python获得坐标系信息

# -*- coding: cp936 -*-
#############################################################

import arcpy

import os

from arcpy import env

import math

env.overwriteOutput = True

shp_sheet = arcpy.GetParameterAsText(0)
sr = arcpy.Describe(shp_sheet).spatialReference
arcpy.AddMessage("sr.type："+sr.type)
arcpy.AddMessage("sr.datumName："+sr.datumName)
arcpy.AddMessage("sr.name："+sr.name)
arcpy.AddMessage("sr.PCSCode："+str(sr.PCSCode))
arcpy.AddMessage("sr.PCSName："+sr.PCSName)
arcpy.AddMessage("sr.projectionName："+sr.projectionName)
arcpy.AddMessage("sr.projectionCode："+str(sr.projectionCode))
arcpy.AddMessage("sr.GCSCode："+str(sr.GCSCode))
arcpy.AddMessage("sr.GCSName："+sr.GCSName)
arcpy.AddMessage("sr.spheroidName："+sr.spheroidName)
arcpy.AddMessage("sr.type："+sr.type)