~~~ // pages/movies/movies-more/movies-more.js var douban = getApp().globalData.doubanUrl; import utils from "../../../utils/utils"; var http = utils.http; var star = utils.star; var sliceTitle = utils.sliceTitle; Page({ data: { start:0, // 定义movies的数据是否为空 isEmpty:true }, /** * 生命周期函数--监听页面加载 */ onLoad: function (options) { var type = options.type; var title = options.title; var url = douban + type; http(url, this.handleData); /* 设置标题 */ wx.setNavigationBarTitle({ title }); this.setData({ type }) }, handleData(res) { var title = res.data.title; var subjects = res.data.subjects; var movies = []; subjects.forEach(ele => { var average = ele.rating.average; var stars = star(ele.rating.stars); var title = sliceTitle(ele.title); var imgUrl = ele.images.small; var id = ele.id; var temp = { average, stars, title, imgUrl, id }; movies.push(temp); }) // isEmpty定义movies是否为空 if(this.data.isEmpty){ this.setData({ movies, title, isEmpty:false }) }else{ this.setData({ movies:this.data.movies.concat(movies) }) } //数据渲染完成关闭 wx.hideLoading(); }, onReachBottom(){ var type = this.data.type; this.data.start+=20; var start = this.data.start; var url = `${douban}${type}?start=${start}&count=20`; http(url,this.handleData); //下拉触发加载 wx.showLoading({ title:"加载数据" }); }, onClick(event){ var id = event.currentTarget.dataset.id; wx.navigateTo({ url: '../movie-detail/movie-detail?id='+id }) } }) ~~~