注意：
这里的代码只是简单模拟一下生成车牌号，实际应用的车牌号应该还会有很多约束的
#随机生成一个车牌号码def car_num():char0=["京","津","沪","渝","冀","豫","云","辽","黑","湘","皖","鲁","新","苏","浙","赣","鄂","桂","甘","晋","蒙","陕","吉","闽","赣","粤","青","藏","川","宁","琼"] #省份简称char1='ABCDEFGHJKLMNPQRSTUVWXYZ'#车牌号中没有I和Ochar2='0123456789ABCDEFGHJKLMNPQRSTUVWXYZ'id_1=random.choice(char0)#车牌号第一位省份简称id_2=''.join(random.sample(char1, 1)) #车牌号第二位while True:id_3=''.join(random.sample(char2, 5))v=id_3.isalpha() #所有字符都是字母时返回 trueif v==True:continueelse:car_id=id_1+id_2+id_3#print car_idbreakreturn car_id
import randomimport redef car_num(len=6):char0='京津沪渝冀豫云辽黑湘皖鲁新苏浙赣鄂桂甘晋蒙陕吉闽赣粤青藏川宁琼'char1='ABCDEFGHJKLMNPQRSTUVWXYZ'#车牌号中没有I和O，可自行百度char2='1234567890ABCDEFGHJKLMNPQRSTUVWXYZ'char3='1234567890'len0=len(char0)-1len1 = len(char1) - 1len2 = len(char2) - 1len3 = len(char3) - 1while True:code = ''index0 = random.randint(1,len0 )index1 = random.randint(1, len1)code += char0[index0]code += char1[index1]code+=' 'for i in range(1, 5):index2 = random.randint(1, len2)code += char2[index2]index3=random.randint(1,len3)code+=char3[index3]test=re.match('^.\w.[A-Z]\d{4}$|^.\w.\d[A-Z]\d{3}$|^.\w.\d{2}[A-Z]\d{2}$|^.\w.\d{3}[A-Z]\d$|^.\w.\d{5}$',code)if test:return code
