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                ??一站式輕松地調用各大LLM模型接口,支持GPT4、智譜、豆包、星火、月之暗面及文生圖、文生視頻 廣告
                [TOC] ### 一對一關聯模型 滿足條件:一個人只能對應一個身份證,一個身份證只能對應一個人 示例: ![](https://box.kancloud.cn/adddf04317749f8b90e193787062bc43_610x216.png) student 學生表 card 身份證表 >[danger] 一對一可以在任意一個表添加外鍵 > 注意!!! 一對一外鍵需要添加 unique 唯一約束 ***** 反向關聯 ``` 'use strict'; const moment = require('moment'); module.exports = app => { const { STRING, INTEGER, DATE } = app.Sequelize; const Flow = app.model.define('flow', { id: { type: INTEGER.UNSIGNED, primaryKey: true, autoIncrement: true }, status: { type: INTEGER}, index: { type: INTEGER }, type: { type: INTEGER }, art_id: { type: INTEGER } }); Flow.associate = function() { app.model.Flow.belongsTo(app.model.Movie, { as: 'movie', foreignKey: 'art_id', targetKey: 'id'}); } // 獲取最新期刊 Flow.getNewFlowByIndex = async function() { const flow = await this.findOne({ // 主表只查詢的字段 attributes: ['index'], include: [{ model: app.model.Movie, as: 'movie', // 副表查詢的字段 attributes: ['image', 'content', 'title'] }], order: [ ['index', 'DESC'] ] }); return flow ? flow.dataValues : false; } return Flow; }; ```
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