62、浏览器存储

cookie

// 写入cookie
    setCookie (name, value) {
      var Days = 30;
      var exp = new Date();
      exp.setTime(exp.getTime() + Days * 24 * 60 * 60 * 1000);
      document.cookie = name + "=" + escape(value) + ";expires=" + exp.toGMTString();
    },
    // 读取cookie
    getCookie (name) {
      var arr, reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)");
      if (arr = document.cookie.match(reg))
        return unescape(arr[2]);
      else
        return null;
    },
    // 删除cookie
    delCookies (name) {
      var exp = new Date();
      exp.setTime(exp.getTime() - 1);
      var cval = this.getCookie(name);
      if (cval != null)
        document.cookie = name + "=" + cval + ";expires=" + exp.toGMTString();
    },