改备注，改耳号，改品种，转场部分模糊查询+多耳号输入

src/views/produce/manage_sheep/changeEar/index.vue

@@ -5,9 +5,16 @@
         <el-date-picker v-model="daterangeEventDate" type="daterange" range-separator="-" start-placeholder="开始日期"
           end-placeholder="结束日期" value-format="YYYY-MM-DD" />
       </el-form-item>
-      <el-form-item label="耳号" prop="manageTag">
-        <el-input v-model="queryParams.manageTags" placeholder="请输入管理耳号或电子耳号" clearable @keyup.enter="handleQuery"
-          style="max-width: 160px;" />
+      <el-form-item label="耳号" prop="manageTagsList">
+        <el-select v-model="queryParams.manageTagsList" multiple filterable remote reserve-keyword
+          placeholder="请输入耳号，支持多选" :remote-method="searchEarNumber" :loading="earLoading" allow-create
+          default-first-option style="width: 260px">
+          <el-option v-for="item in earOptions" :key="item" :label="item" :value="item" />
+        </el-select>
+        <el-button type="text" @click="clearEarNumbers"
+          v-if="queryParams.manageTagsList && queryParams.manageTagsList.length > 0" style="margin-left: 8px">
+          清空
+        </el-button>
       </el-form-item>
       <el-form-item label="新耳号" prop="newTag">
         <el-input v-model="queryParams.newTag" placeholder="请输入新耳号" clearable @keyup.enter="handleQuery"
@@ -33,7 +40,13 @@
         <el-button icon="Refresh" @click="resetQuery">重置</el-button>
       </el-form-item>
     </el-form>
-
+    <div v-if="queryParams.manageTagsList && queryParams.manageTagsList.length > 0" class="selected-ear-numbers">
+      <span style="margin-right: 10px; color: #606266;">已选耳号：</span>
+      <el-tag v-for="tag in queryParams.manageTagsList" :key="tag" closable @close="removeEarNumber(tag)"
+        style="margin-right: 8px;">
+        {{ tag }}
+      </el-tag>
+    </div>
     <el-row :gutter="10" class="mb8">
       <el-col :span="1.5">
         <el-button type="primary" plain icon="Plus" @click="handleAdd"
@@ -132,7 +145,7 @@
 </template>
 
 <script setup name="ChangeEar">
-import { listChangeEar, getChangeEar, delChangeEar, addChangeEar, updateChangeEar, getSheepByEarNumber, checkTagExists } from "@/api/produce/manage_sheep/changeEar"
+import { listChangeEar, getChangeEar, delChangeEar, addChangeEar, updateChangeEar, getSheepByEarNumber, checkTagExists,searchEarNumbers } from "@/api/produce/manage_sheep/changeEar"
 import { listSheepfold_management as listSheepfold } from '@/api/fileManagement/sheepfold_management'
 const { proxy } = getCurrentInstance()
 
@@ -191,7 +204,8 @@ const data = reactive({
 })
 
 const { queryParams, form, rules } = toRefs(data)
-
+const earOptions = ref([])
+const earLoading = ref(false)
 /** 查询修改电子耳号记录列表 */
 async function getList() {
   loading.value = true;
@@ -258,6 +272,7 @@ function resetQuery() {
   queryParams.value.newTag = null
   queryParams.value.oldTag = null
   queryParams.value.earType = null
+  queryParams.value.manageTagsList = []
 
   proxy.resetForm("queryRef")
 
@@ -408,9 +423,31 @@ function getSheepfoldOptions() {
     sheepfoldOptions.value = res.rows
   })
 }
-
+function searchEarNumber(query) {
+  if (!query) { earOptions.value = []; return }
+  earLoading.value = true
+  searchEarNumbers(query.trim()).then(res => {
+    earOptions.value = res.data || []
+  }).finally(() => earLoading.value = false)
+}
+function clearEarNumbers() {
+  queryParams.value.manageTagsList = []
+}
+function removeEarNumber(tag) {
+  const idx = queryParams.value.manageTagsList.indexOf(tag)
+  if (idx > -1) queryParams.value.manageTagsList.splice(idx, 1)
+}
 onMounted(() => {
   getSheepfoldOptions();
   getList();
 });
 </script>
+
+<style scoped>
+.selected-ear-numbers{
+  margin-bottom: 16px;
+  padding: 10px;
+  background: #f5f7fa;
+  border-radius: 4px;
+}
+</style>