uniapp-vue3-wechat：基于uniapp+vue3仿微信app谈天实例(H5+小步调+App端) - ToB企服应用市场:ToB评测及商务社交产业平台

/**
* 入口文件 main.js
*/
import { createSSRApp } from 'vue'
import App from './App'
// 引入pinia状态管理
import pinia from '@/pinia'
export function createApp() {
const app = createSSRApp(App)
app.use(pinia)
return {
app,
pinia
}
}

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<script setup>
import { provide } from 'vue'
import { onLaunch, onShow, onHide, onPageNotFound } from '@dcloudio/uni-app'
onLaunch(() => {
console.log('App Launch')
uni.hideTabBar()
loadSystemInfo()
})
onShow(() => {
console.log('App Show')
})
onHide(() => {
console.log('App Hide')
})
onPageNotFound((e) => {
console.warn('Route Error：', `${e.path}`)
})
// 获取系统设备信息
const loadSystemInfo = () => {
uni.getSystemInfo({
success: (e) => {
// 获取手机状态栏高度
let statusBar = e.statusBarHeight
let customBar
// #ifndef MP
customBar = statusBar + (e.platform == 'android' ? 50 : 45)
// #endif
// #ifdef MP-WEIXIN
// 获取胶囊按钮的布局位置信息
let menu = wx.getMenuButtonBoundingClientRect()
// 导航栏高度 = 胶囊下距离 + 胶囊上距离 - 状态栏高度
customBar = menu.bottom + menu.top - statusBar
// #endif
// #ifdef MP-ALIPAY
customBar = statusBar + e.titleBarHeight
// #endif
// 由于globalData在vue3 setup存在兼容性问题，改为provide/inject替代方案
provide('globalData', {
statusBarH: statusBar,
customBarH: customBar,
screenWidth: e.screenWidth,
screenHeight: e.screenHeight,
platform: e.platform
})
}
})
}
</script>
<style>
/* #ifndef APP-NVUE */
@import 'static/fonts/iconfont.css';
/* #endif */
</style>
<style lang="scss">
@import 'styles/reset.scss';
@import 'styles/layout.scss';
</style>

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<uv3-navbar :back="true" title="标题内容" bgcolor="#07c160" color="#fff" fixed zIndex="1010" />
<uv3-navbar custom bgcolor="linear-gradient(to right, #07c160, #0000ff)" color="#fff" center transparent zIndex="2024">
<template #back><uni-icons type="close" /></template>
<template #backText><text>首页</text></template>
<template #title>
<image src="/static/logo.jpg" style="height:20px;width:20px;" /> Admin
</template>
<template #right>
<view class="ml-20" @click="handleAdd"><text class="iconfont icon-tianjia"></text></view>
<view class="ml-20"><text class="iconfont icon-msg"></text></view>
</template>
</uv3-navbar>

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<script>
export default {
/**
* 解决小程序class、id透传问题
* manifest.json中配置mergeVirtualHostAttributes: true, 在微信小程序平台不生效，组件外部传入的class没有挂到组件根节点上，在组件中增加options: { virtualHost: true }
* https://github.com/dcloudio/uni-ui/issues/753
*/
options: { virtualHost: true }
}
</script>
<script setup>
const props = defineProps({
// 是否显示自定义tabbar
showTabBar: { type: [Boolean, String], default: false },
})
</script>
<template>
<view class="uv3__container flexbox flex-col flex1">
<slot name="header" />
<view class="uv3__scrollview flex1">
<slot />
</view>
<slot name="footer" />
<uv3-tabbar v-if="showTabBar" hideTabBar fixed />
</view>
</template>

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<script setup>
import { onMounted, ref, computed, watch, getCurrentInstance } from 'vue'
const props = defineProps({
// 图像组
avatar: { type: Array, default: null },
})
const instance = getCurrentInstance()
const uuid = computed(() => Math.floor(Math.random() * 10000))
const avatarPainterId = ref('canvasid' + uuid.value)
const createAvatar = () => {
const ctx = uni.createCanvasContext(avatarPainterId.value, instance)
// 计算图像在画布上的坐标
const avatarSize = 12
const gap = 2
for(let i = 0, len = props.avatar.length; i < len; i++) {
const row = Math.floor(i / 3)
const col = i % 3
const x = col * (avatarSize + gap)
const y = row * (avatarSize + gap)
ctx.drawImage(props.avatar[i], x, y, avatarSize, avatarSize)
}
ctx.draw(false, () => {
// 输出临时图片
/* uni.canvasToTempFilePath({
canvasId: avatarPainterId.value,
success: (res) => {
console.log(res.tempFilePath)
}
}) */
})
}
onMounted(() => {
createAvatar()
})
watch(() => props.avatar, () => {
createAvatar()
})
</script>
<template>
<template v-if="avatar.length > 1">
<view class="uv3__avatarPainter">
<canvas :canvas-id="avatarPainterId" class="uv3__avatarPainter-canvas"></canvas>
</view>
</template>
<template v-else>
<image class="uv3__avatarOne" :src="avatar[0]" />
</template>
</template>
<style lang="scss" scoped>
.uv3__avatarPainter {background-color: #eee; border-radius: 5px; overflow: hidden; padding: 2px; height: 44px; width: 44px;}
.uv3__avatarPainter-canvas {height: 100%; width: 100%;}
.uv3__avatarOne {border-radius: 5px; height: 44px; width: 44px;}
</style>

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v-model 当前组件是否显示
title 标题（支持富文本div标签、自定义插槽内容）
content 内容（支持富文本div标签、自定义插槽内容）
type 弹窗类型（toast | footer | actionsheet | actionsheetPicker | android/ios）
customStyle 自定义弹窗样式
icon toast图标（loading | success | fail | warn | info）
shade 是否显示遮罩层
shadeClose 是否点击遮罩时关闭弹窗
opacity 遮罩层透明度
round 是否显示圆角
xclose 是否显示关闭图标
xposition 关闭图标位置（left | right | top | bottom）
xcolor 关闭图标颜色
anim 弹窗动画（scaleIn | fadeIn | footer | fadeInUp | fadeInDown）
position 弹出位置（top | right | bottom | left）
follow 长按/右键弹窗（坐标点）
time 弹窗自动关闭秒数（1、2、3）
zIndex 弹窗层叠（默认202107）
btns 弹窗按钮（参数：text|style|disabled|click）
------------------------------------------
## slot [插槽]
<template #title></template>
<template #content></template>
------------------------------------------
## emit
open 打开弹出层时触发（@open="xxx"）
close 关闭弹出层时触发（@close="xxx"）

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<script setup>
import { onMounted, ref, computed, watch, nextTick, getCurrentInstance } from 'vue'
const props = defineProps({
...
})
const emit = defineEmits([
'update:modelValue',
'open',
'close'
])
const instance = getCurrentInstance()
const opts = ref({
...props
})
const visible = ref(false)
const closeAnim = ref(false)
const stopTimer = ref(null)
const oIndex = ref(props.zIndex)
const uuid = computed(() => Math.floor(Math.random() * 10000))
const positionStyle = ref({ position: 'absolute', left: '-999px', top: '-999px' })
const toastIcon = {
...
}
// 打开弹框
const open = (options) => {
if(visible.value) return
opts.value = Object.assign({}, props, options)
// console.log('-=-=混入参数：', opts.value)
visible.value = true
// nvue 的各组件在安卓端默认是透明的，如果不设置background-color，可能会导致出现重影的问题
// #ifdef APP-NVUE
if(opts.value.customStyle && !opts.value.customStyle['background'] && !opts.value.customStyle['background-color']) {
opts.value.customStyle['background'] = '#fff'
}
// #endif
let _index = ++index
oIndex.value = _index + parseInt(opts.value.zIndex)
emit('open')
typeof opts.value.onOpen === 'function' && opts.value.onOpen()
// 长按处理
if(opts.value.follow) {
nextTick(() => {
let winW = uni.getSystemInfoSync().windowWidth
let winH = uni.getSystemInfoSync().windowHeight
// console.log('坐标点信息：', opts.value.follow)
getDom(uuid.value).then(res => {
// console.log('Dom尺寸信息：', res)
if(!res) return
let pos = getPos(opts.value.follow[0], opts.value.follow[1], res.width+15, res.height+15, winW, winH)
positionStyle.value.left = pos[0] + 'px'
positionStyle.value.top = pos[1] + 'px'
})
})
}
if(opts.value.time) {
if(stopTimer.value) clearTimeout(stopTimer.value)
stopTimer.value = setTimeout(() => {
close()
}, parseInt(opts.value.time) * 1000)
}
}
// 关闭弹框
const close = () => {
if(!visible.value) return
closeAnim.value = true
setTimeout(() => {
visible.value = false
closeAnim.value = false
emit('update:modelValue', false)
emit('close')
typeof opts.value.onClose === 'function' && opts.value.onClose()
positionStyle.value.left = '-999px'
positionStyle.value.top = '-999px'
stopTimer.value && clearTimeout(stopTimer.value)
}, 200)
}
// 点击遮罩层
const handleShadeClick = () => {
if(JSON.parse(opts.value.shadeClose)) {
close()
}
}
// 按钮事件
const handleBtnClick = (e, index) => {
let btn = opts.value.btns[index]
if(!btn?.disabled) {
console.log('按钮事件类型：', typeof btn.click)
typeof btn.click === 'function' && btn.click(e)
}
}
// 获取dom宽高
const getDom = (id) => {
return new Promise((resolve, inject) => {
// uniapp vue3中 uni.createSelectorQuery().in(this) 会报错__route__未定义 https://ask.dcloud.net.cn/question/140192
uni.createSelectorQuery().in(instance).select('#uapopup-' + id).fields({
size: true,
}, data => {
resolve(data)
}).exec()
})
}
// 自适应坐标点
const getPos = (x, y, ow, oh, winW, winH) => {
let l = (x + ow) > winW ? x - ow : x
let t = (y + oh) > winH ? y - oh : y
return [l, t]
}
onMounted(() => {
if(props.modelValue) {
open()
}
})
watch(() => props.modelValue, (val) => {
// console.log(val)
if(val) {
open()
}else {
close()
}
})
defineExpose({
open,
close
})
</script>

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<view v-if="voicePanelEnable" class="uv3__voicepanel-popup">
<view class="uv3__voicepanel-body flexbox flex-col">
<view v-if="!voiceToTransfer" class="uv3__voicepanel-transfer">
<view class="animtips flexbox" :class="voiceType == 2 ? 'left' : voiceType == 3 ? 'right' : null"><Waves :lines="[2, 3].includes(voiceType) ? 10 : 20" /></view>
<view class="icobtns flexbox">
<view class="vbtn cancel flexbox flex-col" :class="{'hover': voiceType == 2}" @click="handleVoiceCancel"><text class="vicon uv3-icon uv3-icon-close"></text></view>
<view class="vbtn word flexbox flex-col" :class="{'hover': voiceType == 3}"><text class="vicon uv3-icon uv3-icon-word"></text></view>
</view>
</view>
<view v-if="voiceToTransfer" class="uv3__voicepanel-transfer result fail">
<view class="animtips flexbox"><uni-icons type="info-filled" color="#fff" size="20"></uni-icons><text class="c-fff">未识别到文字</text></view>
<view class="icobtns flexbox">
<view class="vbtn cancel flexbox flex-col" @click="handleVoiceCancel"><text class="vicon uv3-icon uv3-icon-chexiao"></text>取消</view>
<view class="vbtn word flexbox flex-col"><text class="vicon uv3-icon uv3-icon-audio"></text>发送原语音</view>
<view class="vbtn check flexbox flex-col"><text class="vicon uv3-icon uv3-icon-duigou"></text></view>
</view>
</view>
<view class="uv3__voicepanel-cover">
<image v-if="!voiceToTransfer" src="/static/voice_bg.webp" :webp="true" mode="widthFix" style="width: 100%;" />
</view>
<view v-if="!voiceToTransfer" class="uv3__voicepanel-tooltip">{{voiceTypeMap[voiceType]}}</view>
<view v-if="!voiceToTransfer" class="uv3__voicepanel-fixico"><text class="uv3-icon uv3-icon-audio fs-50"></text></view>
</view>
</view>

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