feat: 医生端Web后台 + SignalR实时问诊
- 新增 doctor_web/ React前端 (dashboard/患者/问诊/报告/随访) - 后端新增 doctor_endpoints (14个医生API) + ConsultationHub (SignalR) - Flutter端 SignalR 替换轮询实现实时聊天
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MingNian
167
doctor_web/src/pages/consultations/ChatPage.tsx
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167
doctor_web/src/pages/consultations/ChatPage.tsx
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import { useEffect, useRef, useState } from 'react';
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import { useParams } from 'react-router-dom';
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import { api } from '../../services/api-client';
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import { getConnection, startConnection } from '../../services/signalr';
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import type { ConsultationMessage } from '../../types';
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export default function ChatPage() {
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const { id } = useParams<{ id: string }>();
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const [messages, setMessages] = useState<ConsultationMessage[]>([]);
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const [status, setStatus] = useState('');
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const [text, setText] = useState('');
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const [connected, setConnected] = useState(false);
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const bottomRef = useRef<HTMLDivElement>(null);
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// 加载历史消息
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useEffect(() => {
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if (!id) return;
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api.get<{ status: string; messages: ConsultationMessage[] }>(`/api/doctor/consultations/${id}/messages`)
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.then(data => {
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setMessages(data.messages);
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setStatus(data.status);
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})
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.catch(() => {});
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}, [id]);
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// 建立 SignalR 连接
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useEffect(() => {
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if (!id) return;
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let disposed = false;
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(async () => {
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try {
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const conn = getConnection();
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await startConnection();
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if (disposed) return;
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// 加入问诊房间
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await conn.invoke('JoinConsultation', id);
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setConnected(true);
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// 注册消息接收
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const handler = (msg: ConsultationMessage & { consultationId: string }) => {
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if (msg.consultationId !== id) return;
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setMessages(prev => {
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if (prev.some(m => m.id === msg.id)) return prev; // 去重
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return [...prev, msg];
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});
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};
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conn.on('ReceiveMessage', handler);
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// 重连时重新加入房间
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conn.onreconnected(() => {
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conn.invoke('JoinConsultation', id);
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});
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} catch { /* ignore */ }
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})();
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return () => {
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disposed = true;
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const conn = getConnection();
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if (conn.state === 'Connected') {
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conn.invoke('LeaveConsultation', id).catch(() => {});
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conn.off('ReceiveMessage');
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}
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};
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}, [id]);
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// 自动滚到底部
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useEffect(() => {
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bottomRef.current?.scrollIntoView({ behavior: 'smooth' });
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}, [messages]);
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async function sendMessage() {
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if (!text.trim() || !id) return;
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const content = text.trim();
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setText('');
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// 通过 HTTP 发送（后端会通过 SignalR 广播）
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try {
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await api.post(`/api/doctor/consultations/${id}/messages`, { content });
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} catch {
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// fallback: 直接通过 SignalR 发送
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try {
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await getConnection().invoke('SendMessage', id, 'Doctor', '医生 · 王建国', content);
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} catch { /* ignore */ }
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}
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}
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return (
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<div style={{ display: 'flex', flexDirection: 'column', height: '100vh' }}>
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{/* 顶栏 */}
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<div style={{ background: '#FFF', padding: '16px 24px', borderBottom: '1px solid #EDF0F7', display: 'flex', alignItems: 'center', justifyContent: 'space-between' }}>
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<div>
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<div style={{ fontSize: 16, fontWeight: 600 }}>问诊对话</div>
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<div style={{ fontSize: 12, color: '#9BA0B4', marginTop: 2 }}>
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{status === 'AiTalking' ? 'AI 分身对话中' : status === 'WaitingDoctor' ? '等待医生回复' : status === 'DoctorReplied' ? '医生已回复' : status === 'Closed' ? '已结束' : status}
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</div>
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</div>
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<div style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
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<div style={{ width: 8, height: 8, borderRadius: 4, background: connected ? '#20C997' : '#EF4444' }} />
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<span style={{ fontSize: 12, color: '#9BA0B4' }}>{connected ? '已连接' : '未连接'}</span>
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</div>
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</div>
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{/* 消息列表 */}
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<div style={{ flex: 1, overflow: 'auto', padding: '20px 24px' }}>
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{messages.map((msg, i) => {
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const isDoctor = msg.senderType === 'Doctor';
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const isAi = msg.senderType === 'Ai';
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return (
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<div key={msg.id || i} style={{ display: 'flex', flexDirection: 'column', alignItems: isDoctor ? 'flex-end' : 'flex-start', marginBottom: 16 }}>
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{/* 发送者名称 */}
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{!isDoctor && msg.senderName && (
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<div style={{ fontSize: 11, color: '#9BA0B4', marginBottom: 4, marginLeft: 8 }}>{msg.senderName}</div>
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)}
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{/* 气泡 */}
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<div style={{
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maxWidth: '70%',
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padding: '12px 18px',
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borderRadius: isDoctor ? '18px 4px 18px 18px' : '4px 18px 18px 18px',
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background: isDoctor ? '#4F6EF7' : isAi ? '#F5F5F5' : '#FFF',
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color: isDoctor ? '#FFF' : '#1A1D28',
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border: isDoctor ? 'none' : '1px solid #EDF0F7',
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fontSize: 15,
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lineHeight: 1.6,
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whiteSpace: 'pre-wrap',
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wordBreak: 'break-word',
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}}>
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{msg.content}
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</div>
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{/* AI 标记 */}
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{isAi && (
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<div style={{ fontSize: 10, color: '#F9A825', marginTop: 4, marginLeft: 8, background: '#FFF8E1', padding: '2px 8px', borderRadius: 6 }}>
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AI 分析，仅供参考
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</div>
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)}
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{/* 时间 */}
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<div style={{ fontSize: 11, color: '#CCC', marginTop: 4, marginLeft: 8, marginRight: 8 }}>
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{new Date(msg.createdAt).toLocaleTimeString('zh-CN', { hour: '2-digit', minute: '2-digit' })}
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</div>
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</div>
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);
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})}
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<div ref={bottomRef} />
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</div>
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{/* 输入栏 */}
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<div style={{ background: '#FFF', padding: '14px 24px', borderTop: '1px solid #EDF0F7' }}>
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<div style={{ display: 'flex', gap: 12 }}>
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<input
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value={text}
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onChange={e => setText(e.target.value)}
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onKeyDown={e => e.key === 'Enter' && sendMessage()}
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placeholder="输入回复..."
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style={{ flex: 1, padding: '12px 18px', border: '1px solid #E1E5ED', borderRadius: 12, fontSize: 15, outline: 'none' }}
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/>
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<button
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onClick={sendMessage}
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disabled={!text.trim()}
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style={{ padding: '12px 24px', background: text.trim() ? '#4F6EF7' : '#E1E5ED', color: text.trim() ? '#FFF' : '#9BA0B4', border: 'none', borderRadius: 12, fontSize: 15, fontWeight: 600 }}>
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发送
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</button>
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</div>
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</div>
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</div>
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);
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}
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