在微信小程序中如何实现滚动消息通知

<!--index.wxml-->
<swiper class="swiper_container" vertical="true" autoplay="true" circular="true" interval="1000">
 <block wx:for="{{msgList}}">
 <navigator url="/pages/index/index?title={{item.url}}" open-type="navigate">
 <swiper-item>
 <view class="swiper_item">{{item.title}}</view>
 </swiper-item>
 </navigator>
 </block>
</swiper>

//index.js
//获取应用实例
var app = getApp()
Page({
 data: {
 },
 onLoad(e) {
 console.log(e.title)
 this.setData({
 msgList: [
 { url: "url", title: "多地首套房贷利率上浮 热点城市渐迎零折扣时代" },
 { url: "url", title: "交了20多年的国内漫游费将取消 你能省多少话费？" },
 { url: "url", title: "北大教工合唱团出国演出遇尴尬:被要求给他人伴唱" }]
 });
 }
})

/**index.wxss**/

.swiper_container {
 background-color: red;
 height: 50rpx;
 width: 80vw;
}

.swiper_item {
 font-size: 30rpx;
 overflow: hidden;
 text-overflow: ellipsis;
 white-space: nowrap;
}