feat: 添加全员公告发布页面，支持撰写和广播系统通知并查看历史记录。

src/pages/Notifications/NotificationPublish.tsx

@@ -1,15 +1,44 @@
-import React, { useState } from 'react';
-import { Form, Input, Select, Button, message, Card, Alert, Row, Col } from 'antd';
+import React, { useState, useEffect } from 'react';
+import { Form, Input, Select, Button, message, Card, Alert, Row, Col, Empty, Spin } from 'antd';
 import { Icon } from '@iconify/react';
 import request from '../../utils/request';
 
 const { TextArea } = Input;
 const { Option } = Select;
 
+interface Announcement {
+    id: number;
+    title: string;
+    content: string;
+    type: string;
+    sent_count: number;
+    created_at: string;
+}
+
 const NotificationPublish: React.FC = () => {
     const [loading, setLoading] = useState(false);
+    const [historyLoading, setHistoryLoading] = useState(false);
+    const [history, setHistory] = useState<Announcement[]>([]);
     const [form] = Form.useForm();
 
+    const fetchHistory = async () => {
+        setHistoryLoading(true);
+        try {
+            const res: any = await request.get('/notifications/announcements?limit=5');
+            if (res && res.announcements) {
+                setHistory(res.announcements);
+            }
+        } catch (error) {
+            console.error('获取历史记录失败:', error);
+        } finally {
+            setHistoryLoading(false);
+        }
+    };
+
+    useEffect(() => {
+        fetchHistory();
+    }, []);
+
     const onFinish = async (values: any) => {
         setLoading(true);
         try {
@@ -19,6 +48,7 @@ const NotificationPublish: React.FC = () => {
                 style: { marginTop: '10vh' }
             });
             form.resetFields();
+            fetchHistory(); // Refresh history after publish
         } catch (error) {
             console.error('发布失败:', error);
         } finally {
@@ -26,6 +56,16 @@ const NotificationPublish: React.FC = () => {
         }
     };
 
+    const formatTime = (timeStr: string) => {
+        const date = new Date(timeStr);
+        return date.toLocaleString('zh-CN', {
+            month: 'numeric',
+            day: 'numeric',
+            hour: '2-digit',
+            minute: '2-digit'
+        });
+    };
+
     return (
         <div style={{ maxWidth: 1000, margin: '0 auto' }}>
             <div style={{ marginBottom: 32 }}>
@@ -113,7 +153,7 @@ const NotificationPublish: React.FC = () => {
                 <Col lg={10}>
                     <Alert
                         title="安全提示"
-                        description="全员公告将穿透所有用户的勿扰模式（如果适用），发送前请仔细检查文案拼写和逻辑，发布后无法撤回。"
+                        description="全员公告将穿透所有用户的勿扰模式，发布后无法撤回，请反复通过侧边栏历史核对文案。"
                         type="info"
                         showIcon
                         icon={<Icon icon="solar:info-circle-bold-duotone" width="24" />}
@@ -127,36 +167,43 @@ const NotificationPublish: React.FC = () => {
                                 <span>最近发布历史</span>
                             </div>
                         }
+                        extra={<Button type="link" size="small" onClick={fetchHistory} loading={historyLoading}>刷新</Button>}
                         variant="borderless"
                     >
-                        {[
-                            { title: '系统性能优化完成', time: '1小时前', type: 'info' },
-                            { title: '夜间数据库升级', time: '昨天', type: 'alert' },
-                            { title: '欢迎新用户加入', time: '3天前', type: 'system' }
-                        ].map((item, idx) => (
-                            <div key={idx} style={{
+                        <Spin spinning={historyLoading}>
+                            {history.length === 0 ? (
+                                <Empty image={Empty.PRESENTED_IMAGE_SIMPLE} description="暂无发布记录" />
+                            ) : (
+                                history.map((item, idx) => (
+                                    <div key={item.id} style={{
                                         padding: '12px 0',
-                                borderBottom: idx === 2 ? 'none' : '1px solid #f1f5f9',
+                                        borderBottom: idx === history.length - 1 ? 'none' : '1px solid #f1f5f9',
                                         display: 'flex',
                                         justifyContent: 'space-between',
                                         alignItems: 'center'
                                     }}>
-                                <div>
-                                    <div style={{ fontWeight: 500, fontSize: 14 }}>{item.title}</div>
-                                    <div style={{ fontSize: 12, color: '#94a3b8' }}>{item.time}</div>
+                                        <div style={{ overflow: 'hidden', marginRight: 12 }}>
+                                            <div style={{ fontWeight: 500, fontSize: 14, whiteSpace: 'nowrap', overflow: 'hidden', textOverflow: 'ellipsis' }}>
+                                                {item.title}
+                                            </div>
+                                            <div style={{ fontSize: 12, color: '#94a3b8' }}>
+                                                {formatTime(item.created_at)} · 推送 {item.sent_count} 人
+                                            </div>
                                         </div>
                                         <div style={{
                                             padding: '2px 8px',
                                             borderRadius: 4,
-                                    fontSize: 11,
+                                            fontSize: 10,
+                                            flexShrink: 0,
                                             background: item.type === 'alert' ? '#fee2e2' : item.type === 'info' ? '#dcfce7' : '#e0e7ff',
                                             color: item.type === 'alert' ? '#ef4444' : item.type === 'info' ? '#10b981' : '#6366f1'
                                         }}>
                                             {item.type.toUpperCase()}
                                         </div>
                                     </div>
-                        ))}
-                        <Button type="link" block style={{ marginTop: 12 }}>查看更多记录</Button>
+                                ))
+                            )}
+                        </Spin>
                     </Card>
                 </Col>
             </Row>