springboot + vue 前后端分离 session获取值为null问题

vue axios中加上这段代码

axios.defaults.withCredentials = true;

完整代码

Vue.prototype.$axios = axios;
axios.defaults.withCredentials = true;
//全局拦截器，每个请求都会被拦截
axios.interceptors.request.use( config => {
  config.headers.token = "aaa"
  config.baseURL = "http://localhost:8081/"
  return config;
})