594 lines
20 KiB
Vue
594 lines
20 KiB
Vue
<template>
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<view class="chat-container">
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<!-- 聊天头部 -->
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<view :style="{ paddingTop: top + 'px', height: localHeight + 'px' }" class="chat-header">
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<view class="back-btn" @tap="goBack">
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<uni-icons color="#333" size="28" type="left"></uni-icons>
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</view>
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<view class="chat-title">{{ chatTarget.title || '客服' }}</view>
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<view class="change-service-btn" @tap="goToChangeService">
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<uni-icons color="#333" size="22" type="switch"></uni-icons>
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</view>
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</view>
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<!-- 连接状态提示 -->
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<view v-if="connectingStatus" class="connecting-status">{{ connectingStatus }}</view>
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<!-- 聊天消息区域 -->
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<scroll-view class="chat-messages" scroll-y="true"
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upper-threshold="50" @scrolltoupper="loadMoreHistory" @scroll="onScroll">
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<!-- 加载历史消息提示 -->
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<view v-if="isLoadingHistory" class="message-time">加载历史消息...</view>
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<!-- 消息列表 -->
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<block v-for="(message, index) in messages" :key="index">
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<!-- 时间分割线 -->
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<view v-if="needShowTime(index)" class="message-time">{{ message.times }}</view>
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<!-- 消息项 -->
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<view :id="'msg-' + index" :class="{
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'self': message.isSelf,
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'other': !message.isSelf,
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'loading': message.isLoading
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}" class="message-item">
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<image :src="message.isSelf ? userAvatar : getAvatarUrl(message)" class="message-avatar" mode="aspectFill">
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</image>
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<view class="message-content">
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{{ message.content }}
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</view>
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</view>
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</block>
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</scroll-view>
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<!-- 输入区域 -->
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<view class="chat-input-area">
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<view class="input-container">
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<textarea v-model="inputMessage" :adjust-position="true" auto-height class="message-input" cursor-spacing="10"
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enable-keyboard-accessory-view="true" hold-keyboard="true" maxlength="500" placeholder="请输入消息..."
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@blur="onInputBlur" @confirm="sendMessage" @focus="onInputFocus" @input="handleInput"></textarea>
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<button :disabled="inputMessage.trim() === ''" class="send-btn" @tap="sendMessage">
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发送
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</button>
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</view>
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</view>
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</view>
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</template>
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<script>
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import { menuButtonInfo, picUrl, request } from '@/utils'
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import mqttTool from '@/utils/mqtt'
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import { apiArr } from '../../../api/customerService'
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export default {
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data() {
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return {
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localHeight: '',
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top: '',
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// 聊天目标信息
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chatTarget: {
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mchId: '',
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bindId: 0,
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title: '',
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avatar: '',
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openId: '' // 接收方的open_id
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},
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// 用户头像
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userAvatar: '',
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// 消息列表
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messages: [],
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// 输入的消息
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inputMessage: '',
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// 是否可以发送消息
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canSend: false,
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// 连接状态
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isConnected: false,
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// 连接状态文本
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connectingStatus: '',
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// 滚动到指定视图
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scrollToView: '',
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// 是否加载历史消息
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isLoadingHistory: false,
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// 心跳包定时器
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keepaliveTimer: null,
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selfClientId: uni.getStorageSync('openId'),
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// MQTT工具实例
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client: null,
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// 重连失败提示定时器
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reconnectFailedTimer: null,
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// 分页参数
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pageNum: 1,
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pageSize: 10,
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// 是否还有更多历史消息
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hasMoreHistory: true,
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// 滚动到底部的标记
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scrollToBottomFlag: false
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}
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},
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onLoad(options) {
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console.log('客服聊天页面onLoad触发')
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const meun = menuButtonInfo()
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this.top = meun.top
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this.localHeight = meun.height
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console.log('导航栏信息：top:', this.top, 'height:', this.localHeight)
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// 获取聊天对象信息
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if (options.item) {
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const item = JSON.parse(options.item)
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console.log('参数接收:', item)
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if (Number(item.type) === 1) {
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// 客户选择客服跳转进来
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this.chatTarget = item
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console.log('客户找客服跳转:', this.chatTarget)
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this.chatTarget.title = this.chatTarget.employee_name
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this.getMqttConfig().then(() => {
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// 获取配置后再初始化聊天
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console.log('获取MQTT配置成功，开始初始化聊天')
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this.initChat()
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}).catch(error => {
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console.error('获取MQTT配置失败:', error)
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})
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} else {
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// 客服选择聊天列表进来
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this.chatTarget = item
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console.log('客服找客户进来:', this.chatTarget)
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this.chatTarget.title = this.chatTarget.server_name
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this.chatTarget.bindId = this.chatTarget.id
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if (this.chatTarget.client_id_one === this.selfClientId) {
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this.chatTarget.openId = this.chatTarget.client_id_two
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} else {
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this.chatTarget.openId = this.chatTarget.client_id_one
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}
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// 初始化MQTT连接
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console.log('开始初始化聊天')
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this.initChat()
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}
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} else {
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console.log('没有接收到参数item')
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}
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// 初始化用户头像
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this.userAvatar = picUrl + uni.getStorageSync('headPhoto')
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console.log('用户头像:', this.userAvatar)
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},
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onShow() {
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},
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methods: {
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getAvatarUrl(record) {
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return this.chatTarget.employee_image ? this.chatTarget.employee_image : 'https://wechat-img-file.oss-cn-beijing.aliyuncs.com/property-img-file/defaultTx.png'
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},
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async connect() {
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this.client = null
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const options = {
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clientId: this.selfClientId
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}
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// 添加连接状态回调
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const callbacks = {
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onConnect: () => {
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console.log('客服连接成功')
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this.isConnected = true
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this.connectingStatus = ''
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},
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onDisconnect: this.onDisconnect.bind(this),
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onError: (error) => {
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console.error('客服连接错误:', error)
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this.isConnected = false
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this.connectingStatus = '连接错误，请重试'
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},
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onReconnect: () => {
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console.log('客服正在重连...')
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this.isConnected = false
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this.connectingStatus = '连接已断开，正在重连...'
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}
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}
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this.client = mqttTool.connect(options, callbacks)
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this.isConnected = !!this.client
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await this.subscribe()
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this.client.on('message', (topic, message) => {
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const msgStr = Buffer.from(message).toString('utf8') // 二进制转UTF-8字符串
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const msg = JSON.parse(msgStr) // 后续解析逻辑不变
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let jsMsg = msg // 直接使用已解析的对象，无需再次解析
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console.log('收到消息', topic, msg)
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if (jsMsg.send_client === this.selfClientId || jsMsg.receive_client === this.selfClientId) {
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console.log('接收或发送人是我')
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if (jsMsg.send_client === this.chatTarget.openId || jsMsg.receive_client === this.chatTarget.openId) {
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console.log('接收或发送人是我的聊天对象')
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this.messages.push({
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content: jsMsg.content,
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time: Date.now(),
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isSelf: jsMsg.send_client === this.selfClientId,
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isLoading: false
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})
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console.log('收到我的消息', this.messages)
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this.scrollToView = 'msg-' + (this.messages.length - 1)
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}
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}
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})
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},
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async subscribe() {
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if (this.isConnected && this.client) {
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this.client.subscribe('contact/message/receive_msg', { qos: 0 }, (err) => {
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if (!err) {
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console.log('订阅成功', 'contact/message/receive_msg', { qos: 0 })
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this.connectingStatus = ''
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} else {
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console.log('订阅失败:', err)
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this.connectingStatus = '订阅失败，请重试'
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}
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})
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} else {
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console.log('连接失败', this.isConnected, this.client)
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this.connectingStatus = '连接失败，请重试'
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}
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},
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// 初始化聊天
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async initChat() {
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try {
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// 显示连接状态
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this.connectingStatus = '正在连接客服...'
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await this.connect()
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// 连接成功后启动心跳包
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this.startKeepalive()
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// 连接成功后立即加载历史消息
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console.log('连接成功，开始加载历史消息')
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await this.loadHistoryMessages()
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console.log('历史消息加载完成，消息数量：', this.messages.length)
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} catch (error) {
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console.error('初始化聊天失败', error)
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this.connectingStatus = '连接失败，请检查网络'
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// 失败后尝试重新连接
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this.reconnectFailedTimer = setTimeout(() => {
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this.initChat()
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}, 3000)
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}
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},
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// 获取MQTT连接配置
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async getMqttConfig() {
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console.log('🚀 ~ onLoad ~ this.chatTarget.open_id:', this.chatTarget.open_id)
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try {
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// 如果没有已创建的实例或clientId，则通过API获取
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return new Promise((resolve, reject) => {
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const params = {
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worker_id: this.chatTarget.id || '',
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open_id: this.selfClientId || ''
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}
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request(apiArr.csGetToClientId, 'POST', params).then((res) => {
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console.log('聊天列表:', res)
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// 检查响应数据格式是否正确
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if (res && res.client_bind && res.client_bind.client_id_one && res.client_bind.client_id_two) {
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if (res.client_bind.client_id_one === this.selfClientId) {
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this.chatTarget.openId = res.client_bind.client_id_two
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} else {
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this.chatTarget.openId = res.client_bind.client_id_one
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}
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this.chatTarget.bindId = res.client_bind.id
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resolve()
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} else {
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console.error('MQTT配置响应格式不正确:', res)
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reject(new Error('未获取到有效的MQTT配置'))
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}
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}).catch(error => {
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console.error('获取MQTT配置失败', error)
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reject(error)
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})
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})
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} catch (error) {
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console.error('获取MQTT配置失败', error)
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throw error
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}
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},
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// MQTT断开连接回调
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onDisconnect(packet) {
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console.log('MQTT连接断开', packet)
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this.isConnected = false
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this.client = null
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// 根据断开原因设置不同的连接状态文本
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if (packet && packet.error) {
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// 连接失败的情况
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this.connectingStatus = '连接失败，请检查网络'
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} else {
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// 其他断开连接的情况
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this.connectingStatus = '连接已断开，正在重连...'
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}
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// 停止心跳包
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this.stopKeepalive()
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},
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// 加载历史消息
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async loadHistoryMessages() {
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console.log('loadHistoryMessages方法调用')
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console.log('加载条件检查：hasMoreHistory:', this.hasMoreHistory, 'isLoadingHistory:', this.isLoadingHistory)
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if (!this.hasMoreHistory || this.isLoadingHistory) {
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console.log('不满足加载条件：hasMoreHistory:', this.hasMoreHistory, 'isLoadingHistory:', this.isLoadingHistory)
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return
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}
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try {
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this.isLoadingHistory = true
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console.log('开始加载历史消息，当前页码：', this.pageNum)
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// 确保已经获取了mqttConfig.bindId
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if (!this.chatTarget.bindId) {
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console.log('没有bindId，开始获取MQTT配置')
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await this.getMqttConfig()
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console.log('获取MQTT配置成功，bindId：', this.chatTarget.bindId)
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}
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const params = {
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bindId: this.chatTarget.bindId,
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order: 'desc', // 按时间降序排列
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page_num: this.pageNum,
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page_size: this.pageSize
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}
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console.log('请求历史消息参数:', params)
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const res = await request(apiArr.csGetMsgRecord, 'POST', params)
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console.log('历史消息返回结果:', res)
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if (res && res.msg_record) {
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const historyMessages = res.msg_record
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console.log('原始历史消息数量：', historyMessages.length)
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// 如果没有更多历史消息了
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if (historyMessages.length === 0) {
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console.log('没有更多历史消息了')
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this.hasMoreHistory = false
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return
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}
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// 处理历史消息，转换为需要的格式
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const formattedMessages = historyMessages.map(msg => ({
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content: msg.content,
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time: new Date(msg.create_time).getTime(),
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times: msg.update_time,
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isSelf: msg.send_client === this.selfClientId, // 修正判断条件
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isLoading: false
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})).reverse(); // 反转消息顺序，确保最早的消息在最前面
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console.log('格式化后的历史消息：', formattedMessages)
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// 将格式化后的历史消息添加到消息列表开头
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const previousMessageCount = this.messages.length;
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console.log('添加前消息数量：', previousMessageCount)
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this.messages = [...formattedMessages, ...this.messages];
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console.log('添加后消息数量：', this.messages.length)
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// 增加页码
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this.pageNum++;
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console.log('下一页页码：', this.pageNum)
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// 如果是首次加载，滚动到底部显示最新消息
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if (previousMessageCount === 0) {
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setTimeout(() => {
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console.log('首次加载，滚动到底部，消息数量：', this.messages.length)
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// 使用更可靠的滚动方式
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uni.pageScrollTo({
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scrollTop: 999999,
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duration: 300
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});
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}, 100);
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} else {
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// 不是首次加载时，保持当前滚动位置，不自动滚动到底部
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// 确保新加载的历史消息在顶部可见
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console.log('非首次加载，新增消息数量：', formattedMessages.length)
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}
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} else {
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console.log('接口返回数据格式不正确或无消息记录')
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// 仅当不是第一页时才设置hasMoreHistory为false
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if (this.pageNum > 1) {
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this.hasMoreHistory = false
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}
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}
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} catch (error) {
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console.error('加载历史消息失败', error)
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} finally {
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this.isLoadingHistory = false
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console.log('加载历史消息结束')
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}
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},
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// 滚动事件监听
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onScroll(e) {
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console.log('滚动事件触发，scrollTop：', e.detail.scrollTop)
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},
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// 加载更多历史消息
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loadMoreHistory() {
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console.log('滚动到顶部事件触发')
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// 滚动到顶部时加载更多历史消息
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console.log('当前条件：isLoadingHistory:', this.isLoadingHistory, 'hasMoreHistory:', this.hasMoreHistory, 'pageNum:', this.pageNum)
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// 重置hasMoreHistory为true，确保可以继续加载
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if (!this.hasMoreHistory && this.pageNum === 1) {
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console.log('重置hasMoreHistory为true')
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this.hasMoreHistory = true
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}
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if (!this.isLoadingHistory && this.hasMoreHistory) {
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console.log('开始加载更多历史消息')
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this.loadHistoryMessages()
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} else {
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console.log('不满足加载更多条件：isLoadingHistory:', this.isLoadingHistory, 'hasMoreHistory:', this.hasMoreHistory)
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}
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},
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// 发送消息
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sendMessage() {
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const content = this.inputMessage.trim()
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console.log('发送消息', content)
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if (!content || !this.client || !this.isConnected) return
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// 滚动到底部
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this.scrollToBottom()
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console.log('需要发送的对象', this.chatTarget)
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// 按照用户提供的格式构建发送消息
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const msgData = {
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bind_id: this.chatTarget.bindId, // 聊天列表的ID
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send_client: this.selfClientId, // 消息发送方open_id
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receive_client: this.chatTarget.openId, // 消息接收方open_id
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type: 1, // 消息类型，1表示文字消息
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content: content, // 消息内容
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receive_read_status: 2 // 接收方阅读状态
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}
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console.log('发送消息', msgData)
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this.client.publish(
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'contact/message/send_msg', // 使用指定的发送消息主题
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JSON.stringify(msgData),
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{ Qos: 0 },
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(err) => {
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if (err) {
|
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console.error('发送消息失败', err)
|
||
// 可以在这里添加消息发送失败的处理逻辑
|
||
} else {
|
||
console.log('发送消息成功')
|
||
}
|
||
}
|
||
)
|
||
|
||
// 清空输入框
|
||
this.inputMessage = ''
|
||
},
|
||
|
||
// 处理输入事件
|
||
handleInput() {
|
||
this.canSend = this.inputMessage.trim().length > 0
|
||
},
|
||
|
||
onInputFocus() {
|
||
// 输入框获取焦点时，设置滚动到底部的标记
|
||
this.scrollToBottomFlag = true
|
||
setTimeout(() => {
|
||
if (this.scrollToBottomFlag) {
|
||
this.scrollToBottom()
|
||
}
|
||
}, 300)
|
||
},
|
||
|
||
onInputBlur() {
|
||
// 输入框失去焦点时，重置滚动标记
|
||
this.scrollToBottomFlag = false
|
||
},
|
||
|
||
// 是否需要显示时间分割线
|
||
needShowTime(index) {
|
||
if (index === 0) return true
|
||
|
||
const currentMsg = this.messages[index]
|
||
const prevMsg = this.messages[index - 1]
|
||
|
||
// 如果两条消息间隔超过5分钟，则显示时间分割线
|
||
return (currentMsg.time - prevMsg.time) > 5 * 60 * 1000
|
||
},
|
||
|
||
// 格式化时间
|
||
formatTime(time) {
|
||
const date = new Date(time)
|
||
const hours = date.getHours().toString().padStart(2, '0')
|
||
const minutes = date.getMinutes().toString().padStart(2, '0')
|
||
|
||
return `${hours}:${minutes}`
|
||
},
|
||
|
||
// 滚动到底部
|
||
scrollToBottom() {
|
||
setTimeout(() => {
|
||
console.log('手动滚动到底部')
|
||
uni.pageScrollTo({
|
||
scrollTop: 999999,
|
||
duration: 300
|
||
});
|
||
}, 100)
|
||
},
|
||
|
||
// 返回上一页
|
||
goBack() {
|
||
uni.navigateBack()
|
||
},
|
||
|
||
// 启动心跳包 - 增强版：添加错误处理和状态检查
|
||
startKeepalive() {
|
||
// 停止之前的定时器
|
||
this.stopKeepalive()
|
||
|
||
// 每30秒发送一次心跳包
|
||
this.keepaliveTimer = setInterval(() => {
|
||
if (this.client && this.isConnected) {
|
||
const keepaliveData = {
|
||
client_id: this.selfClientId // 自己的client_id
|
||
}
|
||
|
||
this.client.publish(
|
||
'contact/message/keep_time',
|
||
JSON.stringify(keepaliveData),
|
||
{},
|
||
(err) => {
|
||
if (err) {
|
||
console.error('发送心跳包失败', err)
|
||
// 心跳包发送失败可能表示连接有问题，可以考虑触发重连
|
||
if (!this.isConnected) {
|
||
return
|
||
}
|
||
console.log('心跳包发送失败，尝试检查连接状态')
|
||
// 这里可以添加额外的连接检查逻辑
|
||
}
|
||
}
|
||
)
|
||
} else {
|
||
console.warn('MQTT未连接，停止心跳包')
|
||
this.stopKeepalive()
|
||
}
|
||
}, 30000)
|
||
},
|
||
|
||
// 停止心跳包
|
||
stopKeepalive() {
|
||
if (this.keepaliveTimer) {
|
||
clearInterval(this.keepaliveTimer)
|
||
this.keepaliveTimer = null
|
||
}
|
||
},
|
||
|
||
// 跳转到切换客服页面
|
||
goToChangeService() {
|
||
uni.navigateTo({
|
||
url: '/packages/customerService/changeService/index?currentMchId=' + this.chatTarget.mchId
|
||
})
|
||
}
|
||
},
|
||
|
||
// 页面卸载时停止心跳包
|
||
onUnload() {
|
||
// 断开MQTT连接
|
||
if (this.client) {
|
||
this.client.end()
|
||
}
|
||
|
||
// 停止心跳包
|
||
this.stopKeepalive()
|
||
|
||
// 清除重连失败提示定时器
|
||
if (this.reconnectFailedTimer) {
|
||
clearTimeout(this.reconnectFailedTimer)
|
||
this.reconnectFailedTimer = null
|
||
}
|
||
}
|
||
}
|
||
</script>
|
||
|
||
<style>
|
||
@import url("./index.css");
|
||
</style>
|
||
<style scoped>
|
||
:root {
|
||
--header-height: 80px; /* 头部高度 */
|
||
--input-height: 80px; /* 输入区域高度 */
|
||
}
|
||
</style> |