siyu_app/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 class="loading-text" v-if="isCompleted">没有更多</view> -->
					<view v-for="(item, index) in msgs" :key="index" :id="'view' + index">
						<!-- <view class="time-container" v-if="item.showTime">{{ caculateTimeago(item.time * 1000) }}</view> -->
						<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 class="msg-text"><text>{{item.content}}</text></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="handleInput"></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:inputText?1:0.7}"
				@click="handleInput"></image>
		</view>
	</view>
</template>

<script>
	import { getSessionDetailInfo } from "@/api/ai.js"
	export default {
		data() {
			return {
				sessionId: '',
				statusBarHeight: uni.getSystemInfoSync().statusBarHeight,
				roleName: '',
				chatList: [],
				quesList:[],
				roleInfo: {},
				inputText: '',
				triggered: false,
				isCompleted: false,
				scrollTop: 0,
				oldMessageTime: 0,
				inputText:"",
				roleId:null,
				msgTimes:null,
				isSocketOpen:false,
				socket:null,
				isSend:true,
				userInfo: {},
				doctorId: '',
				sessionId: null,
				msgEnd: false,
				msgs: []
			}
		},
		onLoad(options) {
			this.roleName = options.roleName || ''
			this.roleId = options.roleId || ''
			this.userInfo = uni.getStorageSync("userInfo") ? JSON.parse(uni.getStorageSync("userInfo")) : {}
			this.sessionId = options.sessionId || null
			this.getSessionDetailInfo()
			this.initSocket();
		},
		// 监听数据初次渲染，展示最新一条消息
		// TODO app 中获取不到DOM 元素
		onReady() {
			this.handleScrollBottom();
		},
		mounted() {
			// this.handleShowTime();
		},
		methods: {
			back() {
				uni.navigateBack()
			},
			getSessionDetailInfo() {
				let that = this
				getSessionDetailInfo(this.sessionId,this.roleId).then(res=>{
					if(res.code == 200) {
						let chatList = res.chatList
						this.roleInfo = res.roleInfo;
						this.quesList = res.roleInfo&&res.roleInfo.wordList ? res.roleInfo.wordList.split('||') : [];
						let list = []
						if(res.roleInfo.welcomeMessage) {
							list = [{
								sendType: 2,
								content: res.roleInfo.welcomeMessage
							}]
						}
						if(chatList&&chatList.length > 0) {
							list = list.concat(chatList)
						}
						list.forEach(function(value, index, array) {
							that.addMsg(value.sendType, value.content, 1);
						});
					}
				})
			},
			choosePic() {

			},
			handleQues(ques) {
				this.inputText = ques
				this.handleInput()
			},
			handleInput() {
				if(this.msgEnd || !this.isSocketOpen) {
					// 重新发起会话
					this.initSocket()
				} else {
					this.sendMsg();
				}
			},
			handleScrollBottom() {
				setTimeout(() => {
					uni.createSelectorQuery()
						.select('.container-body')
						.boundingClientRect((res) => {
							if(res) {
								const scrollH = res.height;
								this.scrollTop = res.height;
							}
						}).exec();
				},500);
			},
			// 滑动触发时，失焦收起键盘
			handleTouchStart() {
				uni.hideKeyboard();
			},
			handleShowTime() {
				if (this.msgs&&this.msgs.length>0) {
					this.msgs.forEach((item) => {
						if (item.time - this.oldMessageTime > 5 * 60) {
							this.oldMessageTime = item.time;
							item.showTime = true;
						} else {
							item.showTime = false;
						}
					});
					console.log(this.msgs)
				}
			},
			caculateTimeago(time) {
				return time
			},
			initSocket() {
				//创建一个socket连接
				var userId = this.userInfo.userId;
				var that = this;
				if (this.socket) {
					this.socket.close()
					this.socket = null;
				}
				this.socket = uni.connectSocket({
					url: getApp().globalData.aiWSUrl + "/app/interestAiWebSocket/" + userId,
					multiple: true,
					success: res => {
						console.log('WebSocket连接已打开1！');
						that.isSocketOpen = true
					},
					error: res => {
						console.log(res)
					},
				})
				this.socket.onMessage((res) => {
					console.log("收到消息",res)
					that.isSend = true;
					that.addMsg(2, res.data, 2);
				})
				//监听socket打开
				this.socket.onOpen(() => {
					console.log('WebSocket连接已打开2！');
					that.isSocketOpen = true
					if(that.msgEnd) {
						// 重新发起会话
						that.isSend = true;
						that.sendMsg();
					}
				})
				//监听socket关闭
				this.socket.onClose(() => {
					that.isSocketOpen = false
					that.socket = null
					console.log('WebSocket连接已关闭！');
					that.msgEnd = true
					that.handleScrollBottom();
					if(that.msgTimes) {
						clearInterval(that.msgTimes)
						that.msgTimes = null
					}
				})
				//监听socket错误
				this.socket.onError(() => {
					that.isSocketOpen = false
					that.socket = null
					that.msgEnd = true
					console.log('WebSocket连接打开失败');
					if(that.msgTimes) {
						clearInterval(that.msgTimes)
						that.msgTimes = null
					}
				})
			
			
			},
			sendMsg() {
				if (this.inputText == "") {
					return;
				}
				if (!this.isSend) {
					return;
				}
				if (this.isSocketOpen) {
					var userId = this.userInfo.userId;
					var data = {
						userId: this.userInfo.userId,
						roleId: this.roleId,
						nickName: this.userInfo.nickName,
						avatar: this.userInfo.avatar,
						roleName: this.roleName,
						message: this.inputText,
						sessionId: this.sessionId,
					};
					this.socket.send({
						data: JSON.stringify(data),
						success: () => {
							console.log("发送成功")
							this.addMsg(1, this.inputText, 1);
							this.addMsg(2, "正在思考中...", 1);
							this.isSend = false;
						},
						fail: () => {
							console.log("发送失败")
						}
					});
			
				}
			
			},
			addMsg(type, content, inputType) {
				this.msgEnd = false
				var obj = {
					type: type,
					content: content
				}
				if (inputType == 2) {
					this.msgs.splice(-1);
					this.msgs.push(obj);
				} else if (inputType == 1) {
					this.msgs.push(obj)
				}
				this.inputText = ""
				var that = this;
				that.handleScrollBottom();
				//先确保清除了之前的消息定时器
				if(that.msgTimes) {
					clearInterval(that.msgTimes)
					that.msgTimes = null
				}
				// 5分钟无消息自动结束 
				that.msgTimes=setInterval(()=>{
					console.log("5分钟无消息自动结束")
					clearInterval(that.msgTimes)
					if(this.socket!=null){
						this.socket.close()
					}
					that.msgTimes = null
				},300000)
			},
		},
		onUnload() {
			this.msgEnd = true
			if(this.socket!=null){
				this.socket.close()
			}
			if(this.msgTimes) {
				clearInterval(this.msgTimes)
				this.msgTimes = null
			}
			uni.$off('refreshOrderPatient')
		}
	}
</script>

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

	.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;
			background: #FFFFFF;
			overflow: hidden;
		}
	}
</style>