实现功能

src/components/feed/PigBreedTable.vue

@@ -142,6 +142,8 @@
           v-if="showPigTypeDialog"
           :initialData="currentPigType"
           :breedId="currentBreedIdForPigType"
+          :isEditing="isEditingPigType"
+          :existingAgeStageIds="getExistingAgeStageIds(currentBreedIdForPigType)"
           @save="handlePigTypeSave"
           @cancel="handlePigTypeCancel"
       ></PigTypeEditor>
@@ -320,11 +322,17 @@ export default {
       showNutrientDialog.value = false;
     };
 
+    // 获取当前品种已有的年龄阶段ID列表
+    const getExistingAgeStageIds = (breedId) => {
+      const breed = tableData.value.find(item => item.id === breedId);
+      return breed && breed.pig_types ? breed.pig_types.map(pt => pt.age_stage_id) : [];
+    };
+
     // 处理添加年龄阶段
     const handleAddPigType = (breedId) => {
       isEditingPigType.value = false;
       currentPigType.value = { // 初始化新年龄阶段的数据
-        age_stage_name: '',
+        age_stage_id: null, // age_stage_id 默认为 null，由下拉框选择
         description: '',
         min_days: 0,
         max_days: 0,
@@ -360,7 +368,7 @@ export default {
           await FeedApi.deletePigType(pigType.id);
           ElMessage.success('年龄阶段删除成功');
           // 刷新当前展开行的 pig_types 数据
-          const expandedRow = tableData.value.find(item => expandRowKeys.value.includes(item.breed_id));
+          const expandedRow = tableData.value.find(item => expandRowKeys.value.includes(pigType.breed_id));
           if (expandedRow) {
             await handleExpandChange(expandedRow, [expandedRow]);
           }
@@ -420,6 +428,7 @@ export default {
       handleAddPigType,
       handleEditPigType,
       handleDeletePigType,
+      getExistingAgeStageIds, // 暴露给模板
       handleNutrientRequirementsRefresh, // 暴露给模板
       handlePigTypeSave,
       handlePigTypeCancel,