年龄管理界面

src/components/feed/PigAgeStageForm.vue

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+<template>
+  <el-form :model="formData" :rules="rules" ref="formRef" label-width="120px">
+    <el-form-item label="年龄阶段名称" prop="name">
+      <el-input v-model="formData.name" placeholder="请输入年龄阶段名称"></el-input>
+    </el-form-item>
+    <el-form-item label="描述" prop="description">
+      <el-input
+        v-model="formData.description"
+        type="textarea"
+        :rows="3"
+        placeholder="请输入年龄阶段描述"
+      ></el-input>
+    </el-form-item>
+    <el-form-item>
+      <el-button type="primary" @click="submitForm">提交</el-button>
+      <el-button @click="cancelForm">取消</el-button>
+    </el-form-item>
+  </el-form>
+</template>
+
+<script>
+import { ref, reactive, watch } from 'vue';
+import { ElMessage } from 'element-plus';
+
+export default {
+  name: 'PigAgeStageForm',
+  props: {
+    isEdit: {
+      type: Boolean,
+      default: false,
+    },
+    initialData: {
+      type: Object,
+      default: () => ({
+        name: '',
+        description: '',
+      }),
+    },
+  },
+  emits: ['submit', 'cancel'],
+  setup(props, { emit }) {
+    const formRef = ref(null);
+    const formData = reactive({
+      name: '',
+      description: '',
+    });
+
+    // 监听 initialData 变化，用于编辑模式下初始化表单
+    watch(
+      () => props.initialData,
+      (newVal) => {
+        if (newVal) {
+          formData.name = newVal.name || '';
+          formData.description = newVal.description || '';
+        }
+      },
+      { immediate: true, deep: true }
+    );
+
+    const rules = {
+      name: [
+        { required: true, message: '请输入年龄阶段名称', trigger: 'blur' },
+        { min: 2, max: 50, message: '长度在 2 到 50 个字符', trigger: 'blur' },
+      ],
+    };
+
+    const submitForm = () => {
+      formRef.value.validate((valid) => {
+        if (valid) {
+          emit('submit', { ...formData });
+        } else {
+          ElMessage.error('请检查表单项');
+          return false;
+        }
+      });
+    };
+
+    const cancelForm = () => {
+      emit('cancel');
+      resetForm();
+    };
+
+    const resetForm = () => {
+      formRef.value.resetFields();
+      // 手动重置 formData，因为 resetFields 不会重置未绑定 prop 的字段
+      formData.name = '';
+      formData.description = '';
+    };
+
+    return {
+      formRef,
+      formData,
+      rules,
+      submitForm,
+      cancelForm,
+      resetForm,
+    };
+  },
+};
+</script>
+
+<style scoped>
+</style>

src/components/feed/PigAgeStageTable.vue

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+<template>
+  <div>
+    <!-- 搜索区域 -->
+    <div style="margin-bottom: 20px; display: flex; align-items: center; gap: 10px;">
+      <el-input
+          v-model="searchKeyword"
+          placeholder="请输入年龄阶段名称"
+          clearable
+          style="width: 300px;"
+          @keyup.enter="handleSearch"
+      ></el-input>
+      <el-button type="primary" @click="handleSearch">搜索</el-button>
+    </div>
+
+    <!-- 猪年龄阶段列表 -->
+    <el-table :data="tableData" style="width: 100%" v-loading="loading" row-key="id"
+              :expand-row-keys="expandRowKeys" @expand-change="handleExpandChange">
+      <el-table-column type="expand">
+        <template #default="props">
+          <div style="padding: 10px 20px;">
+            <h4>各品种当前年龄简介</h4>
+            <el-table :data="props.row.pig_types" border>
+              <el-table-column prop="breed_name" label="猪品种"></el-table-column>
+              <el-table-column prop="description" label="描述"></el-table-column>
+              <el-table-column prop="min_days" label="最小天数"></el-table-column>
+              <el-table-column prop="max_days" label="最大天数"></el-table-column>
+              <el-table-column prop="min_weight" label="最小体重(kg)" :formatter="weightFormatter"></el-table-column>
+              <el-table-column prop="max_weight" label="最大体重(kg)" :formatter="weightFormatter"></el-table-column>
+              <el-table-column prop="daily_gain_weight" label="日增重(kg)" :formatter="weightFormatter"></el-table-column>
+              <el-table-column prop="daily_feed_intake" label="日采食量(kg)" :formatter="weightFormatter"></el-table-column>
+            </el-table>
+          </div>
+        </template>
+      </el-table-column>
+      <el-table-column prop="name" label="年龄阶段名称"></el-table-column>
+      <el-table-column prop="description" label="描述"></el-table-column>
+      <el-table-column label="操作" width="180">
+        <template #default="scope">
+          <el-button size="small" @click="handleEdit(scope.row)">编辑</el-button>
+          <el-button size="small" type="danger" @click="handleDelete(scope.row)">删除</el-button>
+        </template>
+      </el-table-column>
+    </el-table>
+
+    <!-- 分页 -->
+    <el-pagination
+        style="margin-top: 20px;"
+        :current-page="pagination.page"
+        :page-size="pagination.page_size"
+        :total="pagination.total"
+        layout="total, sizes, prev, pager, next, jumper"
+        @size-change="handleSizeChange"
+        @current-change="handleCurrentChange"
+    ></el-pagination>
+  </div>
+</template>
+
+<script>
+import {ref, onMounted} from 'vue';
+import {FeedApi} from '../../api/feed';
+import {ElMessageBox, ElMessage} from 'element-plus';
+
+export default {
+  name: 'PigAgeStageTable',
+  emits: ['edit'], // 声明触发的事件
+  setup(props, { emit }) {
+    const tableData = ref([]);
+    const loading = ref(false);
+    const searchKeyword = ref('');
+    const expandRowKeys = ref([]); // 用于控制展开行
+
+    const pagination = ref({
+      page: 1,
+      page_size: 10,
+      total: 0,
+    });
+
+    const fetchPigAgeStages = async () => {
+      loading.value = true;
+      try {
+        const params = {
+          page: pagination.value.page,
+          page_size: pagination.value.page_size,
+        };
+
+        if (searchKeyword.value) {
+          params.name = searchKeyword.value; // 按名称模糊查询
+        }
+
+        const response = await FeedApi.getPigAgeStages(params);
+
+        if (response.data) {
+          tableData.value = response.data.list;
+          pagination.value.total = response.data.pagination.total;
+        }
+      } catch (error) {
+        console.error('获取猪年龄阶段列表失败:', error);
+        ElMessage.error('获取猪年龄阶段列表失败');
+      } finally {
+        loading.value = false;
+      }
+    };
+
+    const handleSearch = () => {
+      pagination.value.page = 1;
+      fetchPigAgeStages();
+    };
+
+    const handleSizeChange = (size) => {
+      pagination.value.page_size = size;
+      fetchPigAgeStages();
+    };
+
+    const handleCurrentChange = (page) => {
+      pagination.value.page = page;
+      fetchPigAgeStages();
+    };
+
+    // 处理行展开/折叠事件
+    const handleExpandChange = async (row, expandedRows) => {
+      const isExpanded = expandedRows.some(r => r.id === row.id);
+      // 优化：仅在展开时且数据未加载时才请求
+      // 注意：PigAgeStageResponse 默认不包含 pig_types 字段，需要单独请求
+      if (isExpanded && (!row.pig_types || row.pig_types.length === 0)) {
+        try {
+          // 调用 getPigTypes 接口，按 age_stage_id 筛选，并显式设置 page 参数
+          const response = await FeedApi.getPigTypes({ age_stage_id: row.id, page: 1, page_size: 999 }); // 获取所有相关猪类型
+          if (response.data && response.data.list) {
+            const index = tableData.value.findIndex(item => item.id === row.id);
+            if (index !== -1) {
+              tableData.value[index].pig_types = response.data.list;
+            }
+          }
+        } catch (error) {
+          console.error('获取该年龄阶段下的猪类型失败:', error);
+          ElMessage.error('获取猪类型失败');
+        }
+      }
+    };
+
+    // 将克转换为公斤并格式化，只返回数值
+    const weightFormatter = (row, column, cellValue) => {
+      if (typeof cellValue === 'number') {
+        return (cellValue / 1000).toFixed(2);
+      }
+      return cellValue;
+    };
+
+    const handleEdit = (row) => {
+      emit('edit', row); // 触发 edit 事件，并传递当前行数据
+    };
+
+    const handleDelete = (row) => {
+      ElMessageBox.confirm(
+          `确定要删除年龄阶段 "${row.name}" 吗？`,
+          '提示',
+          {
+            confirmButtonText: '确定',
+            cancelButtonText: '取消',
+            type: 'warning',
+          }
+      ).then(async () => {
+        try {
+          await FeedApi.deletePigAgeStage(row.id);
+          ElMessage.success('删除成功');
+          await fetchPigAgeStages();
+        } catch (error) {
+          ElMessage.error('删除失败: ' + (error.message || '未知错误'));
+        }
+      }).catch(() => {
+        // 用户取消操作
+      });
+    };
+
+    onMounted(() => {
+      fetchPigAgeStages();
+    });
+
+    return {
+      tableData,
+      loading,
+      searchKeyword,
+      expandRowKeys,
+      pagination,
+      handleSearch,
+      handleSizeChange,
+      handleCurrentChange,
+      handleExpandChange,
+      weightFormatter, // 暴露给模板
+      handleEdit,
+      handleDelete,
+      fetchPigAgeStages, // 将方法暴露出去
+    };
+  },
+};
+</script>
+
+<style scoped>
+</style>