42.在路由规则中定义参数.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="./lib/vue.js"></script>
    <script src="./lib/vue-router.js"></script>
</head>
<body>
    <div id="app">
        <!--如果在路由中使用查询字符串，给路由传递参数，则不需要路由规则的path属性-->
        <router-link to='/login?id=10&name=哈哈'>
            登陆
        </router-link>

        <router-link to="/register">
            注册
        </router-link>
        <router-view>
            
        </router-view>
    </div>
    

    <script>
        var login= {
            template: '<h1>登陆 {{$route.query.id}}  {{$route.query.name}}</h1>',
            data(){
                return {

                }
            },
            created() { //组件生命周期钩子函数
                console.log(this.$route.query.id) 
            },
        }
        var register = {
            template: '<h1>注册</h1>'
        }
        var router = new VueRouter({
            routes: [
                { path: '/login', component: login },
                { path: '/register', component: register }
            ]
        })
        var vm = new Vue({
            el : '#app',
            data: {

            },
            methods: {
                
            },
            router, 
        })
      
    </script>
</body>
</html>