index.vue
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<template>
<view class="ncc-city-select">
<u-input type="select" :select-open="selectShow" v-model="innerValue" :placeholder="placeholder"
@click="openSelect"></u-input>
<city-select v-model="selectShow" @city-change="onChange" :level="level" :default-value="defaultValue">
</city-select>
</view>
</template>
<script>
import citySelect from './city-select.vue';
export default {
name: 'ncc-city-select',
model: {
prop: 'value',
event: 'input'
},
components: {
citySelect
},
props: {
value: {
type: Array,
default: () => []
},
placeholder: {
type: String,
default: '请选择'
},
props: {
type: Object,
default: () => ({
label: 'fullName',
value: 'id'
})
},
level: {
type: Number,
default: 2
},
disabled: {
type: Boolean,
default: false
}
},
data() {
return {
selectShow: false,
innerValue: '',
defaultValue: []
};
},
watch: {
value(val) {
this.setDefault()
}
},
created() {
this.setDefault()
},
methods: {
setDefault() {
if (!Array.isArray(this.value) || (Array.isArray(this.value) && !this.value.length)) {
this.innerValue = ''
return
}
this.defaultValue = this.value
},
openSelect() {
if (this.disabled) return
this.selectShow = true
},
onChange(e) {
let label = ''
let value = []
for (let i = 0; i < e.length; i++) {
label += (!label ? '' : '-') + e[i].label
value.push(e[i].value)
}
this.defaultValue = value
this.innerValue = label
this.$emit('input', value)
}
}
};
</script>
<style lang="scss" scoped>
.ncc-city-select {
width: 100%;
}
</style>