290144e9
 易尊强
第一次
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<template>
<view class="ncc-tree-select">
<u-input type="select" :select-open="selectShow" v-model="innerValue" :placeholder="placeholder"
@click="openSelect"></u-input>
<tree-select v-model="selectShow" @confirm="selectConfirm" :default-value="defaultValue" :options="options"
:multiple="multiple" :lastLevel="lastLevel" :lastLevelKey="lastLevelKey" :lastLevelValue="lastLevelValue" :props="props">
</tree-select>
</view>
</template>
<script>
import treeSelect from './tree-select';
export default {
name: 'ncc-tree-select',
model: {
prop: 'value',
event: 'input'
},
components: {
treeSelect
},
props: {
value: {
default: ''
},
options: {
type: Array,
default: () => []
},
placeholder: {
type: String,
default: '请选择'
},
props: {
type: Object,
default: () => ({
label: 'fullName',
value: 'id',
children: 'children'
})
},
disabled: {
type: Boolean,
default: false
},
multiple: {
type: Boolean,
default: false
},
// 只能选择最后一层的数值
lastLevel: {
type: Boolean,
default: false
},
// 只能选择最后一层的数值时，需要根据lastLevelKey来判断是否最后一层
lastLevelKey: {
type: String,
default: "hasChildren"
},
lastLevelValue: {
default: false
},
},
data() {
return {
selectShow: false,
innerValue: '',
defaultValue: []
}
},
watch: {
options() {
this.setDefault()
},
value(val) {
this.setDefault()
}
},
created() {
this.setDefault()
},
methods: {
setDefault() {
if (!this.value || !this.options.length) return this.innerValue = ''
const value = this.value.split(',')
let label = ''
const loop = (value, list) => {
for (let i = 0; i < list.length; i++) {
let item = list[i]
if (value === item[this.props.value]) {
label += (!label ? '' : ',') + item[this.props.label]
break
}
if (item.children && Array.isArray(item.children) && item.children.length) {
loop(value, item.children)
}
}
}
for (let i = 0; i < value.length; i++) {
loop(value[i], this.options)
}
this.innerValue = label
this.defaultValue = value
},
openSelect() {
if (this.disabled) return
this.selectShow = true
},
selectConfirm(e) {
let label = ''
let value = []
for (let i = 0; i < e.length; i++) {
label += (!label ? '' : ',') + e[i][this.props.label]
value.push(e[i][this.props.value])
}
this.defaultValue = value
this.innerValue = label
this.$emit('input', value.join())
this.$emit('change', e)
}
}
}
</script>
<style lang="scss" scoped>
.ncc-tree-select {
width: 100%;
}
</style>
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