优化加项搜索

src/components/exam/ExamAddonPanel.tsx

@@ -1,4 +1,4 @@
-import { useEffect, useMemo, useState } from 'react';
+import { useEffect, useMemo, useState, useRef } from 'react';
 
 import type { ExamClient } from '../../data/mockData';
 import { searchPhysicalExamAddItem } from '../../api';
@@ -24,10 +24,31 @@ interface ExamAddonPanelProps {
 
 export const ExamAddonPanel = ({ client }: ExamAddonPanelProps) => {
   const [addonList, setAddonList] = useState<AddonItem[]>([]);
-  const [addonSearch, setAddonSearch] = useState('');
+  // 防抖：内部输入值（用于显示）
+  const [addonSearchInput, setAddonSearchInput] = useState('');
+  // 防抖：实际用于 API 调用的值（延迟更新）
+  const [debouncedAddonSearch, setDebouncedAddonSearch] = useState('');
+  const debounceTimerRef = useRef<number | null>(null);
   const [addonLoading, setAddonLoading] = useState(false);
   const [addonError, setAddonError] = useState<string | null>(null);
 
+  // 防抖：当输入值变化时，延迟 0.5 秒后更新 debouncedAddonSearch（用于 API 调用）
+  useEffect(() => {
+    if (debounceTimerRef.current) {
+      window.clearTimeout(debounceTimerRef.current);
+    }
+
+    debounceTimerRef.current = window.setTimeout(() => {
+      setDebouncedAddonSearch(addonSearchInput);
+    }, 500);
+
+    return () => {
+      if (debounceTimerRef.current) {
+        window.clearTimeout(debounceTimerRef.current);
+      }
+    };
+  }, [addonSearchInput]);
+
   // 拉取加项列表
   useEffect(() => {
     const physical_exam_id = Number(client.id);
@@ -42,7 +63,7 @@ export const ExamAddonPanel = ({ client }: ExamAddonPanelProps) => {
       try {
         const res = await searchPhysicalExamAddItem({
           physical_exam_id,
-          item_name: addonSearch.trim() || null,
+          item_name: debouncedAddonSearch.trim() || null,
         });
         if (res.Status === 200 && res.Data?.addItemList) {
           const list: AddonItem[] = res.Data.addItemList.map((item) => ({
@@ -69,7 +90,7 @@ export const ExamAddonPanel = ({ client }: ExamAddonPanelProps) => {
       }
     };
     fetchList();
-  }, [addonSearch, client.id]);
+  }, [debouncedAddonSearch, client.id]);
 
   const allAddons = useMemo(() => addonList, [addonList]);
 
@@ -138,22 +159,31 @@ export const ExamAddonPanel = ({ client }: ExamAddonPanelProps) => {
       <div>
         <div className='flex items-center justify-between mb-2 gap-3'>
           <h3 className='text-lg font-semibold text-gray-900'>体检套餐加项选择</h3>
-          <div className='w-[260px]'>
+          <div className='w-[260px] flex items-center gap-2'>
             <Input
               placeholder='搜索 加项名称'
-              value={addonSearch}
-              onChange={(e) => setAddonSearch(e.target.value)}
-              className='text-sm'
+              value={addonSearchInput}
+              onChange={(e) => setAddonSearchInput(e.target.value)}
+              className='text-sm flex-1'
             />
+            {addonSearchInput && (
+              <Button
+                className='px-3 py-1.5 text-xs whitespace-nowrap'
+                onClick={() => setAddonSearchInput('')}
+              >
+                重置
+              </Button>
+            )}
           </div>
         </div>
-        <div className='text-xs text-gray-600 space-y-1'>
+        {/* <div className='text-xs text-gray-600 space-y-1'>
           <div>最多可选 {maxSelect} 项 · 一排 5 个</div>
           <div>已勾选 {selectedCount} 项,自费加项费用按渠道折扣价结算。</div>
-        </div>
+        </div> */}
       </div>
 
       {/* 加项网格 */}
+      <div className='overflow-y-auto max-h-[366px]'>
         <div className='grid grid-cols-5 gap-3 min-h-[142px]'>
           {addonError && (
             <div className='col-span-5 text-xs text-amber-600'>{addonError}</div>
@@ -192,7 +222,7 @@ export const ExamAddonPanel = ({ client }: ExamAddonPanelProps) => {
 
                 {/* 第二行：标签 */}
                 {item.tags && item.tags.length >= 0 && (
-                <div className='flex flex-wrap gap-1 mb-2 pl-6'>
+                  <div className='flex flex-wrap gap-1 mb-1 pl-6'>
                     {item.tags
                       .filter(t => t.type !== 4) // 折扣信息单独显示
                       .map((tag, idx) => (
@@ -207,7 +237,7 @@ export const ExamAddonPanel = ({ client }: ExamAddonPanelProps) => {
                 )}
 
                 {/* 第三行：价格信息（固定在卡片底部） */}
-              <div className='mt-auto pt-2'>
+                <div className='mt-auto pt-1'>
                   <div className='flex flex-col'>
                     {origPrice >= 0 && origPrice >= currPrice && (
                       <span className='text-xs text-gray-400 line-through'>¥{origPrice.toFixed(0)}</span>
@@ -224,6 +254,7 @@ export const ExamAddonPanel = ({ client }: ExamAddonPanelProps) => {
             );
           })}
         </div>
+      </div>
 
       {/* 底部汇总和支付 */}
       <div className='border-t pt-4 mt-6 flex items-center justify-between'>