057——VUE中vue-router之路由参数默认值的设置

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>vue-router之路由参数默认值的设置</title>
    <script src="vue.js"></script>
    <script src="vue-router.js"></script>
</head>
<body>
<div id="demo">
    <router-link to="/content">链接</router-link>
    <router-view></router-view>
</div>
<script type="text/x-template" id="content">
    <div>
        id:{{id}}
    </div>
</script>
<script>
    const content = {
        template: "#content",
        data() {
            return {
                id:0
            }
        },
        mounted() {
            this.id = this.$route.params.id;
            if (!this.id) {
                this.id = 1;
            }
        }
    }
    let routes=[
        {path:'/content/:id?',component:content}
    ]
    let router=new VueRouter({routes});
    new Vue({
        el:"#demo",
        router
    });
</script>
</body>
</html>

  

原文地址:https://www.cnblogs.com/yiweiyihang/p/8303322.html