随机生成验证码

 1 import random
 2 #随机生成验证码
 3 def check_code():
 4     checkcode = ‘‘
 5     for i in range(4):
 6         current = random.randrange(0, 4)
 7         if current != i:
 8             temp = chr(random.randint(65, 90))
 9         else:
10             temp = random.randint(0, 9)
11         checkcode += str(temp)
12     return checkcode