Summary of several methods for implementing timing tasks in Golang

summary:

In Golang development, timing tasks are a common requirement. This article will introduce several ways to implement timing tasks in Golang, including timers, tickers, and third-party library crons of the time package, and demonstrate how they are used through sample code.

1. Time package timer (and)

• 
  is a timer that triggers an event after the specified time. Use () to create a Timer, and then use <- to wait for the timer's channel to fire.
  Sample code:

package main
import (
	"fmt"
	"time"
)
func main() {
	timer := (2 * )
	<-
	("Timer expired")
}

• 
  is a timer triggered timer that will be repeatedly triggered at specified time intervals. Use () to create a Ticker, and then use <- to wait for the timer's channel to fire.
  Sample code:

package main
import (
	"fmt"
	"time"
)
func main() {
	ticker := (1 * )
	for {
		select {
		case <-:
			("Ticker ticked")
		}
	}
}

2. Third-party library cron

Golang's third-party library cron provides a timed task scheduler, which is based on Unix cron syntax and can be used to perform more complex timed tasks.

• Install the cron package
  Use the following command to install the cron package:

go get /robfig/cron

• Using cron package
  Sample code:

package main
import (
	"fmt"
	"/robfig/cron"
	"time"
)
func main() {
	c := ()
	// Add timed tasks	("*/5 * * * * ?", func() {
		("Cron ticked", ())
	})
	// Start the timing task	()
	// Block the main thread, otherwise the timed task will also stop after the main thread exits.	select {}
}

In this example, we use the */5 * * * * ? expression to add a timed task that is executed every 5 seconds.

3. Summary

There are many ways to implement timing tasks in Golang. You can use the timer and ticker of the standard library time, or you can use the third-party library cron to implement more complex timing tasks. Selecting the appropriate method according to actual needs can facilitate the development of timing tasks in Golang.

This is the end of this article about several methods to implement timing tasks in Golang. For more relevant Golang timing tasks, please search for my previous articles or continue browsing the related articles below. I hope everyone will support me in the future!