city-select.vue
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<template>
<u-popup v-model="value" mode="bottom" :popup="false" :mask="true" :closeable="true" :safe-area-inset-bottom="true"
:z-index="uZIndex" :maskCloseAble="maskCloseAble" @close="close">
<u-tabs v-if="value" :list="genTabsList" :is-scroll="true" :current="tabsIndex" @change="tabsChange" ref="tabs">
</u-tabs>
<view class="area-box">
<view class="u-flex" :class="{ 'shift-25':isShift25,'shift-50':isShift50 }">
<view class="area-item" :class="{ 'level1':level===0 }">
<view class="u-padding-10 u-bg-gray" style="height: 100%;">
<scroll-view :scroll-y="true" style="height: 100%">
<u-cell-group>
<u-cell-item v-for="(item,index) in provinces" :title="item[props.label]" :arrow="false"
:index="index" :key="index" @click="provinceChange">
<template slot="right-icon">
<u-icon v-if="isChooseP&&province===index" size="34" name="checkbox-mark">
</u-icon>
</template>
</u-cell-item>
</u-cell-group>
</scroll-view>
</view>
</view>
<view class="area-item">
<view class="u-padding-10 u-bg-gray" style="height: 100%;">
<scroll-view :scroll-y="true" style="height: 100%">
<u-cell-group v-if="isChooseP">
<u-cell-item v-for="(item,index) in citys" :title="item[props.label]" :arrow="false"
:index="index" :key="index" @click="cityChange">
<template slot="right-icon">
<u-icon v-if="isChooseC&&city===index" size="34" name="checkbox-mark"></u-icon>
</template>
</u-cell-item>
</u-cell-group>
</scroll-view>
</view>
</view>
<view class="area-item">
<view class="u-padding-10 u-bg-gray" style="height: 100%;">
<scroll-view :scroll-y="true" style="height: 100%">
<u-cell-group v-if="isChooseC">
<u-cell-item v-for="(item,index) in areas" :title="item[props.label]" :arrow="false"
:index="index" :key="index" @click="areaChange">
<template slot="right-icon">
<u-icon v-if="isChooseA&&area===index" size="34" name="checkbox-mark"></u-icon>
</template>
</u-cell-item>
</u-cell-group>
</scroll-view>
</view>
</view>
<view class="area-item">
<view class="u-padding-10 u-bg-gray" style="height: 100%;">
<scroll-view :scroll-y="true" style="height: 100%">
<u-cell-group v-if="isChooseA">
<u-cell-item v-for="(item,index) in streets" :title="item[props.label]" :arrow="false"
:index="index" :key="index" @click="streetChange">
<u-icon v-if="isChooseS&&area===index" slot="right-icon" size="34"
name="checkbox-mark"></u-icon>
</u-cell-item>
</u-cell-group>
</scroll-view>
</view>
</view>
</view>
</view>
</u-popup>
</template>
<script>
import {
getProvinceSelector
} from '@/api/common.js'
/**
* city-select 省市区级联选择器
* @property {String Number} z-index 弹出时的z-index值（默认1075）
* @property {Boolean} mask-close-able 是否允许通过点击遮罩关闭Picker（默认true）
*/
export default {
name: 'city-select',
props: {
// 通过双向绑定控制组件的弹出与收起
value: {
type: Boolean,
default: false
},
level: {
type: Number,
default: 2
},
defaultValue: {
type: Array,
default () {
return [];
}
},
props: {
type: Object,
default: () => ({
label: 'fullName',
value: 'id'
})
},
// 是否允许通过点击遮罩关闭Picker
maskCloseAble: {
type: Boolean,
default: true
},
// 弹出的z-index值
zIndex: {
type: [String, Number],
default: 0
}
},
data() {
return {
cityValue: "",
isChooseP: false, //是否已经选择了省
province: 0, //省级下标
provinces: [],
isChooseC: false, //是否已经选择了市
city: 0, //市级下标
citys: [],
isChooseA: false, //是否已经选择了区
area: 0, //区级下标
areas: [],
isChooseS: false, //是否已经选择了街道
street: 0, //街道下标
streets: [],
tabsIndex: 0
}
},
watch: {
value: {
immediate: true,
handler(val) {
if (val) setTimeout(() => this.setDefaultValue(), 10);
}
},
},
mounted() {
this.init();
},
computed: {
isShift25() {
return this.tabsIndex === 2;
},
isShift50() {
return this.tabsIndex > 2;
},
genTabsList() {
let tabsList = [{
name: "请选择"
}];
if (this.isChooseP) {
tabsList[0]['name'] = this.provinces[this.province][this.props.label];
if (this.level > 0) {
tabsList[1] = {
name: "请选择"
};
}
}
if (this.isChooseC) {
tabsList[1]['name'] = this.citys[this.city][this.props.label];
if (this.level > 1) {
tabsList[2] = {
name: "请选择"
};
}
}
if (this.isChooseA) {
tabsList[2]['name'] = this.areas[this.area][this.props.label];
if (this.level > 2) {
tabsList[3] = {
name: "请选择"
};
}
}
if (this.isChooseS) {
tabsList[3]['name'] = this.streets[this.street][this.props.label];
}
return tabsList;
},
uZIndex() {
// 如果用户有传递z-index值，优先使用
return this.zIndex ? this.zIndex : this.$u.zIndex.popup;
}
},
methods: {
init() {
getProvinceSelector('-1').then(res => {
this.provinces = res.data.list
this.setDefaultValue()
})
},
setDefaultValue() {
if (!this.defaultValue.length) return
this.setProvince("", this.defaultValue[0])
},
setProvince(label = "", value = "") {
this.provinces.map((v, k) => {
if (value ? v[this.props.value] == value : v[this.props.label] == label) {
this.isChooseP = true;
this.province = k;
if (this.level === 0) return this.setValue(true)
getProvinceSelector(this.provinces[k][this.props.value]).then(res => {
this.citys = res.data.list;
if (this.level >= 1) this.setCity("", this.defaultValue[1])
})
}
})
},
setCity(label = "", value = "") {
this.citys.map((v, k) => {
if (value ? v[this.props.value] == value : v[this.props.label] == label) {
this.isChooseC = true;
this.city = k;
if (this.level === 1) return this.setValue(true)
getProvinceSelector(this.citys[k][this.props.value]).then(res => {
this.areas = res.data.list;
if (this.level >= 2) this.setArea("", this.defaultValue[2])
})
}
})
},
setArea(label = "", value = "") {
this.areas.map((v, k) => {
if (value ? v[this.props.value] == value : v[this.props.label] == label) {
this.isChooseA = true;
this.area = k;
if (this.level === 2) return this.setValue(true)
getProvinceSelector(this.areas[k][this.props.value]).then(res => {
this.streets = res.data.list;
if (this.level === 3) this.setStreet("", this.defaultValue[3])
})
}
})
},
setStreet(label = "", value = "") {
this.streets.map((v, k) => {
if (value ? v[this.props.value] == value : v[this.props.label] == label) {
this.isChooseS = true;
this.street = k;
this.setValue(true)
}
})
},
close() {
this.$emit('input', false);
},
tabsChange(index) {
this.tabsIndex = index;
},
provinceChange(index) {
this.isChooseP = true;
this.isChooseC = false;
this.isChooseA = false;
this.isChooseS = false;
this.province = index;
if (this.level === 0) return this.setValue()
this.tabsIndex = 1;
getProvinceSelector(this.provinces[index][this.props.value]).then(res => {
this.citys = res.data.list;
})
},
cityChange(index) {
this.isChooseC = true;
this.isChooseA = false;
this.isChooseS = false;
this.city = index;
if (this.level === 1) return this.setValue()
this.tabsIndex = 2;
getProvinceSelector(this.citys[index][this.props.value]).then(res => {
this.areas = res.data.list;
})
},
areaChange(index) {
this.isChooseA = true;
this.isChooseS = false;
this.area = index;
if (this.level === 2) return this.setValue()
this.tabsIndex = 3;
getProvinceSelector(this.areas[index][this.props.value]).then(res => {
this.streets = res.data.list;
})
},
streetChange(index) {
this.isChooseS = true;
this.street = index;
this.setValue()
},
setValue(isInit = false) {
if (isInit) this.tabsIndex = this.level
let result = []
for (let i = 0; i < this.level + 1; i++) {
if (i === 0) result.push({
value: this.provinces[this.province][this.props.value],
label: this.provinces[this.province][this.props.label]
})
if (i === 1) result.push({
value: this.citys[this.city][this.props.value],
label: this.citys[this.city][this.props.label]
})
if (i === 2) result.push({
value: this.areas[this.area][this.props.value],
label: this.areas[this.area][this.props.label]
})
if (i === 3) result.push({
value: this.streets[this.street][this.props.value],
label: this.streets[this.street][this.props.label]
})
}
this.$emit('city-change', result);
if (!isInit) this.close()
}
}
}
</script>
<style lang="scss" scoped>
.u-tabs {
padding-right: 80rpx;
}
.area-box {
width: 100%;
overflow: hidden;
height: 800rpx;
>view {
width: 200%;
transition: transform 0.3s ease-in-out 0s;
transform: translateX(0);
&.shift-25 {
transform: translateX(-25%);
}
&.shift-50 {
transform: translateX(-50%);
}
}
.area-item {
width: 50%;
height: 800rpx;
&.level1 {
width: 150%;
}
}
}
</style>