vue+element 多个相同的select 不允许重复选择
<template><div class="com_searchAndpageBoxPadding"><div><el-select v-model="value1" placeholder="请选择"><el-option v-for="item in haha" :key="item.id" :label="item.label" :val
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<template>
<div class="com_searchAndpageBoxPadding">
<div>
<el-select v-model="value1" placeholder="请选择">
<el-option v-for="item in haha" :key="item.id" :label="item.label" :value="item.id" :disabled="disabledChoose(item)">
</el-option>
</el-select>
<el-select v-model="value2" placeholder="请选择">
<el-option v-for="item in haha" :key="item.id" :label="item.label" :value="item.id" :disabled="disabledChoose(item)">
</el-option>
</el-select>
<el-select v-model="value3" placeholder="请选择">
<el-option v-for="item in haha" :key="item.id" :label="item.label" :value="item.id" :disabled="disabledChoose(item)">
</el-option>
</el-select>
</div>
</div>
</template>
<script>
export default {
data() {
return {
value1: '',
value2: '',
value3: '',
haha: [{
id: 1,
value: '选项1',
label: '黄金糕'
}, {
id: 2,
value: '选项2',
label: '双皮奶',
disabled: true
}, {
id: 3,
value: '选项3',
label: '蚵仔煎'
}, {
id: 4,
value: '选项4',
label: '龙须面'
}, {
id: 5,
value: '选项5',
label: '北京烤鸭'
}],
}
},
computed: {
disabledChoose(item) {
return function (item) {
let findItemIndex = [this.value1, this.value2, this.value3].findIndex(item2 => item2 == item.id);
console.log('findItemIndex', findItemIndex)
let newArr = [this.value1, this.value2, this.value3].splice(findItemIndex, 1);
console.log('newArr', newArr)
return newArr.includes(item.id);
}
}
},
methods: {
showToggle(item) {
item.isSubShow = !item.isSubShow //需要展开内容,显示与隐藏之间切换
},
toDetail(item) {
this.$router.push('/helpDetails/' + item)
},
},
mounted() {
}
}
</script>
<style lang="scss" src="@/assets/css/card.scss"></style>
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