yarn : 无法将“yarn”项识别为 cmdlet、函数、脚本文件或可运行程序的名称

合集 - 报错(63)

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2.yarn : 无法将“yarn”项识别为 cmdlet、函数、脚本文件或可运行程序的名称2022-03-13

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收起

1、遇到的问题

我在使用vscode终端使用yarm serve命令时报下面的错误。

yarn : 无法将“yarn”项识别为 cmdlet、函数、脚本文件或可运行程序的名称

具体报错在附件中。
原因：我并没有安装yarn

2、解决办法

方法1：在vscode控制台操作下方命令即可解决

npm install -g yarn

方法2：直接win10高级系统设置->环境变量->path中添加相关路径，配置yarn为全局。
找到安装node.js路径，即可找到下图的路径

在path中配置下图路径即可。

成功的效果图：

如果遇到其他报错，推荐阅读下文
链1：VisualStudioCode终端出现-＞在此系统上禁止运行脚本

附件：

PS D:\code\Vue\vue5\heroes> yarn serve
yarn : 无法将“yarn”项识别为 cmdlet、函数、脚本文件或可运行程序的名称。请检查名称的拼写，如果包括路径，请确保路径正确，然后再试一次。
所在位置 行:1 字符: 1
+ yarn serve
+ ~~~~
    + CategoryInfo          : ObjectNotFound: (yarn:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException