uni-app $scope找不到

这里是源码（TS）
<template>
<view class="bim_body">
<u-navbar :title="newsTitle" title-color="#fff" back-icon-color="#ffffff" :background="{ 'background-color': '#010B14'}" back-icon-name="arrow-left" :custom-back="onClickContract" back-icon-size="32">
<view class="navbar-right" slot="right">
<view class=“dot-box right-item” @click=“onClickShare”>
<u-icon name="share-fill" size="32"></u-icon>
</view>
</view>
</u-navbar>
<web-view v-if="bimUrl" :src="bimUrl" :webview-styles="webviewStyles"></web-view>
</view>
</template>

<script lang="ts"> import Vue from "vue"; import { Component } from "vue-property-decorator"; import { StorageHelper } from '@/utils/storage'; import { ZNConfig } from "@/config/ZNConfig"; [@Component](/user/Component)({ components: { } }) export default class ShowWeb extends Vue{ // private bimUrl:string = "https://www.jianshu.com/p/90d53c791c42"; private webviewStyles:any ={ progress: { color: '#FF3333' } } private bimUrl:string = ""; private newsTitle:string = ""; private shareDesc:string = ""; private shareImg:string = ""; private show:boolean = false; private actionBarHeight:number = 60; onLoad(opt:any){ this.bimUrl = decodeURIComponent(opt.url); if(opt.title){ this.newsTitle = opt.title.substring(0,opt.title.length>8?7:opt.title.length); } if(opt.desc){ this.shareDesc = opt.desc; } if(opt.imgUrl){ this.shareImg = opt.imgUrl; } } private onClickContract(){ uni.navigateBack({}); } onShow() { // #ifdef APP-PLUS setTimeout(()=> { let that = this; let height = 0; //定义动态的高度变量，如高度为定值，可以直接写 let statusBarHeight = 0; uni.getSystemInfo({ //成功获取的回调函数，返回值为系统信息 success: (sysinfo:any) => { height = sysinfo.windowHeight - that.actionBarHeight - sysinfo.statusBarHeight; //自行修改，自己需要的高度 statusBarHeight = sysinfo.statusBarHeight; }, complete: () => {} }); // var currentWebview = this.$mp.page.$getAppWebview(); // var currentWebview = this.$parent.$scope.$getAppWebview() let scopWeb = this.$scope; //获取当前web-view console.log("==== ",scopWeb) let currentWebview:any = this.$scope.$getAppWebview(); //获取当前web-view let wv = currentWebview.children()[0]; wv.setStyle({ //设置web-view距离顶部的距离以及自己的高度，单位为px top: statusBarHeight+that.actionBarHeight, height: height }) }, 500); //如页面初始化调用需要写延迟 // #endif } private onClickShare(){ uni.share({ provider: "weixin", scene: "WXSceneSession", type: 0, href: this.bimUrl, title:this.newsTitle?this.newsTitle:"科研设计中心app-新闻分享", summary: this.shareDesc?this.shareDesc:"我正在使用[科研设计中心]app，赶紧跟我一起来体验！", imageUrl: this.shareImg?this.shareImg:"https://bjetxgzv.cdn.bspapp.com/VKCEYUGU-uni-app-doc/d8590190-4f28-11eb-b680-7980c8a877b8.png", success: function (res) { uni.showToast({ title:"分享成功", icon:"none" }) }, fail: function (err) { uni.showToast({ title:"分享失败", icon:"none" }) } }); } } </script> <style lang="scss" scoped> .bim_body{ position: absolute; width: 100%; height: 100%; } .navbar-right { margin-right: 24rpx; display: flex; } .right-item { margin: 0 12rpx; position: relative; color: #ffffff; display: flex; } </style>