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99 lines
2.6 KiB
99 lines
2.6 KiB
<!-- 省市区三级联动 -->
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<template>
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<view class="area-selector">
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<uv-picker ref="picker" :columns="addressList" :loading="loading" keyName="name" @change="change"
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@confirm="confirm">
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</uv-picker>
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<button @click="open">打开</button>
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</view>
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</template>
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<script>
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export default {
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name: "AreaSelector",
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data() {
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loading: true,
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provinces: [], //省
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citys: [], //市
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areas: [], //区
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pickerValue: [0, 0, 0],
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defaultValue: [3442, 1, 2]
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},
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onShow() {
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this.getData();
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},
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computed: {
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addressList() {
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return [this.provinces, this.citys, this.areas];
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}
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},
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methods: {
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getData() {
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uni.request({
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method: 'GET',
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url: '/static/uvui/example/regions.json',
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success: res => {
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const {
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statusCode,
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data
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} = res
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if (statusCode === 200) {
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console.log('获取的数据：', res);
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this.provinces = data.sort((left, right) => (Number(left.code) > Number(right
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.code) ? 1 : -1));
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console.log(this.provinces)
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this.handlePickValueDefault()
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setTimeout(() => {
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this.loading = false
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}, 200)
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}
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}
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})
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},
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handlePickValueDefault() {
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// 设置省
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this.pickerValue[0] = this.provinces.findIndex(item => Number(item.id) === this.defaultValue[0]);
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// 设置市
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this.citys = this.provinces[this.pickerValue[0]]?.children || [];
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this.pickerValue[1] = this.citys.findIndex(item => Number(item.id) === this.defaultValue[1]);
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// 设置区
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this.areas = this.citys[this.pickerValue[1]]?.children || [];
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this.pickerValue[2] = this.areas.findIndex(item => Number(item.id) === this.defaultValue[2]);
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// 重置下位置
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this.$refs.picker.setIndexs([this.pickerValue[0], this.pickerValue[1], this.pickerValue[2]], true);
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},
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change(e) {
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if (this.loading) return;
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const {
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columnIndex,
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index,
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indexs
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} = e
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// 改变了省
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if (columnIndex === 0) {
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this.citys = this.provinces[index]?.children || []
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this.areas = this.citys[0]?.children || []
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this.$refs.picker.setIndexs([index, 0, 0], true)
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} else if (columnIndex === 1) {
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this.areas = this.citys[index]?.children || []
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this.$refs.picker.setIndexs(indexs, true)
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}
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},
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open() {
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this.$refs.picker.open();
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this.handlePickValueDefault()
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},
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confirm(e) {
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console.log('确认选择的地区：', e);
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uni.showToast({
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icon: 'none',
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title: `${e.value[0].name}/${e.value[1].name}/${e.value[2].name}`
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})
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}
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}
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}
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</script>
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<style lang="scss" scoped>
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.area-selector {}
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</style>
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