#装饰器实现简易限制函数调用频率，如10秒一次
import math
import  time
def wrapper(func):
    start_time =0
    def inner(*args,**kwargs):
        nonlocal start_time
        t = time.time() - start_time
        if t >= 10:
            start_time =time.time()
            ret = func(*args, **kwargs)
            return ret
        else:

            print(f"技能还在冷却当中，倒计时{math.ceil(10-t)}秒")
    return inner


@wrapper
def foo():
    print("开始瞄准，射击")
while True:
    foo()
    time.sleep(1)