Node.js 在Sequelize中创建具有多个关联的实例
我有NodeJS作为后端,我的数据库是MySql。Sequelize是我的ORM。 在Sequelize 5中,我有两个类:修井、用户(机械师)、客户、客户和专家办公室。 我的数据模型并不复杂,只有1:1的关系。工作订单有一个客户、一个客户和一个专家办公室 我使用Postman来测试我的api。创建包含一些客户字段的工作订单时,会创建工作订单,但不会创建客户 我的关联文件如下所示:Node.js 在Sequelize中创建具有多个关联的实例,node.js,sequelize.js,sequelize-cli,Node.js,Sequelize.js,Sequelize Cli,我有NodeJS作为后端,我的数据库是MySql。Sequelize是我的ORM。 在Sequelize 5中,我有两个类:修井、用户(机械师)、客户、客户和专家办公室。 我的数据模型并不复杂,只有1:1的关系。工作订单有一个客户、一个客户和一个专家办公室 我使用Postman来测试我的api。创建包含一些客户字段的工作订单时,会创建工作订单,但不会创建客户 我的关联文件如下所示: const User = require('../models/user'); const WorkOrder =
const User = require('../models/user');
const WorkOrder = require('../models/work-order');
const Customer = require('../models/customer');
const Client = require('../models/client');
const ExpertiseOffice = require('../models/expertise-office');
WorkOrder.belongsTo(User, { foreignKey: 'mechanicId' });
WorkOrder.belongsTo(Client, { foreignKey: 'clientId' });
WorkOrder.belongsTo(Customer, { foreignKey: 'customerId' });
WorkOrder.belongsTo(ExpertiseOffice, { foreignKey: 'expertiseOfficeId' });
// WORK-ORDER MODEL
const Customer = require('./customer');
const Client = require('./client');
const ExpertiseOffice = require('./expertise-office');
const User = require('./user');
const Sequelize = require('sequelize');
const sequelize = require('../util/database');
const WorkOrder = sequelize.define('workOrders', {
id: {
type: Sequelize.UUID,
allowNull: false,
primaryKey: true,
},
projectNumber: {
type: Sequelize.INTEGER,
allowNull: true,
},
dateInspection: {
type: Sequelize.DATE,
allowNull: true,
},
mechanicId: {
type: Sequelize.UUID,
allowNull: true,
references: {
// User belongsTo WorkOrder 1:1
model: 'User',
key: 'id',
},
},
clientId: {
// Opdrachtgever
type: Sequelize.UUID,
allowNull: true,
references: {
// Client belongsTo WorkOrder 1:1
model: 'Client',
key: 'id',
},
},
customerId: {
// klant
type: Sequelize.UUID,
allowNull: true,
references: {
// Customer belongsTo WorkOrder 1:1
model: 'Customer',
key: 'id',
},
},
expertiseOfficeId: {
type: Sequelize.UUID,
allowNull: true,
references: {
// ExpertiseOffice belongsTo WorkOrder 1:1
model: 'ExpertiseOffice',
key: 'id',
},
},
leakageReason: {
type: Sequelize.STRING,
allowNull: true,
},
status: {
type: Sequelize.STRING,
allowNull: true,
},
// Timestamps
createdAt: Sequelize.DATE,
updatedAt: Sequelize.DATE,
});
module.exports = WorkOrder;
WorkOrder模型如下所示:
const User = require('../models/user');
const WorkOrder = require('../models/work-order');
const Customer = require('../models/customer');
const Client = require('../models/client');
const ExpertiseOffice = require('../models/expertise-office');
WorkOrder.belongsTo(User, { foreignKey: 'mechanicId' });
WorkOrder.belongsTo(Client, { foreignKey: 'clientId' });
WorkOrder.belongsTo(Customer, { foreignKey: 'customerId' });
WorkOrder.belongsTo(ExpertiseOffice, { foreignKey: 'expertiseOfficeId' });
// WORK-ORDER MODEL
const Customer = require('./customer');
const Client = require('./client');
const ExpertiseOffice = require('./expertise-office');
const User = require('./user');
const Sequelize = require('sequelize');
const sequelize = require('../util/database');
const WorkOrder = sequelize.define('workOrders', {
id: {
type: Sequelize.UUID,
allowNull: false,
primaryKey: true,
},
projectNumber: {
type: Sequelize.INTEGER,
allowNull: true,
},
dateInspection: {
type: Sequelize.DATE,
allowNull: true,
},
mechanicId: {
type: Sequelize.UUID,
allowNull: true,
references: {
// User belongsTo WorkOrder 1:1
model: 'User',
key: 'id',
},
},
clientId: {
// Opdrachtgever
type: Sequelize.UUID,
allowNull: true,
references: {
// Client belongsTo WorkOrder 1:1
model: 'Client',
key: 'id',
},
},
customerId: {
// klant
type: Sequelize.UUID,
allowNull: true,
references: {
// Customer belongsTo WorkOrder 1:1
model: 'Customer',
key: 'id',
},
},
expertiseOfficeId: {
type: Sequelize.UUID,
allowNull: true,
references: {
// ExpertiseOffice belongsTo WorkOrder 1:1
model: 'ExpertiseOffice',
key: 'id',
},
},
leakageReason: {
type: Sequelize.STRING,
allowNull: true,
},
status: {
type: Sequelize.STRING,
allowNull: true,
},
// Timestamps
createdAt: Sequelize.DATE,
updatedAt: Sequelize.DATE,
});
module.exports = WorkOrder;
在前端应用程序中,只需要非常有限的字段,因为前端用户可以在稍后添加有关客户、客户端等的信息
目前,我的带有create WorkOrder代码的WorkOrder控制器(工作不正常)是这样的
exports.createWorkOrder = (req, res, next) => {
console.log('####-in the createWorkOrder endpoint');
console.log('####-LC-body', req.body);
const id = req.body.id;
const projectNumber = req.body.projectNumber;
const dateInspection = req.body.dateInspection;
const followupInspection = req.body.followupInspection;
const clientPresent = req.body.clientPresent;
const MechanicId = req.body.mechanicId;
const ClientId = req.body.clientId;
const CustomerId = req.body.customerId;
const expertiseOfficeId = req.body.expertiseOfficeId;
const leakageReason = req.body.leakageReason;
const visibleWaterDamage = req.body.visibleWaterDamage;
const visibleWaterDamagePeriod = req.body.visibleWaterDamagePeriod;
const buildingType = req.body.buildingType;
const renovatedYear = req.body.renovatedYear;
const status = req.body.Status;
WorkOrder.create({
id: id,
projectNumber: projectNumber,
dateInspection: dateInspection,
followupInspection: followupInspection,
clientPresent: clientPresent,
mechanicId: MechanicId,
clientId: ClientId,
customerId: CustomerId,
expertiseOfficeId: expertiseOfficeId,
leakageReason: leakageReason,
visibleWaterDamage: visibleWaterDamage,
visibleWaterDamagePeriod: visibleWaterDamagePeriod,
buildingType: buildingType,
renovatedYear: renovatedYear,
status: status,
})
.then((result) => {
console.log('####-work-order create!');
res.status(200).json({
message: 'Work order successfully created!',
data: result,
});
// return res.json(result);
})
.catch((err) => {
console.log('error', err);
});
};
我的邮递员帖子的主体是:
{
"id": "1116d911-b4fd-4ce5-9541-0a9efd3b6c98",
"projectNumber": 1002,
"dateInspection": null,
"mechanicId": null,
"ClientId": null,
"CustomerId":"2226d911-b4fd-4ce5-9541-0a9efd3b6c98",
"ExpertiseOfficeId":null,
"leakageReason": "Test reden",
"status": "Open",
"user": null,
"customer": {
"id": "2226d911-b4fd-4ce5-9541-0a9efd3b6c98",
"name": "Test naam customer",
"companyName": null,
"contactPerson": null,
"email": null,
"street": "test adres",
"houseNumber": "1",
"houseNumberExt": "",
"zipCode": "1111AA",
"city": "Amsterdam",
"phoneNumber": null
},
"client": null,
"expertiseOffice": null
}
如何使用相关数据(如客户或客户数据)创建工作订单?创建的数据在开始时未完成,前端用户将添加更多数据以完成一个工单
非常感谢您的阅读和帮助。
Pete您可以使用sequelize的父创建方法包含子模型。只是你必须管理好正确的命名,比如 如果您的子模型名称是Custome,那么您的身体必须是这样的
{
//parent model colunm
"Customer":{
// customer model column names
}
}
WorkOrder.create(req.body,{include:[Customer]})
在你的情况下,你可以这样做
{
//parent model colunm
"Customer":{
// customer model column names
}
}
WorkOrder.create(req.body,{include:[Customer]})
请不要只发布代码作为答案,还要解释代码的作用以及它是如何解决问题的。带解释的答案通常更有帮助,质量更好,更有可能吸引更多的选票。亲爱的Vyas Arpit,非常感谢您的回复。这个:WorkOrder.create(req.body,{include:[Customer]})成功了@PeteBaser很高兴能帮上忙:)你好@VyasArpit,我问了一个关于同一个工作订单的更新流程的问题:,你能帮我吗?非常感谢。。皮特