axios全局请求参数设置,请求及返回拦截器的方法

axios.interceptors.request.use(		config => {			var xtoken = getXtoken()			if(xtoken != null){				config.headers['X-Token'] = xtoken			}			if(config.method=='post'){				config.data = {					...config.data,					_t: Date.parse(new Date())/1000,				}			}else if(config.method=='get'){				config.params = {					_t: Date.parse(new Date())/1000,					...config.params				}			}			return config		},function(error){			return Promise.reject(error)		}	)axios.interceptors.response.use(function (response) {	// token 已过期，重定向到登录页面	if (response.data.code == 4){		localStorage.clear()		router.replace({            path: '/signin',            query: {redirect: router.currentRoute.fullPath}          })	}	return response}, function (error) {	// Do something with response error	return Promise.reject(error)})