web-test/src/store/user/mutations.js

const jwt = require('jsonwebtoken');
export const setUser = (state, payload) => {
  let res = true;
  //登陆时
  if (payload) {
    state.token = payload;
  } else {
    //已经登陆,切换路由时取出用户信息放在总store中
    let token = localStorage.getItem('token');
    if (token && token !== 'guest') {
      state.user = jwt.decode(token);
    } else if (token && token == 'guest') {
      let user = localStorage.getItem('user');
      state.user = JSON.parse(user);
    } else {
      let timestamp = new Date().getTime();
      let user = {
        // id: `guest${timestamp}`,
        name: `游客${timestamp}`,
      };
      state.user = user;
      localStorage.setItem('token', 'guest');
      localStorage.setItem('user', JSON.stringify(user));
      console.warn('游客身份');
    }
  }
  return res;
};

export const deleteUser = (state, payload) => {
  state.user = {};
  localStorage.removeItem('user');
};