vue-resource拦截器实现loading...

/** * sittings vue * 1.Be sure to import vue.js and vue-resource * 2.this example used layer.js,you should import it * 3.create common js import to your page * 4.if you show loading in iframe plaese remove top */Vue.http.interceptors.push((request, next) => {    //request.headers.set('token', token); //setting request.headers    const layer = top.layer.load(); //show loading....    next((response) => {        top.layer.close(layer); //get data after hide loading....        return response    })})