vue实现对数据进行升序降序排列
单个属性排序:
<template>
<div>
<button type="button" @click="sx()">{{sxpl}}</button>
<button type="button" @click="jx()">{{jxpl}}</button>
<ul>
<li v-for="item in sortedList" :key="item.name">
{{ item.name }} - {{ item.price }}
</li>
</ul>
</div>
</template>
<script>
export default {
data() {
return {
list: [
{ name: '物品1', price: 20 },
{ name: '物品2', price: 50 },
{ name: '物品3', price: 10 },
{ name: '物品4', price: 30 }
],
ascending: false ,// 标记当前是否为升序排序
sxpl:'价格从低到高',
jxpl:'价格从高到低',
descending: false// 标记当前是否为降序排序
};
},
computed: {
sortedList() {
const newList = this.list.slice(); // 克隆一份原始数组
if(this.ascending == false && this.descending == false){
return this.list
}
if(this.ascending == true){
newList.sort((a, b) => (a.price - b.price)); // 使用比较器进行排序
return newList;
}
if(this.descending == true){
newList.sort((a, b) => (b.price - a.price)); // 使用比较器进行排序
return newList;
}
}
},
methods: {
sx(){
this.ascending = !this.ascending
this.descending = false
},
jx(){
this.descending = !this.descending
this.ascending = false
}
}
};
</script>