heshanApp/pages/ai/chat.vue

<template>
	<view>
		<image class="page-bg" src="https://cos.his.cdwjyyh.com/fs/20250506/730750385fab4dd5a8a268b1550c81d6.png"
			mode="widthFix" style="width: 100%;"></image>
		<view class="nav-bar" :style="{height: `calc(88rpx + ${statusBarHeight}px)`}">
			<view class="statusBar" :style="{height: statusBarHeight + 'px'}"></view>
			<image class="nav-bg" src="https://cos.his.cdwjyyh.com/fs/20250506/730750385fab4dd5a8a268b1550c81d6.png"
				mode="widthFix"></image>
			<view class="nav-bar-box">
				<view class="uni-page-head-hd es-mr-24" @click="$navBack()">
					<uni-icons type="left" size="26" color="#000000"></uni-icons>
				</view>
				<view class="nav-bar-left">
					<image
						:src="roleInfo.avatar||'https://fs-1319721001.cos.ap-chongqing.myqcloud.com/fs/20240229/be32b8d2ae9f497297d10327656bb43c.png'"
						mode="aspectFill"></image>
					<view class="nav-bar-head">
						<view class="nav-bar-name textOne">{{roleName}}</view>
						<view class="textOne" v-show="roleInfo.title">{{roleInfo.title}}</view>
					</view>
					<!-- <uni-icons type="more-filled" size="26" style="flex-shrink: 0;" color="#000000"></uni-icons> -->
				</view>
			</view>
		</view>
		<scroll-view class="msg-scroll" :scroll-top="scrollTop" scroll-y="true" :scroll-with-animation="true">
			<view class="container-body" :style="{paddingTop: `calc(100rpx + ${statusBarHeight}px)`}">
				<view class="banner-box" v-if="roleInfo.imageUrl||roleInfo.textDescription">
					<image :src="roleInfo.imageUrl" mode="aspectFill"></image>
					<view class="banner-txt" v-show="roleInfo.textDescription">{{roleInfo.textDescription}}</view>
				</view>
				<view class="ques-box" v-if="quesList&&quesList.length>0">
					<view v-for="(ques,i) in quesList" :key="i" @click="handleQues(ques)">{{ques}}</view>
				</view>
				<view class="TUI-message-list es-mt-24" @touchstart="handleTouchStart">
					<view v-for="(item, index) in historyList" :key="item.id" :id="'view' + item.id">
						<view :class="item.type == 1 ? 'msg-item my-msg':'msg-item ai-msg'">
							<image v-if="item.type == 1" class="avatar"
								:src="userInfo.avatar||'https://fs-1319721001.cos.ap-chongqing.myqcloud.com/fs/20240229/1d7eb0607a074892964dd32e8735e540.jpg'"
								mode="aspectFill"></image>
							<image v-if="item.type != 1" class="avatar"
								:src="roleInfo.avatar||'https://fs-1319721001.cos.ap-chongqing.myqcloud.com/fs/20240229/be32b8d2ae9f497297d10327656bb43c.png'"
								mode="aspectFill"></image>
							<view>
								<view class="msg-text">
									<uaMarkdown :source="item.content" :showLine="false" style="font-size: 32rpx" />
								</view>
								<view class="x-f" style="align-items: center;">
									<view v-if="item.type != 1&&item.content" class="x-c copybtn" @click="copyData(item.content)"><u-icon
											name="file-text" color="#FF5030" size="20"
											style="margin-right: 5rpx;"></u-icon>复制</view>
								</view>
							</view>
						</view>
					</view>
					<view v-for="(item, index) in msgs" :key="item.id" :id="'view' + item.id">
						<view :class="item.type == 1 ? 'msg-item my-msg':'msg-item ai-msg'">
							<image v-if="item.type == 1" class="avatar"
								:src="userInfo.avatar||'https://fs-1319721001.cos.ap-chongqing.myqcloud.com/fs/20240229/1d7eb0607a074892964dd32e8735e540.jpg'"
								mode="aspectFill"></image>
							<image v-if="item.type != 1" class="avatar"
								:src="roleInfo.avatar||'https://fs-1319721001.cos.ap-chongqing.myqcloud.com/fs/20240229/be32b8d2ae9f497297d10327656bb43c.png'"
								mode="aspectFill"></image>
							<view>
								<view class="msg-text">
									<uaMarkdown :source="item.content" :showLine="false" style="font-size: 32rpx" />
								</view>
								<view class="x-f" style="align-items: center;">
									<view v-if="item.type != 1&&item.content" class="x-c copybtn" @click="copyData(item.content)"><u-icon
											name="file-text" color="#FF5030" size="20"
											style="margin-right: 5rpx;"></u-icon>复制</view>
									<view style="margin-top: 6px;margin-left: 10rpx;" v-if="item.retry==1" @click="handleInput()">
										<u-icon name="reload" color="#999" size="20" labelPos="right" labelSize="24rpx" label="重试"></u-icon>
									</view>
								</view>
							</view>
						</view>
					</view>
				</view>
			</view>
		</scroll-view>
		<view class="chatinput">
			<u--input placeholder="请输入想要咨询的问题" border="none" v-model.trim="inputText" clearable 
				@confirm="handleInputClick"></u--input>
			<!-- <image src="/static/images/update_pic_icon.png" mode="aspectFill" class="icon" @click="choosePic">
			</image> -->
			<image src="/static/images/send_message_icon.png" mode="aspectFill" class="icon2"
				:style="{opacity:isFirst==0&&inputText?1:0.7}" @click="handleInputClick"></image>
		</view>
	</view>
</template>

<script>
	import uaMarkdown from "@/components/ua2-markdown/ua-markdown.vue"
	import {
		getSessionDetailInfo,
		replyAppUserContent,
		getAiJsonMsgCount
	} from "@/api/ai.js"

	export default {
		components: {
			uaMarkdown
		},
		data() {
			return {
				sessionId: '',
				statusBarHeight: uni.getSystemInfoSync().statusBarHeight,
				roleName: '',
				chatList: [],
				quesList: [],
				roleInfo: {},
				inputText: '',
				triggered: false,
				isCompleted: false,
				scrollTop: 0,
				scrollInto: '', // 用于 scroll-into-view
				oldMessageTime: 0,
				roleId: null,
				msgTimes: null, // 5 分钟无消息定时器
				isSocketOpen: false,
				socket: null,
				isSend: true,
				userInfo: {},
				doctorId: '',
				msgEnd: false,
				msgs: [],
				source: '',
				maxReconnect: 1,
				reconnectCount: 2,
				reconnecting: false,
				needResend: false, // 是否有待重发消息
				resendText: '', // 待重发内容
				idleClose: false, //是否5分钟自动断开
				isFirst: 0,
				idleTimer: null,
				reportPlaceholderId:'',
				replyId:'',
				startTime: '',
				endTime: '',
				deviceId: '',
				isRefresh: '',
				historyList:[],
				isInitReportAi: 0
			}
		},
		onLoad(options) {
			this.source = options.source || ''
			// if (this.source !== 'healthWeekReport') uni.removeStorageSync('aiSuggestion')

			this.roleName = options.roleName || ''
			this.roleId = options.roleId || ''
			this.userInfo = uni.getStorageSync('userInfo') ? JSON.parse(uni.getStorageSync('userInfo')) : {}
			this.getSessionDetailInfo(options.sessionId)
			this.sessionId = options.sessionId || null
			this.isFirst = this.source == 'healthWeekReport'?1:0
			if(this.source == 'healthWeekReport') {
				const id = 'report_placeholder_' + Date.now()
				this.reportPlaceholderId = id
				this.startTime = options.startTime
				this.endTime = options.endTime
				this.deviceId = options.deviceId
				this.isRefresh = options.isRefresh
				// this.sessionId = null
				this.getAiJsonMsgCount(id)
			} else {
				this.initSocket(1)
			}
			uni.onKeyboardHeightChange(this.boardHeightChange);
		},
		onReady() {
			// this.scrollToBottom()
		},
		onUnload() {
			uni.$emit('getSessionId')
			uni.offKeyboardHeightChange(this.boardHeightChange);
			if (this.socket) {
				this.maxReconnect = 0
				this.socket.close();
				this.socket = null
			}
			clearTimeout(this.idleTimer) // 原 clearInterval(this.msgTimes)           // 会话结束清占位
		},
		onBackPress() {
			uni.$emit('getSessionId')
			if (this.socket) {
				this.maxReconnect = 0
				this.socket.close();
				this.socket = null
			}
			clearTimeout(this.idleTimer) 
		},
		methods: {
			boardHeightChange:function(res){
				this.scrollToBottom()
			},
			/* ---------- 页面交互 ---------- */
			back() {
				uni.navigateBack()
			},
			getAiJsonMsgCount(id) {
				const param = {
					startTime: this.startTime,
					endTime: this.endTime,
					message: uni.getStorageSync('aiSuggestion')||'',
					userId: this.userInfo.userId,
					roleId: this.roleId,
				}
				getAiJsonMsgCount(param).then(res=>{
					if(res.code==200&&res.count<1) {
						this.isInitReportAi = 1
						this.addMsg(2, '报告解读中...', 1, 0,id)
						this.initSocket(1)
					}else {
						this.isFirst = 0
						this.isInitReportAi = 0
						this.reportPlaceholderId = ''
						this.initSocket()
					}
				})
			},
			handleQues(ques) {
				this.inputText = ques
				this.handleInputClick()
			},
			handleInputClick(){
				if(this.isFirst==1){
					uni.showToast({
						title: '报告解读中，请稍后',
						icon: 'none'
					});
					return
				}
				this.handleInput()
			},
			handleInput() {
				// 1. 输入为空直接 return
				if (!this.inputText.trim()&&this.isFirst !=1) return;
				// 2. 连接断了 -> 走原有重连逻辑
				if (!this.isSocketOpen) {
					this.isSend = true
					this.idleClose = false
					this.trySend();
					return;
				}
				// 3. 连接正常，但对方还在回复
				if (!this.isSend) {
					uni.showToast({
						title: '对方正在回复，请稍等',
						icon: 'none'
					});
					return; // 直接阻断，不继续往下走
				}

				// 4. 真正发消息
				this.trySend();
			},

			/* ---------- 发送控制 ---------- */
			trySend() {
				const text = this.isFirst ==1&&this.source=='healthWeekReport' ? uni.getStorageSync('aiSuggestion') :this.inputText.trim() || this.resendText
				if (!text) return

				// 1. 链路不通 → 立即重连
				if (!this.isSocketOpen) {
					if (this.reconnecting) {
						uni.showToast({
							title: '正在重连，请稍候',
							icon: 'none'
						})
						return
					}
					this.reconnecting = true
					// uni.showToast({
					// 	title: '网络断开，正在重连…',
					// 	icon: 'none'
					// })
					if (this.socket) {
						this.socket.close();
						this.socket = null
					}
					this.initSocket()
					return
				}

				// 2. 有待重发内容优先发
				if (this.needResend) {
					this.resendText = ''
					this.needResend = false
					this.sendMsg(text)
				} else {
					this.sendMsg(text)
				}
			},

			/* ---------- WebSocket ---------- */
			initSocket(type) {
				let that = this
				if (this.socket) return // 并发短路
				const userId = this.userInfo.userId
				let url = this.source == 'healthWeekReport' ? '/app/replyAppUserWebSocket/' : '/app/interestAiWebSocket/'
				this.socket = uni.connectSocket({
					url: getApp().globalData.aiWSUrl + url + userId,
					multiple: true,
					success: res => {
						console.log('WebSocket连接已打开1！', Date.now());
						that.isSocketOpen = true
					},
					error: res => {
						console.log(res)
					},
				})

				this.socket.onOpen(() => {
					console.log('WebSocket 已打开2', Date.now())
					this.isSocketOpen = true
					this.reconnectCount = 0
					this.reconnecting = false
					// console.log("this.isFirst!=1&&this.replyId=",this.isFirst,this.replyId)
					if(this.isFirst ==1&&this.source=='healthWeekReport'&&this.isInitReportAi==1) {
						// console.log('healthWeekReport')
						this.handleInput()
					}
					if(this.isFirst!=1&&this.replyId){
						// console.log("网络异常,请重新发送")
						this.isSend = true
						this.addMsg(2, '网络异常,请重新发送', 2)
					}
				})

				this.socket.onMessage(res => {
					if (!res.data || res.data.trim() === '') return
					if(res.data=='[无视]') {
						return
					}
					// console.log('WebSocket onMessage2=========', res)
					this.isSend = true
					let data = res.data
					this.addMsg(2, data, 2)
				})

				this.socket.onClose(() => {
					this.isSocketOpen = false
					console.log('WebSocket 已关闭', Date.now())
					this.socket = null
					this.reconnecting = false
					this.isSend = true
					if (this.idleTimer) clearTimeout(this.idleTimer)
					if(this.isFirst ==1&&this.source=='healthWeekReport') {
						this.addMsg(2, '报告解读失败', 2,1,this.reportPlaceholderId)
						return
					}
					if (this.idleClose) return;
					if(this.maxReconnect == 0) return;
					this.reconnectCount++
					console.log("this.reconnectCount",this.reconnectCount)
					if (this.reconnectCount <= this.maxReconnect) {
						setTimeout(() => this.initSocket(), 5000)
					} else {
						// if(this.isFirst ==1&&this.source=='healthWeekReport') {
						// 	this.addMsg(2, '报告解读失败', 2,1,this.reportPlaceholderId)
						// }
						uni.showToast({
							title: '网络异常，请手动重试',
							icon: 'none',
							duration: 3000
						})
					}
				})

				this.socket.onError(() => {
					console.log('WebSocket 错误', Date.now())
					this.isSocketOpen = false
					this.socket = null
					this.reconnecting = false
					this.isSend = true
					// this.clearHeart()
					if (this.msgTimes) {
						clearInterval(this.msgTimes);
						this.msgTimes = null
					}
				})
			},
			/* ---------- 发送/重试 ---------- */
			sendMsg(text) {
				if (!this.isSocketOpen || !this.isSend) return
				const data = {
					userId: this.userInfo.userId,
					roleId: this.roleId,
					nickName: this.userInfo.nickName,
					avatar: this.userInfo.avatar,
					roleName: this.roleName,
					message: text,
					sessionId: this.sessionId,
					// isFirst: this.isFirst,//去掉
					startTime: this.startTime,
					endTime: this.endTime,
					deviceId: this.deviceId,
					isRefresh: this.isRefresh,
				}
				// console.log('data报告解读中', JSON.stringify(data))
				this.socket.send({
					data: JSON.stringify(data),
					success: () => {
						if(this.isFirst !=1) {
							this.addMsg(1, text, 1)
							const id = 'replyId_' + Date.now()
							this.replyId = id
							this.addMsg(2, '正在思考中…', 1, 0)
						}
						this.isSend = false
						this.inputText = '' // 只有成功才清空
					},
					fail: () => {
						// 进入待重发模式
						this.needResend = true
						this.resendText = text
						this.isSend = true
						if(this.isFirst ==1&&this.source=='healthWeekReport') {
							this.addMsg(2, '报告解读失败', 2,1,this.reportPlaceholderId)
							uni.showToast({
								title: '发送失，请重试',
								icon: 'none'
							})
							return
						}
						uni.showToast({
							title: '发送失，请重新发送',
							icon: 'none'
						})
					}
				})
			},
			addHistoryList(type, content, inputType, retry = 0,pid) {
				// console.log("=addMsg===inputType==",content,inputType)
				const id = pid||Date.now() + '_' + Math.random().toString(36).slice(2, 8)
				const obj = {
					type,
					content,
					retry,
					id
				}
				this.historyList.push(obj)
				this.scrollToBottom()
			},
			addMsg(type, content, inputType, retry = 0,pid) {
				// console.log("=addMsg===inputType==",content,inputType)
				const id = pid||Date.now() + '_' + Math.random().toString(36).slice(2, 8)
				const obj = {
					type,
					content,
					retry,
					id
				}

				if (inputType == 2) {
					if(this.reportPlaceholderId) {
						// console.log("===pid",pid)
						this.isFirst = pid?1:0
						const idx = this.msgs.findIndex(m => m.id == this.reportPlaceholderId)
						if (idx > -1) {
						  this.$set(this.msgs, idx, {
							...this.msgs[idx],
							retry:retry,
							content:content
						  })
						}
						this.reportPlaceholderId = pid?this.reportPlaceholderId:''
					} else {
						// console.log("=33333==",obj,this.msgs)
						if (this.msgs.length) this.msgs.pop();
						this.msgs.push(obj);
						this.replyId = ''
					}
				} else if (inputType == 1) {
					this.msgs.push(obj)
				}
				this.scrollToBottom()

				// 重置 5 分钟空闲计时
				if (this.idleTimer) clearTimeout(this.idleTimer)
				this.idleTimer = setTimeout(() => {
					this.idleClose = true
					if (this.socket) this.socket.close();
				}, 5 * 60 * 1000)
			},

			/* ---------- 初始数据 ---------- */
			getSessionDetailInfo(sessionId) {
				getSessionDetailInfo(sessionId, this.roleId).then(res => {
					if (res.code == 200) {
						const chatList = res.chatList || []
						this.roleInfo = res.roleInfo || {}
						this.roleName = this.roleInfo.roleName || ''
						this.quesList = this.roleInfo.wordList ? this.roleInfo.wordList.split('||') : []
						// if (this.source !== 'healthWeekReport') {
							const list = []
							if (this.source !== 'healthWeekReport'&&this.roleInfo.welcomeMessage) {
								list.push({
									sendType: 2,
									content: this.roleInfo.welcomeMessage
								})
							}
							list.push(...chatList)
							list.forEach(v => this.addHistoryList(v.sendType, v.content, 1))
						// }
					} else {
						uni.showToast({
							title: res.msg,
							icon: 'none'
						})
						this.scrollToBottom()
					}
				}).catch(() => {
					this.scrollToBottom()
				})
			},
			/* ---------- 工具 ---------- */
			clearAllTimer() {
				clearTimeout(this.idleTimer)
				this.idleTimer = null
			},
			handleTouchStart() {
				// uni.hideKeyboard()
				// this.$nextTick(() => this.scrollToBottom())
			},
			
			/* ---------- 滚动 ---------- */
			scrollToBottom() {
				setTimeout(() => {
					uni.createSelectorQuery()
						.in(this)
						.select('.msg-scroll') // scroll-view 本身
						.boundingClientRect(scrollRect => {
							uni.createSelectorQuery()
								.in(this)
								.select('.container-body') // 内容区
								.boundingClientRect(bodyRect => {
									if (scrollRect && bodyRect) {
										// 内容高 - 滚动容器高 = 需要滚动的距离
										const max = bodyRect.height - scrollRect.height;
										this.scrollTop = max < 0 ? 0 : max;
									}
								})
								.exec();
						})
						.exec();
				}, 500);
			},
			
			/* ---------- 剪切板 ---------- */
			copyData(data) {
				uni.setClipboardData({
					data,
					success: () => uni.showToast({
						title: '复制成功',
						icon: 'none'
					}),
					fail: () => uni.showToast({
						title: '复制失败',
						icon: 'none'
					})
				})
			},
			
		}
	}
</script>

<style scoped lang="scss">
	@mixin u-flex($flexD, $alignI, $justifyC) {
		display: flex;
		flex-direction: $flexD;
		align-items: $alignI;
		justify-content: $justifyC;
	}

	::v-deep .msg-text {
		p {
			white-space: pre-line;
		}
	}

	.copybtn {
		margin-top: 12rpx;
		font-family: PingFang SC, PingFang SC;
		font-weight: 500;
		font-size: 28rpx;
		color: #FF5030;
		background-color: #ffe2d1;
		padding: 4rpx 10rpx;
		border-radius: 10rpx;
		display: inline-flex;
	}

	.nav-bar {
		position: fixed;
		z-index: 9999;
		top: 0;
		left: 0;
		width: 100%;
		overflow: hidden;

		.nav-bg {
			width: 100%;
			height: 100%;
			position: absolute;
			left: 0;
			top: 0;
			z-index: 1;
			background-color: #fff;
		}

		&-box {
			position: relative;
			padding: 0 24rpx;
			@include u-flex(row, center, flex-start);
			height: 88rpx;
			box-sizing: border-box;
			z-index: 3;
		}

		&-left {
			width: 100%;
			@include u-flex(row, center, flex-start);
			overflow: hidden;

			image {
				flex-shrink: 0;
				width: 64rpx;
				height: 64rpx;
				border-radius: 12rpx 12rpx 12rpx 12rpx;
			}
		}

		&-name {
			font-family: PingFang SC, PingFang SC;
			font-weight: 600;
			font-size: 28rpx;
			color: #222222;
		}

		&-head {
			flex: 1;
			overflow: hidden;
			margin-left: 22rpx;
			margin-right: 22rpx;
			font-family: PingFang SC, PingFang SC;
			font-weight: 400;
			font-size: 23rpx;
			color: #999999;
		}
	}

	.page-bg {
		position: absolute;
		top: 0;
		left: 0;
	}

	.container-body {
		position: relative;
		padding: 32rpx 30rpx;
		z-index: 2;
		@include u-flex(column, flex-star, center);

		.banner-box {
			width: 100%;
			min-width: 686rpx;
			overflow: hidden;
			background: rgba(255, 255, 255, 0.9);
			border-radius: 24rpx 24rpx 24rpx 24rpx;
			border: 4rpx solid #FFFFFF;
			box-sizing: border-box;

			image {
				width: 100%;
				min-width: 690rpx;
				height: 264rpx;
				background: #f7f7f7;
			}
		}

		.banner-txt {
			padding: 32rpx;
			font-family: PingFang SC, PingFang SC;
			font-weight: 400;
			font-size: 32rpx;
			color: #333333;
			word-break: break-all;
		}

		.ques-box {
			@include u-flex(row, flex-star, flex-star);
			flex-wrap: wrap;
			margin: 22rpx -8rpx -10rpx;

			view {
				padding: 12rpx 36rpx;
				background: #FFFFFF;
				border-radius: 16rpx 16rpx 16rpx 16rpx;
				border: 1rpx solid #ECECEC;
				font-family: PingFang SC, PingFang SC;
				font-weight: 500;
				font-size: 28rpx;
				color: #333333;
				margin: 10rpx 8rpx;
			}
		}
	}

	.chatinput {
		position: fixed;
		left: 32rpx;
		right: 32rpx;
		z-index: 999;
		bottom: calc(var(--window-bottom) + 24rpx);
		height: 96rpx;
		background-color: green;
		background: #FFFFFF;
		box-shadow: 0rpx 8rpx 21rpx 0rpx rgba(0, 0, 0, 0.1);
		border-radius: 24rpx 24rpx 24rpx 24rpx;
		@include u-flex(row, center, center);
		padding: 0 24rpx;
		box-sizing: border-box;

		.icon {
			height: 48rpx;
			width: 48rpx;
			margin-left: 32rpx;
		}

		.icon2 {
			height: 56rpx;
			width: 56rpx;
			margin-left: 32rpx;
		}
	}

	.msg-scroll {
		height: calc(100vh - var(--window-bottom) - 120rpx);
	}

	.TUI-message-list {
		width: 100%;
		box-sizing: border-box;

		.time-container {
			font-family: PingFang SC, PingFang SC;
			font-weight: 400;
			font-size: 24rpx;
			color: #999999;
			padding: 36rpx 0;
			margin: 10px;
			text-align: center;
		}

		.avatar {
			flex-shrink: 0;
			width: 88rpx;
			height: 88rpx;
			background: #FFFFFF;
			border-radius: 12rpx 12rpx 12rpx 12rpx;
		}

		.msg-item {
			margin-bottom: 24rpx;
		}

		.ai-msg {
			@include u-flex(row, flex-start, flex-start);

			.avatar {
				margin-right: 24rpx;
			}

			.msg-text {
				border-radius: 0rpx 24rpx 24rpx 24rpx;
			}
		}

		.my-msg {
			@include u-flex(row-reverse, flex-start, flex-start);

			.avatar {
				margin-left: 24rpx;
			}

			.msg-text {
				border-radius: 24rpx 0 24rpx 24rpx;
				background: #FEC75C;
			}
		}

		.msg-text {
			padding: 24rpx 24rpx 0 24rpx;
			background: #FFFFFF;
			overflow: hidden;
		}
	}
</style>