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基于Python的身份证号码自动生成程序

Jun 06, 2016 am 11:32 AM
python identification number

需求细化:

1.身份证必须能够通过身份证校验程序。

2.通过查询,发现身份证号码是有国家标准的,标准号为 GB 11643-1999 可以从百度下载到这个文档

下载:GB11643-1999sfz(bitsCN.com).rar

现行身份证号为18位,分别为6位地址码,8位生日,3位顺序码,一位校验码。具体例子可见下图。

 

  前六位也是国家标准,GB2260-2007。吐槽一下,国标竟然没有一个网站供全面检索和免费下载。。。还好国家统计局有这些公开数据。可以从统计数据-》统计标准-》行政区划代码页面内找到最新数据:http://www.stats.gov.cn/tjsj/tjbz/xzqhdm/201401/t20140116_501070.html (这个网页上的数据可能会旧)

出生年月日是8位

顺序码是3位,男生末尾为基数,女生末尾为偶数。

最后一位是校验码。校验算法其实后面有很多数学道理,这里给出最简单的公式:

前17位数字每一位有一个权重值

将第i位上的权重值记作Wi,Wi的值为 7 9 10 5 8 4 2 1 6 3 7 9 10 5 8 4 2

将身份证第i位的数字记作Ai

则使用下列公式算出一个数

S= Sum(Ai*Wi) mod 11 ------------- Sum(Ai*Wi) 取11的模。

这样S的取值如下表:

对每一个S做一个映射 Y,这样就有如下的表

S:0 1 2 3 4 5 6 7 8 9 10
Y:1 0 X 9 8 7 6 5 4 3 2

Y就是最终的校验码。

原型实现过程:

1.获取区域规划码的list,并读入一个dictionary的list中。dictionary结构如下:

{"state":河北省,"city":沧州市,"district":运河区,"code":130903}

丑陋的原型如下: 

def getdistrictcode():
  with open('districtcode') as file:
    data = file.read()
  districtlist = data.split('\n')
  global codelist
  codelist = []
  for node in districtlist:
    #print node
    if node[10:11] != ' ':
      state = node[10:].strip()
    if node[10:11]==' 'and node[12:13]!=' ':
      city = node[12:].strip()
    if node[10:11] == ' 'and node[12:13]==' ':
      district = node[14:].strip()
      code = node[0:6]
      codelist.append({"state":state,"city":city,"district":district,"code":code})
Copy after login

上部你得到了一个codelist,里边有所有的区号了。

下面是生成身份证号的原型,基本上是随机生成

def gennerator():
  id = codelist[random.randint(0,len(codelist))]['code'] #地区项
  id = id + str(random.randint(1930,2013)) #年份项
  da = date.today()+timedelta(days=random.randint(1,366)) #月份和日期项
  id = id + da.strftime('%m%d')
  id = id+ str(random.randint(100,300))#,顺序号简单处理

  i = 0
  count = 0
  weight = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2] #权重项
  checkcode ={'0':'1','1':'0','2':'X','3':'9','4':'8','5':'7','6':'6','7':'5','8':'5','9':'3','10':'2'} #校验码映射
  for i in range(0,len(id)):
    count = count +int(id[i])*weight[i]
  id = id + checkcode[str(count%11)] #算出校验码
  return id
Copy after login

原型用到了python的两个标准库

from datetime import date
from datetime import timedelta

这样就能初步满足需要了,后续可以根据要就对工具进行细化。

btw,其实,正在开发一个测试数据生成的工具集,近期争取开源。有任何具体需求可以提给我。有想一起做的同学也大大的欢迎:)

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