# 1.计算 年月日时分秒 于现在之间差了多少 格式化时间 # 现在 # 某一个年月日时分秒 参数 # import time # def get_time(old_t,fmt = '%Y-%m-%d %H:%M:%S'): # struct_t = time.strptime(old_t,fmt) # stmp_old = time.mktime(struct_t) # stmp_now = time.time() # tmp = stmp_now - stmp_old # t = time.gmtime(tmp) # return(t.tm_year-1970, # t.tm_mon - 1, # t.tm_mday -1, # t.tm_hour -0, # t.tm_min -0, # t.tm_sec -0) # div_time = get_time('2018-11-11 17:52:11') # print(div_time)
# 2.4位的字母+数字验证码 # import random # def code(n=4): # end = '' # for i in range(n): # num = str(random.randint(0,9)) # alpha_up = chr(random.randint(65,90)) # alpha_low = chr(random.randint(97,122)) # aim = random.choice([num,alpha_up,alpha_low]) # end += aim # return end # print(code())
# import random#alpha = True生成字母数字验证码,alpha=False生成纯数字验证码 # def code(n=4,alpha = True): # end = '' # for i in range(n): # aim = str(random.randint(0,9)) # if alpha: # alpha_up = chr(random.randint(65,90)) # alpha_low = chr(random.randint(97,122)) # aim = random.choice([aim,alpha_up,alpha_low]) # end += aim # return end # print(code(n=6,alpha=False)) # print(code())
# 4.查看某个目录下的所有文件(包括子文件夹中的) # import os # def list_dir(path): # lst = os.listdir(path) # for name in lst: # full_path = os.path.join(path,name) # if os.path.isdir(full_path): # list_dir(full_path) # else: # print(full_path) # list_dir('E:\s17')
# 5.计算文件夹的总大小 # import os # def list_dir(path): # lst = os.listdir(path) # sum_size = 0 # for name in lst: # full_path = os.path.join(path,name) # if os.path.isdir(full_path): # ret = list_dir(full_path) # 'E:\s17\day18\day17_作业讲解' # sum_size += ret # else: # file_size = os.path.getsize(full_path) # sum_size += file_size # return sum_size # ret = list_dir(r'E:\s17') # print(ret)