编程式导航

编程式导航就是通过js来实现路由跳转

this.$router.push("/login");

this.$router.push({ name:'user' , params: {id:123} });

this.$router.push({ path:"/login" });

this.$router.push({ path:"/login",query:{username:"jack"} });

this.$router.go( n );//n为数字  负数为回退