# 打印当前时间的floatnow = time.time()
print(now)  #1721022981.0060098 单位是s# 浮点数转换成时间格式import datetime# 假设这是你的浮点数时间戳
timestamp_float = 1615128000.0
# 将浮点数转换为整数（秒级）
timestamp_int = int(timestamp_float)
# 使用datetime.datetime.fromtimestamp将整数时间戳转换为datetime对象
datetime_object = datetime.datetime.fromtimestamp(timestamp_int)# 打印结果
print("浮点数转换成时间格式： ")
print(datetime_object) # 2021-03-07 22:40:00# 根据年月日时分秒来计算出对应的浮点数字  然后继续对比from datetime import datetime, timedelta
v1 = 1720948767
str1 = datetime.fromtimestamp(v1)  # 浮点数转换成时间格式
print(str1) #2024-07-14 17:19:27
r = datetime(2024,7,14,17,37,0)
print(r.timestamp()) # 1720949820.0diff = r.timestamp() - v1
print(diff) #1053.0# 获取前一天的日期浮点数字from datetime import datetime, timedelta
# 获取今天的日期
today = datetime.now()
# 获取前一天的日期
yesterday = today - timedelta(days=1)
print(yesterday.now()) # 2024-07-15 15:26:04.013768
print("今天的日期:", today.strftime('%Y-%m-%d %H-%M-%S')) # 今天的日期: 2024-07-15 15-26-04
print("昨天的日期:", yesterday.strftime('%Y-%m-%d')) # 昨天的日期: 2024-07-14