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如何使用 Golang 清除终端中的最后一行

php小编柚子为您介绍如何使用Golang清除终端中的最后一行。在编写终端应用程序时,我们经常需要更新终端中的输出信息。有时候我们需要清除上一次输出的内容,以便显示新的信息。Golang提供了一种简单的方法来清除终端中的最后一行,使我们能够实现更好的用户界面和用户体验。下面我们将介绍如何使用Golang中的特殊字符和控制台操作来清除终端中的最后一行。

问题内容

我正在构建 cli 应用程序(在 linux 上),用户必须选择某些内容,然后我必须清除最后一行。

我尝试了几件事:

65be1d406咖啡馆

光标返回到行首,但不清除最后一行的文本。

我在这里缺少什么?

解决方法

你可以这样使用它

fmt.printf("\033[1a\033[k")

\033[1a - 一行 \033[k - 删除该行

例如

fmt.Println("hello")
fmt.Println("world")
fmt.Printf("\033[1A\033[K")

将仅输出 hello 因为世界将被删除

您可以在此处阅读有关 ascii 转义的更多信息 https://tldp.org /howto/bash-prompt-howto/x361.html

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