搭建前端vue環境，node.js已安裝，但無法安裝vue-cli，沒有網絡，但從外網down的cache,npm全覆蓋了，還是無法使用vue -V指令，無法識別vue
PS D:\devsoft\node> npm config get -g
; "builtin" config from D:\devsoft\node\node_modules\npm\npmrc
; prefix = "C:\Users\F1211352\AppData\Roaming\npm" ; overridden by user
; "user" config from C:\Users\F1211352.npmrc
cache = "D:\devsoft\node\node_cache"
prefix = "D:\devsoft\node\node_global"
registry = "https://registry.npm.taobao.org/"
; "cli" config from command line options
global = true
; node bin location = D:\devsoft\node\node.exe
; cwd = D:\devsoft\node
; HOME = C:\Users\F1211352
; Run npm config ls -l to show all defaults.
