60 lines
1.1 KiB
JavaScript
60 lines
1.1 KiB
JavaScript
/**
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* 模型索引文件
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* @file index.js
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* @description 导出所有模型并建立关联关系
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*/
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const { sequelize } = require('../config/database');
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// 导入所有模型
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const User = require('./User');
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const Role = require('./Role');
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const Account = require('./Account');
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const Transaction = require('./Transaction');
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// 定义模型关联关系
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// 用户与角色关联
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User.belongsTo(Role, {
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foreignKey: 'role_id',
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as: 'role',
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targetKey: 'id'
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});
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Role.hasMany(User, {
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foreignKey: 'role_id',
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as: 'users'
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});
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// 用户与账户关联
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User.hasMany(Account, {
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foreignKey: 'user_id',
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as: 'accounts'
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});
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Account.belongsTo(User, {
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foreignKey: 'user_id',
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as: 'user'
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});
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// 账户与交易记录关联
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Account.hasMany(Transaction, {
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foreignKey: 'account_id',
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as: 'transactions'
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});
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Transaction.belongsTo(Account, {
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foreignKey: 'account_id',
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as: 'account'
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});
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// 交易记录与用户关联（通过账户）
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// 移除不合理的Transaction->User through Account的belongsTo定义，避免错误外键映射
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// 导出所有模型和数据库实例
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module.exports = {
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sequelize,
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User,
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Role,
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Account,
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Transaction
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}; |