select-district.vue
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<template>
<u-popup :show="visible" @close="onClose" :round="10" closeable>
<view class="select-district__title">{{ title }}</view>
<view class="select-district__content">
<view class="select-district__tabs">
<view class="select-district__tabs-item" :class="{ active: activeTab === 'province' }" @click="province.code ? '' : checkTab('province')">
<text class="text">{{ t(province, labelKey).input || '请选择' }}</text>
</view>
<view v-if="province" class="select-district__tabs-item" :class="{ active: activeTab === 'city' }" @click="city.code ? '' : checkTab('city')">
<text class="text">{{ t(city, labelKey).input || '请选择' }}</text>
</view>
<view v-if="city" class="select-district__tabs-item" :class="{ active: activeTab === 'area' }" @click="checkTab('area')">
<text class="text">{{ t(area, labelKey).input || '请选择' }}</text>
</view>
</view>
<scroll-view class="select-district__scroll" scroll-y :scroll-top="scrollTop">
<view class="select-district__scroll-item" v-for="(item, index) in activeList" :key="index" @click="checkItem(item)">
<text class="text">{{ item[labelKey] }}</text>
</view>
</scroll-view>
</view>
</u-popup>
</template>
<script>
import t from 'typy';
export default {
name: 'select-district',
props: {
visible: {
type: Boolean
},
title: {
type: String,
default: '选择地址'
},
labelKey: {
type: String,
default: 'name'
},
valueKey: {
type: String,
default: 'code'
},
childrenKey: {
type: String,
default: 'children'
},
list: {
type: Array,
default: () => []
},
value: {
type: Array,
default: () => []
}
},
data: function() {
return {
activeTab: 'province',
province: t(this.value, '0').input,
city: t(this.value, '1').input,
area: t(this.value, '2').input,
scrollTop: 0,
};
},
watch: {
value: function(val) {
this.province = t(val, '0').input;
this.city = t(val, '1').input;
this.area = t(val, '2').input;
if (this.city) {
this.activeTab = 'city';
}
if (this.area) {
this.activeTab = 'area';
}
}
},
computed: {
activeList: function() {
if (this.activeTab === 'province') {
return this.list;
} else if (this.activeTab === 'city') {
const currentProvinceKey = t(this.province, this.valueKey).input;
const match = this.list.find(item => item[this.valueKey] === currentProvinceKey) || {};
return match[this.childrenKey] || [];
} else if (this.activeTab === 'area') {
const currentProvinceKey = t(this.province, this.valueKey).input;
const currentCityMatch = this.list.find(item => item[this.valueKey] === currentProvinceKey) || {};
const currentCityList = currentCityMatch[this.childrenKey] || [];
const currentCityKey = t(this.city, this.valueKey).input;
const match = currentCityList.find(item => item[this.valueKey] === currentCityKey) || {};
return match[this.childrenKey] || [];
}
}
},
methods: {
t,
onClose: function() {
this.$emit('visible', false);
this.scrollTop = 0;
},
checkTab: function(type) {
this.activeTab = type;
this[type] = null;
if (type === 'province') {
this.city = null;
this.area = null;
} else if (type === 'city') {
this.area = null;
}
},
checkItem: function(item) {
this[this.activeTab] = { ...item, children: undefined };
if (this.activeTab === 'province') {
this.activeTab = 'city';
} else if (this.activeTab === 'city') {
this.activeTab = 'area';
} else if (this.activeTab === 'area') {
const result = [this.province, this.city, this.area];
console.log(result,'this.province')
this.$emit('input', result);
this.$emit('change', result);
this.$emit('visible', false);
}
},
}
};
</script>
<style lang="scss">
.select-district {
&__title {
padding: $padding-md;
text-align: center;
font-size: $font-md;
}
&__content {
background-color: $color-white;
}
&__scroll {
height: ($padding-md * 2 + $font-md) * 8;
&-item {
padding: $padding-md;
font-size: $font-md;
color: $color-text;
box-sizing: border-box;
line-height: 1;
}
}
&__tabs {
padding-bottom: $padding-md;
&-item {
width: 33%;
max-width: 33%;
line-height: 1;
box-sizing: border-box;
display: inline-flex;
align-items: center;
justify-content: center;
padding: $padding-sm $padding-sm;
color: $color-black;
font-size: $font-md;
font-weight: bold;
position: relative;
.text {
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
&:after {
content: '';
width: 0;
height: 0;
border-bottom: 4upx solid $color-primary;
position: absolute;
left: 50%;
bottom: 0;
transform: translateX(-50%);
transition: 0.3s;
}
&.active {
&:after {
width: 50%;
}
}
}
}
}
</style>