未找到Express命令

Question

出于某种原因，在计算机上使用NPM安装-g Express全局安装Express后，如果将CD放入目录并尝试运行Express，则会出现以下错误：

express: command not found. 

即使我用sudo运行它，我仍然得到相同的输出。我已经尝试了多种不同的解决方案来解决这个问题，但没有任何效果。我已经通过Homebrew安装了node，但堆栈溢出上的一些线程指出这可能是一个问题，所以我完全卸载了node，并通过Nodejs.org上的安装程序重新安装了node（我现在运行的是V0.10.26)，但问题仍然存在。

如果我进入我的/usr/local/lib/node_modules，Express就在其中，但是在/usr/local/bin中没有任何关于Express的内容。我不确定这是否是一个问题，但考虑到该目录中有其他全局安装的节点包的二进制文件，我认为那里可能有问题。

这是我安装时得到的确切输出：

npm http GET https://registry.npmjs.org/express
npm http 304 https://registry.npmjs.org/express
npm http GET https://registry.npmjs.org/accepts/1.0.0
npm http GET https://registry.npmjs.org/type-is/1.0.0
npm http GET https://registry.npmjs.org/range-parser/1.0.0
npm http GET https://registry.npmjs.org/cookie/0.1.0
npm http GET https://registry.npmjs.org/fresh/0.2.2
npm http GET https://registry.npmjs.org/buffer-crc32/0.2.1
npm http GET https://registry.npmjs.org/send/0.2.0
npm http GET https://registry.npmjs.org/methods/0.1.0
npm http GET https://registry.npmjs.org/cookie-signature/1.0.3
npm http GET https://registry.npmjs.org/utils-merge/1.0.0
npm http GET https://registry.npmjs.org/merge-descriptors/0.0.2
npm http GET https://registry.npmjs.org/escape-html/1.0.1
npm http GET https://registry.npmjs.org/serve-static/1.0.1
npm http GET https://registry.npmjs.org/qs/0.6.6
npm http GET https://registry.npmjs.org/path-to-regexp/0.1.2
npm http GET https://registry.npmjs.org/parseurl/1.0.1
npm http GET https://registry.npmjs.org/debug
npm http 304 https://registry.npmjs.org/cookie/0.1.0
npm http 304 https://registry.npmjs.org/type-is/1.0.0
npm http 304 https://registry.npmjs.org/buffer-crc32/0.2.1
npm http 304 https://registry.npmjs.org/methods/0.1.0
npm http 304 https://registry.npmjs.org/accepts/1.0.0
npm http 304 https://registry.npmjs.org/range-parser/1.0.0
npm http 304 https://registry.npmjs.org/cookie-signature/1.0.3
npm http 304 https://registry.npmjs.org/fresh/0.2.2
npm http 304 https://registry.npmjs.org/serve-static/1.0.1
npm http 304 https://registry.npmjs.org/qs/0.6.6
npm http 304 https://registry.npmjs.org/utils-merge/1.0.0
npm http 304 https://registry.npmjs.org/merge-descriptors/0.0.2
npm http 304 https://registry.npmjs.org/escape-html/1.0.1
npm http 304 https://registry.npmjs.org/path-to-regexp/0.1.2
npm http 304 https://registry.npmjs.org/parseurl/1.0.1
npm http 304 https://registry.npmjs.org/debug
npm http 304 https://registry.npmjs.org/send/0.2.0
npm http GET https://registry.npmjs.org/mime
npm http GET https://registry.npmjs.org/send/0.1.4
npm http GET https://registry.npmjs.org/mime
npm http GET https://registry.npmjs.org/negotiator
npm http 304 https://registry.npmjs.org/mime
npm http 304 https://registry.npmjs.org/mime
npm http 304 https://registry.npmjs.org/send/0.1.4
npm http GET https://registry.npmjs.org/range-parser/0.0.4
npm http GET https://registry.npmjs.org/fresh/0.2.0
npm http 304 https://registry.npmjs.org/negotiator
npm http 304 https://registry.npmjs.org/range-parser/0.0.4
npm http 304 https://registry.npmjs.org/fresh/0.2.0
express@4.0.0 /usr/local/lib/node_modules/express
├── methods@0.1.0
├── parseurl@1.0.1
├── utils-merge@1.0.0
├── merge-descriptors@0.0.2
├── escape-html@1.0.1
├── debug@0.8.0
├── cookie-signature@1.0.3
├── range-parser@1.0.0
├── fresh@0.2.2
├── qs@0.6.6
├── buffer-crc32@0.2.1
├── cookie@0.1.0
├── path-to-regexp@0.1.2
├── type-is@1.0.0 (mime@1.2.11)
├── send@0.2.0 (mime@1.2.11)
├── serve-static@1.0.1 (send@0.1.4)
└── accepts@1.0.0 (negotiator@0.3.0, mime@1.2.11)

Answer 1

随着Express4.0.0的发布，您似乎需要执行Sudo npm安装-g express-generator。