feat(消息): 实现消息详情和聊天功能的API集成

- 在点击对话时根据类型获取系统消息详情或聊天记录
- 重构MessageDetail组件以显示真实数据而非模拟数据
- 添加消息发送功能并与API集成
- 完善系统消息的显示样式和元信息

@@ -32,7 +32,15 @@
         <!-- 系统通知样式 -->
         <view v-if="conversation?.type === 'system'" class="system-content">
           <view class="message-content">
-            <text class="text-base">{{ conversation?.lastMessage }}</text>
+            <view class="message-title" v-if="conversation?.title">
+              <text class="text-lg font-medium">{{ conversation.title }}</text>
+            </view>
+            <view class="message-body">
+              <text class="text-base">{{ conversation?.note || conversation?.lastMessage }}</text>
+            </view>
+            <view class="message-meta" v-if="conversation?.created_time_desc">
+              <text class="text-sm text-gray-500">发布时间：{{ conversation.created_time_desc }}</text>
+            </view>
           </view>
         </view>
 
@@ -107,6 +115,8 @@
 <script setup>
 import { ref, computed, watch, nextTick } from 'vue'
 import Taro from '@tarojs/taro'
+import { sendChatAPI } from '@/api/chat'
+import { useUserStore } from '@/stores/user'
 
 /**
  * 消息详情组件 Props
@@ -149,46 +159,33 @@ const messages = ref([])
  * 初始化聊天消息
  */
 const initChatMessages = () => {
+  const userStore = useUserStore()
+  const currentUserId = userStore.userInfo?.id
+  
   if (props.conversation?.type === 'chat') {
-    // 模拟历史消息
+    // 使用从API获取的真实聊天记录
+    if (props.conversation.chatMessages && props.conversation.chatMessages.length > 0) {
+      // 转换API数据格式为组件需要的格式
+      messages.value = props.conversation.chatMessages.map(msg => ({
+        type: msg.created_by === currentUserId ? 'sent' : 'received', // 根据创建者ID判断
+        content: msg.note || '',
+        time: msg.created_time_desc || '',
+        id: msg.id
+      }))
+    } else {
+      // 如果没有历史消息，显示欢迎消息
       messages.value = [
         {
           type: 'received',
-        content: props.conversation.lastMessage || '您好，有什么可以帮助您的吗？',
-        time: '10:30'
-      },
-      {
-        type: 'sent',
-        content: '我想咨询一下车辆的相关问题',
-        time: '10:32'
-      },
-      {
-        type: 'received',
-        content: '好的，请问您具体想了解哪方面的信息呢？我会尽力为您解答。',
-        time: '10:33'
-      },
-      {
-        type: 'sent',
-        content: '我想咨询一下车辆的相关问题',
-        time: '10:34'
-      },
-      {
-        type: 'received',
-        content: '好的，请问您具体想了解哪方面的信息呢？我会尽力为您解答。',
-        time: '10:35'
-      },
-      {
-        type: 'sent',
-        content: '我想咨询一下车辆的相关问题',
-        time: '10:36'
-      },
-      {
-        type: 'received',
-        content: '好的，请问您具体想了解哪方面的信息呢？我会尽力为您解答。',
-        time: '10:37'
-      },
+          content: '您好，有什么可以帮助您的吗？',
+          time: new Date().toLocaleTimeString('zh-CN', {
+            hour: '2-digit',
+            minute: '2-digit'
+          })
+        }
       ]
     }
+  }
 }
 
 /**
@@ -203,46 +200,75 @@ const sendMessage = async () => {
     return
   }
 
+  // 只有聊天类型才能发送消息
+  if (props.conversation?.type !== 'chat') {
+    Taro.showToast({
+      title: '系统消息无法回复',
+      icon: 'none'
+    })
+    return
+  }
+
+  const messageContent = inputMessage.value.trim()
+  
+  try {
+    // 先添加到本地显示
     const newMessage = {
       type: 'sent',
-    content: inputMessage.value.trim(),
+      content: messageContent,
       time: new Date().toLocaleTimeString('zh-CN', {
         hour: '2-digit',
         minute: '2-digit'
       })
     }
-
     messages.value.push(newMessage)
     
     // 清空输入框
-  const messageContent = inputMessage.value
     inputMessage.value = ''
     
     // 滚动到底部
     await nextTick()
     scrollToBottom()
     
-  // 触发发送消息事件
+    // 调用API发送消息
+    const response = await sendChatAPI({
+      conversation_id: props.conversation.id,
+      note: messageContent
+    })
+    
+    if (response.code) {
+      // 发送成功，更新消息ID
+      if (response.data && response.data.id) {
+        newMessage.id = response.data.id
+      }
+      
+      // 触发发送消息事件，通知父组件更新列表
       emit('sendMessage', {
         conversation: props.conversation,
         message: messageContent
       })
       
-  // 模拟对方回复
-  setTimeout(() => {
-    const replyMessage = {
-      type: 'received',
-      content: '收到您的消息，我们会尽快处理并回复您。',
-      time: new Date().toLocaleTimeString('zh-CN', {
-        hour: '2-digit',
-        minute: '2-digit'
+      Taro.showToast({
+        title: '发送成功',
+        icon: 'success'
+      })
+    } else {
+      // 发送失败，移除本地消息
+      messages.value.pop()
+      Taro.showToast({
+        title: response.msg || '发送失败',
+        icon: 'error'
       })
     }
-    messages.value.push(replyMessage)
-    nextTick(() => {
-      scrollToBottom()
+  } catch (error) {
+    console.error('发送消息失败:', error)
+    // 发送失败，移除本地消息
+    messages.value.pop()
+    Taro.showToast({
+      title: '发送失败',
+      icon: 'error'
     })
-  }, 1000)
+  }
 }
 
 /**
@@ -350,6 +376,22 @@ watch(visible, (newVisible) => {
     border-radius: 16rpx;
     margin-bottom: 24rpx;
     box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.1);
+    
+    .message-title {
+      margin-bottom: 16rpx;
+      padding-bottom: 12rpx;
+      border-bottom: 1rpx solid #f0f0f0;
+    }
+    
+    .message-body {
+      line-height: 1.6;
+      margin-bottom: 16rpx;
+    }
+    
+    .message-meta {
+      padding-top: 12rpx;
+      border-top: 1rpx solid #f0f0f0;
+    }
   }
 }
 

@@ -103,7 +103,7 @@ import MessageDetail from '@/components/MessageDetail.vue'
 import { $ } from '@tarojs/extend'
 import Taro from '@tarojs/taro'
 // 导入接口
-import { getMessagesListAPI } from '@/api/chat'
+import { getMessagesListAPI, getMessagesDetailAPI, getChatListAPI } from '@/api/chat'
 
 // 默认头像
 const defaultAvatar = 'https://cdn.ipadbiz.cn/mlaj/images/icon_1.jpeg'
@@ -332,14 +332,67 @@ const loadMore = async () => {
 
 
 // 点击对话 - 显示消息详情弹框
-const onConversationClick = (conversation) => {
+const onConversationClick = async (conversation) => {
+    try {
+        loading.value = true
+        
+        // 根据消息类型获取详情数据
+        if (conversation.type === 'system') {
+            // 获取系统消息详情
+            const response = await getMessagesDetailAPI({ id: conversation.id })
+            if (response.code && response.data) {
+                // 更新conversation数据
+                selectedConversation.value = {
+                    ...conversation,
+                    ...response.data,
+                    name: '系统通知',
+                    lastMessage: response.data.note || conversation.lastMessage,
+                    time: response.data.created_time_desc || conversation.time
+                }
+            } else {
                 selectedConversation.value = conversation
+            }
+        } else if (conversation.type === 'chat') {
+            // 获取聊天消息列表
+            const response = await getChatListAPI({ 
+                conversation_id: conversation.id,
+                page: 0,
+                limit: 50
+            })
+            if (response.code && response.data) {
+                // 更新conversation数据，包含聊天记录和接收者信息
+                selectedConversation.value = {
+                    ...conversation,
+                    chatMessages: response.data.list || [],
+                    receiver: response.data.receiver || {},
+                    name: response.data.receiver?.nickname || conversation.name,
+                    avatar: response.data.receiver?.avatar || conversation.avatar
+                }
+            } else {
+                selectedConversation.value = conversation
+            }
+        } else {
+            selectedConversation.value = conversation
+        }
 
         // 显示弹框
         showMessageDetail.value = true
 
         // 标记为已读
         markAsRead(conversation.id)
+    } catch (error) {
+        console.error('获取消息详情失败:', error)
+        Taro.showToast({
+            title: '获取详情失败',
+            icon: 'error'
+        })
+        // 即使失败也显示基本信息
+        selectedConversation.value = conversation
+        showMessageDetail.value = true
+        markAsRead(conversation.id)
+    } finally {
+        loading.value = false
+    }
 }