layerName="Export_Output9"
arcpy.AddField_management(layerName,"DKBH","TEXT","","",50)
arcpy.AddField_management(layerName,"YDMJ","TEXT","","",50)
arcpy.AddField_management(layerName,"RJL","TEXT","","",50)
arcpy.AddField_management(layerName,"JZMD","TEXT","","",50)
arcpy.AddField_management(layerName,"JZXG","TEXT","","",50)
arcpy.AddField_management(layerName,"BZ","TEXT","","",50)