text: const httpRequest = require('../utils/httpRequest')
  
  exports.callWxOpenApi = function({ apiName, requestData } = {}) {
    try {
      requestData = requestData ? JSON.stringify(requestData) : ''
    } catch (e) {
      throw Error(e)
    }
  
    const params = {
      action: 'wx.api',
      apiName,
      requestData
    }
  
    return httpRequest({
      config: this.config,
      params,
      method: 'post',
      headers: {
        'content-type': 'application/json'
      }
    }).then(res => {
      if (res.code) {
        return res
      } else {
        let result
        try {
          result = JSON.parse(res.data.responseData)
        } catch (e) {
          result = res.data.responseData
        }
        return {
          result,
          requestId: res.requestId
        }
      }
    })
  }
  
  /**
   * 调用wxopenAPi
   * @param {String} apiName  接口名
   * @param {Buffer} requestData
   * @return {Promise} 正常内容为buffer，报错为json {code:'', message:'', resquestId:''}
   */
  exports.callCompatibleWxOpenApi = function({ apiName, requestData } = {}) {
    const params = {
      action: 'wx.openApi',
      apiName,
      requestData
    }
  
    return httpRequest({
      config: this.config,
      params,
      method: 'post',
      headers: {}
    }).then(res => res)
  }
  