web端聊天室优化

urbanLifelineWeb/packages/workcase/src/components/chatRoom/chatRoom/ChatRoom.scss

@@ -10,6 +10,14 @@ $brand-color-hover: #004488;
     background: #fff;
 }
 
+// ==================== 加载更多 ====================
+.loading-more {
+    text-align: center;
+    padding: 12px;
+    font-size: 13px;
+    color: #94a3b8;
+}
+
 // ==================== 聊天室头部 ====================
 .chat-header {
     height: 64px;
@@ -96,12 +104,28 @@ $brand-color-hover: #004488;
         border-radius: 50%;
         flex-shrink: 0;
         overflow: hidden;
+        background: $brand-color-light;
+        display: flex;
+        align-items: center;
+        justify-content: center;
 
         img {
             width: 100%;
             height: 100%;
             object-fit: cover;
         }
+
+        .avatar-text {
+            font-size: 14px;
+            font-weight: 600;
+            color: $brand-color;
+        }
+    }
+
+    .sender-name {
+        font-size: 12px;
+        color: #64748b;
+        margin-bottom: 4px;
     }
 
     .message-content-wrapper {

urbanLifelineWeb/packages/workcase/src/components/chatRoom/chatRoom/ChatRoom.vue

@@ -10,7 +10,11 @@
         </header>
 
         <!-- 消息容器 -->
-        <div ref="messagesRef" class="messages-container">
+        <div ref="messagesRef" class="messages-container" @scroll="handleScroll">
+            <!-- 加载更多提示 -->
+            <div v-if="loadingMore" class="loading-more">加载中...</div>
+            <div v-else-if="!hasMore" class="loading-more">没有更多消息了</div>
+
             <!-- Jitsi Meet会议iframe -->
             <div v-if="showMeeting && meetingUrl" class="meeting-container">
                 <IframeView :src="meetingUrl" />
@@ -24,9 +28,13 @@
                     class="message-row"
                     :class="message.senderId === currentUserId ? 'is-me' : 'other'"
                 >
+                    <div>
                         <!-- 头像 -->
                         <div class="message-avatar">
-                        <img :src="FILE_DOWNLOAD_URL + message.senderAvatar" />
+                            <img v-if="message.senderAvatar" :src="FILE_DOWNLOAD_URL + message.senderAvatar" />
+                            <span v-else class="avatar-text">{{ message.senderName?.charAt(0) || '?' }}</span>
+                        </div>
+                        <div class="sender-name">{{ message.senderName || '未知用户' }}</div>
                     </div>
 
                     <!-- 消息内容 -->
@@ -126,12 +134,16 @@ interface Props {
     meetingUrl?: string
     showMeeting?: boolean
     fileDownloadUrl?: string
+    hasMore?: boolean
+    loadingMore?: boolean
 }
 
 const props = withDefaults(defineProps<Props>(), {
     roomName: '聊天室',
     showMeeting: false,
-    fileDownloadUrl: ''
+    fileDownloadUrl: '',
+    hasMore: true,
+    loadingMore: false
 })
 
 const FILE_DOWNLOAD_URL = props.fileDownloadUrl
@@ -140,8 +152,17 @@ const emit = defineEmits<{
     'send-message': [content: string, files: File[]]
     'start-meeting': []
     'download-file': [fileId: string]
+    'load-more': []
 }>()
 
+// 滚动到顶部加载更多
+const handleScroll = (e: Event) => {
+    const target = e.target as HTMLElement
+    if (target.scrollTop < 50 && props.hasMore && !props.loadingMore) {
+        emit('load-more')
+    }
+}
+
 defineSlots<{
     header?: () => any
     'action-area'?: () => any

urbanLifelineWeb/packages/workcase/src/views/public/ChatRoom/ChatRoomView.scss

@@ -12,15 +12,135 @@ $brand-color-hover: #004488;
     font-family: 'Inter', 'Noto Sans SC', sans-serif;
 }
 
-// ==================== 聊天室列表侧边栏 ====================
+// ==================== 折叠状态的侧边栏 ====================
-.room-list-sidebar {
+.sidebar-collapsed {
-    width: 320px;
+    position: absolute;
+    left: 0;
+    top: 0;
     height: 100%;
+    width: 48px;
     background: #fff;
     border-right: 1px solid #e2e8f0;
     display: flex;
     flex-direction: column;
-    flex-shrink: 0;
+    align-items: center;
+    padding: 16px 0;
+    z-index: 10;
+
+    .sidebar-toggle-btn {
+        padding: 8px;
+        color: #64748b;
+        background: transparent;
+        border: none;
+        border-radius: 8px;
+        cursor: pointer;
+        transition: all 0.2s;
+        margin-bottom: 8px;
+
+        &:hover {
+            color: $brand-color;
+            background: $brand-color-light;
+        }
+    }
+
+    .sidebar-icons {
+        flex: 1;
+        overflow-y: auto;
+        width: 100%;
+        display: flex;
+        flex-direction: column;
+        align-items: center;
+        gap: 4px;
+        padding: 8px 0;
+    }
+
+    .sidebar-icon-btn {
+        width: 32px;
+        height: 32px;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        color: #fff;
+        background: linear-gradient(135deg, $brand-color 0%, $brand-color-hover 100%);
+        border: none;
+        border-radius: 50%;
+        cursor: pointer;
+        transition: all 0.2s;
+        font-size: 12px;
+        font-weight: 600;
+
+        &:hover {
+            transform: scale(1.1);
+        }
+
+        &.active {
+            box-shadow: 0 0 0 2px $brand-color-light;
+        }
+    }
+
+    .expand-btn {
+        padding: 8px;
+        color: #94a3b8;
+        background: transparent;
+        border: none;
+        border-radius: 8px;
+        cursor: pointer;
+        transition: all 0.2s;
+
+        &:hover {
+            color: #64748b;
+            background: #f1f5f9;
+        }
+    }
+}
+
+// ==================== 展开时的关闭按钮 ====================
+.sidebar-close-btn {
+    position: absolute;
+    left: 256px;
+    top: 50%;
+    transform: translateY(-50%);
+    z-index: 20;
+    background: #fff;
+    border: 1px solid #e2e8f0;
+    border-left: none;
+    border-radius: 0 8px 8px 0;
+    padding: 8px;
+    cursor: pointer;
+    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.05);
+    transition: all 0.2s;
+    color: #64748b;
+
+    &:hover {
+        background: #f8fafc;
+        box-shadow: 2px 0 12px rgba(0, 0, 0, 0.1);
+    }
+}
+
+// ==================== 聊天室列表侧边栏 ====================
+.room-list-sidebar {
+    position: absolute;
+    left: 0;
+    top: 0;
+    height: 100%;
+    width: 0;
+    background: #fff;
+    border-right: 1px solid #e2e8f0;
+    z-index: 10;
+    transition: all 0.3s ease;
+    overflow: hidden;
+    box-shadow: 4px 0 16px rgba(0, 0, 0, 0.08);
+
+    &.open {
+        width: 256px;
+    }
+
+    .sidebar-inner {
+        width: 256px;
+        height: 100%;
+        display: flex;
+        flex-direction: column;
+    }
 
     .sidebar-header {
         height: 56px;
@@ -156,6 +276,12 @@ $brand-color-hover: #004488;
     flex-direction: column;
     height: 100%;
     background: #fff;
+    margin-left: 48px;
+    transition: margin-left 0.3s ease;
+
+    &.sidebar-open {
+        margin-left: 256px;
+    }
 }
 
 // ==================== 聊天室头部 ====================

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

@@ -1,7 +1,35 @@
 <template>
     <div class="chat-room-container">
+        <!-- 折叠状态的侧边栏 -->
+        <div v-if="!isSidebarOpen" class="sidebar-collapsed">
+            <button class="sidebar-toggle-btn" @click="toggleSidebar" title="展开聊天室列表">
+                <MessageCircle :size="20" />
+            </button>
+            <div class="sidebar-icons">
+                <button
+                    v-for="room in filteredRooms.slice(0, 8)"
+                    :key="room.roomId"
+                    @click="selectRoom(room.roomId!); toggleSidebar()"
+                    class="sidebar-icon-btn"
+                    :class="{ active: currentRoomId === room.roomId }"
+                    :title="room.roomName"
+                >
+                    {{ room.guestName?.substring(0, 1) || '?' }}
+                </button>
+            </div>
+            <button class="expand-btn" @click="toggleSidebar" title="展开聊天室列表">
+                <ChevronRight :size="18" />
+            </button>
+        </div>
+
+        <!-- 展开时的关闭按钮 -->
+        <button v-if="isSidebarOpen" class="sidebar-close-btn" @click="toggleSidebar">
+            <ChevronLeft :size="18" />
+        </button>
+
         <!-- 聊天室列表侧边栏 -->
-        <aside class="room-list-sidebar">
+        <aside class="room-list-sidebar" :class="{ open: isSidebarOpen }">
+            <div class="sidebar-inner">
                 <!-- 头部 -->
                 <div class="sidebar-header">
                     <span class="title">聊天室</span>
@@ -49,21 +77,26 @@
                         </div>
                     </div>
                 </div>
+            </div>
         </aside>
 
         <!-- 主聊天区域 -->
-        <main class="chat-main">
+        <main class="chat-main" :class="{ 'sidebar-open': isSidebarOpen }">
             <template v-if="currentRoomId">
                 <ChatRoom
+                    ref="chatRoomRef"
                     :messages="messages"
                     :current-user-id="userId"
                     :room-name="currentRoom?.roomName"
                     :meeting-url="currentMeetingUrl"
                     :show-meeting="showMeetingIframe"
                     :file-download-url="FILE_DOWNLOAD_URL"
+                    :has-more="hasMore"
+                    :loading-more="loadingMore"
                     @send-message="handleSendMessage"
                     @start-meeting="startMeeting"
                     @download-file="downloadFile"
+                    @load-more="loadMoreMessages"
                 >
                     <template #header>
                         <div class="chat-room-header">
@@ -113,10 +146,11 @@
         </ElDialog>
     </div>
 </template>
+
 <script setup lang="ts">
-import { ref, computed, onMounted, onUnmounted, watch } from 'vue'
+import { ref, computed, onMounted, onUnmounted, watch, nextTick } from 'vue'
 import { ElButton, ElInput, ElDialog, ElMessage } from 'element-plus'
-import { Search, FileText, MessageSquare } from 'lucide-vue-next'
+import { Search, FileText, MessageSquare, MessageCircle, ChevronLeft, ChevronRight } from 'lucide-vue-next'
 import { ChatRoom } from '@/components/chatRoom'
 import WorkcaseDetail from '@/views/public/workcase/WorkcaseDetail/WorkcaseDetail.vue'
 import { workcaseChatAPI } from '@/api/workcase'
@@ -143,12 +177,26 @@ let listSubscription: any = null
 // 当前用户ID（从登录状态获取）
 const userId = ref(localStorage.getItem('userId') || '')
 
+// 侧边栏展开状态
+const isSidebarOpen = ref(false)
+
+// 切换侧边栏
+const toggleSidebar = () => {
+    isSidebarOpen.value = !isSidebarOpen.value
+}
+
 // 搜索文本
 const searchText = ref('')
 const userType = true //web端固定这个
 // 加载状态
 const loading = ref(false)
 const messageLoading = ref(false)
+const loadingMore = ref(false)
+
+// 分页状态
+const PAGE_SIZE = 5
+const currentPage = ref(1)
+const hasMore = ref(true)
 
 // 聊天室列表
 const chatRooms = ref<ChatRoomVO[]>([])
@@ -185,6 +233,9 @@ const showWorkcaseDetail = ref(false)
 const currentMeetingUrl = ref('')
 const showMeetingIframe = ref(false)
 
+// ChatRoom组件引用
+const chatRoomRef = ref<InstanceType<typeof ChatRoom> | null>(null)
+
 // 获取聊天室列表
 const fetchChatRooms = async () => {
     loading.value = true
@@ -196,6 +247,7 @@ const fetchChatRooms = async () => {
         if (result.success && result.pageDomain) {
             chatRooms.value = result.pageDomain.dataList || []
         }
+
     } catch (error) {
         console.error('获取聊天室列表失败:', error)
         ElMessage.error('获取聊天室列表失败')
@@ -210,17 +262,26 @@ const selectRoom = (roomId: string) => {
     loadMessages(roomId)
 }
 
-// 加载消息
+// 加载消息（初始加载page1，后端降序返回）
 const loadMessages = async (roomId: string) => {
     messageLoading.value = true
+    currentPage.value = 1
+    hasMore.value = true
     try {
         const result = await workcaseChatAPI.getChatMessagePage({
             filter: { roomId },
-            pageParam: { page: 1, pageSize: 100, total: 0 }
+            pageParam: { page: 1, pageSize: PAGE_SIZE }
         })
         if (result.success && result.pageDomain) {
-            messages.value = result.pageDomain.dataList || []
+            const pageInfo = result.pageDomain.pageParam
+            const actualTotalPages = pageInfo?.totalPages || 1
+            hasMore.value = actualTotalPages > currentPage.value
+            
+            // 后端降序返回，需要反转后显示（早的在上，新的在下）
+            const dataList = result.pageDomain.dataList || []
+            messages.value = [...dataList].reverse()
         }
+        // 加载完成后滚动到底部
         scrollToBottom()
     } catch (error) {
         console.error('加载消息失败:', error)
@@ -230,6 +291,39 @@ const loadMessages = async (roomId: string) => {
     }
 }
 
+// 加载更多历史消息（滚动到顶部触发）
+const loadMoreMessages = async () => {
+    if (!currentRoomId.value || loadingMore.value || !hasMore.value) return
+    
+    const nextPage = currentPage.value + 1
+    loadingMore.value = true
+    try {
+        const result = await workcaseChatAPI.getChatMessagePage({
+            filter: { roomId: currentRoomId.value },
+            pageParam: { page: nextPage, pageSize: PAGE_SIZE }
+        })
+        if (result.success && result.pageDomain) {
+            const pageInfo = result.pageDomain.pageParam
+            const actualTotalPages = pageInfo?.totalPages || 1
+            const dataList = result.pageDomain.dataList || []
+            
+            if (dataList.length > 0) {
+                currentPage.value = nextPage
+                hasMore.value = actualTotalPages > currentPage.value
+                // 后端降序返回，反转后插入到列表前面
+                const reversedList = [...dataList].reverse()
+                messages.value.unshift(...reversedList)
+            } else {
+                hasMore.value = false
+            }
+        }
+    } catch (error) {
+        console.error('加载更多消息失败:', error)
+    } finally {
+        loadingMore.value = false
+    }
+}
+
 // 处理发送消息（从ChatRoom组件触发）
 const handleSendMessage = async (content: string, files: File[]) => {
     if (!currentRoomId.value) return
@@ -284,9 +378,11 @@ const startMeeting = async () => {
     showMeetingIframe.value = true
 }
 
-// 滚动到底部
+// 滚动聊天消息到底部
 const scrollToBottom = () => {
-    // TODO: 滚动到ChatRoom组件底部
+    nextTick(() => {
+        chatRoomRef.value?.scrollToBottom()
+    })
 }
 
 // 格式化时间（用于聊天室列表）