[英]Node.js Sequelize ORM model issue
我正在为我的Web应用程序使用Sequelize Node.js ORM。 当我启动节点服务器时面临以下问题。
以下是更多详细信息
错误 :
project_directory_path \\ node_modules \\ sequelize \\ LIB \\ sequelize.js:322
model.init(属性,选项);
TypeError:model.init不是 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)处的函数Sequelize.import(project_directory_path \\ node_modules \\ sequelize \\ lib \\ sequelize.js:379:32)位于Array.forEach(native)的project_directory_path \\ models \\ index.js:34:48。 (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(模块.js:356:32)(位于Function.Module._load(module.js:311:12)(位于Module.require(module.js:366:17))(需要)(Object.js:385:17)。 (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)在启动时(node.js:136:18)在node.js :972:3
版本号 :
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;
我的模型之一 (只是想出主意)
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;
};
通过更新节点模块解决了问题
即npm更新
只需更新您的节点模块。
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