Sequelizejs与...无关

Question

我做了一些同事，但它没有用，可能跟我说错了，请求帮助。 有两种模式

module.exports = function (sequelize, DataTypes) {
var pages_lang = require('./pages_lang')(sequelize, DataTypes);
return sequelize.define('pages', {
    id: {
        type: DataTypes.INTEGER(10),
        allowNull: false,
        primaryKey: true,
        autoIncrement: true,
        references :  { model: "pages_lang", key: "page_id" }
    },
    name: {
        type: DataTypes.STRING,
        allowNull: false
    },
    published: {
        type: DataTypes.BOOLEAN,
        allowNull: false,
        defaultValue: '0'
    },
    createdAt: {
        type: DataTypes.DATE,
        allowNull: false,
        defaultValue: '0000-00-00 00:00:00'
    },
    updatedAt: {
        type: DataTypes.DATE,
        allowNull: false,
        defaultValue: '0000-00-00 00:00:00'
    }
}, {
    classMethods: {
        associate: function (models) {
            this.hasMany(models.pages_lang, {onDelete: 'SET NULL', onUpdate: 'CASCADE', foreignKey: 'page_id', as: 'pages', through: models.pages_lang});
        },
        getAll() {
            return this.findAll({include: [{model: pages_lang, as: 'pages_lang'}]}).then(function (result) {
                return result;
            });
        }
    }
});

};

module.exports = function (sequelize, DataTypes) {
return sequelize.define('pages_lang', {
    id: {
        type: DataTypes.INTEGER(10),
        allowNull: false,
        primaryKey: true,
        autoIncrement: true
    },
    page_id: {
        type: DataTypes.INTEGER(10),
        allowNull: false,
        references :  { model: "pages", key: "id" }
    },
    content: {
        type: DataTypes.TEXT,
        allowNull: false
    }
}, {
    classMethods: {
        associate: function (models) {
            this.belongsTo(models.pages, {foreignKey: 'id', foreignKeyConstraint:true, as: 'pages', through: models.pages});
        }
    }
});

};

但是当你将结果调成错误时

  

未处理拒绝错误：pages_lang（pages_lang）未关联   到页面！

非常感谢帮助

Answer 1

您的关联别名（as）应该与您传递给findAll

的内容相匹配

this.hasMany(models.pages_lang, {onDelete: 'SET NULL', onUpdate: 'CASCADE', foreignKey: 'page_id', as: 'pages_lang' });

return this.findAll({include: [{model: pages_lang, as: 'pages_lang'}]});

由于该模型已被称为pages_lang，您还可以完全跳过别名：

this.hasMany(models.pages_lang, {onDelete: 'SET NULL', onUpdate: 'CASCADE', foreignKey: 'page_id'});

return this.findAll({include: [pages_lang]});

请注意，我删除了through参数 - 它只应用于belongsToMany（多对多）