具体参考页面是 https://github.com/nswbmw/N-blog/wiki/%E7%AC%AC1%E7%AB%A0–%E4%B8%80%E4%B8%AA%E7%AE%80%E5%8D%95%E7%9A%84%E5%8D%9A%E5%AE%A2 在这里的https://github.com/nswbmw/N-blog/wiki/%E7%AC%AC1%E7%AB%A0–%E4%B8%80%E4%B8%AA%E7%AE%80%E5%8D%95%E7%9A%84%E5%8D%9A%E5%AE%A2#%E8%B7%AF%E7%94%B1%E6%8E%A7%E5%88%B6 我将index.js文件和app.js文件都直接拷到本地文件后还是启用不了

错误提示代码： app.set('port’, port); ^ TypeError: undefined is not a function at Object.<anonymous> (d:\nodejs\lesson002\blog\bin\www:16:5) at Module._compile (module.js:460:26) at Object.Module._extensions…js (module.js:478:10) at Module.load (module.js:355:32) at Function.Module._load (module.js:310:12) at Function.Module.runMain (module.js:501:10) at startup (node.js:129:16) at node.js:814:3