Question

C#DateTime的用法？

Answer 1

1、输出当前时间

DateTime now = DateTime.Now;

Console.WriteLine(now);

2、输出年月日 - 时分秒(为0)

DateTime now = DateTime.Now;

Console.WriteLine(now.Date.ToString());

3、输出年月日 - 时分格式时间

DateTime now = DateTime.Now;

Console.WriteLine(now.ToString("yyyy-MM-dd hh:mm"));

4、输出年月日格式的时间

DateTime now = DateTime.Now;

Console.WriteLine(now.ToString("yyyy-MM-dd"));

5、输出时分秒格式的时间

DateTime now = DateTime.Now;

Console.WriteLine(now.ToString("HH:mm:ss"));

6、输出当前时间增加一天

DateTime afterNow = now.AddDays(1);

Console.WriteLine(afterNow);

7、输出当前时间减去一天

DateTime beforeNow = now.AddDays(-1);

Console.WriteLine(beforeNow);