python2 做列表循环

貌似python3有 dict.keys()的用法

values_cnt = {}
percent_cnt={}
with arcpy.da.SearchCursor(fc, self.filed) as cursor:
    for row in cursor:
        f_value.append(row[0])
    for value in f_value:
        values_cnt[value] = values_cnt.get(value, 0) + 1

python2对中文支持太垃圾了...

with open(self.file_save_dir.decode('utf-8'), 'w+') as f:

 

防止乱码，另外，Unicode u'**'

utf-8 '\xe5 \b7'

gbk \bpa \xae