vue的路由参数传递和获取路由参数

 {
      name:"Blog",
      component:Blog,
      path:"/blog/:id"
    },

 <div class="box" v-for="(item,i) in getSearch">
        <router-link :to="‘blog/‘+(i+1)">
        <h3>{{item.title}}</h3>
        <p>{{item.body}}</p>
        </router-link>
    </div>

  created() {
    this.$axios
      .get("http://jsonplaceholder.typicode.com/posts/" + this.$route.params.id)
      .then(res => {
        console.log(res);
        this.blog = res.data;
      });
  }