vue项目启动报错 Error: spawn cmd ENOENT

一、yarn serve 启动vue项目，如下报错：

 

 

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Type checking in progress...     App running at:   - Local:   http://localhost:8080/crmpc/   - Network: http://172.20.3.3:8080/          Note that the development build is not optimized.   To create a production build, run yarn build.   events.js:352       throw er; // Unhandled 'error' event       ^   Error: spawn cmd ENOENT     at Process.ChildProcess._handle.onexit (internal/child_process.js:269:19)     at onErrorNT (internal/child_process.js:467:16)     at processTicksAndRejections (internal/process/task_queues.js:82:21) Emitted 'error' event on ChildProcess instance at:     at Process.ChildProcess._handle.onexit (internal/child_process.js:275:12)     at onErrorNT (internal/child_process.js:467:16)     at processTicksAndRejections (internal/process/task_queues.js:82:21) {   errno: -4058,   code: 'ENOENT',   syscall: 'spawn cmd',   path: 'cmd',   spawnargs: [ '/c', 'start', '""', '/b', 'http://172.20.3.3:8080' ] } error Command failed with exit code 1. info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command. ----------------------------------- vue项目启动报错 Error: spawn cmd ENOENT https://blog.51cto.com/u_15127662/3357819

　　二、报错原因：

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1	电脑缺少cmd运行程序的环境变量

　　

三、解决方案：
环境变量Path中添加C:\Windows\System32或者 %SystemRoot%\system32
具体步骤：
右键我的电脑--高级系统设置--高级--环境变量--系统变量，找到Path，添加就可以了

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注意：设置完记得关闭vscode，重新启动vscode才可以生效哦！