添加批量更新鱼苗所有者功能，更新FishView.vue以支持选择多个鱼苗并修改其所有者，同时在api.js中新增批量更新接口。

src/services/api.js

@@ -171,6 +171,15 @@ export const updateFish = async (fishData) => {
   return response.data
 }
 
+export const batchUpdateFishOwner = async (ids, ownerId, ownerName) => {
+  const response = await api.post('/fish/batchUpdateOwner', {
+    ids,
+    ownerId,
+    ownerName
+  })
+  return response.data
+}
+
 export const deleteFish = async (id) => {
   const response = await api.post('/fish/delete', { id })
   return response.data

src/views/FishView.vue

@@ -12,6 +12,8 @@
       lazy
       scrollable
       class="fish-table"
+      v-model:selection="selectedFish"
+      dataKey="id"
     >
       <template #header>
         <div class="flex flex-wrap items-center gap-2">
@@ -66,10 +68,19 @@
           />
           <Button icon="pi pi-search" @click="handleSearch" label="搜索" size="small" severity="secondary" />
           <Button icon="pi pi-refresh" @click="handleRefresh" label="刷新" size="small" />
+          <Button 
+            v-if="isAdmin" 
+            icon="pi pi-users" 
+            @click="openBatchUpdateDialog" 
+            label="批量更新所有者" 
+            size="small" 
+            severity="info" 
+          />
           <div class="flex-1"></div>
         </div>
       </template>
 
+      <Column selectionMode="multiple" headerStyle="width: 3rem" frozen></Column>
       <Column field="id" header="ID" style="width: 80px" frozen>
         <template #body="slotProps">
           <span
@@ -231,7 +242,7 @@
               aria-label="编辑"
               @click="openEditDialog(slotProps.data)"
             />
-            <Button
+            <!-- <Button
               icon="pi pi-trash"
               severity="danger"
               size="small"
@@ -239,7 +250,7 @@
               rounded
               aria-label="删除"
               @click="confirmDelete(slotProps.data)"
-            />
+            /> -->
           </div>
         </template>
       </Column>
@@ -378,11 +389,59 @@
         </div>
       </template>
     </Dialog>
+
+    <!-- 批量更新所有者弹窗 -->
+    <Dialog
+      v-model:visible="batchUpdateDialog"
+      :modal="true"
+      header="批量更新所有者"
+      :style="{ width: '500px' }"
+      position="center"
+    >
+      <div class="p-fluid">
+        <div class="mb-4">
+          <p class="text-sm text-gray-600 mb-2">已选择 {{ selectedFish.length }} 条鱼苗记录</p>
+          <div class="max-h-32 overflow-y-auto bg-gray-50 p-3 rounded">
+            <div v-for="fish in selectedFish" :key="fish.id" class="text-sm mb-1">
+              <span class="font-medium">{{ fish.name }}</span>
+              <span class="text-gray-500 ml-2">({{ fish.id }})</span>
+            </div>
+          </div>
+        </div>
+
+        <div class="field">
+          <label for="batch-owner" class="font-medium text-sm mb-2 block">选择新所有者</label>
+          <Dropdown
+            id="batch-owner"
+            v-model="batchUpdateForm.ownerId"
+            :options="ownerStore.owners"
+            optionLabel="name"
+            optionValue="value"
+            placeholder="选择所有者"
+            class="w-full"
+            @change="handleBatchOwnerChange"
+          />
+        </div>
+      </div>
+
+      <template #footer>
+        <div class="flex justify-end gap-3">
+          <Button label="取消" severity="secondary" @click="batchUpdateDialog = false" />
+          <Button 
+            label="确认更新" 
+            severity="success" 
+            @click="saveBatchUpdate" 
+            :loading="batchUpdateLoading"
+            :disabled="!batchUpdateForm.ownerId"
+          />
+        </div>
+      </template>
+    </Dialog>
   </div>
 </template>
 
 <script setup>
-import { listFish, deleteFish, updateFish, exportFishFriends } from '@/services/api'
+import { listFish, deleteFish, updateFish, exportFishFriends, batchUpdateFishOwner } from '@/services/api'
 import { useDateFormat } from '@vueuse/core'
 import Button from 'primevue/button'
 import Column from 'primevue/column'
@@ -414,6 +473,9 @@ const tableData = ref({
   }
 })
 
+// 选中的鱼苗
+const selectedFish = ref([])
+
 // 加载状态
 const loading = ref(false)
 
@@ -435,6 +497,14 @@ const editForm = ref({
   result: null
 })
 
+// 批量更新相关
+const batchUpdateDialog = ref(false)
+const batchUpdateLoading = ref(false)
+const batchUpdateForm = ref({
+  ownerId: null,
+  ownerName: null
+})
+
 // 搜索表单
 const searchForm = ref({
   id: null,
@@ -799,6 +869,90 @@ const handleExportFriends = async (fish) => {
   }
 }
 
+// 打开批量更新弹窗
+const openBatchUpdateDialog = () => {
+  if (selectedFish.value.length === 0) {
+    toast.add({
+      severity: 'warn',
+      summary: '警告',
+      detail: '请先选择要更新的鱼苗记录',
+      life: 3000
+    })
+    return
+  }
+  
+  batchUpdateForm.value = {
+    ownerId: null,
+    ownerName: null
+  }
+  batchUpdateDialog.value = true
+}
+
+// 处理批量更新所有者变化
+const handleBatchOwnerChange = (event) => {
+  const selectedUserId = event.value
+  if (selectedUserId) {
+    const selectedOwner = ownerStore.owners.find((owner) => owner.value === selectedUserId)
+    if (selectedOwner) {
+      batchUpdateForm.value.ownerId = selectedOwner.value
+      batchUpdateForm.value.ownerName = selectedOwner.name
+    }
+  } else {
+    batchUpdateForm.value.ownerId = null
+    batchUpdateForm.value.ownerName = null
+  }
+}
+
+// 保存批量更新
+const saveBatchUpdate = async () => {
+  if (selectedFish.value.length === 0) {
+    toast.add({
+      severity: 'warn',
+      summary: '警告',
+      detail: '请先选择要更新的鱼苗记录',
+      life: 3000
+    })
+    return
+  }
+
+  if (!batchUpdateForm.value.ownerId) {
+    toast.add({
+      severity: 'warn',
+      summary: '警告',
+      detail: '请选择新的所有者',
+      life: 3000
+    })
+    return
+  }
+
+  batchUpdateLoading.value = true
+  try {
+    const ids = selectedFish.value.map(fish => fish.id)
+    await batchUpdateFishOwner(ids, batchUpdateForm.value.ownerId, batchUpdateForm.value.ownerName)
+    
+    toast.add({
+      severity: 'success',
+      summary: '成功',
+      detail: `已成功更新 ${selectedFish.value.length} 条鱼苗的所有者`,
+      life: 3000
+    })
+    
+    batchUpdateDialog.value = false
+    selectedFish.value = []
+    fetchData()
+  } catch (error) {
+    console.error('批量更新失败:', error)
+    toast.add({
+      severity: 'error',
+      summary: '错误',
+      detail: '批量更新失败，请重试',
+      life: 3000
+    })
+  } finally {
+    batchUpdateLoading.value = false
+  }
+}
+
 // 初始化
 onMounted(async () => {
   if (isAdmin.value) {