text: const CacheMaster = {
    //设置缓存
    cacheSave: function (key, value) {
      var localStorage = window.localStorage;
      if (localStorage) {
        localStorage.setItem(key, value);
      }
    },
    //获取缓存
    cacheGet: function (key) {
      var localStorage = window.localStorage;
      if (localStorage) {
        return localStorage.getItem(key);
      }
    }
  }
  export default CacheMaster;