在錯誤路線上獲取錯誤

Question

當我運行node server時，出現錯誤並找不到根本原因。我正在粘貼下面的錯誤。我非常感謝一些幫助，因爲我花了很多時間去處理堆棧溢出帖子，並試圖調試問題。謝謝。

錯誤：

C:\Users\desktop\studentSearch\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 undefined 
    at Function.use (C:\Users\Monica\desktop\studentSearch\node_modules\express\lib\router\index.js:458:13) 
    at Function.<anonymous> (C:\Users\Monica\desktop\studentSearch\node_modules\express\lib\application.js:220:21) 
    at Array.forEach (native) 
    at Function.use (C:\Users\Monica\desktop\studentSearch\node_modules\express\lib\application.js:217:7) 
    at Object.<anonymous> (C:\Users\Monica\desktop\studentSearch\server.js:46:5) 
    at Module._compile (module.js:571:32) 
    at Object.Module._extensions..js (module.js:580:10) 
    at Module.load (module.js:488:32) 
    at tryModuleLoad (module.js:447:12) 
    at Function.Module._load (module.js:439:3) 
    at Module.runMain (module.js:605:10) 
    at run (bootstrap_node.js:420:7) 
    at startup (bootstrap_node.js:139:9) 
    at bootstrap_node.js:535:3 

CODE

// ****************************************************************************** 
// *** Dependencies 
// ============================================================= 
var express = require("express"); 
var exphbs = require("express-handlebars"); 
var bodyParser = require("body-parser"); 
var methodOverride = require("method-override"); 
    jwtExp = require("express-jwt"); 
    tokenSecret = require("./tokensecret.js"); 
    cookieParser = require("cookie-parser"); 
// Sets up the Express App 
// ============================================================= 
var app = express(); 
var PORT = process.env.PORT || 8080; 

//cookie parser 
app.use(cookieParser(tokenSecret)); 

// Set Handlebars as the default templating engine. 
app.engine("handlebars", exphbs({ defaultLayout: "main" })); 
app.set("view engine", "handlebars"); 

// Requiring our models for syncing 
var db = require("./models"); 

// Sets up the Express app to handle data parsing 
app.use(bodyParser.json()); 
app.use(bodyParser.urlencoded({ extended: true })); 
app.use(bodyParser.text()); 
app.use(bodyParser.json({ type: "application/vnd.api+json" })); 

// Override with POST having ?_method=DELETE 
app.use(methodOverride("_method")); 

// Routes ============================================================= 

require("./routes/html-routes.js")(app); 
var apiRoutes = require("./routes/api-routes.js")(app); 
var authRoutes = require("./routes/auth-routes.js"); 

// API MIDDLEWARE 
// app.use("/api", jwtExp({ secret: tokenSecret })); 
app.use("/api", apiRoutes); 


// AUTH MIDDLEWARE 
app.use("/auth", authRoutes); 
app.use("/auth", express.static("./public")); 

// USER MIDDLEWARE 
app.get("/", jwtExp({ 
    secret: tokenSecret, 
    getToken: function fromCookie(req) { 
    if (req.signedCookies) { 
     return req.signedCookies.jwtAuthToken; 
    } 
    return null; 
    }, 
    credentialsRequired: false 
}), function(req, res, next) { 
    if (req.user) { 
    next(); 
    } else { 
    res.redirect("/auth/login"); 
    } 
}); 

app.use("/", apiRoutes); 

app.use(express.static("./public")); 



// Syncing our sequelize models and then starting our express app 
db.sequelize.sync({}).then(function() { 
    app.listen(PORT, function() { 
     console.log("App listening on PORT " + PORT); 
    }); 
}); 

Answer 1

的問題是其在定義的（APP）。見下文。

var apiRoutes = require("./routes/api-routes.js")(app);