<div id='test'>
     <button @click='goTo()'>点击跳转4</button>
 </div>

 goTo(){
    //直接跳转
    this.$router.push('/testDemo');
 
    //带参数跳转
     this.$router.push({path:'/testDemo',query:{setid:123456}});
      this.$router.push({name:'testDemo',params:{setid:111222}});
 }

    let uid = this.$route.query;

    if (uid) {
      this.id = uid.id;
      console.log(this.id);
    }