2022.02.23 合并前

@@ -211,7 +211,6 @@ class Api(ApiTemplate):
             pg_ds.Destroy()
 
         project_xml = xml.strip()
-        print(project_xml)
         return str(base64.b64encode(project_xml.encode('utf-8')), encoding="utf8")
 
     def register_table(self, layer: Layer,para):

@@ -156,4 +156,6 @@ class ProjectFile:
                                                     )
 
         project_xml = project_xml.strip()
+        # StructurePrint().print(project_xml)
+        # StructurePrint().print(str(base64.b64encode(project_xml.encode('utf-8')), encoding="utf8"))
         return str(base64.b64encode(project_xml.encode('utf-8')), encoding="utf8")
\ No newline at end of file

+# coding=utf-8
+#author:        4N
+#createtime:    2022/2/23
+#email:         nheweijun@sina.com
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker,Session
+from osgeo import ogr
+from osgeo.ogr import *
+
+class Migration():
+
+    dmap_dms_ds = None
+    dmap_server_ds = None
+    dmap_manager_ds = None
+
+    def __init__(self,dmap_dms_db,dmap_server_db,dmap_manager_db):
+
+        self.dmap_dms_ds : DataSource = self.open_pg_data_source(dmap_dms_db)
+        self.dmap_server_ds: DataSource = self.open_pg_data_source(dmap_server_db)
+        self.dmap_manager_ds: DataSource = self.open_pg_data_source(dmap_manager_db)
+
+
+
+    def process(self):
+        self.dmap_dms_migration()
+        self.dmap_server_migration()
+
+
+
+    def dmap_dms_migration(self):
+
+        database:Layer = self.dmap_dms_ds.ExecuteSQL('select * from "dmdms_database" ')
+
+
+        self.dmap_manager_ds.CopyLayer(database,"dmap_database",["OVERWRITE=YES"])
+
+
+
+
+    def dmap_server_migration(self):
+
+        pass
+
+
+    def end(self):
+
+        if self.dmap_dms_ds:
+            self.dmap_dms_ds.Destroy()
+        if self.dmap_server_ds:
+            self.dmap_server_ds.Destroy()
+        if self.dmap_manager_ds:
+            self.dmap_manager_ds.Destroy()
+
+
+    def open_pg_data_source(self,uri):
+        """
+        # 获取PostGIS数据源
+        :return:
+        """
+        db_conn_tuple = self.get_info_from_sqlachemy_uri(uri)
+        fn = "PG: user=%s password=%s host=%s port=%s dbname=%s " % db_conn_tuple
+        driver = ogr.GetDriverByName("PostgreSQL")
+        if driver is None:
+            raise Exception("打开PostgreSQL驱动失败，可能是当前GDAL未支持PostgreSQL驱动！")
+        ds = driver.Open(fn, 1)
+        if ds is None:
+            raise Exception("打开数据源失败！")
+        return ds
+
+    def get_info_from_sqlachemy_uri(self,uri):
+        parts = uri.split(":")
+        user = parts[1][2:]
+
+        password_list = parts[2].split("@")
+        if password_list.__len__() > 2:
+            password = "@".join(password_list[:-1])
+        else:
+            password = parts[2].split("@")[0]
+        host = parts[2].split("@")[-1]
+        port = parts[3].split("/")[0]
+        database = parts[3].split("/")[1]
+
+        return user, password, host, port, database
+
+if __name__ == '__main__':
+
+    dmap_dms_db = "postgresql://postgres:chinadci@172.26.60.100:5432/dmap_dms"
+    dmap_server_db = "postgresql://postgres:chinadci@172.26.60.100:5432/DmapServer"
+    dmap_manager_db = "postgresql://postgres:chinadci@172.26.60.100:5432/migration"
+
+    migration = Migration(dmap_dms_db,dmap_server_db,dmap_manager_db)
+    migration.process()
+    migration.end()
\ No newline at end of file

@@ -41,6 +41,9 @@ outLayer=None
 
 for feat in layer:
     geo:Geometry=feat.GetGeometryRef()
+
+
+
     extent = geo.GetEnvelope()
     points = []
     i=0

+
+from osgeo import ogr
+
+def envelop_2_polygon(env):
+    ring = ogr.Geometry(ogr.wkbLinearRing)
+    ring.AddPoint(env[0], env[2])
+    ring.AddPoint(env[0], env[3])
+    ring.AddPoint(env[1], env[3])
+    ring.AddPoint(env[1], env[2])
+    ring.AddPoint(env[0], env[2])
+    # Create polygon
+    poly = ogr.Geometry(ogr.wkbPolygon)
+    poly.AddGeometry(ring)
+    return poly
+
+
+env = [1,3,1,3]
+
+poly = envelop_2_polygon(env)
+line =  ogr.Geometry(ogr.wkbLineString)
+line.AddPoint(0, 2)
+line.AddPoint(4, 2)
+line.AddPoint(5, 2)
+
+print(poly)
+print(line)
+print(line.Simplify(1))
\ No newline at end of file