Home Backend Development Golang Two ways to clear the screen in golang

Two ways to clear the screen in golang

Apr 13, 2023 am 10:44 AM

在Golang中,清空控制台屏幕可以使用一些简单的方法。下面将介绍其中两种方法来清屏。

方法一:使用系统命令

在Golang中可以使用os/exec包和os包来执行外部命令和清空控制台屏幕。下面是一个使用os/exec包和os包来实现清空控制台屏幕的例子:

package main

import (
    "os"
    "os/exec"
)

func main() {
    cmd := exec.Command("cmd", "/c", "cls") // Windows系统下清屏命令
    cmd.Stdout = os.Stdout
    cmd.Run()
}
Copy after login

这个例子中,我们使用exec.Command方法来创建一个清空控制台屏幕的外部命令,然后通过os.Stdout将命令输出到控制台。最后,使用cmd.Run()方法来执行该外部命令。

注意,这个清空控制台屏幕的方法只在Windows系统上有效,如果要在Linux或Mac系统上清空控制台屏幕,需要使用相应的清屏命令。

方法二:使用ANSI Escape Sequences

在Unix和类Unix系统上,可以使用ANSI Escape Sequences来清空控制台屏幕。下面是一个使用ANSI Escape Sequences来清空控制台屏幕的例子:

package main

import "fmt"

func main() {
    fmt.Print("\033[2J") // 使用ANSI Escape Sequences来清空控制台屏幕
}
Copy after login

这个例子中,我们使用了一个ANSI Escape Sequences来清空控制台屏幕。"\033[2J"表示清空整个屏幕,并将光标移到左上角。

注意,这个清空控制台屏幕的方法只在Unix和类Unix系统上有效,如果要在Windows系统上清空控制台屏幕,需要使用方法一中的方式。

总结

以上是Golang清空控制台屏幕的两种方法。无论是使用系统命令还是使用ANSI Escape Sequences,都可以实现清空控制台屏幕的功能。但是需要根据不同的操作系统,选用不同的方法。

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