装饰器: def auth(func): def wrapper(name): 如果函数带参数,要加在这里 user=raw_input("input passwd:").strip() if user==‘test‘: print "welcome login" func(name) 如果函数带参数,要加在这里 else: print "auth is denied" return wrapper @auth def task(name): 带参数的函数 print "do something" task(name) 异常处理: try: name="kim" name_list=[‘kim‘,‘deng‘,‘min‘] print Name # print name_list[4] except NameError,err: print err print ‘--do sth else--‘ except Exception,e: 可以抓住所有的异常 print ‘‘ else: 没有抓住异常则else print ‘‘ finally: 无论有没有异常都会执行 print ‘‘ 手动触发异常: class myException(Exception): pass try: code raise myException except ......
时间: 2024-10-06 00:15:56