const cookie = {
    //写cookies 
    setCookie: function(name, value) { 
      //let days = 0.5;
      let exp = new Date();
      exp.setTime(exp.getTime() + 15*60*1000)
  
      // exp.setTime(exp.getTime() + days*24*60*60*1000)
      document.cookie = name + '=' + escape (value) + ';expires=' + exp.toGMTString()
    },
    //读取cookies 
    readCookie: function (name) {
      let arr = null
      let reg = new RegExp('(^| )'+name+'=([^;]*)(;|$)')
      if (document.cookie && (arr = document.cookie.match(reg))) {
        return unescape(arr[2])
      } else {
        return null;
      } 
    }, 
    //删除cookies 
    delCookie: function (name) { 
      let cval = this.readCookie(name);
      var domain = '.igandan.com';
      if (cval!=null) {
        document.cookie = name + '=;expires=' + (new Date(0)).toGMTString()+";path=/;domain="+domain
      }
    }  
  }
  
  export default cookie