修改管理后台

backend/models/CattleBatchAnimal.js

@@ -0,0 +1,65 @@
+const { DataTypes } = require('sequelize');
+const { sequelize } = require('../config/database-simple');
+
+const CattleBatchAnimal = sequelize.define('CattleBatchAnimal', {
+  id: {
+    type: DataTypes.INTEGER,
+    primaryKey: true,
+    autoIncrement: true,
+    allowNull: false
+  },
+  batchId: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    field: 'batch_id',
+    comment: '批次ID'
+  },
+  animalId: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    field: 'animal_id',
+    comment: '动物ID'
+  },
+  addedDate: {
+    type: DataTypes.DATE,
+    allowNull: false,
+    defaultValue: DataTypes.NOW,
+    field: 'added_date',
+    comment: '添加日期'
+  },
+  addedBy: {
+    type: DataTypes.INTEGER,
+    allowNull: true,
+    field: 'added_by',
+    comment: '添加人ID'
+  }
+}, {
+  tableName: 'cattle_batch_animals',
+  timestamps: true,
+  createdAt: 'created_at',
+  updatedAt: 'updated_at',
+  comment: '批次牛只关联表'
+});
+
+// 定义关联关系
+CattleBatchAnimal.associate = (models) => {
+  // 关联到批次
+  CattleBatchAnimal.belongsTo(models.CattleBatch, {
+    foreignKey: 'batchId',
+    as: 'batch'
+  });
+
+  // 关联到牛只
+  CattleBatchAnimal.belongsTo(models.IotCattle, {
+    foreignKey: 'animalId',
+    as: 'cattle'
+  });
+
+  // 关联到添加人
+  CattleBatchAnimal.belongsTo(models.User, {
+    foreignKey: 'addedBy',
+    as: 'adder'
+  });
+};
+
+module.exports = CattleBatchAnimal;