我在两个模型 Hospital
和 Contact
之间存在多对多关联。添加了 contact 处的记录,但关联表 hospitals_contacts
中没有条目。 Sequelize 生成外键 contact_id 和 Hospital_id 作为复合主键。
联系人模型
module.exports = function(sequelize, DataTypes) {
var Contact = sequelize.define("Contact", {
job_title: DataTypes.STRING,
first_name: DataTypes.STRING,
last_name: DataTypes.STRING,
archived: DataTypes.BOOLEAN,
primary_email: {
type: DataTypes.STRING,
validate: {
isEmail: true
}
},
business_number: DataTypes.STRING,
number_extension: DataTypes.STRING,
fax_number: DataTypes.STRING
}, {
underscored:'true',
tableName: 'contacts',
createdAt: false,
updatedAt: false,
classMethods: {
associate: function(models) {
Contact.belongsToMany(models.Hospital, { through: 'hospitals_contacts'});
Contact.belongsTo(models.Type);
Contact.belongsTo(models.Region)
}
},
});
return Contact;
};
医院模型
module.exports = function(sequelize, DataTypes) {
var Hospital = sequelize.define("Hospital", {
name: DataTypes.STRING,
mak_code: DataTypes.STRING,
licensed_tm_lab: DataTypes.BOOLEAN
}, {
underscored:'true',
tableName: 'hospitals',
createdAt: false,
updatedAt: false,
classMethods: {
associate: function(models) {
Hospital.belongsToMany(models.Contact, { through: 'HospitalsContacts'});
Hospital.belongsTo(models.Address)
}
}
});
return Hospital;
};
用于添加联系人的 API 端点
var hospitalInstance = models.Hospital;
var contactData = req.body;
models.Contact.create({
first_name: contactData.first_name,
last_name: contactData.last_name,
type_id: contactData.type,
job_title: contactData.job_title,
primary_email: contactData.email,
business_number:contactData.phone_number,
fax_number:contactData.fax,
number_extension:contactData.extension,
region_id: contactData.region,
committee_id: contactData.committee,
archived: false,
hospitalInstance: {id:contactData.hospital}
},
{
include: [hospitalInstance]
});
最佳答案
我建议您尝试以下操作:
更改“联系人”中的“通过”属性以匹配医院:HospitalsContacts 中的“通过”属性,这样您就可以:
Contact.belongsToMany(models.Hospital, { through: 'HospitalsContacts'}); //Contact
Hospital.belongsToMany(models.Contact, { through: 'HospitalsContacts'}); //Hospital
现在我假设您已经创建了医院,并且只想创建与该医院关联的新联系人,对吗?如果是这样:
var hospital = (...)
hospital.createHospitalContact({
first_name: contactData.first_name,
last_name: contactData.last_name,
type_id: contactData.type,
job_title: contactData.job_title,
primary_email: contactData.email,
business_number:contactData.phone_number,
fax_number:contactData.fax,
number_extension:contactData.extension,
region_id: contactData.region,
committee_id: contactData.committee,
archived: false,
}).then(function(contact) {
//Do something
})
关于mysql - Sequelize 多对多关联连接表未填充,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/35714303/