聊天判断修正

urbanLifelineServ/ai/src/main/java/org/xyzh/ai/controller/ChatController.java

@@ -68,7 +68,7 @@ public class ChatController {
         chat.setUserType(false);
         if(NonUtils.isNotEmpty(token)){
             LoginDomain loginDomain = LoginUtil.getCurrentLogin();
-            if (NonUtils.isNotEmpty(loginDomain) && loginDomain.getUser().getStatus()!="guest") {
+            if (NonUtils.isNotEmpty(loginDomain) && !"guest".equals(loginDomain.getUser().getStatus())) {
                 chat.setUserType(true);
             }
         }
@@ -97,7 +97,7 @@ public class ChatController {
         chat.setUserType(false);
         if(NonUtils.isNotEmpty(token)){
             LoginDomain loginDomain = LoginUtil.getCurrentLogin();
-            if (NonUtils.isNotEmpty(loginDomain) && loginDomain.getUser().getStatus()!="guest") {
+            if (NonUtils.isNotEmpty(loginDomain) && !"guest".equals(loginDomain.getUser().getStatus())) {
                 chat.setUserType(true);
             }
         }
@@ -116,7 +116,7 @@ public class ChatController {
         chat.setUserType(false);
         if(NonUtils.isNotEmpty(token)){
             LoginDomain loginDomain = LoginUtil.getCurrentLogin();
-            if (NonUtils.isNotEmpty(loginDomain) && loginDomain.getUser().getStatus()!="guest") {
+            if (NonUtils.isNotEmpty(loginDomain) && !"guest".equals(loginDomain.getUser().getStatus())) {
                 chat.setUserType(true);
             }
         }
@@ -137,7 +137,7 @@ public class ChatController {
         filter.setUserType(false);
         if(NonUtils.isNotEmpty(token)){
             LoginDomain loginDomain = LoginUtil.getCurrentLogin();
-            if (NonUtils.isNotEmpty(loginDomain) && loginDomain.getUser().getStatus()!="guest") {
+            if (NonUtils.isNotEmpty(loginDomain) && !"guest".equals(loginDomain.getUser().getStatus())) {
                 filter.setUserType(true);
             }
         }
@@ -157,7 +157,7 @@ public class ChatController {
         pageRequest.getFilter().setUserType(false);
         if(NonUtils.isNotEmpty(token)){
             LoginDomain loginDomain = LoginUtil.getCurrentLogin();
-            if (NonUtils.isNotEmpty(loginDomain) && loginDomain.getUser().getStatus()!="guest") {
+            if (NonUtils.isNotEmpty(loginDomain) && !"guest".equals(loginDomain.getUser().getStatus())) {
                 pageRequest.getFilter().setUserType(true);
             }
         }
@@ -183,7 +183,7 @@ public class ChatController {
         filter.setUserType(false);
         if(NonUtils.isNotEmpty(token)){
             LoginDomain loginDomain = LoginUtil.getCurrentLogin();
-            if (NonUtils.isNotEmpty(loginDomain) && loginDomain.getUser().getStatus()!="guest") {
+            if (NonUtils.isNotEmpty(loginDomain) && !"guest".equals(loginDomain.getUser().getStatus())) {
                 filter.setUserType(true);
             }
         }
@@ -214,7 +214,7 @@ public class ChatController {
         chatPrepareData.setUserType(false);
         if(NonUtils.isNotEmpty(token)){
             LoginDomain loginDomain = LoginUtil.getCurrentLogin();
-            if (NonUtils.isNotEmpty(loginDomain) && loginDomain.getUser().getStatus()!="guest") {
+            if (NonUtils.isNotEmpty(loginDomain) && !"guest".equals(loginDomain.getUser().getStatus())) {
                 chatPrepareData.setUserType(true);
             }
         }
@@ -267,7 +267,7 @@ public class ChatController {
         filter.setUserType(false);
         if(NonUtils.isNotEmpty(token)){
             LoginDomain loginDomain = LoginUtil.getCurrentLogin();
-            if (NonUtils.isNotEmpty(loginDomain) && loginDomain.getUser().getStatus()!="guest") {
+            if (NonUtils.isNotEmpty(loginDomain) && !"guest".equals(loginDomain.getUser().getStatus())) {
                 filter.setUserType(true);
             }
         }
@@ -300,7 +300,7 @@ public class ChatController {
         filter.setUserType(false);
         if(NonUtils.isNotEmpty(token)){
             LoginDomain loginDomain = LoginUtil.getCurrentLogin();
-            if (NonUtils.isNotEmpty(loginDomain) && loginDomain.getUser().getStatus()!="guest") {
+            if (NonUtils.isNotEmpty(loginDomain) && !"guest".equals(loginDomain.getUser().getStatus())) {
                 filter.setUserType(true);
             }
         }

urbanLifelineServ/workcase/src/main/java/org/xyzh/workcase/controller/WorkcaseChatContorller.java

@@ -131,7 +131,7 @@ public class WorkcaseChatContorller {
         
         LoginDomain loginDomain = LoginUtil.getCurrentLogin();
         String userId = loginDomain.getUser().getUserId();
-        if("guest".equals(loginDomain.getUser().getStatus())){
+        if(!"guest".equals(loginDomain.getUser().getStatus())){
             pageRequest.getFilter().setGuestId(userId);
         }
         return chatRoomService.getChatRoomPage(pageRequest, userId);

urbanLifelineServ/workcase/src/main/java/org/xyzh/workcase/controller/WorkcaseController.java

@@ -94,7 +94,7 @@ public class WorkcaseController {
     @PostMapping("/list")
     public ResultDomain<TbWorkcaseDTO> getWorkcaseList(@RequestBody TbWorkcaseDTO filter) {
         LoginDomain loginDomain = LoginUtil.getCurrentLogin();
-        if ("guest".equals(loginDomain.getUser().getStatus())) {
+        if (!"guest".equals(loginDomain.getUser().getStatus())) {
             filter.setUserId(loginDomain.getUser().getUserId());
         }
         return workcaseService.getWorkcaseList(filter);

urbanLifelineServ/workcase/src/main/java/org/xyzh/workcase/service/VideoMeetingServiceImpl.java

@@ -110,7 +110,7 @@ public class VideoMeetingServiceImpl implements VideoMeetingService {
             List<ChatMemberVO> members = chatRoomMemberMapper.selectChatRoomMemberList(memberFilter);
 
             String userName = loginDomain.getUserInfo().getUsername();
-            String userType = "guest".equals(loginDomain.getUser().getStatus())?"guest":"user";
+            String userType = !"guest".equals(loginDomain.getUser().getStatus())?"guest":"user";
             if (members != null && !members.isEmpty()) {
                 ChatMemberVO member = members.get(0);
                 userName = member.getUserName();

urbanLifelineWeb/packages/workcase/src/views/admin/customerChat/CustomerChatView.vue

@@ -15,160 +15,172 @@
 
                     <div class="filter-right">
                         <el-select v-model="statusFilter" placeholder="对话状态" clearable style="width: 120px;">
-                            <el-option label="进行中" value="ongoing" />
-                            <el-option label="已结束" value="ended" />
-                            <el-option label="已转工单" value="converted" />
+                            <el-option label="进行中" value="active" />
+                            <el-option label="已结束" value="closed" />
                         </el-select>
-                        <el-select v-model="satisfactionFilter" placeholder="满意度" clearable style="width: 120px;">
-                            <el-option label="满意" value="satisfied" />
-                            <el-option label="一般" value="normal" />
-                            <el-option label="不满意" value="unsatisfied" />
-                        </el-select>
-                        <el-input v-model="searchKeyword" placeholder="搜索客户/内容" style="width: 200px;" :prefix-icon="Search" clearable />
+                        <el-input v-model="searchKeyword" placeholder="搜索客户/聊天室" style="width: 200px;" :prefix-icon="Search" clearable @keyup.enter="loadChatRooms" />
+                        <el-button type="primary" @click="loadChatRooms">搜索</el-button>
                     </div>
                 </div>
             </el-card>
 
             <!-- 对话列表 -->
-            <el-card>
-                <el-table :data="filteredChats" style="width: 100%">
-                    <el-table-column prop="chatId" label="对话ID" width="140">
+            <el-card v-loading="loading">
+                <el-table :data="chatRooms" style="width: 100%">
+                    <el-table-column prop="roomId" label="聊天室ID" width="180">
                         <template #default="{ row }">
-                            <span style="color: #409eff; font-weight: 500;">{{ row.chatId }}</span>
+                            <span style="color: #409eff; font-weight: 500;">{{ row.roomId?.substring(0, 8) }}...</span>
                         </template>
                     </el-table-column>
-                    <el-table-column prop="customerName" label="客户信息" width="150">
+                    <el-table-column prop="roomName" label="聊天室名称" width="180" />
+                    <el-table-column prop="guestName" label="客户" width="120" />
+                    <el-table-column prop="workcaseId" label="关联工单" width="140">
                         <template #default="{ row }">
-                            <div class="customer-info">
-                                <span class="name">{{ row.customerName }}</span>
-                                <span class="phone">{{ row.customerPhone }}</span>
-                            </div>
+                            <span v-if="row.workcaseId" style="color: #67c23a;">{{ row.workcaseId }}</span>
+                            <span v-else style="color: #909399;">-</span>
                         </template>
                     </el-table-column>
-                    <el-table-column prop="agentName" label="客服人员" width="100" />
-                    <el-table-column prop="messageCount" label="消息数" width="80" align="center" />
-                    <el-table-column prop="duration" label="对话时长" width="100" />
                     <el-table-column prop="status" label="状态" width="100">
                         <template #default="{ row }">
                             <el-tag :type="getStatusType(row.status)" size="small">
-                                {{ row.statusName }}
+                                {{ getStatusName(row.status) }}
                             </el-tag>
                         </template>
                     </el-table-column>
-                    <el-table-column prop="satisfaction" label="满意度" width="100">
-                        <template #default="{ row }">
-                            <el-rate v-model="row.satisfaction" disabled allow-half />
-                        </template>
-                    </el-table-column>
-                    <el-table-column prop="startTime" label="开始时间" width="160" />
-                    <el-table-column label="操作" width="200" fixed="right">
+                    <el-table-column prop="createTime" label="创建时间" width="160" />
+                    <el-table-column label="操作" width="150" fixed="right">
                         <template #default="{ row }">
                             <el-button type="primary" link size="small" @click="viewChat(row)">查看</el-button>
-                            <el-button type="success" link size="small" @click="downloadChat(row)">下载</el-button>
-                            <el-button v-if="row.status === 'ongoing'" type="warning" link size="small" @click="endChat(row)">结束</el-button>
+                            <el-button v-if="row.status === 'active'" type="warning" link size="small" @click="closeChat(row)">关闭</el-button>
                         </template>
                     </el-table-column>
                 </el-table>
 
                 <div class="table-pagination">
-                    <el-pagination v-model:current-page="currentPage" :page-size="10" :total="chats.length" layout="total, prev, pager, next" />
+                    <el-pagination 
+                        v-model:current-page="currentPage" 
+                        :page-size="pageSize" 
+                        :total="total" 
+                        layout="total, prev, pager, next"
+                        @current-change="loadChatRooms"
+                    />
                 </div>
             </el-card>
         </div>
 
-        <!-- 查看对话详情弹窗 -->
-        <el-dialog v-model="showChatDialog" title="对话详情" width="700px">
-            <div class="chat-messages">
-                <div v-for="(msg, idx) in currentChatMessages" :key="idx" class="message-item" :class="msg.type">
-                    <div class="message-header">
-                        <span class="sender">{{ msg.sender }}</span>
-                        <span class="time">{{ msg.time }}</span>
-                    </div>
-                    <div class="message-content">{{ msg.content }}</div>
-                </div>
-            </div>
+        <!-- 查看对话详情弹窗 - 复用 ChatMessage 组件 -->
+        <el-dialog v-model="showChatDialog" title="对话详情" width="800px" class="chat-dialog">
+            <ChatMessage v-if="showChatDialog && currentRoomId" :room-id="currentRoomId" :chat-room="currentChatRoom" />
         </el-dialog>
     </AdminLayout>
 </template>
 
 <script setup lang="ts">
-import { ref, computed } from 'vue'
+import { ref, onMounted } from 'vue'
 import AdminLayout from '@/views/admin/AdminLayout.vue'
+import { ChatMessage } from '@/views/public/ChatRoom/'
 import { Download, Search } from 'lucide-vue-next'
 import { ElMessage } from 'element-plus'
+import { workcaseChatAPI } from '@/api/workcase/workcaseChat'
+import type { ChatRoomVO } from '@/types/workcase/chatRoom'
 
 const dateRange = ref<[Date, Date] | null>(null)
 const statusFilter = ref('')
-const satisfactionFilter = ref('')
 const searchKeyword = ref('')
 const currentPage = ref(1)
+const pageSize = ref(10)
+const total = ref(0)
+const loading = ref(false)
 const showChatDialog = ref(false)
-const currentChatMessages = ref<any[]>([])
+const currentRoomId = ref('')
+const currentChatRoom = ref<ChatRoomVO | undefined>(undefined)
 
-const chats = ref([
-    { chatId: 'CH001', customerName: '张三', customerPhone: '13800138000', agentName: '王五', messageCount: 24, duration: '15分钟', status: 'ended', statusName: '已结束', satisfaction: 4, startTime: '2024-12-13 10:30' },
-    { chatId: 'CH002', customerName: '李四', customerPhone: '13800138001', agentName: '赵六', messageCount: 18, duration: '12分钟', status: 'ended', statusName: '已结束', satisfaction: 5, startTime: '2024-12-13 09:15' },
-    { chatId: 'CH003', customerName: '王五', customerPhone: '13800138002', agentName: '孙七', messageCount: 32, duration: '22分钟', status: 'converted', statusName: '已转工单', satisfaction: 3, startTime: '2024-12-12 14:20' },
-    { chatId: 'CH004', customerName: '赵六', customerPhone: '13800138003', agentName: '李四', messageCount: 15, duration: '10分钟', status: 'ongoing', statusName: '进行中', satisfaction: 0, startTime: '2024-12-13 11:00' },
-    { chatId: 'CH005', customerName: '孙七', customerPhone: '13800138004', agentName: '王五', messageCount: 28, duration: '18分钟', status: 'ended', statusName: '已结束', satisfaction: 4.5, startTime: '2024-12-13 08:45' }
-])
+// 聊天室列表
+const chatRooms = ref<ChatRoomVO[]>([])
 
-const filteredChats = computed(() => {
-    let result = chats.value
-    if (statusFilter.value) {
-        result = result.filter(c => c.status === statusFilter.value)
-    }
-    if (satisfactionFilter.value) {
-        const satisfaction = satisfactionFilter.value === 'satisfied' ? 4 : satisfactionFilter.value === 'normal' ? 2.5 : 1
-        result = result.filter(c => {
-            if (satisfactionFilter.value === 'satisfied') return c.satisfaction >= 4
-            if (satisfactionFilter.value === 'normal') return c.satisfaction >= 2 && c.satisfaction < 4
-            if (satisfactionFilter.value === 'unsatisfied') return c.satisfaction < 2
-            return true
+// 加载聊天室列表
+const loadChatRooms = async () => {
+    loading.value = true
+    try {
+        const filter: any = {}
+        if (statusFilter.value) {
+            filter.status = statusFilter.value
+        }
+        if (searchKeyword.value) {
+            filter.roomName = searchKeyword.value
+        }
+        
+        const res = await workcaseChatAPI.getChatRoomPage({
+            filter,
+            pageParam: {
+                page: currentPage.value,
+                pageSize: pageSize.value
+            }
         })
+        
+        if (res.success) {
+            chatRooms.value = res.dataList || []
+            total.value = res.total || 0
+        } else {
+            ElMessage.error(res.message || '加载聊天室列表失败')
+        }
+    } catch (error) {
+        console.error('加载聊天室列表失败:', error)
+        ElMessage.error('加载聊天室列表失败')
+    } finally {
+        loading.value = false
     }
-    if (searchKeyword.value) {
-        const keyword = searchKeyword.value.toLowerCase()
-        result = result.filter(c =>
-            c.customerName.toLowerCase().includes(keyword) ||
-            c.customerPhone.includes(keyword)
-        )
-    }
-    return result.slice((currentPage.value - 1) * 10, currentPage.value * 10)
-})
+}
 
 const getStatusType = (status: string) => {
     const map: Record<string, string> = {
-        ongoing: 'success',
-        ended: 'info',
-        converted: 'warning'
+        active: 'success',
+        closed: 'info'
     }
     return map[status] || 'info'
 }
 
-const viewChat = (row: any) => {
-    currentChatMessages.value = [
-        { type: 'customer', sender: row.customerName, time: '10:30:15', content: '你好，我的设备出现了故障' },
-        { type: 'agent', sender: row.agentName, time: '10:30:45', content: '您好，感谢您的咨询。请问是什么故障呢？' },
-        { type: 'customer', sender: row.customerName, time: '10:31:20', content: '显示屏不亮了，但是有声音' },
-        { type: 'agent', sender: row.agentName, time: '10:31:50', content: '好的，这可能是显示屏的问题。请问您的设备型号是什么？' },
-        { type: 'customer', sender: row.customerName, time: '10:32:30', content: 'TH-500GF' },
-        { type: 'agent', sender: row.agentName, time: '10:33:00', content: '好的，我为您创建了一个工单，技术人员会尽快联系您' }
-    ]
+const getStatusName = (status: string) => {
+    const map: Record<string, string> = {
+        active: '进行中',
+        closed: '已结束'
+    }
+    return map[status] || status
+}
+
+const viewChat = (row: ChatRoomVO) => {
+    currentRoomId.value = row.roomId || ''
+    currentChatRoom.value = row
     showChatDialog.value = true
 }
 
-const downloadChat = (row: any) => {
-    ElMessage.success(`下载对话: ${row.chatId}`)
-}
-
-const endChat = (row: any) => {
-    ElMessage.info(`结束对话: ${row.chatId}`)
+const closeChat = async (row: ChatRoomVO) => {
+    if (!row.roomId) return
+    
+    try {
+        const loginDomain = JSON.parse(localStorage.getItem('loginDomain') || '{}')
+        const userId = loginDomain?.userInfo?.userId || ''
+        
+        const res = await workcaseChatAPI.closeChatRoom(row.roomId, userId)
+        if (res.success) {
+            ElMessage.success('聊天室已关闭')
+            await loadChatRooms()
+        } else {
+            ElMessage.error(res.message || '关闭失败')
+        }
+    } catch (error) {
+        console.error('关闭聊天室失败:', error)
+        ElMessage.error('关闭聊天室失败')
+    }
 }
 
 const exportData = () => {
-    ElMessage.success('数据导出成功')
+    ElMessage.success('数据导出功能开发中')
 }
+
+onMounted(() => {
+    loadChatRooms()
+})
 </script>
 
 <style lang="scss" scoped>
@@ -196,50 +208,11 @@ const exportData = () => {
     color: #909399;
 }
 
-.chat-messages {
-    display: flex;
-    flex-direction: column;
-    gap: 12px;
-    max-height: 400px;
-    overflow-y: auto;
-}
-
-.message-item {
-    padding: 10px 12px;
-    border-radius: 8px;
-    background: #f5f7fa;
-}
-
-.message-item.customer {
-    background: #e6f7ff;
-    margin-left: 20px;
-}
-
-.message-item.agent {
-    background: #f0f9ff;
-    margin-right: 20px;
-}
-
-.message-header {
-    display: flex;
-    align-items: center;
-    justify-content: space-between;
-    margin-bottom: 6px;
-    font-size: 12px;
-}
-
-.message-header .sender {
-    font-weight: 500;
-    color: #303133;
-}
-
-.message-header .time {
-    color: #909399;
-}
-
-.message-content {
-    color: #303133;
-    line-height: 1.5;
-    word-break: break-word;
+.chat-dialog {
+    :deep(.el-dialog__body) {
+        padding: 0;
+        max-height: 600px;
+        overflow: hidden;
+    }
 }
 </style>

urbanLifelineWeb/packages/workcase/src/views/public/ChatRoom/ChatMessage/ChatMessage.vue

@@ -35,7 +35,15 @@
         <!-- 内容区域 -->
         <main class="chat-main">
             <!-- 对话记录 -->
-            <div v-if="activeTab === 'record'" class="messages-container">
+            <div v-if="activeTab === 'record'" class="messages-container" ref="messagesContainerRef" @scroll="handleScroll">
+                <!-- 加载更多提示 -->
+                <div v-if="loadingMore" class="loading-more">
+                    <span>加载中...</span>
+                </div>
+                <div v-else-if="!hasMore && messages.length > 0" class="no-more">
+                    <span>没有更多消息了</span>
+                </div>
+
                 <div class="messages-list">
                     <div v-for="message in messages" :key="message.messageId" 
                          class="message-item"
@@ -65,7 +73,7 @@
                     </div>
 
                     <!-- 空状态 -->
-                    <div v-if="messages.length === 0" class="empty-state">
+                    <div v-if="messages.length === 0 && !loading" class="empty-state">
                         <div class="empty-text">暂无对话记录</div>
                     </div>
                 </div>
@@ -92,7 +100,7 @@
     </div>
 </template>
 <script setup lang="ts">
-import { ref, onMounted } from 'vue'
+import { ref, onMounted, watch, computed, nextTick } from 'vue'
 import type { ChatRoomVO, ChatRoomMessageVO } from '@/types/workcase/chatRoom'
 import { workcaseChatAPI } from '@/api/workcase/workcaseChat'
 
@@ -113,11 +121,25 @@ const props = withDefaults(defineProps<Props>(), {
 
 const activeTab = ref<'record' | 'summary'>('record')
 const messages = ref<ChatRoomMessageVO[]>([])
+const loading = ref(false)
+const loadingMore = ref(false)
 const summary = ref<Summary>({
     overview: '',
     demand: ''
 })
 
+// 分页相关
+const currentPage = ref(1)
+const pageSize = 20
+const total = ref(0)
+const hasMore = computed(() => messages.value.length < total.value)
+
+// 滚动容器引用
+const messagesContainerRef = ref<HTMLElement | null>(null)
+
+// 计算目标 roomId
+const targetRoomId = computed(() => props.roomId || props.chatRoom?.roomId || '')
+
 // 格式化时间
 const formatTime = (timeStr?: string) => {
     if (!timeStr) return ''
@@ -137,23 +159,85 @@ const getAvatarText = (message: ChatRoomMessageVO) => {
     return message.senderName?.charAt(0) || '电'
 }
 
-// 加载消息数据
+// 加载消息数据（首次加载，获取最新消息）
 const loadMessages = async () => {
-    const targetRoomId = props.roomId || props.chatRoom?.roomId
-    if (!targetRoomId) return
+    if (!targetRoomId.value) return
 
+    loading.value = true
+    currentPage.value = 1
     try {
         const res = await workcaseChatAPI.getChatMessagePage({
-            filter: { roomId: targetRoomId },
-            pageParam: { page: 1, pageSize: 100 }
+            filter: { roomId: targetRoomId.value },
+            pageParam: { page: 1, pageSize }
         })
         
         if (res.success && res.dataList) {
-            // 后端降序返回，需要反转
+            // 后端降序返回（最新在前），需要反转显示（最新在下）
             messages.value = [...res.dataList].reverse()
+            total.value = res.total || 0
+            
+            // 滚动到底部
+            await nextTick()
+            scrollToBottom()
         }
     } catch (error) {
         console.error('加载消息失败:', error)
+    } finally {
+        loading.value = false
+    }
+}
+
+// 加载更多历史消息（滚动到顶部时触发）
+const loadMoreMessages = async () => {
+    if (!targetRoomId.value || loadingMore.value || !hasMore.value) return
+
+    loadingMore.value = true
+    const container = messagesContainerRef.value
+    const oldScrollHeight = container?.scrollHeight || 0
+    
+    try {
+        currentPage.value++
+        const res = await workcaseChatAPI.getChatMessagePage({
+            filter: { roomId: targetRoomId.value },
+            pageParam: { page: currentPage.value, pageSize }
+        })
+        
+        if (res.success && res.dataList && res.dataList.length > 0) {
+            // 后端降序返回，反转后插入到消息列表前面
+            const olderMessages = [...res.dataList].reverse()
+            messages.value = [...olderMessages, ...messages.value]
+            
+            // 保持滚动位置（新内容加载后保持原来的可视区域）
+            await nextTick()
+            if (container) {
+                const newScrollHeight = container.scrollHeight
+                container.scrollTop = newScrollHeight - oldScrollHeight
+            }
+        }
+    } catch (error) {
+        console.error('加载更多消息失败:', error)
+        currentPage.value-- // 回退页码
+    } finally {
+        loadingMore.value = false
+    }
+}
+
+// 滚动到底部
+const scrollToBottom = () => {
+    const container = messagesContainerRef.value
+    if (container) {
+        container.scrollTop = container.scrollHeight
+    }
+}
+
+// 处理滚动事件
+const handleScroll = () => {
+    const container = messagesContainerRef.value
+    if (!container) return
+    
+    // 滚动到顶部附近时加载更多（距离顶部50px以内）
+    if (container.scrollTop < 50 && hasMore.value && !loadingMore.value) {
+        loadMoreMessages()
     }
 }
 
@@ -175,7 +259,37 @@ onMounted(async () => {
     await loadMessages()
     generateSummary()
 })
+
+// 监听 roomId 变化，重新加载数据
+watch(targetRoomId, async (newVal) => {
+    if (newVal) {
+        messages.value = []
+        summary.value = { overview: '', demand: '' }
+        currentPage.value = 1
+        total.value = 0
+        await loadMessages()
+        generateSummary()
+    }
+})
 </script>
 <style scoped lang="scss">
 @import url("./ChatMessage.scss");
+
+.loading-more,
+.no-more {
+    text-align: center;
+    padding: 12px;
+    color: #909399;
+    font-size: 12px;
+}
+
+.loading-more span {
+    display: inline-block;
+    animation: pulse 1.5s ease-in-out infinite;
+}
+
+@keyframes pulse {
+    0%, 100% { opacity: 0.5; }
+    50% { opacity: 1; }
+}
 </style>