~~~ //page data: { topMore:0, bottomMore:0 }, onPullDownRefresh: function () { this.setData({ topMore:Math.random() }) }, onReachBottom(){ this.setData({ bottomMore:Math.random() }) } ~~~ ~~~ //子组件 properties: { topMore:{ type:Number, observer:"onPull", }, bottomMore:{ type:Number, observer:"onBottom" } }, //子更新则会触发observer函数 methods: { onPull(){ console.log(1); }, onBottom(){ console.log(2); } } ~~~