1、搞懂这段代码
def func_dispatch(func):
registry = {}
def dispatch(key_word):
return registry.get(key_word, registry[object])
def register(key_word, func=None):
if func is None:
return lambda f: register(key_word, f)
registry[key_word] = func
return func
def wrapper(*args, **kw):
return dispatch(args[0])(*args, **kw)
registry[object] = func
wrapper.register = register
return wrapper
@func_dispatch
def score_dispath(course):
return 0
@score_dispath.register('mathematical')
def get_mathematical_score(course):
return 90
@score_dispath.register('english')
def get_english_score(course):
return 95
@score_dispath.register('history')
def get_history_score(course):
return 98
def get_score_by_course(course):
"""
根据课程获取考试分数
:param course:
:return:
"""
return score_dispath(course)
print(get_score_by_course('mathematical'))
