AI 对话web、wx优化

urbanLifelineWeb/packages/workcase_wechat/pages/index/index.scss

@@ -261,6 +261,15 @@
     gap: 8px;
 }
 
+// 消息内容包装器（包含气泡和文件列表）
+.message-content-wrapper {
+    display: flex;
+    flex-direction: column;
+    align-items: flex-end;
+    gap: 8px;
+    max-width: 260px;
+}
+
 .bot-message-content {
     display: flex;
     flex-direction: row;
@@ -426,18 +435,121 @@
 .chat-input-wrap {
     position: relative;
     display: flex;
-    flex-direction: row;
-    align-items: center;
+    flex-direction: column;
     background: #fff;
     border-radius: 24px;
     padding: 4px;
     box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
 }
 
+// 已上传文件预览区
+.uploaded-files {
+    display: flex;
+    flex-direction: row;
+    flex-wrap: wrap;
+    gap: 8px;
+    padding: 8px 8px 4px;
+    border-bottom: 1px solid #f0f0f0;
+}
+
+.uploaded-file-item {
+    position: relative;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    width: 80px;
+    background: #f5f5f5;
+    border-radius: 8px;
+    padding: 8px;
+    gap: 4px;
+}
+
+.file-preview-image {
+    width: 64px;
+    height: 64px;
+    border-radius: 6px;
+    overflow: hidden;
+}
+
+.preview-img {
+    width: 100%;
+    height: 100%;
+}
+
+.file-preview-doc {
+    width: 64px;
+    height: 64px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    background: #fff;
+    border-radius: 6px;
+}
+
+.doc-icon {
+    font-size: 32px;
+}
+
+.file-name {
+    font-size: 11px;
+    color: #666;
+    width: 100%;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    text-align: center;
+}
+
+.remove-file-btn {
+    position: absolute;
+    top: -4px;
+    right: -4px;
+    width: 20px;
+    height: 20px;
+    border-radius: 10px;
+    background: #ff4d4f;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.remove-icon {
+    font-size: 12px;
+    color: #fff;
+}
+
+// 输入行（上传按钮+输入框+发送按钮）
+.input-row {
+    display: flex;
+    flex-direction: row;
+    align-items: center;
+    padding: 4px;
+}
+
+.upload-btn {
+    width: 40px;
+    height: 40px;
+    border-radius: 20px;
+    background: #f5f5f5;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    flex-shrink: 0;
+    margin-right: 4px;
+}
+
+.upload-btn.uploading {
+    background: #e6f7ff;
+}
+
+.upload-icon {
+    font-size: 20px;
+}
+
 .chat-input {
     flex: 1;
     height: 40px;
-    padding: 0 16px;
+    padding: 0 12px;
     background: transparent;
     border: none;
     font-size: 14px;
@@ -458,6 +570,16 @@
     align-items: center;
     justify-content: center;
     flex-shrink: 0;
+    margin-left: 4px;
+}
+
+.send-btn.active {
+    background: linear-gradient(135deg, #5b9eff 0%, #4b87ff 100%);
+    border-color: #4b87ff;
+}
+
+.send-btn.active .send-icon {
+    color: #fff;
 }
 
 .send-icon {
@@ -465,6 +587,65 @@
     color: #4b87ff;
 }
 
+// 消息中的文件列表
+.message-files {
+    display: flex;
+    flex-direction: row;
+    flex-wrap: wrap;
+    gap: 8px;
+    width: 100%;
+}
+
+.message-file-item {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    width: 70px;
+}
+
+.file-thumb {
+    width: 70px;
+    height: 70px;
+    border-radius: 8px;
+    overflow: hidden;
+    background: #f5f5f5;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    gap: 4px;
+}
+
+.file-thumb.image {
+    border: 1px solid #e5e5e5;
+    background: #fff;
+}
+
+.file-img {
+    width: 100%;
+    height: 100%;
+}
+
+.file-thumb.doc {
+    background: #f5f5f5;
+    padding: 8px;
+}
+
+.file-icon {
+    font-size: 28px;
+}
+
+.file-name-small {
+    font-size: 10px;
+    color: #666;
+    text-align: center;
+    width: 100%;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    padding: 0 4px;
+}
+
 // 打字指示器动画
 .typing-indicator {
     display: flex;

urbanLifelineWeb/packages/workcase_wechat/pages/index/index.uvue

@@ -52,8 +52,23 @@
 					:class="item.type === 'user' ? 'user-message' : 'bot-message'">
 					<!-- 用户消息（右侧） -->
 					<view class="user-message-content" v-if="item.type === 'user'">
-						<view class="message-bubble user-bubble">
-							<text class="message-text">{{item.content}}</text>
+						<view class="message-content-wrapper">
+							<!-- 文字气泡 -->
+							<view class="message-bubble user-bubble" v-if="item.content">
+								<text class="message-text">{{item.content}}</text>
+							</view>
+							<!-- 用户消息的文件列表（在气泡外面） -->
+							<view v-if="item.files && item.files.length > 0" class="message-files">
+								<view v-for="fileId in item.files" :key="fileId" class="message-file-item" @tap="previewFile(fileId)">
+									<view v-if="isImageFileById(fileId)" class="file-thumb image">
+										<image :src="getFileDownloadUrl(fileId)" mode="aspectFill" class="file-img" />
+									</view>
+									<view v-else class="file-thumb doc">
+										<text class="file-icon">📄</text>
+										<text class="file-name-small">{{getFileName(fileId)}}</text>
+									</view>
+								</view>
+							</view>
 						</view>
 						<view class="avatar user-avatar">
 							<text class="avatar-text">我</text>
@@ -103,9 +118,31 @@
 
 			<!-- 输入区域 -->
 			<view class="chat-input-wrap">
-				<input class="chat-input" v-model="inputText" placeholder="输入问题 来问问我~" @confirm="sendMessage" />
-				<view class="send-btn" @tap="sendMessage">
-					<text class="send-icon">➤</text>
+				<!-- 已上传文件预览 -->
+				<view v-if="uploadedFiles.length > 0" class="uploaded-files">
+					<view v-for="(file, index) in uploadedFiles" :key="file.id || index" class="uploaded-file-item">
+						<view v-if="isImageFile(file)" class="file-preview-image">
+							<image :src="getFilePreviewUrl(file)" mode="aspectFill" class="preview-img" />
+						</view>
+						<view v-else class="file-preview-doc">
+							<text class="doc-icon">📄</text>
+						</view>
+						<text class="file-name">{{file.name || '文件'}}</text>
+						<view class="remove-file-btn" @tap="removeUploadedFile(index)">
+							<text class="remove-icon">✕</text>
+						</view>
+					</view>
+				</view>
+				<!-- 输入框 -->
+				<view class="input-row">
+					<view class="upload-btn" :class="{ uploading: isUploading }" @tap="showUploadOptions">
+						<text v-if="isUploading" class="upload-icon">⏳</text>
+						<text v-else class="upload-icon">📎</text>
+					</view>
+					<input class="chat-input" v-model="inputText" placeholder="输入问题 来问问我~" @confirm="sendMessage" />
+					<view class="send-btn" :class="{ active: inputText.trim() || uploadedFiles.length > 0 }" @tap="sendMessage">
+						<text class="send-icon">➤</text>
+					</view>
 				</view>
 			</view>
 		</view>
@@ -117,13 +154,15 @@
 	import { ref, nextTick, onMounted } from 'vue'
 	import { guestAPI, aiChatAPI, workcaseChatAPI } from '@/api'
 	import type { TbWorkcaseDTO } from '@/types'
-	import { AGENT_ID } from '@/config'
+	import type { DifyFileInfo } from '@/types/ai/aiChat'
+	import { AGENT_ID, FILE_DOWNLOAD_URL } from '@/config'
 	// 前端消息展示类型
 	interface ChatMessageItem {
 		type: 'user' | 'bot'
 		content: string
 		time: string
 		actions?: string[] | null
+		files?: string[] // 文件ID数组
 	}
 	const agentId = AGENT_ID
 	// 响应式数据
@@ -136,6 +175,12 @@
 	const headerPaddingTop = ref<number>(44) // header顶部padding，默认44px
 	const headerTotalHeight = ref<number>(76) // header总高度，默认76px
 
+	// 文件上传相关
+	const uploadedFiles = ref<DifyFileInfo[]>([])
+	const isUploading = ref<boolean>(false)
+	// 文件信息缓存 (fileId -> DifyFileInfo)
+	const fileInfoCache = ref<Map<string, DifyFileInfo>>(new Map())
+
 	// 用户信息
 	const userInfo = ref({
 		wechatId: '',
@@ -257,18 +302,38 @@
 	// 发送消息
 	async function sendMessage() {
 		const text = inputText.value.trim()
-		if (!text || isTyping.value) return
+		// 允许只有文件或只有文本
+		if ((!text && uploadedFiles.value.length === 0) || isTyping.value) return
 
-		// 添加用户消息
-		addMessage('user', text)
+		const query = text || '[文件]'
+		const currentFiles = [...uploadedFiles.value] // 保存当前文件列表副本
+
+		// 将文件信息缓存起来，用于立即渲染
+		currentFiles.forEach(f => {
+			if (f.sys_file_id) {
+				fileInfoCache.value.set(f.sys_file_id, f)
+			}
+		})
+
+		// 添加用户消息（包含文件）
+		const userMessage: ChatMessageItem = {
+			type: 'user',
+			content: text,
+			time: new Date().toLocaleTimeString('zh-CN', { hour: '2-digit', minute: '2-digit' }),
+			files: currentFiles.length > 0 ? currentFiles.map(item => item.sys_file_id || '') : undefined
+		}
+		messages.value.push(userMessage)
 		inputText.value = ''
 
-		// 调用AI聊天接口
-		await callAIChat(text)
+		// 清空已上传的文件
+		uploadedFiles.value = []
+
+		// 调用AI聊天接口（携带文件）
+		await callAIChat(query, currentFiles)
 	}
 
 	// 调用AI聊天接口
-	async function callAIChat(query : string) {
+	async function callAIChat(query : string, files : DifyFileInfo[] = []) {
 		isTyping.value = true
 
 		try {
@@ -288,14 +353,18 @@
 				}
 			}
 
-			// 准备流式对话
-			const prepareRes = await aiChatAPI.prepareChatMessageSession({
+			// 准备流式对话（包含文件）
+			const prepareData = {
 				chatId: chatId.value,
 				query: query,
 				agentId: agentId,
 				userType: userType.value,
-				userId: userInfo.value.userId
-			})
+				userId: userInfo.value.userId,
+				files: files.length > 0 ? files : undefined
+			}
+			console.log('准备流式对话参数:', JSON.stringify(prepareData))
+
+			const prepareRes = await aiChatAPI.prepareChatMessageSession(prepareData)
 			if (!prepareRes.success || !prepareRes.data) {
 				throw new Error(prepareRes.message || '准备对话失败')
 			}
@@ -594,10 +663,9 @@
 			count: 1,
 			sourceType: ['camera'],
 			success: (res) => {
-				// 处理图片上传逻辑
-				console.log('选择的图片:', res.tempFilePaths)
-				addMessage('user', '[图片]')
-				simulateAIResponse('收到您发送的图片')
+				if (res.tempFilePaths && res.tempFilePaths.length > 0) {
+					uploadSingleFile(res.tempFilePaths[0])
+				}
 			}
 		})
 	}
@@ -605,24 +673,177 @@
 	// 从相册选择
 	function chooseImageFromAlbum() {
 		uni.chooseImage({
-			count: 1,
+			count: 9,
 			sourceType: ['album'],
 			success: (res) => {
-				// 处理图片上传逻辑
-				console.log('选择的图片:', res.tempFilePaths)
-				addMessage('user', '[图片]')
-				simulateAIResponse('收到您发送的图片')
+				if (res.tempFilePaths && res.tempFilePaths.length > 0) {
+					res.tempFilePaths.forEach((filePath: string) => {
+						uploadSingleFile(filePath)
+					})
+				}
 			}
 		})
 	}
 
 	// 选择文件
 	function chooseFile() {
-		// 这里可以扩展文件选择功能
-		uni.showToast({
-			title: '文件选择功能开发中',
-			icon: 'none'
+		// #ifdef MP-WEIXIN
+		// 微信小程序使用 chooseMessageFile
+		uni.chooseMessageFile({
+			count: 5,
+			type: 'file',
+			extension: ['pdf', 'doc', 'docx', 'xls', 'xlsx', 'txt'],
+			success: (res: any) => {
+				console.log('选择文件成功:', res)
+				if (res.tempFiles && res.tempFiles.length > 0) {
+					res.tempFiles.forEach((file: any) => {
+						uploadSingleFile(file.path)
+					})
+				}
+			},
+			fail: (err: any) => {
+				console.error('选择文件失败:', err)
+				uni.showToast({
+					title: '选择文件失败',
+					icon: 'none'
+				})
+			}
 		})
+		// #endif
+
+		// #ifndef MP-WEIXIN
+		// 非微信小程序环境
+		// @ts-ignore
+		if (typeof uni.chooseFile === 'function') {
+			// @ts-ignore
+			uni.chooseFile({
+				count: 5,
+				extension: ['.pdf', '.doc', '.docx', '.xls', '.xlsx', '.txt'],
+				success: (res: any) => {
+					console.log('选择文件成功:', res)
+					if (res.tempFilePaths && res.tempFilePaths.length > 0) {
+						res.tempFilePaths.forEach((filePath: string) => {
+							uploadSingleFile(filePath)
+						})
+					}
+				},
+				fail: (err: any) => {
+					console.error('选择文件失败:', err)
+					uni.showToast({
+						title: '选择文件失败',
+						icon: 'none'
+					})
+				}
+			})
+		} else {
+			uni.showToast({
+				title: '当前环境不支持文件选择',
+				icon: 'none'
+			})
+		}
+		// #endif
+	}
+
+	// 上传单个文件
+	async function uploadSingleFile(filePath: string) {
+		console.log('开始上传文件:', filePath)
+
+		if (!agentId) {
+			uni.showToast({ title: '智能体未配置', icon: 'none' })
+			return
+		}
+
+		isUploading.value = true
+		uni.showLoading({ title: '上传中...' })
+
+		try {
+			const result = await aiChatAPI.uploadFileForChat(filePath, agentId)
+			console.log('上传结果:', result)
+
+			if (result.success && result.data) {
+				uploadedFiles.value.push(result.data)
+				uni.showToast({ title: '上传成功', icon: 'success', duration: 1000 })
+			} else {
+				uni.showToast({ title: result.message || '上传失败', icon: 'none' })
+			}
+		} catch (error: any) {
+			console.error('文件上传失败:', error)
+			uni.showToast({ title: '上传失败: ' + (error.message || '未知错误'), icon: 'none' })
+		} finally {
+			isUploading.value = false
+			uni.hideLoading()
+		}
+	}
+
+	// 移除已上传的文件
+	function removeUploadedFile(index: number) {
+		uploadedFiles.value.splice(index, 1)
+	}
+
+	// 判断是否为图片文件
+	function isImageFile(file: DifyFileInfo): boolean {
+		return file.type === 'image' || file.mime_type?.startsWith('image/') || false
+	}
+
+	// 获取文件预览URL
+	function getFilePreviewUrl(file: DifyFileInfo): string {
+		return file.preview_url || file.source_url || file.url || ''
+	}
+
+	// 获取文件下载URL（通过文件ID）
+	function getFileDownloadUrl(fileId: string): string {
+		return `${FILE_DOWNLOAD_URL}${fileId}`
+	}
+
+	// 判断文件ID对应的文件是否为图片
+	function isImageFileById(fileId: string): boolean {
+		// 从缓存中查找文件信息
+		const file = fileInfoCache.value.get(fileId)
+		if (file) {
+			return isImageFile(file)
+		}
+		// 如果缓存中没有，尝试从uploadedFiles中查找
+		const uploadedFile = uploadedFiles.value.find(f => f.sys_file_id === fileId)
+		if (uploadedFile) {
+			return isImageFile(uploadedFile)
+		}
+		return false
+	}
+
+	// 获取文件名（从缓存）
+	function getFileName(fileId: string): string {
+		const file = fileInfoCache.value.get(fileId)
+		return file?.name || fileId.substring(0, 8) + '...'
+	}
+
+	// 文件预览
+	function previewFile(fileId: string) {
+		const url = getFileDownloadUrl(fileId)
+		// 如果是图片，使用图片预览
+		if (isImageFileById(fileId)) {
+			uni.previewImage({
+				urls: [url],
+				current: url
+			})
+		} else {
+			// 其他文件，提示下载或打开
+			uni.showModal({
+				title: '提示',
+				content: '是否下载该文件？',
+				success: (res) => {
+					if (res.confirm) {
+						uni.downloadFile({
+							url: url,
+							success: (downloadRes) => {
+								if (downloadRes.statusCode === 200) {
+									uni.showToast({ title: '下载成功', icon: 'success' })
+								}
+							}
+						})
+					}
+				}
+			})
+		}
 	}
 </script>