pages/sub_index/scanView.vue

<template>
	<view>
		<view class="status_bar"></view>
		<web-view :webview-styles="webviewStyles" :src="src"></web-view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				src: "",
				webviewStyles: {
					progress: {
						color: '#2B9939'
					}
				},
				userid: ""
			}
		},
		onLoad(option) {
			let that = this
			let userid = uni.getStorageSync("userid")
			//that.userid = userid
			let url = option.url
			// if (url.indexOf("?") > 0) {
			// 	url = url + "&userid=" + userid
			// } else {
			// 	url = url + "?userid=" + userid
			// }
			console.log(url)
			that.src = url
		},
		onBackPress(options) {
			uni.reLaunch({
				url: '/pages/sub_tabbar/index'
			})
			return true
		},
		onReady() {
			let that = this
			let userid = uni.getStorageSync("userid")
			var pages = getCurrentPages()
			var page = pages[pages.length - 1]
			var currentWebview = page.$getAppWebview()
			var url = currentWebview.children()[0].getURL()
			var wx = currentWebview.children()[0]
			wx.addEventListener('loaded', function(e) {
				let newUrl = wx.getURL()
				if (newUrl.indexOf("userid") > -1) {
					//console.log(1)
					return false
				}
				if (newUrl.indexOf("?") > 0) {
					newUrl = newUrl + "&userid=" + userid
				} else {
					newUrl = newUrl + "?userid=" + userid
				}
				that.src = newUrl
			}, false);
		},
	}
</script>

<style scoped lang="scss">


</style>