python的有参装饰器
作者:互联网
def auth(db_type):
def deco(func):
def wrapper(*args, **kwargs):
name = input('your name>>>:'.strip())
pwd = input('your password>>>:'.strip())
if db_type == 'file':
print('基于文件的验证')
# 从文件中取账号密码进行验证
if name == 'engo' and pwd == '123':
print('login successful')
res = func(*args, **kwargs)
return res
else:
print('user or password error')
elif db_type == 'mysql':
print('基于mysql的验证')
elif db_type == 'ldap':
print('基于ldap的验证')
else:
print('不支持改db_type')
return wrapper
return deco
# deco = auth(db_type='file')
@auth(db_type='file') # 碰到函数+(),先把@放一边,首先执行函数调用,然后结果是@函数返回值(@deco)
# @deco会把index作为参数传入去调用函数d--eco(index)
def index(x, y):
print('index->>%s:%s' %(x, y))
标签:index,deco,python,db,print,type,装饰,def 来源: https://www.cnblogs.com/kingchen/p/12976109.html