arcpy 中对选中要素属性的修改

arcpy 中对选中要素属性的修改

mxd = arcpy.mapping.MapDocument("CURRENT")
layer = arcpy.mapping.ListLayers(mxd)

layer = arcpy.ListFeatureClasses()
sel = Layer.getSelectionSet()

def test(): 
     with arcpy.da.UpdateCursor(layer,"*") as cursor:
         cntr = 1
         for row in cursor:
             row[2] = 1    #row 选中要素的属性集
             print row[2] 
             cntr = cntr + 1
             cursor.updateRow(row) #修改后更新属性集

除去数字以外字符

import re
def reps( nae ):
  return re.sub(r'\D', '', nae)

import re

def reps( nae ):
 
  return re.sub(r'^([0-9]{4})$' , nae + '00', nae)