update:1.新增章节内容批量生成功能

frontend/src/pages/AuthCallback.tsx

@@ -2,11 +2,13 @@ import { useEffect, useState } from 'react';
 import { useNavigate } from 'react-router-dom';
 import { Spin, Result, Button } from 'antd';
 import { authApi } from '../services/api';
+import AnnouncementModal from '../components/AnnouncementModal';
 
 export default function AuthCallback() {
   const navigate = useNavigate();
   const [status, setStatus] = useState<'loading' | 'success' | 'error'>('loading');
   const [errorMessage, setErrorMessage] = useState('');
+  const [showAnnouncement, setShowAnnouncement] = useState(false);
 
   useEffect(() => {
     const handleCallback = async () => {
@@ -21,10 +23,21 @@ export default function AuthCallback() {
         const redirect = sessionStorage.getItem('login_redirect') || '/';
         sessionStorage.removeItem('login_redirect');
         
-        // 延迟一下再跳转，让用户看到成功提示
-        setTimeout(() => {
-          navigate(redirect);
-        }, 1000);
+        // 检查今天是否已经显示过公告
+        const doNotShowUntil = localStorage.getItem('announcement_do_not_show_until');
+        const now = new Date().getTime();
+        
+        if (!doNotShowUntil || now > parseInt(doNotShowUntil)) {
+          // 延迟一下再显示公告，让用户看到成功提示
+          setTimeout(() => {
+            setShowAnnouncement(true);
+          }, 1000);
+        } else {
+          // 延迟一下再跳转，让用户看到成功提示
+          setTimeout(() => {
+            navigate(redirect);
+          }, 1000);
+        }
       } catch (error) {
         console.error('登录失败:', error);
         setStatus('error');
@@ -78,20 +91,41 @@ export default function AuthCallback() {
     );
   }
 
+  const handleAnnouncementClose = () => {
+    setShowAnnouncement(false);
+    const redirect = sessionStorage.getItem('login_redirect') || '/';
+    sessionStorage.removeItem('login_redirect');
+    navigate(redirect);
+  };
+
+  const handleDoNotShowToday = () => {
+    // 设置到今天23:59:59不再显示
+    const tomorrow = new Date();
+    tomorrow.setHours(23, 59, 59, 999);
+    localStorage.setItem('announcement_do_not_show_until', tomorrow.getTime().toString());
+  };
+
   return (
-    <div style={{
-      display: 'flex',
-      justifyContent: 'center',
-      alignItems: 'center',
-      minHeight: '100vh',
-      background: 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)',
-    }}>
-      <Result
-        status="success"
-        title="登录成功"
-        subTitle="正在跳转..."
-        style={{ background: 'white', padding: 40, borderRadius: 8 }}
+    <>
+      <AnnouncementModal
+        visible={showAnnouncement}
+        onClose={handleAnnouncementClose}
+        onDoNotShowToday={handleDoNotShowToday}
       />
-    </div>
+      <div style={{
+        display: 'flex',
+        justifyContent: 'center',
+        alignItems: 'center',
+        minHeight: '100vh',
+        background: 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)',
+      }}>
+        <Result
+          status="success"
+          title="登录成功"
+          subTitle={showAnnouncement ? "欢迎使用..." : "正在跳转..."}
+          style={{ background: 'white', padding: 40, borderRadius: 8 }}
+        />
+      </div>
+    </>
   );
 }