報錯

Starting child process with 'node app.js'
/home/lantern/Code/Project/WebstormProjects/CampusAppBackstage/CampusBack/CampusBack/node_modules/express/lib/router/index.js:458
      throw new TypeError('Router.use() requires middleware function but got a ' + gettype(fn));
      ^

TypeError: Router.use() requires middleware function
 
 but got a Object
    at Function.use (/home/lantern/Code/Project/WebstormProjects/CampusAppBackstage/CampusBack/CampusBack/node_modules/express/lib/router/index.js:458:13)
    at EventEmitter.<anonymous> (/home/lantern/Code/Project/WebstormProjects/CampusAppBackstage/CampusBack/CampusBack/node_modules/express/lib/application.js:219
 
:21)
    at Array.forEach (native)
    at EventEmitter.use (/home/lantern/Code/Project/WebstormProjects/CampusAppBackstage/CampusBack/CampusBack/node_modules/express/lib/application.js:216:7)
    at Object.<anonymous> (/home/lantern/Code/Project/WebstormProjects/CampusAppBackstage/CampusBack/CampusBack/app.js:54:5
 
)
    at Module._compile (module.js:435:26)
    at Object.Module._extensions..js (module.js:442:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:313:12)
    at Function.Module.runMain (module.js:467:10)
    at startup (node.js:136:18)
    at node.js:963:3
Program node app.js exited with code 1

1. 嘗試修復 在app.js中有

//在 app.js 中通過 require 載入了 index.js 然後通過 routes(app) 呼叫了 index.js 匯出的函式。
var routes = require('./routes/index');
var feedback_and_reply = require('./routes/feedback-and-reply');

1. 在 routers/index.js中有

   module.exports = router;

2. 但是在routers/feedback-and-reply.js中沒有這樣的語句

3. 在 routers/feedback-and-reply.js中新增

   modules.export = feedback-and-reply

4. 報錯

/home/lantern/Code/Project/WebstormProjects/CampusAppBackstage/CampusBack/CampusBack/routes/feedback-and-reply.js:35
module.exports = feedback-and-reply;
                 ^
ReferenceError: feedback is not defined
    at Object.<anonymous> (/home/lantern/Code/Project/WebstormProjects/CampusAppBackstage/CampusBack/CampusBack/routes/feedback-and-reply.js:35:18)
    at Module._compile (module.js:435:26)
    at Object.Module._extensions..js (module.js:442:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:313:12)
    at Module.require (module.js:366:17)
    at require (module.js:385:17)
    at Object.<anonymous> (/home/lantern/Code/Project/WebstormProjects/CampusAppBackstage/CampusBack/CampusBack/app.js:10:26)
    at Module._compile (module.js:435:26)
    at Object.Module._extensions..js (module.js:442:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:313:12)
    at Function.Module.runMain (module.js:467:10)
    at startup (node.js:136:18)
    at node.js:963:3
Program node app.js exited with code 1

1. 發現在index,js 中的module.exports = router； 之前有一句話var router = Express.Router();,修改 routers/feedback-and-reply.js最後新增一句：

# 將在feedback-and-reply.js中新增的路由匯出，使得外界可以呼叫router物件
module.exports = router;

1. 具體的呼叫在app.js中

//在 app.js 中通過 require 載入了 index.js 
var routes = require('./routes/index');
var feedback_and_reply = require('./routes/feedback-and-reply');
// 給專案新增路由
app.use('/', routes);
app.use('/', feedback_and_reply);
//app.use('/feedback-and-reply',feedback_and_reply);
// 不知道為什麼，上面註釋的寫法無效，無法訪問 localhost:1235/feedback-and-reply