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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                **robfig/cron** 安裝: ~~~ go get -u github.com/robfig/cron ~~~ 應用: 每分鐘執行一次: ~~~ package main import ( "log" "github.com/robfig/cron" ) func main() { i := 0 c := cron.New() spec := "0 */1 * * * *" c.AddFunc(spec, func() { i++ log.Println("execute per second", i) }) c.Start() select {} } ~~~ 其中注意select的用法: golang 的 select 的功能和 select, poll, epoll 相似, 就是監聽 IO 操作,當 IO 操作發生時,觸發相應的動作。 每天上午9點到12點的第2和第10分鐘執行: ~~~ package main import ( "fmt" "github.com/robfig/cron" ) func main() { spec := "2,10 9-12 * * *" // 每天上午9點到12點的第2和第10分鐘執行 c := cron.New() c.AddFunc(spec, myFunc) c.Start() select {} } func myFunc() { fmt.Println("execute") } ~~~
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                              哎呀哎呀视频在线观看