<div
class="catalogue"
:class="catalogue_index === i ? 'active' : ''"
v-for="(item, i) in ppt_list"
:key="i"
@click="choice_catalogue(item.id,i)"
></div>
<div class="PPT-item" :class="'PTX_Ex_'+item.id" v-for="(item, index) in ppt_list" :key="index"></div>
choice_catalogue(id,i) {
this.catalogue_index = i;
console.log(i);
this.esc_mask()
uni.createSelectorQuery().select(".PTX_Ex_" + id).boundingClientRect((data) => {
uni.createSelectorQuery().select(".PPT-container").boundingClientRect((res) => {
uni.pageScrollTo({
duration: 400,
scrollTop: data.top,
});
console.error('',data.top,res.top);
}).exec();
}).exec();
},