wewe

src/views/chat/index.vue

@@ -5,10 +5,25 @@
                 @change="onSelectUser" />
         </div>
         <div class="right-panel">
-            <div :class="['chat-body', { 'chat-body--loading': isLoadingMessages }]" ref="chatBody"
-                @scroll="handleScroll">
+            <div :class="['chat-body', { 'chat-body--loading': isLoadingMessages, 'chat-body--dragging': isDragging }]" ref="chatBody"
+                @scroll="handleScroll"
+                @dragover.prevent="handleDragOver"
+                @dragenter.prevent="handleDragEnter"
+                @dragleave.prevent="handleDragLeave"
+                @drop.prevent="handleDrop">
                 <!-- 加载更多提示 -->
                 <div v-if="loadingMore" class="loading-more">加载中...</div>
+                <!-- 拖拽提示 -->
+                <div v-if="isDragging" class="drag-overlay">
+                    <div class="drag-hint">
+                        <el-icon style="font-size: 48px; color: var(--el-color-primary);">
+                            <svg class="icon" aria-hidden="true">
+                                <use xlink:href="#icon-tupian1"></use>
+                            </svg>
+                        </el-icon>
+                        <p>松开鼠标发送图片</p>
+                    </div>
+                </div>
 
                 <WxChatRecord :msgList="messages" :sendeInfo="sendeInfo" msgType="user" @retry="handleRetry" />
             </div>
@@ -92,6 +107,8 @@ const messageTimer = ref(null) // 定时器实例
 const isSending = ref(false) // 防止重复发送
 const lastSendTime = ref(0) // 最后发送时间，用于防抖
 const isUploading = ref(false) // 防止重复上传
+const isDragging = ref(false) // 拖拽状态
+const dragCounter = ref(0) // 拖拽计数器，用于处理嵌套元素
 // 小程序状态轮询定时器
 const appStatusTimer = ref(null)
 
@@ -556,16 +573,28 @@ const triggerImageInput = () => {
     imageInput.value && imageInput.value.click()
 }
 
-const handleImageChange = (e) => {
-    const file = e.target.files[0]
+// 提取图片上传逻辑为可复用函数
+const uploadImageFile = (file) => {
     if (!file) return
 
+    // 检查是否有选中用户
+    if (!activeUser.value.sender_id) {
+        ElMessage({ type: 'warning', message: '请先选择用户' })
+        return
+    }
+
     // 防止重复上传
     if (isUploading.value) {
         console.log('图片正在上传中，请稍候')
         return
     }
 
+    // 检查文件类型是否为图片
+    if (!file.type.startsWith('image/')) {
+        ElMessage({ type: 'error', message: '只能上传图片文件' })
+        return
+    }
+
     // 检查文件大小（限制为10MB）
     if (file.size > 10 * 1024 * 1024) {
         ElMessage({ type: 'error', message: '图片大小不能超过10MB' })
@@ -592,7 +621,6 @@ const handleImageChange = (e) => {
         _tempImageFile: file // 保存文件信息用于匹配
     }
     messages.value.push(msg)
-    e.target.value = ''
 
     // 滚动到底部
     setTimeout(() => scrollToBottom(), 100)
@@ -650,6 +678,78 @@ const handleImageChange = (e) => {
     })
 }
 
+const handleImageChange = (e) => {
+    const file = e.target.files[0]
+    if (file) {
+        uploadImageFile(file)
+    }
+    // 清空input值，以便下次选择同一文件时也能触发change事件
+    e.target.value = ''
+}
+
+// 拖拽事件处理
+const handleDragEnter = (e) => {
+    e.preventDefault()
+    e.stopPropagation()
+    dragCounter.value++
+    // 检查拖拽内容是否包含文件
+    if (e.dataTransfer.types.includes('Files')) {
+        isDragging.value = true
+    }
+}
+
+const handleDragOver = (e) => {
+    e.preventDefault()
+    e.stopPropagation()
+    // 设置拖拽效果为复制
+    if (e.dataTransfer) {
+        e.dataTransfer.dropEffect = 'copy'
+    }
+}
+
+const handleDragLeave = (e) => {
+    e.preventDefault()
+    e.stopPropagation()
+    dragCounter.value--
+    // 只有当计数器为0时才取消拖拽状态（处理嵌套元素）
+    if (dragCounter.value === 0) {
+        isDragging.value = false
+    }
+}
+
+const handleDrop = (e) => {
+    e.preventDefault()
+    e.stopPropagation()
+    dragCounter.value = 0
+    isDragging.value = false
+
+    // 检查是否有选中用户
+    if (!activeUser.value.sender_id) {
+        ElMessage({ type: 'warning', message: '请先选择用户' })
+        return
+    }
+
+    // 获取拖拽的文件
+    const files = Array.from(e.dataTransfer.files)
+    
+    if (files.length === 0) {
+        return
+    }
+    
+    // 过滤出图片文件
+    const imageFiles = files.filter(file => file.type.startsWith('image/'))
+    
+    if (imageFiles.length === 0) {
+        ElMessage({ type: 'warning', message: '请拖拽图片文件' })
+        return
+    }
+
+    // 只处理第一个图片文件
+    if (imageFiles.length > 0) {
+        uploadImageFile(imageFiles[0])
+    }
+}
+
 // 重发消息
 const handleRetry = (id) => {
     const msg = messages.value.find((m) => m._id === id)
@@ -1013,6 +1113,39 @@ watch(messages, async (newVal, oldVal) => {
     padding: 16px;
     overflow: auto;
     background: #f5f7fa;
+    position: relative;
+}
+
+.chat-body--dragging {
+    background: rgba(64, 158, 255, 0.05);
+}
+
+.drag-overlay {
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    background: rgba(64, 158, 255, 0.1);
+    border: 2px dashed var(--el-color-primary);
+    border-radius: 8px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    z-index: 1000;
+    pointer-events: none;
+}
+
+.drag-hint {
+    text-align: center;
+    color: var(--el-color-primary);
+    font-size: 16px;
+    font-weight: 500;
+}
+
+.drag-hint p {
+    margin-top: 12px;
+    margin-bottom: 0;
 }
 
 /* Hide scrollbar but keep scrolling functionality */