Fix Bug #499: 【住院医生工作站-检查申请】检查申请列表缺失查询过滤功能，不符合临床高效检索要求

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

openhis-ui-vue3/src/views/doctorstation/components/examination/examinationApplication.vue

@@ -3,15 +3,56 @@
     <!-- ====== 顶部卡片：申请单列表 ====== -->
     <div class="top-section">
       <div class="section-header">
-        <span class="section-title">检查项目 ({{ applicationList.length }})</span>
+        <span class="section-title">检查项目 ({{ filteredApplicationList.length }})</span>
         <div class="header-actions">
           <el-button type="primary" @click="handleAdd" icon="Plus">新增</el-button>
           <el-button type="success" @click="handleSave" icon="Finished">保存</el-button>
         </div>
       </div>
+
+      <!-- Bug #499: 查询过滤工具栏 -->
+      <div class="search-toolbar">
+        <el-form :inline="true" size="small">
+          <el-form-item label="日期范围">
+            <el-date-picker
+              v-model="searchForm.dateRange"
+              type="daterange"
+              range-separator="至"
+              start-placeholder="开始日期"
+              end-placeholder="结束日期"
+              value-format="YYYY-MM-DD"
+              style="width: 240px"
+            />
+          </el-form-item>
+          <el-form-item label="状态">
+            <el-select v-model="searchForm.applyStatus" placeholder="全部" clearable style="width: 140px">
+              <el-option
+                v-for="opt in statusOptions"
+                :key="opt.value"
+                :label="opt.label"
+                :value="opt.value"
+              />
+            </el-select>
+          </el-form-item>
+          <el-form-item label="关键字">
+            <el-input
+              v-model="searchForm.keyword"
+              placeholder="申请单号 / 检查项目"
+              clearable
+              style="width: 200px"
+              @keyup.enter="handleSearch"
+            />
+          </el-form-item>
+          <el-form-item>
+            <el-button type="primary" @click="handleSearch" icon="Search">搜索</el-button>
+            <el-button @click="handleResetSearch" icon="Refresh">重置</el-button>
+          </el-form-item>
+        </el-form>
+      </div>
+
       <el-table
         v-loading="loading"
-        :data="applicationList"
+        :data="filteredApplicationList"
         :max-height="200"
         highlight-current-row
         @row-click="handleRowClick"
@@ -452,6 +493,74 @@ const activeDetailTab = ref('applyForm');
 const applicationList = ref([]);
 const selectedItems = ref([]);
 
+// Bug #499: 查询过滤状态
+const searchForm = reactive({
+  dateRange: [],
+  applyStatus: '',
+  keyword: ''
+});
+
+// 申请单状态选项
+const statusOptions = [
+  { label: '已开单', value: 0 },
+  { label: '已收费', value: 1 },
+  { label: '已预约', value: 2 },
+  { label: '已签到', value: 3 },
+  { label: '部分报告', value: 4 },
+  { label: '已完告', value: 5 },
+  { label: '已作废', value: 6 }
+];
+
+// Bug #499: 过滤后的申请单列表
+const filteredApplicationList = computed(() => {
+  let result = applicationList.value;
+
+  // 日期范围过滤
+  if (searchForm.dateRange && searchForm.dateRange.length === 2) {
+    const start = searchForm.dateRange[0];
+    const end = searchForm.dateRange[1];
+    result = result.filter(item => {
+      const d = item.applyTime;
+      if (!d) return false;
+      const dateStr = d.length > 10 ? d.substring(0, 10) : d;
+      return dateStr >= start && dateStr <= end;
+    });
+  }
+
+  // 状态过滤
+  if (searchForm.applyStatus !== '' && searchForm.applyStatus !== null && searchForm.applyStatus !== undefined) {
+    result = result.filter(item => item.applyStatus === searchForm.applyStatus);
+  }
+
+  // 关键字过滤（申请单号、申检部位、检查项目名）
+  if (searchForm.keyword) {
+    const kw = searchForm.keyword.toLowerCase();
+    result = result.filter(item => {
+      return (item.applyNo || '').toLowerCase().includes(kw)
+        || (item.inspectionArea || '').toLowerCase().includes(kw);
+    });
+  }
+
+  return result;
+});
+
+// Bug #499: 搜索与重置
+function handleSearch() {
+  // 过滤逻辑由 computed 自动处理
+}
+
+function handleResetSearch() {
+  const now = new Date();
+  const end = now.toISOString().substring(0, 10);
+  const start = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000).toISOString().substring(0, 10);
+  searchForm.dateRange = [start, end];
+  searchForm.applyStatus = '';
+  searchForm.keyword = '';
+}
+
+// 初始化默认日期范围为近一周
+handleResetSearch();
+
 // 🔧 BugFix#426: 懒加载套餐明细
 async function loadPackageDetails(row, treeNode, resolve) {
   if (!row.isPackage || !row.packageId) {
@@ -1443,6 +1552,19 @@ defineExpose({ getList });
   gap: 8px;
 }
 
+/* Bug #499: 查询过滤工具栏 */
+.search-toolbar {
+  margin-bottom: 10px;
+  padding: 8px 0;
+  border-bottom: 1px solid #ebeef5;
+}
+.search-toolbar :deep(.el-form-item) {
+  margin-bottom: 8px;
+}
+.search-toolbar :deep(.el-form-item__label) {
+  font-size: 12px;
+}
+
 /* 底部区域：左表单 + 右分类 */
 .bottom-section {
   display: flex;