Vue异步加载about组件

本文实例为大家分享了vue异步加载about组件的具体代码，供大家参考，具体内容如下

异步加载about组件

about.js

vue.component('about', {template: '<div>about page</div>'}); 

html代码：

<div id="app">
    <router-link to="/home">/home</router-link>
    <router-link to="/about">/about</router-link>
    <router-view></router-view>
  </div>
  <script src="static/js/vue.min.js"></script>
  <script src="static/js/vue-router.js"></script>
  <script>
    function load (componentname, path) {
      return new promise(function (resolve, reject){
        var script = document.createelement('script');
        script.src = path;
        script.async = true;
        script.onload = function () {
          var component = vue.component(componentname);
          if (component) {
            resolve(component);
          } else {
            reject();
          }
        }
        document.body.appendchild(script);
      });
    }
    var router = new vuerouter({
      routes: [{
        path: '/',
        redirect: '/home'
      }, {
        path: '/home',
        component: {
          template: '<div>home page</div>'
        }
      },{
        path: '/about',
        component: function (resolve, reject) {
          load('about', 'static/js/business/about.js').then(resolve, reject);
        }
      }]
    });
    var app = new vue({
      el: '#app',
      router: router
    });
  </script>

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。