参考a-level
competitionFilterCover
1.容器：position: absolute;
top: 100vh;
animation: moveon 0.5s forwards;
2.添加属性：hideAnimate
3.
class="root {{hideAnimate ? 'rootHide' : ''}}"
class="whiteContent {{hideAnimate ? 'contentHide' :''}}"
4.
hideSelf(){
this.setData({
hideAnimate: true
})
setTimeout(() => {
this.setData({
show: false
})
}, 400);
},
标签：modal,程序,hideAnimate,class,弹窗,setData From： https://www.cnblogs.com/tufei7/p/16807383.html