Files
hello-vue/demo.vue
2019-01-12 17:19:20 +08:00

50 lines
1.1 KiB
Vue

<template>
<div>
<ul>
<li v-for="(item,index) in lists"
@click="choose(index)"
:class="{active: index == current && current!== ''}"
:key="index">
{{item}}
</li>
</ul>
<button type="button" @click="add()">选择</button>
<ul>
<li v-for="(item,index) in target"
:key="index">
{{item}}
</li>
</ul>
</div>
</template>
<script>
export default {
name: "demo.vue",
methods: {
choose(index) {
this.current = index
// console.log(index)
},
add() {
if (this.current === '') return
this.target.push(this.lists[this.current])
this.current = ''
}
},
data() {
return {
current: '',
lists: [1, 2, 3, 4, 5, 6, 7, 8, 9],
target: []
}
}
}
</script>
<style scoped>
li.active {
background: beige;
}
</style>