module.js:340

    throw err;

    ^

Error: Cannot find module 'body-parser'

    at Function.Module._resolveFilename (module.js:338:15)

    at Function.Module._load (module.js:280:25)

    at Module.require (module.js:364:17)

    at require (module.js:380:17)

    at Object.<anonymous> (C:\Users\Administrator\Desktop\node\app\app.js:5:18)

    at Module._compile (module.js:456:26)

    at Object.Module._extensions..js (module.js:474:10)

    at Module.load (module.js:356:32)

    at Function.Module._load (module.js:312:12)

    at Function.Module.runMain (module.js:497:10)

运行是报错了。。。