }
+ }
+ }
+
+ /**
* 将文件解压
* @param zipFile
* @return
--
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