componentDidMount(){
//获取列表数据
this.getListData();
// 下拉刷新
let all = document.documentElement.scrollHeight || document.body.scrollHeight;
let top = document.documentElement.scrollTop || document.body.scrollTop;
let height= document.documentElement.clientHeight || document.body.clientHeight;
window.addEventListener('scroll',()=>{
if(all === top+height){
this.setState({
page: this.state.page +1,
})
this.getListData()
}
},false)
// console.log(this.url)
}
