Node.js 未处理的拒绝SequelizeAgerLoadingError:未关联到属性',并且无法读取该属性;getTableName';未定义的
我有3张表:用户表、行程表、授权表。 这是我的同事: 一个用户有多个行程,一个用户有一个授权日期 用户一对多行程 用户一对一授权 这是模型 使用者 绊倒 授权Node.js 未处理的拒绝SequelizeAgerLoadingError:未关联到属性',并且无法读取该属性;getTableName';未定义的,node.js,orm,sequelize.js,Node.js,Orm,Sequelize.js,我有3张表:用户表、行程表、授权表。 这是我的同事: 一个用户有多个行程,一个用户有一个授权日期 用户一对多行程 用户一对一授权 这是模型 使用者 绊倒 授权 module.exports = (sequelize, DataTypes) => { const authoriseDate = sequelize.define('AuthoriseDate', { id: { type: DataTypes.INTEGER, primaryKey: true, autoIncre
module.exports = (sequelize, DataTypes) => {
const authoriseDate = sequelize.define('AuthoriseDate', {
id: { type: DataTypes.INTEGER, primaryKey: true, autoIncrement: true },
userId: DataTypes.INTEGER,
lastAuthorise: DataTypes.DATE,
}, {
classMethods: {
associate(models) {
// associations can be defined here
authoriseDate.belongsTo(models.User, { foreignKey: 'userId', });
},
},
});
return authoriseDate;
};
但是当我使用findAll函数时
models.User.findAll({
include: [{
model: models.Trip,
},
{
model: models.authoriseDate,
}],
})
这是我的模型文件
'use strict';
var fs = require('fs');
var path = require('path');
var Sequelize = require('sequelize');
var basename = path.basename(module.filename);
//var env = process.env.NODE_ENV || 'development';
//var config = require(__dirname + './../../../config/config.json')[env];
var config = require('../../config/env')
var db = {};
// if (config.use_env_variable) {
// var sequelize = new Sequelize(process.env[config.use_env_variable]);
// } else {
// var sequelize = new Sequelize(config.database, config.username, config.password, config);
// }
var sequelize = new Sequelize(config.dbName, config.dbUserName, config.dbPassword, {
host: config.dbHost,
dialect: config.dbDialect,
});
fs
.readdirSync(__dirname)
.filter(function (file) {
return (file.indexOf('.') !== 0) && (file !== basename);
})
.forEach(function (file) {
if (file.slice(-3) !== '.js') return;
var model = sequelize['import'](path.join(__dirname, file));
db[model.name] = model;
});
Object.keys(db).forEach(function (modelName) {
if (db[modelName].associate) {
db[modelName].associate(db);
}
});
db.sequelize = sequelize;
db.Sequelize = Sequelize;
module.exports = db;
我得到的错误是:
未处理的拒绝SequelizeAgerLoadingError:Trip未与用户关联,无法读取未定义的属性“getTableName”
我不知道如何解决这些错误,请任何人帮助我您需要调用函数助理 例如: 授权模型
module.exports = (sequelize, DataTypes) => {
const authoriseDate = sequelize.define('AuthoriseDate', {
id: { type: DataTypes.INTEGER, primaryKey: true, autoIncrement: true },
userId: DataTypes.INTEGER,
lastAuthorise: DataTypes.DATE,
});
authoriseDate.associate = (models) => {
// associations can be defined here
authoriseDate.belongsTo(models.User, { foreignKey: 'userId', });
};
return authoriseDate;
};
出行模型
module.exports = (sequelize, DataTypes) => {
const trip = sequelize.define('Trip', {
id: { type: DataTypes.INTEGER, primaryKey: true, autoIncrement: true },
userId: DataTypes.INTEGER,
status: DataTypes.INTEGER,
});
trip.associate = (models) => {
// associations can be defined here
trip.belongsTo(models.User, { foreignKey: 'userId' });
};
return trip;
};
用户模型
module.exports = (sequelize, DataTypes) => {
const user = sequelize.define('User', {
id: { type: DataTypes.INTEGER, primaryKey: true, autoIncrement: true },
email: { type: DataTypes.STRING(50), unique: true },
phoneNumber: {
type: DataTypes.STRING(12), unique: true,
},
});
user.associate = (models) => {
// associations can be defined here
user.hasOne(models.AuthoriseDate, { foreignKey: 'userId' });
user.hasMany(models.Trip, { foreignKey: 'userId' });
};
return user;
};
初始模型
'use strict';
var fs = require('fs');
var path = require('path');
var Sequelize = require('sequelize');
var basename = path.basename(module.filename);
//var env = process.env.NODE_ENV || 'development';
//var config = require(__dirname + './../../../config/config.json')[env];
// var config = require('../../config/env')
var db = {};
var sequelize = new Sequelize('test_01', 'root', 'root', {
host: 'localhost',
dialect: 'mysql',
});
fs
.readdirSync(__dirname)
.filter(function (file) {
return (file.indexOf('.') !== 0) && (file !== basename);
})
.forEach(function (file) {
if (file.slice(-3) !== '.js') return;
var model = sequelize['import'](path.join(__dirname, file));
db[model.name] = model;
});
console.log(db);
Object.keys(db).forEach((modelName) => {
if (db[modelName].associate) {
db[modelName].associate(db);
}
});
(async () => {
await sequelize.sync();
})();
db.sequelize = sequelize;
db.Sequelize = Sequelize;
module.exports = db;
使用查找
(async () => {
const models = require('./models');
const users = await models.User.findAll({
include: [
{
model: models.Trip,
},
{
model: models.AuthoriseDate,
},
],
});
console.log(users);
})();
是的,我在我的索引模型中做了,你可以看到我的更新我必须这样创建关联?hasMany(User,{as:'Workers'})我想我是在我的模型中这样做的。classMethods:{associate(models){//associations可以在这里定义authorizeDate.belongsTo(models.User,{foreignKey:'userId',});},},不,这是示例。您可以初始化associate。你是在“查找”之后还是之前初始化关联的?那我现在该怎么做?显示你的模型导入文件
'use strict';
var fs = require('fs');
var path = require('path');
var Sequelize = require('sequelize');
var basename = path.basename(module.filename);
//var env = process.env.NODE_ENV || 'development';
//var config = require(__dirname + './../../../config/config.json')[env];
// var config = require('../../config/env')
var db = {};
var sequelize = new Sequelize('test_01', 'root', 'root', {
host: 'localhost',
dialect: 'mysql',
});
fs
.readdirSync(__dirname)
.filter(function (file) {
return (file.indexOf('.') !== 0) && (file !== basename);
})
.forEach(function (file) {
if (file.slice(-3) !== '.js') return;
var model = sequelize['import'](path.join(__dirname, file));
db[model.name] = model;
});
console.log(db);
Object.keys(db).forEach((modelName) => {
if (db[modelName].associate) {
db[modelName].associate(db);
}
});
(async () => {
await sequelize.sync();
})();
db.sequelize = sequelize;
db.Sequelize = Sequelize;
module.exports = db;
(async () => {
const models = require('./models');
const users = await models.User.findAll({
include: [
{
model: models.Trip,
},
{
model: models.AuthoriseDate,
},
],
});
console.log(users);
})();