text: module.exports = {
  
    // 设置cookie
    setCookie(cname, cvalue, exdays) {
      const d = new Date();
      d.setDate(d.getDate() + exdays);
      const expires = `expires=${d.toUTCString()}`;
      document.cookie = `${cname}=${cvalue}; ${expires}; path=/`;
    },
  
    // 获取cookie
    getCookie(cname) {
      const name = `${cname}=`;
      const ca = document.cookie.split(';');
      for (let i = 0; i < ca.length; i += 1) {
        let c = ca[i];
        while (c.charAt(0) === ' ') {
          c = c.substring(1);
        }
        if (c.indexOf(name) !== -1) {
          return c.substring(name.length, c.length);
        }
      }
      return '';
    },
  
    // 清除cookie
    clearCookie(cname) {
      const d = new Date();
      d.setDate(d.getDate() - 10);
      const expires = `expires=${d.toUTCString()}`;
      document.cookie = `${cname}=''; ${expires}; path=/`;
    }
  }
  ;
  