arcpy对图层别名更新

>>> gdb1=r'f:\111成果.gdb'
>>> arcpy.env.workspace=gdb1
>>> ds1=arcpy.ListDatasets()
>>> for i in ds1:
...     fcs=arcpy.ListFeatureClasses(feature_dataset=i)
...     for j in fcs:
...         alias=arcpy.Describe(j).aliasName
...         print alias
...         break
...         
登记单元
地籍区
测量控制点
国土空间规划分区
国土空间规划要素
行政区
不动产信息关联点
审批单元范围
地类图斑
集体土地所有权
草原资源调查
草原资源斑块
数字航空正射影像图
>>> dic1={}
>>> for i in ds1:
...     fcs=arcpy.ListFeatureClasses(feature_dataset=i)
...     for j in fcs:
...         alias=arcpy.Describe(j).aliasName
...         dic1[j]=alias
...         
>>> gdb2=r'E:\xxx\gck222.gdb'
>>> arcpy.env.workspace=gdb2
>>> ds2=arcpy.ListDatasets()
>>> for i in ds2:
...     fcs2=arcpy.ListFeatureClasses(feature_dataset=i)
...     for j in fcs2:
...         if dic1.has_key(j):
...             arcpy.AlterAliasName(j,dic1[j])
...             
>>>