taro3.x: navigateBack带参数

带参数：

const pages: any = getCurrentPages()
                    const prevPage: any = pages[pages.length - 2]
                    prevPage.setData({
                        isSync: true
                    })
                    Taro.navigateBack({
                        delta: 1
                    })

获取参数：

useDidShow(() => {
    
    const pages: any = getCurrentPages()
    const currPageData: any = pages[pages.length - 1].data
    const isSync = currPageData.isSync
    if (isSync) {
      setShowConfirm(true)
    }
  })