//获取热门商品列表数据
async getGoodsList(callBack){
	const res = await this.$myRequest({
		url:'/public/v1/goods/search',
		data:{
			pagenum: this.pagenum,//当前页数
			pagesize: this.pagesize//每页显示条数
		}
	})
	this.total = res.data.message.total//总条数
	this.goods = [...this.goods,...res.data.message.goods]//追加新数据
	callBack && callBack()
},
//初次加载触发
onLoad(){
	this.getGoodsList()
},
//触底后触发
onReachBottom(){
	if(this.goods.length == this.total) return this.flag = true//如果数组长度等于总条数 显示“我是有底线的”
	this.pagenum++
	this.getGoodsList()
},
//监听下拉刷新
onPullDownRefresh(){
	this.pagenum = 1
	this.goods = []
	this.flag = false
	this.getGoodsList(()=>{
		uni.stopPullDownRefresh()//停止下拉刷新动画
	})
},