跨域

                    axios({
                        method: 'get',
                        url: 'http://localhost:8088/test',
                        withCredentials: true,
                    })
                    .then(function (res) {
                        console.log(res)
                    })

服务端
app.get('/test', function (req, res) {
// var page = req.query.page ? parseInt(req.query.page) : 1;
res.setHeader("Access-Control-Allow-Origin", "http://localhost:8080");
res.setHeader("Access-Control-Allow-Credentials", true);
res.send("success");
});