feat: 工单详情页增强 - 支持图片粘贴拖拽和消息编辑功能

- 支持剪贴板粘贴图片和文件拖拽上传
- 添加消息编辑功能，支持修改内容和管理图片
- 编辑对话框支持显示、删除原有图片和添加新图片
- 修复消息更新API响应检查逻辑
- 优化图片文件ID管理，支持保留和删除原始图片

src/views/ticket/TicketDetail.vue

@@ -90,7 +90,19 @@
             <el-avatar :size="36" :src="message.avatar">{{ ticketInfo?.username?.charAt(0) || 'U' }}</el-avatar>
           </div>
           <div class="message-content">
-            <div class="message-text" v-if="message.content">{{ message.content }}</div>
+            <div class="message-text" v-if="message.content">
+              {{ message.content }}
+              <span 
+                v-if="message.isAdmin && !message.isTempMessage"
+                class="edit-btn"
+                @click="handleEditMessage(message)"
+                title="编辑消息"
+              >
+                <svg width="16" height="16" viewBox="0 0 24 24" fill="currentColor">
+                  <path d="M3 17.25V21h3.75L17.81 9.94l-3.75-3.75L3 17.25zM20.71 7.04c.39-.39.39-1.02 0-1.41l-2.34-2.34c-.39-.39-1.02-.39-1.41 0l-1.83 1.83 3.75 3.75 1.83-1.83z"/>
+                </svg>
+              </span>
+            </div>
             <div class="message-images" v-if="message.images && message.images.length">
               <img
                 v-for="(img, imgIndex) in message.images"
@@ -146,7 +158,6 @@
           :rows="3"
           placeholder="请输入回复内容（支持粘贴图片和拖拽图片）..."
           @keyup.ctrl.enter="sendMessage"
-          @paste="handlePaste"
         />
         <div class="input-actions">
           <div class="left-actions">
@@ -179,6 +190,47 @@
       <el-alert title="该工单已结束，无法继续回复" type="info" :closable="false" />
     </div>
 
+    <!-- 编辑消息对话框 -->
+    <el-dialog v-model="editDialogVisible" title="编辑消息" width="600px">
+      <el-form>
+        <el-form-item label="消息内容">
+          <el-input
+            v-model="editMessageContent"
+            type="textarea"
+            :rows="4"
+            placeholder="请输入消息内容"
+          />
+        </el-form-item>
+        <el-form-item label="图片">
+          <!-- 现有图片预览 -->
+          <div class="edit-images-container">
+            <div class="edit-preview-item" v-for="(image, index) in editMessageImages" :key="index">
+              <img :src="image" alt="图片" />
+              <div class="delete-preview" @click="removeEditImage(index)">×</div>
+            </div>
+            <!-- 添加图片按钮 -->
+            <el-upload
+              action="#"
+              :auto-upload="false"
+              :show-file-list="false"
+              :on-change="handleEditFileChange"
+              multiple
+              accept="image/*"
+            >
+              <div class="add-image-btn">
+                <el-icon :size="24"><Plus /></el-icon>
+                <div class="add-text">添加图片</div>
+              </div>
+            </el-upload>
+          </div>
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="editDialogVisible = false">取消</el-button>
+        <el-button type="primary" :loading="isEditingSaving" @click="saveEditMessage">保存</el-button>
+      </template>
+    </el-dialog>
+
     <!-- 图片查看器 -->
     <el-dialog v-model="imageViewerVisible" width="auto" destroy-on-close>
       <img :src="currentViewImage" style="max-width: 100%; max-height: 80vh;" />
@@ -190,7 +242,8 @@
 import { ref, onMounted, nextTick, onBeforeUnmount, watch } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import { ElMessage, ElMessageBox } from 'element-plus'
-import { getTicketDetail, replyTicket, closeTicket, updateTicketInfo } from '@/api/ticket'
+import { getTicketDetail, replyTicket, closeTicket, updateTicketInfo, updateTicketReplayInfo } from '@/api/ticket'
+import { Plus } from '@element-plus/icons-vue'
 import { getUserInfo } from '@/api/admin/user'
 import { uploadFile } from '@/api/admin/file'
 import { useUserStore } from '@/store/userStore'
@@ -223,6 +276,15 @@ const isDragOver = ref(false)
 const imageViewerVisible = ref(false)
 const currentViewImage = ref('')
 
+// 编辑消息
+const editDialogVisible = ref(false)
+const editMessageContent = ref('')
+const editMessageImages = ref([])
+const editMessageFiles = ref([])
+const editOriginalFileIds = ref([]) // 保存原始文件ID
+const editingMessage = ref(null)
+const isEditingSaving = ref(false)
+
 // 定时刷新
 const refreshTimer = ref(null)
 
@@ -317,6 +379,7 @@ const fetchTicketDetail = async (showLoading = true) => {
             id: msg.id,
             content: msg.content !== 'empty' ? msg.content : null,
             images: msg.flies ? msg.flies.map(file => file.url) : [],
+            fileIds: msg.flies ? msg.flies.map(file => file.id) : [], // 保存文件ID
             time: msg.created_at || msg.updated_at || new Date().toLocaleString(),
             isAdmin: isAdmin(msg.user?.userId),
             userId: msg.user?.userId,
@@ -593,6 +656,138 @@ const openImage = (img) => {
   imageViewerVisible.value = true
 }
 
+// 编辑消息
+const handleEditMessage = (message) => {
+  editingMessage.value = message
+  editMessageContent.value = message.content || ''
+  editMessageImages.value = message.images ? [...message.images] : []
+  editOriginalFileIds.value = message.fileIds ? [...message.fileIds] : []
+  editMessageFiles.value = []
+  editDialogVisible.value = true
+}
+
+// 处理编辑对话框中的文件选择
+const handleEditFileChange = (file) => {
+  if (!file) return
+  
+  // 验证文件类型
+  if (!file.raw.type.startsWith('image/')) {
+    ElMessage.warning('只支持图片格式')
+    return
+  }
+  
+  // 验证文件大小（限制10MB）
+  if (file.raw.size > 10 * 1024 * 1024) {
+    ElMessage.warning('图片大小不能超过10MB')
+    return
+  }
+  
+  // 保存原始文件对象用于上传
+  editMessageFiles.value.push(file.raw)
+  
+  // 读取文件用于预览
+  const reader = new FileReader()
+  reader.onload = (e) => editMessageImages.value.push(e.target.result)
+  reader.readAsDataURL(file.raw)
+}
+
+// 删除编辑对话框中的图片
+const removeEditImage = (index) => {
+  const originalImagesCount = editingMessage.value?.images?.length || 0
+  
+  // 如果删除的是原始图片，从原始文件ID列表中删除
+  if (index < originalImagesCount) {
+    editOriginalFileIds.value.splice(index, 1)
+  } else {
+    // 如果删除的是新添加的图片，从新文件列表中删除
+    const fileIndex = index - originalImagesCount
+    if (fileIndex >= 0 && fileIndex < editMessageFiles.value.length) {
+      editMessageFiles.value.splice(fileIndex, 1)
+    }
+  }
+  
+  // 从预览列表中删除
+  editMessageImages.value.splice(index, 1)
+}
+
+// 保存编辑的消息
+const saveEditMessage = async () => {
+  if (!editMessageContent.value.trim()) {
+    ElMessage.warning('消息内容不能为空')
+    return
+  }
+  
+  if (!editingMessage.value || !editingMessage.value.id) {
+    ElMessage.error('无法获取消息ID')
+    return
+  }
+  
+  try {
+    isEditingSaving.value = true
+    
+    // 如果有新添加的图片，先上传
+    let newFileIds = []
+    if (editMessageFiles.value.length > 0) {
+      try {
+        const formData = new FormData()
+        
+        editMessageFiles.value.forEach((file) => {
+          formData.append('files', file)
+          formData.append('file_names', file.name)
+        })
+        
+        formData.append('update_type', 'work_order')
+        formData.append('open_down', 'true')
+        
+        const uploadRes = await uploadFile(formData)
+        
+        if (uploadRes.data?.code === 200) {
+          const data = uploadRes.data.data
+          if (Array.isArray(data)) {
+            newFileIds = data.map(item => String(item.id))
+          } else if (data.id) {
+            newFileIds = [String(data.id)]
+          }
+        } else {
+          ElMessage.error(uploadRes.data?.message || '图片上传失败')
+          isEditingSaving.value = false
+          return
+        }
+      } catch (error) {
+        console.error('图片上传失败:', error)
+        ElMessage.error('图片上传失败，请重试')
+        isEditingSaving.value = false
+        return
+      }
+    }
+    
+    // 合并原始文件ID和新上传的文件ID
+    const allFileIds = [...editOriginalFileIds.value, ...newFileIds]
+    
+    const formData = new FormData()
+    formData.append('id', editingMessage.value.id)
+    formData.append('content', editMessageContent.value.trim())
+    formData.append('files', allFileIds.join(','))
+    
+    const res = await updateTicketReplayInfo(formData)
+    
+    if (res.code === 200) {
+      ElMessage.success('消息已更新')
+      editDialogVisible.value = false
+      
+      // 重新获取工单详情以确保数据同步
+      await fetchTicketDetail(false)
+    } else {
+      ElMessage.error(res.message || '更新失败')
+    }
+  } catch (error) {
+    console.error('更新消息出错:', error)
+    ElMessage.error('网络错误，请稍后重试')
+  } finally {
+    isEditingSaving.value = false
+  }
+}
+
 // 快捷回复
 const useQuickReply = (reply) => {
   messageInput.value = reply.content
@@ -899,6 +1094,29 @@ onBeforeUnmount(() => {
   border-radius: 8px;
   word-break: break-word;
   box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
+  position: relative;
+}
+
+.message-text .edit-btn {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  margin-left: 8px;
+  padding: 4px;
+  cursor: pointer;
+  opacity: 0.6;
+  transition: all 0.2s;
+  border-radius: 4px;
+  vertical-align: middle;
+}
+
+.message-text .edit-btn:hover {
+  opacity: 1;
+  background: rgba(0, 0, 0, 0.1);
+}
+
+.message-text:hover .edit-btn {
+  opacity: 1;
 }
 
 .message-admin .message-text {
@@ -906,6 +1124,16 @@ onBeforeUnmount(() => {
   color: #fff;
 }
 
+.message-admin .message-text .edit-btn {
+  color: #fff;
+  opacity: 0.7;
+}
+
+.message-admin .message-text .edit-btn:hover {
+  opacity: 1;
+  background: rgba(255, 255, 255, 0.2);
+}
+
 .message-images {
   display: flex;
   flex-wrap: wrap;
@@ -1028,4 +1256,67 @@ onBeforeUnmount(() => {
   background: #fff;
   border-top: 1px solid #ebeef5;
 }
+
+.edit-images-container {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 12px;
+}
+
+.edit-preview-item {
+  position: relative;
+  width: 100px;
+  height: 100px;
+  border-radius: 4px;
+  overflow: hidden;
+  border: 1px solid #dcdfe6;
+}
+
+.edit-preview-item img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+.edit-preview-item .delete-preview {
+  position: absolute;
+  top: -8px;
+  right: -8px;
+  width: 24px;
+  height: 24px;
+  background: #f56c6c;
+  color: #fff;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  cursor: pointer;
+  font-size: 18px;
+  line-height: 1;
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
+}
+
+.add-image-btn {
+  width: 100px;
+  height: 100px;
+  border: 2px dashed #dcdfe6;
+  border-radius: 4px;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  cursor: pointer;
+  transition: all 0.3s;
+  color: #909399;
+}
+
+.add-image-btn:hover {
+  border-color: #409eff;
+  color: #409eff;
+}
+
+.add-image-btn .add-text {
+  font-size: 12px;
+  margin-top: 4px;
+}
 </style>