Method getMsgImg

src/core.js:825–849

(msgId)

  }

  getMsgImg (msgId) {
    return Promise.resolve().then(() => {
      let params = {
        MsgID: msgId,
        skey: this.PROP.skey,
        type: 'big'
      }

      return this.request({
        method: 'GET',
        url: this.CONF.API_webwxgetmsgimg,
        params: params,
        responseType: 'arraybuffer'
      }).then(res => {
        return {
          data: res.data,
          type: res.headers['content-type']
        }
      })
    }).catch(err => {
      debug(err)
      err.tips = '获取图片或表情失败'
      throw err
    })
  }

  getVideo (msgId) {
    return Promise.resolve().then(() => {