支付宝小程序扫描普通二维码获取不到 qrCode 值

[sanonz]

相关平台

支付宝小程序

复现仓库

无
小程序基础库: 2.16.0
使用框架: React

复现步骤

1. 按照此官方文档配置普通二维码：https://opendocs.alipay.com/mini/operation/vzd5v0
2. 扫码普通二维码跳转指定页面通过 useRouter().params.qrCode 代码获取不到对应参数

期望结果

通过 useRouter().params.qrCode 获取对应支付宝小程序参数

实际结果

获取不到

环境信息

👽 Taro v3.3.12


  Taro CLI 3.3.12 environment info:
    System:
      OS: macOS 11.6
      Shell: 5.8 - /bin/zsh
    Binaries:
      Node: 15.14.0 - ~/.nvm/versions/node/v15.14.0/bin/node
      Yarn: 1.22.15 - ~/.nvm/versions/node/v16.0.0/bin/yarn
      npm: 7.20.1 - ~/.nvm/versions/node/v15.14.0/bin/npm
    npmPackages:
      @tarojs/cli: ^3.3.12 => 3.3.12 
      @tarojs/components: ^3.3.12 => 3.3.12 
      @tarojs/mini-runner: ^3.3.12 => 3.3.12 
      @tarojs/react: ^3.3.12 => 3.3.12 
      @tarojs/runtime: ^3.3.12 => 3.3.12 
      @tarojs/taro: ^3.3.12 => 3.3.12 
      @tarojs/webpack-runner: ^3.3.12 => 3.3.12 
      babel-preset-taro: ^3.3.12 => 3.3.12 
      eslint-config-taro: ^3.3.12 => 3.3.12 
      react: ^17.0.2 => 17.0.2

[sanonz]

以下为支付宝扫码普通二维码打开小程序页面过程的日志

日志代码为

console.log(`onLoad: this.$taroParams -> ${this.$taroParams}`)
console.log(`onLoad: Current.router.params -> ${Current.router?.params}`)

onLoad 打印位置为

taro/packages/taro-runtime/src/dsl/common.ts

Lines 100 to 121 in c4169aa

	onLoad (this: MpInstance, options, cb?: Func) {
	perf.start(PAGE_INIT)
	Current.page = this as any
	this.config = pageConfig || {}
	options.$taroTimestamp = Date.now()
	// this.$taroPath 是页面唯一标识，不可变，因此页面参数 options 也不可变
	this.$taroPath = getPath(id, options)
	// this.$taroParams 作为暴露给开发者的页面参数对象，可以被随意修改
	if (this.$taroParams == null) {
	this.$taroParams = Object.assign({}, options)
	}
	const router = isBrowser ? this.$taroPath : this.route || this.__route__
	Current.router = {
	params: this.$taroParams,
	path: addLeadingSlash(router),
	onReady: getOnReadyEventKey(id),
	onShow: getOnShowEventKey(id),
	onHide: getOnHideEventKey(id)
	}

onShow 打印位置为

taro/packages/taro-runtime/src/dsl/common.ts

Lines 163 to 173 in c4169aa

	onShow () {
	Current.page = this as any
	this.config = pageConfig || {}
	const router = isBrowser ? this.$taroPath : this.route || this.__route__
	Current.router = {
	params: this.$taroParams,
	path: addLeadingSlash(router),
	onReady: getOnReadyEventKey(id),
	onShow: getOnShowEventKey(id),
	onHide: getOnHideEventKey(id)
	}

onShow2 打印位置为

taro/packages/taro-runtime/src/dsl/react.ts

Lines 293 to 301 in c4169aa

	onShow: {
	enumerable: true,
	writable: true,
	value (options) {
	const app = ref.current
	Current.router = {
	params: options?.query,
	...options
	}

framework: App onHide
framework: page onHide pages/index/index
framework: App onHide
framework: App onShow
onShow2: this.$taroParams -> undefined
onShow2: Current.router.params -> {qrCode: "https://domain.com/mp/inbox/9ca5db16-c334-4ad5-b029-27a9d9ee99dc"}
framework: page onUnload pages/index/index
framework: page onLoad pages/inboxes/inboxes
onLoad: this.$taroParams -> {$taroTimestamp: 1635739041686}
onLoad: Current.router.params -> {qrCode: "https://domain.com/mp/inbox/9ca5db16-c334-4ad5-b029-27a9d9ee99dc"}
onShow: this.$taroParams -> {$taroTimestamp: 1635739041686}
onShow: Current.router.params -> {$taroTimestamp: 1635739041686}
framework: page onShow pages/inboxes/inboxes
framework:pages/inboxes/inboxes: transfer costs 14ms, render costs 7ms.
framework: page onReady pages/inboxes/inboxes
framework:pages/inboxes/inboxes: transfer costs 20ms, render costs 12ms.
framework:pages/inboxes/inboxes: transfer costs 18ms, render costs 9ms.
framework:pages/inboxes/inboxes: transfer costs 6ms, render costs 29ms.