angularjs - 在 Heroku 上部署 MEAN 应用程序时出现 POST 404 错误
问题描述
我最近正在关注 youtube 上的教程,该教程介绍了在本地创建 MEAN 应用程序。我决定尝试在 heroku 上部署我的版本,并在添加项目时遇到错误:
发布https://bookstore-matt-vroom.herokuapp.com/api/books/ 404(未找到)
也
GET 503(服务不可用)可能未处理的拒绝:{}
我的 server.js 文件是:
let express = require('express');
let app = express();
let bodyParser = require('body-parser');
let mongoose = require('mongoose');
let mongodb = require("mongodb");
let ObjectID = mongodb.ObjectID;
app.use(express.static(__dirname+'/client'));
app.use(bodyParser.json());
Genre = require('./models/genre');
Book = require('./models/book');
//Connect to mongoose
var db;
mongodb.MongoClient.connect(process.env.MONGODB_URI || "mongodb://localhost:27017/test", function (err, client) {
if (err) {
console.log(err);
process.exit(1);
}
// app.config(function ($qProvider) {
// $qProvider.errorOnUnhandledRejections(false);
// });
app.get('/', function(req, res){
res.send('Please use /api/books or /api/genres');
});
// Connect to Routes, requests genres
app.get('/api/genres', function(req, res){
Genre.getGenres(function(err, genres){
if(err){
throw err;
}
res.json(genres);
});
});
app.post('/api/genres', function(req, res){
let genre = req.body;
Genre.addGenre(genre, function(err, genre){
if(err){
throw err;
}
res.json(genre);
});
});
app.put('/api/genres/:_id', function(req, res){
let id = req.params._id;
let genre = req.body;
Genre.updateGenre(id, genre, {}, function(err, genre){
if(err){
throw err;
}
res.json(genre);
});
});
app.delete('/api/genres/:_id', function(req, res){
let id = req.params._id;
Genre.deleteGenre(id, function(err, genre){
if(err){
throw err;
}
res.json(genre);
});
});
//Requests Books
app.get('/api/books', function(req, res){
Book.getBooks(function(err, books){
if(err){
throw err;
}
res.json(books);
});
});
app.get('/api/books/:_id', function(req, res){
Book.getBookById(req.params._id, function(err, book){
if(err){
throw err;
}
res.json(book);
});
});
app.post('/api/book', function(req, res){
let book = req.body;
Book.addBook(book, function(err, book){
if(err){
throw err;
}
res.json(book);
});
});
app.put('/api/books/:_id', function(req, res){
let id = req.params._id;
let book = req.body;
Book.updateBook(id, book, {}, function(err, book){
if(err){
throw err;
}
res.json(book);
});
});
app.delete('/api/books/:_id', function(req, res){
let id = req.params._id;
Book.removeBook(id, function(err, book){
if(err){
throw err;
}
res.json(book);
});
});
//Testing Purposes
db = client.db();
console.log("Database connection ready");
var server = app.listen(process.env.PORT || 8080, function () {
var port = server.address().port;
console.log("App now running on port", port);
});
});
任何帮助都会很棒,我已经搞砸了一段时间。这也是我关于堆栈溢出的第一篇文章,所以如果需要更多信息或者我的问题的格式很笨拙,请随时提问!上传的应用程序的链接是“ https://bookstore-matt-vroom.herokuapp.com ”,点击“新书”并填写信息时会出现问题。