背景：const EventUser = sequelize.define('userEvents', { payStatus: Sequelize.STRING
})
User.belongsToMany(Event, { through: EventUser})
Event.belongsToMany(User, { through: EventUser})使用： const event = await EventModel.getEventDetail(eventId); const user = await UserModel.findUserById(userId); //這里event和user都是有值的，確認(rèn)
try { await event.addUser(user, { through: { payStatus: payStatus }}) //這里報(bào)錯(cuò)
} catch (e) {
console.log(e)
}
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Event.findOne({
where: {
id: eventId
},
}).then(event => { console.log(event)
User.findById(userId).then(user => { console.log(user)
event.addUser(user, { through: { payStatus: payStatus }})
});
})
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