修改保险后端代码，政府前端代码

bank-backend/models/index.js

@@ -10,6 +10,11 @@ const User = require('./User');
 const Role = require('./Role');
 const Account = require('./Account');
 const Transaction = require('./Transaction');
+const LoanProduct = require('./LoanProduct');
+const Employee = require('./Employee');
+const Department = require('./Department');
+const Position = require('./Position');
+const Report = require('./Report');
 
 // 定义模型关联关系
 
@@ -50,11 +55,52 @@ Transaction.belongsTo(Account, {
 // 交易记录与用户关联（通过账户）
 // 移除不合理的Transaction->User through Account的belongsTo定义，避免错误外键映射
 
+// 员工与部门关联
+Employee.belongsTo(Department, {
+  foreignKey: 'department_id',
+  as: 'department',
+  targetKey: 'id'
+});
+
+Department.hasMany(Employee, {
+  foreignKey: 'department_id',
+  as: 'employees'
+});
+
+// 员工与职位关联
+Employee.belongsTo(Position, {
+  foreignKey: 'position_id',
+  as: 'position',
+  targetKey: 'id'
+});
+
+Position.hasMany(Employee, {
+  foreignKey: 'position_id',
+  as: 'employees'
+});
+
+// 报表与用户关联
+Report.belongsTo(User, {
+  foreignKey: 'createdBy',
+  as: 'creator',
+  targetKey: 'id'
+});
+
+User.hasMany(Report, {
+  foreignKey: 'createdBy',
+  as: 'reports'
+});
+
 // 导出所有模型和数据库实例
 module.exports = {
   sequelize,
   User,
   Role,
   Account,
-  Transaction
+  Transaction,
+  LoanProduct,
+  Employee,
+  Department,
+  Position,
+  Report
 };