{
  "type": "qrcode",
  "qrcode_file": "/path/to/qrcode.png",
  "qrcode": "weixin://wxpay/bizpayurl?pr=abc123"
}

{
  "type": "jump",
  "url": "https://example.com/payment"
}

{
  "type": "html",
  "content": "<form action='https://payment.com/pay'>....</form>"
}

{
  "type": "pay_page"
}

{
  "type": "tip_success",
  "content": "支付已完成，感谢您的购买！"
}