//新建一个local.js的文件
export default {
  get(key) {
    return JSON.parse(localStorage.getItem(key));  //获取
  },
  set(key, val) {
    localStorage.setItem(key, JSON.stringify(val));  //储存
  },
  remove(key) {
    localStorage.removeItem(key);   //删除
  },
  clear() {
    localStorage.clear();   //全部删除
  },
};