715 lines
21 KiB
Vue
715 lines
21 KiB
Vue
<template>
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<view class="wrapper" @touchmove="touchmove">
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<view class="tips color_fff size_12 align_c" :class="{ 'show':ajax.loading }" @tap="getHistoryMsg">{{ajax.loadText}}
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</view>
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<view class="placeholder"></view>
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<view class="box-1" id="list-box" ref="box">
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<view class="talk-list">
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<view v-for="(item,index) in talkList" :key="index" :id="`msg-${item.id}`">
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<view class="item flex_col" :class=" item.type == 1 ? 'push':'pull' ">
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<image :src="item.type==1?avatar:item.pic" mode="aspectFill" class="pic"></image>
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<view v-if="talkList.length-1==index" class="content multiline-text">
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<!-- <rich-text :nodes="item.content"></rich-text> -->
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<bing-math v-if="c_content!=''" :key="`math-${item.id}`" class="bing-math" :latex="c_content"></bing-math>
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<view v-else class="blinking-box">|</view>
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</view>
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<view v-else class="content multiline-text">
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<!-- <rich-text :nodes="item.content"></rich-text> -->
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<bing-math :key="`math-${item.id}`" class="bing-math" :latex="item.content"></bing-math>
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</view>
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</view>
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</view>
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<view id="bottom-box"></view>
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</view>
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</view>
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<uni-transition custom-class="box-2" mode-class="slide-left" :show="showStop">
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<view class="flex_col">
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<view class="flex_grow content downsocket" @click="closeSocketTask">中断连接</view>
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</view>
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</uni-transition>
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<uni-transition custom-class="box-2" mode-class="slide-right" :show="!showStop">
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<view class="flex_col">
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<view class="flex_grow">
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<input type="text" class="content" v-model="content" placeholder="请输入聊天内容" @focus="focus" @confirm="send"
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placeholder-style="color:#DDD;" :cursor-spacing="6">
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</view>
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<button class="send" @tap="send">发送</button>
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</view>
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</uni-transition>
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<!-- <view v-show="showplc" :style="{'min-height': (keyboardHeight+200)+'px'}" class="placeholder">显示</view> -->
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</view>
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</template>
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<script>
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import * as base64 from "base-64"
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import CryptoJS from '../../static/crypto-js/crypto-js.js'
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import parser from '../../static/fast-xml-parser/src/parser'
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import * as utf8 from "utf8"
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import BingMath from "@/components/bing-math/bing-math.vue"
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export default {
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components: {
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'bing-math': BingMath
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},
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data() {
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return {
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talkList: [],
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ajax: {
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rows: 15, //每页数量
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page: 1, //页码
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flag: false, // 请求开关
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loading: false, // 加载中
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loadText: '正在获取消息'
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},
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keyboardHeight: 0,
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showplc: true,
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content: '',
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c_content: '',
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n_content: '',
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avatar: '/static/avatar.png', // 用户头像
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params: [], // 发送的消息内容
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timer: '',
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socketTask: {},
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TEXT: '',
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historyTextList: [], // 历史会话信息，由于最大token12000,可以结合实际使用，进行移出
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tempRes: '', // 临时答复保存
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socketing: false, // 是否正在接收
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showStop: false, // 是否显示中断按钮
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scrollTop: 0,
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shouldScrollToBottom: true
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}
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},
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mounted() {
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this.$nextTick(() => {
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this.getHistoryMsg();
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});
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uni.onKeyboardHeightChange(e => {
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let h = this.keyboardHeight;
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this.keyboardHeight = e.height;
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this.$nextTick(() => {
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setTimeout(() => {
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uni.pageScrollTo({
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scrollTop: 9999999, // 当前位置向下滚动
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duration: 300 // 滚动过渡时间为300ms，默认值为300ms
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});
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}, 0)
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})
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})
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},
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onLoad() {
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let avatar = uni.getStorageSync('avatar');
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avatar ? this.avatar = avatar : null;
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uni.$on('MPinfo', (e) => {
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this.avatar = e.avatar;
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})
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},
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beforeDestroy() {
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// #ifdef APP-PLUS
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uni.offKeyboardHeightChange();
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// #endif
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},
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onPageScroll(e) {
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if (e.scrollTop < 5) {
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this.getHistoryMsg();
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}
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},
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watch: {
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n_content(n, o) {
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// this.c_content = n;
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if (this.timer) clearInterval(this.timer);
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let cl = this.c_content.length;
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let nc = this.n_content.split('');
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this.timer = setInterval(() => {
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if (cl < nc.length) {
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this.c_content += nc[cl];
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cl++;
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if (cl % 6 == 0) this.$nextTick(() => {
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uni.pageScrollTo({
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scrollTop: 999999,
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})
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})
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} else {
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// console.log(this.socketing==false, cl == nc.length);
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if (this.socketing == false) this.showStop = false;
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clearInterval(this.timer);
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this.$nextTick(() => {
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uni.pageScrollTo({
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scrollTop: 9999999,
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})
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})
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}
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}, 60)
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},
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},
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methods: {
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copyText(str) {
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uni.setClipboardData({
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data: str,
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success: function() {
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uni.showToast({
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icon: 'none',
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title: '复制成功'
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});
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}
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});
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},
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// 获取历史消息
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getHistoryMsg() {
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return;
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if (this.ajax.flag) {
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return; //
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}
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let get = async () => {
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this.hideLoadTips();
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this.ajax.flag = false;
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let data = await this.joinHistoryMsg();
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console.log('----- 模拟数据格式，供参考 -----');
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console.log(data); // 查看请求返回的数据结构
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// 获取待滚动元素选择器，解决插入数据后，滚动条定位时使用
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let selector = '';
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if (this.ajax.page > 1) {
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// 非第一页，则取历史消息数据的第一条信息元素
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selector = `#msg-${this.talkList[0].id}`;
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} else {
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// 第一页，则取当前消息数据的最后一条信息元素
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selector = `#msg-${data[data.length-1].id}`;
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}
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// 将获取到的消息数据合并到消息数组中
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this.talkList = [...data, ...this.talkList];
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// 数据挂载后执行，不懂的请自行阅读 Vue.js 文档对 Vue.nextTick 函数说明。
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this.$nextTick(() => {
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// 设置当前滚动的位置
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this.setPageScrollTo(selector);
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this.hideLoadTips(true);
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if (data.length < this.ajax.rows) {
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// 当前消息数据条数小于请求要求条数时，则无更多消息，不再允许请求。
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// 可在此处编写无更多消息数据时的逻辑
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} else {
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this.ajax.page++;
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// 延迟 200ms ，以保证设置窗口滚动已完成
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setTimeout(() => {
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this.ajax.flag = true;
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}, 200)
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}
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})
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}
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get();
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},
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// 拼接历史记录消息
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joinHistoryMsg() {
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let join = () => {
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let arr = [];
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//通过当前页码及页数，模拟数据内容
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let startIndex = (this.ajax.page - 1) * this.ajax.rows;
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let endIndex = startIndex + this.ajax.rows;
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for (let i = startIndex; i < endIndex; i++) {
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arr.push({
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"id": i, // 消息的ID
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"content": `这是历史记录的第${i+1}条消息`, // 消息内容
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"type": Math.random() > 0.5 ? 1 : 0, // 此为消息类别，设 1 为发出去的消息，0 为收到对方的消息,
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"pic": "/static/avatar.png" // 头像
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})
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}
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/*
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颠倒数组中元素的顺序。将最新的数据排在本次接口返回数据的最后面。
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后端接口按 消息的时间降序查找出当前页的数据后，再将本页数据按消息时间降序排序返回。
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这是数据的重点，因为页面滚动条和上拉加载历史的问题。
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*/
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arr.reverse();
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return arr;
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}
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// 此处用到 ES6 的 Promise 知识，不懂的请自行学习。
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return new Promise((done, fail) => {
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// 无数据请求接口，由 setTimeout 模拟，正式项目替换为 ajax 即可。
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setTimeout(() => {
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let data = join();
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done(data);
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}, 1500);
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})
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},
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focus() {
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// this.$nextTick(()=>{
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// setTimeout(()=>{
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// uni.pageScrollTo({
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// scrollTop: 9999999, // 当前位置向下滚动
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// duration: 300 // 滚动过渡时间为300ms，默认值为300ms
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// });
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// }, 0)
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// })
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},
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// 设置页面滚动位置
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setPageScrollTo(selector) {
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let view = uni.createSelectorQuery().in(this).select(selector);
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view.boundingClientRect((res) => {
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uni.pageScrollTo({
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scrollTop: res.top - 30, // -30 为多显示出大半个消息的高度，示意上面还有信息。
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duration: 0
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});
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}).exec();
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},
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// 隐藏加载提示
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hideLoadTips(flag) {
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if (flag) {
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this.ajax.loadText = '消息获取成功';
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setTimeout(() => {
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this.ajax.loading = false;
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}, 300);
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} else {
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this.ajax.loading = true;
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this.ajax.loadText = '正在获取消息';
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}
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},
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// 关闭连接
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closeSocketTask() {
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try {
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clearInterval(this.timer);
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this.talkList[this.talkList.length - 1].content = this.c_content + '';
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// console.log(this.talkList[this.talkList.length - 1].content);
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// this.c_content = '';
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// this.n_content = '';
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this.socketTask.close({
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code: 500, // APP端存在BUG,正常关闭的code为1000,无法正常关闭,需要将code换为其他值
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complete: (res) => {
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this.showStop = false;
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console.log('主动断开', res);
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this.wsLiveFlag = false;
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}
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})
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} catch (e) {
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//TODO handle the exception
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}
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},
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// 发送信息
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send() {
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if (!this.content) {
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uni.showToast({
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title: '请输入有效的内容',
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icon: 'none'
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})
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return;
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}
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this.showStop = true;
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// 将当前发送信息 添加到消息列表。
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let data = {
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"id": new Date().getTime(),
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"content": this.content,
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"type": 1,
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"pic": this.avatar
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}
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console.log(data);
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this.TEXT = this.content;
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this.talkList.push(data);
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this.talkList.push({
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"id": new Date().getTime(),
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"content": '',
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"type": 2,
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"pic": "/static/icon/ny.png"
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});
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this.n_content = '';
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this.c_content = '';
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this.socketing = true;
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// return ;
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this.$nextTick(() => {
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// 清空内容框中的内容
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this.content = '';
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// uni.pageScrollTo({
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// scrollTop: 999999, // 设置一个超大值，以保证滚动条滚动到底部
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// duration: 0
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// });
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})
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this.sendToSpark();
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},
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async sendToSpark() {
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// let myUrl = await this.getWebSocketUrl();
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this.tempRes = "";
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let realThis = this;
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this.socketTask = uni.connectSocket({
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//url: encodeURI(encodeURI(myUrl).replace(/\+/g, '%2B')),
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url: `wss://chat.lihaink.cn/chat?type=农业咨询×tamp=${Date.now()}`,
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method: 'GET',
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token: '',
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success: res => {
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console.log(res, "ws成功连接...")
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realThis.wsLiveFlag = true;
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}
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})
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realThis.socketTask.onError((res) => {
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console.log("连接发生错误，请检查appid是否填写", res)
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})
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realThis.socketTask.onOpen((res) => {
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this.historyTextList.push({
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"role": "user",
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"content": this.TEXT
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})
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// 第一帧..........................................
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console.log('连接成功...')
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// let params = {
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// "header": {
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// "app_id": this.APPID,
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// "uid": "aef9f963-7"
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// },
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// "parameter": {
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// "chat": {
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// "domain": "generalv2",
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// "temperature": 0.5,
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// "max_tokens": 1024
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// }
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// },
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// "payload": {
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// "message": {
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// "text": this.historyTextList
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// }
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// }
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// };
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if (this.historyTextList.length > 9) this.params = JSON.parse(JSON.stringify(this.historyTextList
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.splice(-9)));
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else this.params = JSON.parse(JSON.stringify(this.historyTextList));
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this.isSurpass();
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realThis.socketTask.send({ // 发送消息，，都用uni的官方版本
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data: JSON.stringify(this.params),
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success() {
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console.log('第一帧发送成功');
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}
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});
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});
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// 接受到消息时
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realThis.socketTask.onMessage((res) => {
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console.log('收到API返回的内容：', res.data);
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let obj = JSON.parse(res.data)
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// console.log("我打印的"+obj.payload);
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if (!realThis.wsLiveFlag) return;
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let dataArray = obj.payload.choices.text;
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for (let i = 0; i < dataArray.length; i++) {
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this.talkList[this.talkList.length - 1].content += dataArray[i].content;
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this.n_content = this.talkList[this.talkList.length - 1].content;
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realThis.tempRes = realThis.tempRes + dataArray[i].content
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}
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let temp = JSON.parse(res.data)
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// console.log("0726",temp.header.code)
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if (temp.header.code !== 0) {
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this.socketing = false;
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console.log(`${temp.header.code}:${temp.message}`);
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realThis.socketTask.close({
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success(res) {
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console.log('关闭成功', res)
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realThis.wsLiveFlag = false;
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},
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fail(err) {
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console.log('关闭失败', err)
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}
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})
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}
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if (temp.header.code === 0) {
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if (res.data && temp.header.status === 2) {
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this.socketing = false;
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this.historyTextList.push({
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"role": "assistant",
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"content": this.tempRes
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})
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setTimeout(() => {
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realThis.socketTask.close({
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success(res) {
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console.log('关闭成功', res)
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realThis.wsLiveFlag = false;
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},
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fail(err) {
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// console.log('关闭失败', err)
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}
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})
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}, 1000)
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}
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}
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})
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},
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// 判断文字是否超过五千字
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isSurpass() {
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let sum = this.params.reduce((accumulator, currentValue) => {
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return accumulator + currentValue.content;
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}, '');
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if (sum.length > 5000) {
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this.params.shift();
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return this.isSurpass();
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} else {
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console.log(`本次发送${sum.length}字`);
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return sum;
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}
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},
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// 鉴权
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getWebSocketUrl() {
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return new Promise((resolve, reject) => {
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// https://spark-api.xf-yun.com/v1.1/chat V1.5 domain general
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// https://spark-api.xf-yun.com/v2.1/chat V2.0 domain generalv2
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var url = "wss://spark-api.xf-yun.com/v2.1/chat";
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var host = "spark-api.xf-yun.com";
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var apiKeyName = "api_key";
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var date = new Date().toGMTString();
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var algorithm = "hmac-sha256";
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var headers = "host date request-line";
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var signatureOrigin = `host: ${host}\ndate: ${date}\nGET /v2.1/chat HTTP/1.1`;
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var signatureSha = CryptoJS.HmacSHA256(signatureOrigin, this.APISecret);
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var signature = CryptoJS.enc.Base64.stringify(signatureSha);
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var authorizationOrigin =
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`${apiKeyName}="${this.APIKey}", algorithm="${algorithm}", headers="${headers}", signature="${signature}"`;
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var authorization = base64.encode(authorizationOrigin);
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url = `${url}?authorization=${authorization}&date=${encodeURI(date)}&host=${host}`;
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// console.log(url)
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resolve(url);
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});
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},
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// 滚动到头部
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bindScroll() {
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if (this.userId == 0) {
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this.getHistory();
|
||
this.getproductInfo();
|
||
this.getOrderInfo();
|
||
this.getRefundDetail();
|
||
this.getStoreDetail();
|
||
} else {
|
||
this.getMerHistory();
|
||
}
|
||
},
|
||
// 当滑动页面时,收起键盘,与微信聊天效果保持一致
|
||
touchmove(e) {
|
||
uni.hideKeyboard()
|
||
}
|
||
}
|
||
}
|
||
</script>
|
||
|
||
<style lang="scss">
|
||
@import "../../lib/global.scss";
|
||
|
||
page {
|
||
background-color: #f5f5f5;
|
||
font-size: 28rpx;
|
||
}
|
||
|
||
@keyframes blink {
|
||
0% {
|
||
opacity: 1;
|
||
}
|
||
|
||
50% {
|
||
opacity: 0;
|
||
}
|
||
|
||
100% {
|
||
opacity: 1;
|
||
}
|
||
}
|
||
|
||
.blinking-box {
|
||
background-color: #333;
|
||
color: #333;
|
||
animation: blink 1s infinite;
|
||
width: 2px;
|
||
overflow: hidden;
|
||
}
|
||
|
||
.wrapper {
|
||
height: auto !important;
|
||
}
|
||
|
||
/* 加载数据提示 */
|
||
.tips {
|
||
position: fixed;
|
||
left: 0;
|
||
top: var(--window-top);
|
||
width: 100%;
|
||
z-index: 9;
|
||
background-color: rgba(0, 0, 0, 0.15);
|
||
height: 72rpx;
|
||
line-height: 72rpx;
|
||
transform: translateY(-80rpx);
|
||
transition: transform 0.3s ease-in-out 0s;
|
||
|
||
&.show {
|
||
transform: translateY(0);
|
||
}
|
||
}
|
||
|
||
.box-1 {
|
||
width: 100%;
|
||
height: auto;
|
||
min-height: calc(100vh - 100rpx);
|
||
padding-bottom: 100rpx;
|
||
box-sizing: content-box;
|
||
display: flex;
|
||
flex-direction: column;
|
||
justify-content: flex-end;
|
||
|
||
/* 兼容iPhoneX */
|
||
margin-bottom: 0;
|
||
margin-bottom: constant(safe-area-inset-bottom);
|
||
margin-bottom: env(safe-area-inset-bottom);
|
||
}
|
||
|
||
.multiline-text {
|
||
white-space: pre-line;
|
||
/* 或 white-space: pre-wrap; */
|
||
}
|
||
|
||
.box-2 {
|
||
position: fixed;
|
||
left: 0;
|
||
width: 100%;
|
||
bottom: 0;
|
||
height: auto;
|
||
z-index: 2;
|
||
border-top: #e5e5e5 solid 1px;
|
||
box-sizing: content-box;
|
||
background-color: #f5f5f5;
|
||
transform: translateY(0);
|
||
/* 初始化 transform 属性 */
|
||
transition: transform 0.3s ease;
|
||
/* 添加过渡效果 */
|
||
|
||
/* 兼容iPhoneX */
|
||
padding-bottom: 0;
|
||
padding-bottom: constant(safe-area-inset-bottom);
|
||
padding-bottom: env(safe-area-inset-bottom);
|
||
|
||
>view {
|
||
padding: 0 20rpx;
|
||
height: 100rpx;
|
||
}
|
||
|
||
.content {
|
||
background-color: #fff;
|
||
height: 64rpx;
|
||
padding: 0 20rpx;
|
||
border-radius: 6rpx;
|
||
font-size: 28rpx;
|
||
}
|
||
|
||
.send {
|
||
background-color: #2573fb;
|
||
color: #fff;
|
||
height: 64rpx;
|
||
margin-left: 20rpx;
|
||
border-radius: 6rpx;
|
||
padding: 0;
|
||
width: 120rpx;
|
||
line-height: 62rpx;
|
||
|
||
&:active {
|
||
background-color: #1573fb;
|
||
}
|
||
}
|
||
}
|
||
|
||
.talk-list {
|
||
padding-bottom: 20rpx;
|
||
|
||
/* 消息项，基础类 */
|
||
.item {
|
||
padding: 20rpx 20rpx 0 20rpx;
|
||
align-items: flex-start;
|
||
align-content: flex-start;
|
||
color: #333;
|
||
|
||
.pic {
|
||
width: 92rpx;
|
||
height: 92rpx;
|
||
border-radius: 50%;
|
||
border: #fff solid 1px;
|
||
}
|
||
|
||
.content {
|
||
padding: 20rpx;
|
||
border-radius: 4px;
|
||
max-width: 500rpx;
|
||
word-break: break-all;
|
||
line-height: 52rpx;
|
||
position: relative;
|
||
}
|
||
|
||
/* 收到的消息 */
|
||
&.pull {
|
||
.content {
|
||
min-width: 20rpx;
|
||
min-height: 52rpx;
|
||
margin-left: 32rpx;
|
||
background-color: #fff;
|
||
|
||
&::after {
|
||
content: '';
|
||
display: block;
|
||
width: 0;
|
||
height: 0;
|
||
border-top: 16rpx solid transparent;
|
||
border-bottom: 16rpx solid transparent;
|
||
border-right: 20rpx solid #fff;
|
||
position: absolute;
|
||
top: 30rpx;
|
||
left: -18rpx;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* 发出的消息 */
|
||
&.push {
|
||
/* 主轴为水平方向，起点在右端。使不修改DOM结构，也能改变元素排列顺序 */
|
||
flex-direction: row-reverse;
|
||
|
||
.content {
|
||
min-width: 20rpx;
|
||
min-height: 52rpx;
|
||
margin-right: 32rpx;
|
||
background-color: #2573fb;
|
||
color: #fff;
|
||
|
||
&::after {
|
||
content: '';
|
||
display: block;
|
||
width: 0;
|
||
height: 0;
|
||
border-top: 16rpx solid transparent;
|
||
border-bottom: 16rpx solid transparent;
|
||
border-left: 20rpx solid #2573fb;
|
||
position: absolute;
|
||
top: 30rpx;
|
||
right: -18rpx;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
.bing-math {
|
||
margin: 0 !important;
|
||
padding: 0 !important;
|
||
}
|
||
|
||
.placeholder {
|
||
width: 100vw;
|
||
background-color: #1573fb;
|
||
// background-color: transparent;
|
||
// transform: translateY(0); /* 初始化 transform 属性 */
|
||
// transition: transform 0.3s ease; /* 添加过渡效果 */
|
||
}
|
||
|
||
.downsocket {
|
||
display: flex;
|
||
justify-content: center;
|
||
align-items: center;
|
||
background-color: #2573fb !important;
|
||
color: #fff !important;
|
||
}
|
||
</style> |