Golang time.NewTicker()用法及代碼示例

// Golang program to illustrate the usage of 
// time.NewTicker() function 
  
// Including main package 
package main 
  
// Importing fmt and time 
import "fmt"
import "time"
  
// Calling main 
func main() { 
  
    // Calling NewTicker method 
    d:= time.NewTicker(2 * time.Second) 
  
    // Creating channel using make 
    // keyword 
    mychannel:= make(chan bool) 
  
    // Calling Sleep() methpod in go 
    // function 
    go func() { 
        time.Sleep(7 * time.Second) 
  
        // Setting the value of channel 
        mychannel <- true
    }() 
  
    // Using for loop 
    for { 
  
        // Select statement 
        select { 
  
        // Case statement 
        case <-mychannel:
            fmt.Println("Completed!") 
            return
  
        // Case to print current time 
        case tm := <-d.C:
            fmt.Println("The Current time is:", tm) 
        } 
    } 
}