const cheerio = require('cheerio')

class utils {
  cheerioLoad(html) {
    return cheerio.load(html)
  }

  JsonData (params) {
    params.res.json({
      status: params.status,
      data: params.data
    })
  }

  getUrlParam (path,name) {
    path = "?"+path.split("?")[1]
    var reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)');
    var r = path.substr(1).match(reg);
    if (r != null) return decodeURIComponent(r[2]); return null;
  }
}

module.exports = new utils()