time.Parse(layout, "2023-03-04") 其中layout用类似"2006-01-02 15:04:05"这样的字符串做模板，这个对开发者太友好了，再也不用yyyy记忆了，一些内置的如下： const ( ANSIC = "Mon Jan _2 15:04:05 2006" UnixDate = "Mon Jan _2 15:04:05 MST 2006" RubyDate = "Mon Jan 02 15:04:05 -0700 2006" RFC822 = "02 Jan 06 15:04 MST" RFC822Z = "02 Jan 06 15:04 -0700" // RFC822 with numeric zone RFC850 = "Monday, 02-Jan-06 15:04:05 MST" RFC1123 […]