日志

py插入postgres数据库代码示例 def saveToPostgis(feats,remarks): # 连接数据库 conn = psycopg2.connect(database='postgis_21_sample', user='postgres', password='postgres', host='192.168.1.100', port='5432') curs = conn.cursor() # 编辑写入数据的sql # xy =.

pyqgis开发记录，矢量图层设置无填充颜色 layer = QgsVectorLayer('polygon?crs=epsg:4326&field=id:integer&field=wgbh:string(32)', layername, 'memory')#LineString # pr = layer.dataProvider() self.arrLayers.append(layer)