项目地址：https://github.com/cnBruceHong/weibo-nodejs
F:\weibo-nodejs (master) (application-name@0.0.1)
λ npm install
bcrypt@0.8.5 install F:\weibo-nodejs\node_modules\bcrypt
node-gyp rebuild
F:\weibo-nodejs\node_modules\bcrypt {git}{hg}
{lamb} if not defined npm_config_node_gyp (node "E:\nodejs\node_modules\npm\bin\node-gyp-bin\\..\..\node_modules\node-gyp\bin\node-gyp.js" rebuild ) else (node "" rebuild )
gyp ERR! configure error
gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable.
gyp ERR! stack at failNoPython (E:\nodejs\node_modules\npm\node_modules\node-gyp\lib\configure.js:401:14)
gyp ERR! stack at E:\nodejs\node_modules\npm\node_modules\node-gyp\lib\configure.js:356:11
gyp ERR! stack at FSReqWrap.oncomplete (fs.js:82:15)
gyp ERR! System Windows_NT 6.1.7601
gyp ERR! command "E:\\nodejs\\node.exe" "E:\\nodejs\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild"
gyp ERR! cwd F:\weibo-nodejs\node_modules\bcrypt
gyp ERR! node -v v4.4.5
gyp ERR! node-gyp -v v3.3.1
gyp ERR! not ok
npm ERR! Windows_NT 6.1.7601
npm ERR! argv "E:\\nodejs\\node.exe" "E:\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install"
npm ERR! node v4.4.5
npm ERR! npm v2.15.5
npm ERR! code ELIFECYCLE
npm ERR! bcrypt@0.8.5 install: `node-gyp rebuild`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the bcrypt@0.8.5 install script 'node-gyp rebuild'.
npm ERR! This is most likely a problem with the bcrypt package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! node-gyp rebuild
npm ERR! You can get information on how to open an issue for this project with:
npm ERR! npm bugs bcrypt
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!
npm ERR! npm owner ls bcrypt
npm ERR! There is likely additional logging output above.
npm ERR! Please include the following file with any support request:
npm ERR! F:\weibo-nodejs\npm-debug.log这个什么原因？
Error: Can't find Python executable "python", you can set the PYTHON env variable.
找不到Python，你下一个安装上，然后配置环境变量，然后重新启动个控制台执行命令就可以了。