【发布时间】:2018-01-23 01:53:58
【问题描述】:
我正在为我的 Web 应用程序使用 Sequelize Node.js ORM。当我启动我的节点服务器时面临以下问题。
以下是更多细节
错误:
project_directory_path\node_modules\sequelize\lib\sequelize.js:322
model.init(属性,选项);
TypeError:model.init 不是函数 在 Sequelize.define (project_directory_path\node_modules\sequelize\lib\sequelize.js:322:11) 在 module.exports (project_directory_path\models\sequelize\app_config_setting.js:2:41) 在 Sequelize.import (project_directory_path\node_modules\sequelize\lib\sequelize.js:379:32) 在 project_directory_path\models\index.js:34:48 在 Array.forEach (本机) 在对象。 (project_directory_path\models\index.js:31:6) 在 Module._compile (module.js:425:26) 在 Object.Module._extensions..js (module.js:432:10) 在 Module.load (module.js:356:32) 在 Function.Module._load (module.js:311:12) 在 Module.require (module.js:366:17) 在需要 (module.js:385:17) 在对象。 (project_directory_path\server.js:12:14) 在 Module._compile (module.js:425:26) 在 Object.Module._extensions..js (module.js:432:10) 在 Module.load (module.js:356:32) 在 Function.Module._load (module.js:311:12) 在 Function.Module.runMain (module.js:457:10) 启动时 (node.js:136:18) 在 node.js:972:3
版本:
节点版本 v5.0.0, 续集版本:“^4.4.2”, 方言:“mysql”
index.js 文件(加载所有模型)
var fs = require('fs');
var path = require('path');
var sequelize = require('sequelize');
var sequelizeConnection =
require('../configs/dbConnection.js').exposeSequelizeConnectionObj();
var sequelizeModelDir = path.join(__dirname, 'sequelize');
var dbModels = {};
fs.readdirSync(sequelizeModelDir)
//avoiding the index.js and all other files
//expect the model files
.filter(function (file) {
return (file.indexOf(".") !== 0) && (file !== "index.js");
})
//iterating on each models and importing it
//in sequelize connection object
.forEach(function (file) {
var dir = 'sequelize/';
var models = sequelizeConnection.import(path.join(sequelizeModelDir, file));
dbModels[models.name] = models;
});
//exposing all the models
module.exports = dbModels;
dbModels.sequelize = sequelizeConnection;
我的一个模型(只是想了解一下)
module.exports = function (sequelize,DataTypes) {
var roles = sequelize.define(
'roles',
{
id: {autoIncrement: true, type: DataTypes.INTEGER(11), allowNull: false, primaryKey: true},
role_name: {type: DataTypes.ENUM('super_admin'), allowNull: false},
code_name: {type: DataTypes.ENUM('super_admin'), allowNull: false},
row_status: {type: DataTypes.ENUM('active','inactive'), allowNull: true}
},
{
timestamps: false,
paranoid: true,
freezeTableName: true,
tableName: 'roles'
}
);
return roles; };
数据库连接文件:
var sequelize = require('sequelize');
var sequelizeConnectionObj = new sequelize(process.env.DB_DATABASE_NAME,
process.env.DB_USERNAME, process.env.DB_PASSWORD, {
host: process.env.DB_HOSTNAME,
dialect: 'mysql',
define: {
timestamps: false
},
dialectOptions: {
multipleStatements: true
},
logging: false,
pool: {
max: 15,
min: 0,
idle: 10000
}
});
exports.exposeSequelizeConnectionObj = function connectSequelize() {
return sequelizeConnectionObj;
};
【问题讨论】:
标签: javascript node.js sequelize.js