微信小程序开发-全屏动画滚动案例源码.zip

Page({ data: { scrollindex:0, //当前页面的索引值 totalnum:5, //总共页面数 starty:0, //开始的位置x endy:0, //结束的位置y critical: 100, //触发翻页的临界值 margintop:0, //滑动下拉距离 }, onLoad: function () { }, scrollTouchstart:function(e){ let py = e.touches[0].pageY; this.setData({ starty: py }) }, scrollTouchmove:function(e){ let py = e.touches[0].pageY; let d = this.data; this.setData({ endy: py, }) if(py-d.starty<100 && py-d.starty>-100){ this.setData({ margintop: py - d.starty }) } }, scrollTouchend:function(e){ let d = this.data; if(d.endy-d.starty >100 && d.scrollindex>0){ this.setData({ scrollindex: d.scrollindex-1 }) }else if(d.endy-d.starty <-100 && d.scrollindex<this.data.totalnum-1){ this.setData({ scrollindex: d.scrollindex+1 }) } this.setData({ starty:0, endy:0, margintop:0 }) }, })