Note:运行命令清除屏幕不是一种安全的方式.在这里也判断其他答案.
您必须 for each 不同的操作系统定义一个清晰的方法,如下所示.当用户的操作系统不受支持时,它会死机
package main
import (
"fmt"
"os"
"os/exec"
"runtime"
"time"
)
var clear map[string]func() //create a map for storing clear funcs
func init() {
clear = make(map[string]func()) //Initialize it
clear["linux"] = func() {
cmd := exec.Command("clear") //Linux example, its tested
cmd.Stdout = os.Stdout
cmd.Run()
}
clear["windows"] = func() {
cmd := exec.Command("cmd", "/c", "cls") //Windows example, its tested
cmd.Stdout = os.Stdout
cmd.Run()
}
}
func CallClear() {
value, ok := clear[runtime.GOOS] //runtime.GOOS -> linux, windows, darwin etc.
if ok { //if we defined a clear func for that platform:
value() //we execute it
} else { //unsupported platform
panic("Your platform is unsupported! I can't clear terminal screen :(")
}
}
func main() {
fmt.Println("I will clean the screen in 2 seconds!")
time.Sleep(2 * time.Second)
CallClear()
fmt.Println("I'm alone...")
}
(命令执行来自@merosss的答案)