vue报错 errno -4058 and npm WARN enoent ENOENT npm WARN enoent ENOENT: no such file or directory, open 'E:\Program Files\nodejs \package.json' npm

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1、报错如下：

npm WARN checkPermissions Missing write access to C:\Users\hejinrong\AppData\Roaming\npm\node_modules\vue-cli\node_modules\cliui\node_modules\wordwrap
npm ERR! path C:\Users\liuyg\AppData\Roaming\npm\node_modules\vue-cli\node_modules\cliui\node_modules\wordwrap
npm ERR! code ENOENT
npm ERR! errno -4058
npm ERR! syscall access
npm ERR! enoent ENOENT: no such file or directory, access 'C:\Users\liuyg\AppData\Roaming\npm\node_modules\vue-cli\node_modules\cliui\node_modules\wordwrap'
npm ERR! enoent This is related to npm not being able to find a file.
npm ERR! enoent

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\liuyg\AppData\Roaming\npm-cache\_logs\2017-10-18T14_34_23_721Z-debug.log

换一个npm安装源就好了，具体方法如下：

2、通过config命令

npm config set registry https://registry.npm.taobao.org


npm info underscore （ 如果上面配置正确这个命令会有字符串response）

3、命令行指定

npm --registry https://registry.npm.taobao.org info underscore

然后再安装就好了

第二个错误：

npm WARN enoent ENOENT: no such file or directory, open 'E:\Program Files\nodejs \package.json' npm

解决方法：切换到vue项目目录下执行：cnpm run dev即可