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私は新しいことを表現しており、私はチュートリアルに従っています。私は現在、播種の部分にいる。私の問題は、私がこのコマンドを実行すると、node product-seeder.js端末にあり、データはdbでも作成されません。私のdbはまだ存在していませんが、データが保存されていれば作成されることを読んでいます。まず、Mongoose mpromise is deprecatedというエラーが出るので、私のファイルにはいつもmongooseが必要なときにmongoose.Promise = global.Promise;を入れます。マングースはデータを保存しません
var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var mongoose = require('mongoose');
var index = require('./routes/index');
var app = express();
//connect to mongose
mongoose.Promise = global.Promise;
mongoose.connect('localhost:27017/shopping-cart');
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');
// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use('/', index);
// catch 404 and forward to error handler
app.use(function(req, res, next) {
var err = new Error('Not Found');
err.status = 404;
next(err);
});
// error handler
app.use(function(err, req, res, next) {
// set locals, only providing error in development
res.locals.message = err.message;
res.locals.error = req.app.get('env') === 'development' ? err : {};
// render the error page
res.status(err.status || 500);
res.render('error');
});
module.exports = app;マイプロダクトスキーマ
var mongoose = require('mongoose');
var Schema = mongoose.Schema;
var schema = new Schema({
\t imagePath: {type: String, required: true},
\t title: {type: String, required: true},
\t description: {type: String, required: true},
\t price: {type: Number, required: true}
});
module.exports = mongoose.model('Product', schema);models/product.jsで：ここで
seederディレクトリ内：
var Product = require('../models/product');
var mongoose = require('mongoose');
mongoose.Promise = global.Promise;
var products = [
\t new Product({
\t \t imagePath: 'http://www.laptopmag.com/images/uploads/4989/g/apple-macbook-pro-13-2016-nw-g02.jpg',
\t \t title: 'MacBook Pro 2016',
\t \t description: 'Should we really call this a pro?',
\t \t price: 1299
\t }),
\t new Product({
\t \t imagePath: 'https://ss7.vzw.com/is/image/VerizonWireless/pdp-feature4-d-iphone7-bn-v2?&scl=1&bgc=ffffff&scl=1&scl=2',
\t \t title: 'iPhone 7 Plus',
\t \t description: 'iPhone with no headphone jack. Lmao',
\t \t price: 899
\t }),
\t new Product({
\t \t imagePath: 'https://www.extremetech.com/wp-content/uploads/2014/02/nokia-x-range.jpg',
\t \t title: 'Nokia X',
\t \t description: 'Failed Nokia Normandy project',
\t \t price: 99
\t }),
\t new Product({
\t \t imagePath: 'http://cdn2.gsmarena.com/vv/pics/nokia/nokia-n9-all-1.jpg',
\t \t title: 'Nokia N9',
\t \t description: 'Dead on arrival Meego OS powered smartphone',
\t \t price: 56
\t }),
\t new Product({
\t \t imagePath: 'https://store.storeimages.cdn-apple.com/4974/as-images.apple.com/is/image/AppleInc/aos/published/images/m/ac/macbook/air/macbook-air-gallery2-2014?wid=1292&hei=766&fmt=jpeg&qlt=95&op_sharpen=0&resMode=bicub&op_usm=0.5,0.5,0,0&iccEmbed=0&layer=comp&.v=1476297407703',
\t \t title: 'MacBook Air',
\t \t description: 'Most portable notebook from Apple',
\t \t price: 999
\t })
];
var done = 0;
for(var i=0; i < products.length; i++) {
\t var saved = products[i].save();
\t saved.then(function(err, result) {
\t \t if(err) {
\t \t \t console.log(err);
\t \t }
\t \t else {
\t \t \t done++;
\t \t \t if(done === products.length)
\t \t \t \t exit();
\t \t }
\t });
}
function exit() {
\t mongoose.disconnect();
\t console.log("Product seeding done!");
}私はあなたの製品seeder.jsでマングースを経由してのMongoDBへの接続が欠落している間違った