Win10安装express

进入CMD，执行                            

npm install -g express 

npm install -g express-generator  

安装后，使用express -V查看版本的时候，会提示

nodejs error unknown option -V

没毛病，创建一个项目测试一下，看到创建项目成功了，  以前一直纠结于出现的这个提示， 但是既然创建成功，何必还要去纠结呢

C:\Program Files\nodejs>npm install -g expressC:\Users\Sabine\AppData\Roaming\npm`-- express@4.15.3  +-- accepts@1.3.3  | +-- mime-types@2.1.15  | | `-- mime-db@1.27.0  | `-- negotiator@0.6.1  +-- array-flatten@1.1.1  +-- content-disposition@0.5.2  +-- content-type@1.0.2  +-- cookie@0.3.1  +-- cookie-signature@1.0.6  +-- debug@2.6.7  | `-- ms@2.0.0  +-- depd@1.1.0  +-- encodeurl@1.0.1  +-- escape-html@1.0.3  +-- etag@1.8.0  +-- finalhandler@1.0.3  | `-- unpipe@1.0.0  +-- fresh@0.5.0  +-- merge-descriptors@1.0.1  +-- methods@1.1.2  +-- on-finished@2.3.0  | `-- ee-first@1.1.1  +-- parseurl@1.3.1  +-- path-to-regexp@0.1.7  +-- proxy-addr@1.1.4  | +-- forwarded@0.1.0  | `-- ipaddr.js@1.3.0  +-- qs@6.4.0  +-- range-parser@1.2.0  +-- send@0.15.3  | +-- destroy@1.0.4  | +-- http-errors@1.6.1  | | `-- inherits@2.0.3  | `-- mime@1.3.4  +-- serve-static@1.12.3  +-- setprototypeof@1.0.3  +-- statuses@1.3.1  +-- type-is@1.6.15  | `-- media-typer@0.3.0  +-- utils-merge@1.0.0  `-- vary@1.1.1C:\Program Files\nodejs>npm install -g express-generatorC:\Users\Sabine\AppData\Roaming\npm\express -> C:\Users\Sabine\AppData\Roaming\npm\node_modules\express-generator\bin\express-cli.jsC:\Users\Sabine\AppData\Roaming\npm`-- express-generator@4.15.0  +-- commander@2.9.0  | `-- graceful-readlink@1.0.1  +-- ejs@2.5.6  +-- mkdirp@0.5.1  | `-- minimist@0.0.8  `-- sorted-object@2.0.1C:\Program Files\nodejs>express -V  Usage: express-cli [options] [dir]  Options:    -h, --help           output usage information        --version        output the version number    -e, --ejs            add ejs engine support        --pug            add pug engine support        --hbs            add handlebars engine support    -H, --hogan          add hogan.js engine support    -v, --view <engine>  add view <engine> support (dust|ejs|hbs|hjs|jade|pug|twig|vash) (defaults to jade)    -c, --css <engine>   add stylesheet <engine> support (less|stylus|compass|sass) (defaults to plain css)        --git            add .gitignore    -f, --force          force on non-empty directory  error: unknown option `-V'C:\Program Files\nodejs>cd E:\Program\nodejsC:\Program Files\nodejs>E:E:\Program\nodejs>express test  warning: the default view engine will not be jade in future releases  warning: use `--view=jade' or `--help' for additional options   create : test   create : test/package.json   create : test/app.js   create : test/public   create : test/routes   create : test/routes/index.js   create : test/routes/users.js   create : test/views   create : test/views/index.jade   create : test/views/layout.jade   create : test/views/error.jade   create : test/bin   create : test/bin/www   create : test/public/javascripts   create : test/public/images   create : test/public/stylesheets   create : test/public/stylesheets/style.css   install dependencies:     > cd test && npm install   run the app:     > SET DEBUG=test:* & npm start