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如何传入“app”,以便在model.js文件中创建端点?

sequelize.js express node.js

SirRupertIII · 技术社区 · 6 年前

app 我可以直接从那里添加端点。我在用Sequelize。我的一个模型看起来像这样:

const user = function (sequelize, DataTypes) {
const User = sequelize.define('user', {
       id: {
           type: DataTypes.STRING,
           primaryKey: true,
           unique: true
       },
       name: {
           type: DataTypes.STRING,
       },
       email: {
           type: DataTypes.STRING,
       },
   });


   return User;
};

module.exports = user;

我创造具有 var app = express(); server.js

  const Sequelize = require('sequelize');

  const sequelize = new Sequelize('carswaddle', 'kylekendall', 'password', {
    dialect: 'postgres',
  });

  const models = {
    User: sequelize.import('./user'),
    Service: sequelize.import('./service'),
  };

  Object.keys(models).forEach(key => {
    if ('associate' in models[key]) {
      models[key].associate(models);
    }
  });

  models.sequelize = sequelize;
  models.Sequelize = Sequelize;

  module.exports = models;

1 回复 | 直到 6 年前

Rahul Sharma 6 年前

您可以通过此博客开始了解最佳实践和文件结构

应用程序的入口点应该这样定义

// This will be our application entry. We'll setup our server here.
const http = require('http');
const app = require('../app'); // The express app we just created

const port = parseInt(process.env.PORT, 10) || 8000;
app.set('port', port);

const server = http.createServer(app);
server.listen(port);

在这种情况下,您只能启动express服务器。

https://scotch.io/tutorials/getting-started-with-node-express-and-postgres-using-sequelize

你的应用程序的文件夹结构应该是这样的,你可以根据自己的方便进行自定义,但应该类似于此

âââ app.js
âââ bin
â   âââ www
âââ package.json
âââ server
    âââ config
    â   âââ config.json
    âââ migrations
    âââ models
    â   âââ index.js
    âââ seeders

现在您的模型文件夹将包含所有数据库模型。

const express = require('express');
const logger = require('morgan');
const bodyParser = require('body-parser');

const app = express();
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));

// Require our routes into the application.
require('./server/routes')(app);
app.get('*', (req, res) => res.status(200).send({
  message: 'Welcome to the beginning of nothingness.',
}));

module.exports = app;

要编写控制器,应该在控制器中导入模型。

const Todo = require('../models').Todo;

module.exports = {
  create(req, res) {
    return Todo
      .create({
        title: req.body.title,
      })
      .then(todo => res.status(201).send(todo))
      .catch(error => res.status(400).send(error));
  },
};

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