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How to implement scheduled tasks and scheduled tasks through the Webman framework?
How to implement scheduled tasks and scheduled tasks through the Webman framework?
Jul 08, 2023 am 11:43 AM
How to implement scheduled tasks and planned tasks through the Webman framework?
Webman is a lightweight Web framework developed based on Go language. It provides a simple way to implement scheduled tasks and planned tasks. This article will introduce how to use the Webman framework to implement timed tasks and scheduled tasks, and provide corresponding code examples.
Before using the Webman framework, you need to install Webman first. Webman can be installed through the following command:
go get github.com/henrylee2cn/webman
After the installation is complete, we can start writing code. The following is a sample code that uses the Webman framework to implement scheduled tasks:
package main
import (
"fmt"
"github.com/henrylee2cn/webman"
"github.com/henrylee2cn/webman-std/jobman"
"time"
)
func main() {
webman.Web().JobMan(jobman.NewDefault())
// 注冊(cè)一個(gè)每5秒執(zhí)行一次的定時(shí)任務(wù)
webman.Web().CronFunc("@every 5s", func() {
fmt.Println("執(zhí)行定時(shí)任務(wù)：每5秒執(zhí)行一次")
})
// 注冊(cè)一個(gè)每分鐘執(zhí)行一次的計(jì)劃任務(wù)
webman.Web().CronFunc("0 * * * * ?", func() {
fmt.Println("執(zhí)行計(jì)劃任務(wù)：每分鐘執(zhí)行一次")
})
// 啟動(dòng)Web服務(wù)
webman.Web().Run()
}In the above code, we first passwebman.Web().JobMan(jobman.NewDefault()) Initialize Webman's JobManager. Then use the webman.Web().CronFunc() function to register scheduled tasks and scheduled tasks. Among them, the first parameter is a cron expression, used to specify the execution rules of the task; the second parameter is a function, indicating the content of the task to be executed.
In the above example, we registered a scheduled task that executes every 5 seconds and a scheduled task that executes every minute. In the task's execution function, we simply print a message.
Finally, we use webman.Web().Run() to start the Web service. By running the above code, we can see on the console that scheduled tasks and scheduled tasks are executed according to the set rules.
In addition to scheduled tasks and scheduled tasks, the Webman framework also provides many other powerful functions, such as routing management, middleware, request processing, etc. These features can help us build and manage web applications more conveniently.
To sum up, using the Webman framework can easily implement scheduled tasks and planned tasks. With a few simple lines of code, we can implement various tasks that need to be executed regularly. I hope this article will help everyone understand and use the Webman framework.
The above is the detailed content of How to implement scheduled tasks and scheduled tasks through the Webman framework?. For more information, please follow other related articles on the PHP Chinese website!
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