sequelize.define错误：在nodejs中没有方法“define”
这是我pipe理所有数据库模型的managedb.js：
var Sequelize = require('sequelize-postgres').sequelize var postgres = require('sequelize-postgres').postgres var db = new Sequelize('testdb', 'postgres', 'postgres', { dialect: 'postgres' }) var models = [ 'user' ]; models.forEach(function(model) { module.exports[model] = db.import(__dirname + '/' + model); }); exports.db = db; 这是我的user.js
var sequelize = require("sequelize"); var seq = require("./managedb"); var db = seq.db; var Project = db.define('Project', { title: sequelize.STRING, description: sequelize.TEXT });
在我的app.js
var seq = require('./models/managedb'); seq.db.sync();
我得到的错误是这样的：
var Project = sequelize.define('Project', { ^ TypeError: Object function (database, username, password, options) { var urlParts options = options || {} if (arguments.length === 1 || (arguments.length === 2 && typeof username === 'object')) { options = username || {} urlParts = url.parse(arguments[0]) database = urlParts.path.replace(/^\//, '') dialect = urlParts.protocol options.dialect = urlParts.protocol.replace(/:$/, '') options.host = urlParts.hostname if (urlParts.port) { options.port = urlParts.port } if (urlParts.auth) { username = urlParts.auth.split(':')[0] password = urlParts.auth.split(':')[1] } } this.options = Utils._.extend({ dialect: 'mysql', host: 'localhost', port: 3306, protocol: 'tcp', define: {}, query: {}, sync: {}, logging: console.log, omitNull: false, queue: true, native: false, replication: false, pool: {}, quoteIdentifiers: true }, options || {}) if (this.options.logging === true) { console.log('DEPRECATION WARNING: The logging-option should be either a function or false. Default: console.log') this.options.logging = console.log } this.config = { database: database, username: username, password: (( (["", null, false].indexOf(password) > -1) || (typeof password == 'undefined')) ? null : password), host : this.options.host, port : this.options.port, pool : this.options.pool, protocol: this.options.protocol, queue : this.options.queue, native : this.options.native, replication: this.options.replication, maxConcurrentQueries: this.options.maxConcurrentQueries } var ConnectorManager = require("./dialects/" + this.options.dialect + "/connector-manager") this.daoFactoryManager = new DAOFactoryManager(this) this.connectorManager = new ConnectorManager(this, this.config) this.importCache = {} } has no method 'define'
这是因为你必须实例化Sequelize。
var Sequelize = require("sequelize"); var sequelize = new Sequelize('database', 'username'); var Project = sequelize.define('Project', { title: sequelize.STRING, description: sequelize.TEXT });