输出投影信息

 from osgeo import ogr, osr
driver = ogr.GetDriverByName('ESRI Shapefile')
dataset = driver.Open(r'c:\data\yourshpfile.shp')
layer = dataset.GetLayer()
spatialRef = layer.GetSpatialRef()

spatialRef.ExportToWkt()
spatialRef.ExportToPrettyWkt()
spatialRef.ExportToPCI()
spatialRef.ExportToUSGS()
spatialRef.ExportToXML()