def execute(params)
      params = prepare_params(params)

      Net::HTTP.post_form(URI(@url), params).body
    end
def execute(params)
      params = prepare_params(params)

      Net::HTTP.post_form(URI(@url), params).body
    end
Immediately make a API request to Alipay and return response body.

 Example:

   alipay_client.execute(
     method: 'alipay.data.dataservice.bill.downloadurl.query',
     biz_content: {
       bill_type: 'trade',
       bill_date: '2016-04-01'
     }.to_json(ascii_only: true)
   )
   # => '{ "alipay_data_dataservice_bill_downloadurl_query_response":{...'