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##The operating environment of this tutorial: windows7 system, uni-app2.5.1 version, thinkpad t480 computer.Uniapp implements long press deletion method: use the component to confirm deletion, the code is [this.Loop = setTimeout(function() {uni.showModal({title: 'Delete',content: 'Would you like to delete this article? Message?',].
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Uniapp's method of long press deletion:
1. View code
<view class="imgShow" v-for="(item,index) in list" :key="index"> <image :src="item.image_path" @touchstart.prevent="touchstart(index)" @touchend.prevent="touchend"></image> </view>
2. Script code
touchstart(index) { let that = this; clearInterval(this.Loop); //再次清空定时器,防止重复注册定时器 this.Loop = setTimeout(function() { uni.showModal({ title: '删除', content: '请问要删除本条消息吗?', success:async function(res) { if (res.confirm) { var id = that.list[index].id let data = await that.$http.post('api/shop/shop_qualification_image/delete',{ 'id':id, }).then(function(data){ console.log('用户点击确定') }).catch(function(data){}); } else if (res.cancel) { console.log('用户点击取消') } } }); }.bind(this), 1000); }, touchend() { clearInterval(this.Loop); },
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