mounted () {
    this.init()
  },
  methods: {
    init () {
      // 初始化小票
      var initData = {
        action: 'onIframeReady',
        displayStyle: 'SHOW_CUSTOM_PAGE'
      }
      var initPostData = JSON.stringify(initData)
      parent.postMessage(initPostData, 'https://payapp.weixin.qq.com')


      const urlParams = new URLSearchParams(window.location.search)
      // 遍历所有参数
      for (const [key, value] of urlParams.entries()) {
        if (key == 'out_trade_no') {
          this.outTradeNo = value
        }
        if (key == 'channel') {
          this.channel = value
        }
        console.log(`${key}: ${value}`)
      }
      getOrdernew({ outTradeNo: this.outTradeNo, channel: this.channel }).then(res => {
        console.log(res)
        this.orderId = res.data.orderId
        this.payAmount = res.data ? res.data.payAmount / 100 : ''
      })
    },
    handleTo () {
      const url = window.location.origin + '/m-shop/checkResult?out_trade_no=wx_' + this.orderId
      var mchData = {
        action: 'jumpOut',
        jumpOutUrl: url // 跳转的页面
      }
      var postData = JSON.stringify(mchData)
      parent.postMessage(postData, 'https://payapp.weixin.qq.com')
    }
  }