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shangbangbang/uniapp/components/k-region.vue
T
solosw 99b11b04e4 1.0
2026-01-05 14:11:34 +08:00

284 lines
6.4 KiB
Vue

<template>
<view>
<view class="list" :style="{width:width+'rpx',height:height+'rpx'}">
<picker class="picker" mode="multiSelector" :range="region" range-key="name" :value="regionIndex" @change="pickerChange"
@columnchange="pickerColumnchange">
<view class="pbox" :class="{'pbox_hover':regionStr != '请选择省市区'}">
<view>{{regionStr}}</view>
<text class="iconfont icon-you"></text>
</view>
</picker>
</view>
</view>
</template>
<script>
import region from './pca-code.json';
export default {
data() {
return {
// 原数组
oldRegion: region,
// 处理后的数组
region: [
[],
[],
[]
],
// 选择省市区的下标Index 传则默认选中传递的
regionIndex: [0, 0, 0],
// 选择的id
// previnceId: 11,
// cityId: 1101,
// countyId: 110101,
// 省市区字符串
regionStr: '请选择省/市/区'
};
},
props: {
// 组件高度
height: {
type: [Number],
default: 92
},
// 组件宽度
width: {
type: [Number],
default: 710
},
// 省id
previnceId: {
type: [Number],
default: 11
},
// 城市id
cityId: {
type: [Number],
default: 1101
},
// 县区id
countyId: {
type: [Number],
default: 110101
},
// 是否是为修改(true为修改)
isRevise: {
type: [Boolean],
default: true
},
// 是否显示"全部区"选项
showAllDistrict: {
type: [Boolean],
default: true
}
},
methods: {
pickerChange(e) {
// console.log(e, '1');
this.regionIndex = e.detail.value;
const provinceName = this.region[0][this.regionIndex[0]].name;
const cityName = this.region[1][this.regionIndex[1]].name;
let countyName = '';
// 如果开启了全部区功能且选择的是第一项"全部"
if (this.showAllDistrict && this.regionIndex[2] === 0 && this.region[2][0] && this.region[2][0].name === '全部') {
countyName = '全部';
this.regionStr = provinceName + ' ' + cityName + ' ' + countyName;
} else {
// 正常情况下直接使用选择的项
if (this.region[2][this.regionIndex[2]]) {
countyName = this.region[2][this.regionIndex[2]].name;
this.regionStr = provinceName + ' ' + cityName + ' ' + countyName;
}
}
// 组件传值 - 如果选择了"全部",则传递空字符串给区
const emitCountyName = countyName === '全部' ? '' : countyName;
this.$emit('region', [provinceName, cityName, emitCountyName]);
},
pickerColumnchange(e) {
// console.log(e);
// 第几列滑动
// console.log(e.detail.column);
// 第几列滑动的下标
// console.log(e.detail.value)
if (e.detail.column === 0) {
// 声明城市数组
let cityArr = [];
let countyArr = [];
// 设置下标
this.regionIndex = [e.detail.value, 0, 0];
// 改变城市列表
this.region[1] = this.oldRegion[e.detail.value].children.map(item => {
cityArr.push({
name: item.name,
code: item.code
});
})
this.$set(this.region, 1, cityArr);
// 改变县区列表 - 如果开启了全部区功能,首先添加"全部"选项
if (this.showAllDistrict) {
countyArr.push({
name: '全部',
code: -1
});
}
this.oldRegion[e.detail.value].children[0].children.map(item => {
countyArr.push({
name: item.name,
code: item.code
});
})
this.$set(this.region, 2, countyArr);
}
if (e.detail.column === 1) {
this.regionIndex[1] = e.detail.value;
this.regionIndex[2] = 0;
let countyArr = [];
// 如果开启了全部区功能,首先添加"全部"选项
if (this.showAllDistrict) {
countyArr.push({
name: '全部',
code: -1
});
}
this.oldRegion[this.regionIndex[0]].children[this.regionIndex[1]].children.map(item => {
countyArr.push({
name: item.name,
code: item.code
});
})
this.$set(this.region, 2, countyArr);
}
if (e.detail.column === 2) {
this.regionIndex[2] = e.detail.value;
}
}
},
created() {
let provinceArr = [];
let cityArr = [];
this.oldRegion.map((item, index) => {
this.region[0].push({
name: item.name,
code: item.code
});
if (this.previnceId == item.code) {
provinceArr = item.children;
this.regionIndex[0] = index;
}
})
// console.log(provinceArr);
provinceArr.map((item, index) => {
this.region[1].push({
name: item.name,
code: item.code
});
if (this.cityId == item.code) {
cityArr = item.children;
this.regionIndex[1] = index;
}
})
// 如果开启了全部区功能,首先添加"全部"选项到区列表
if (this.showAllDistrict) {
this.region[2].push({
name: '全部',
code: -1
});
}
cityArr.map((item, index) => {
this.region[2].push({
name: item.name,
code: item.code
});
if (this.countyId == item.code) {
// 如果开启了全部区功能,index要+1,因为前面插入了"全部"
this.regionIndex[2] = this.showAllDistrict ? index + 1 : index;
}
})
// 如果传入的countyId为-1且开启了全部区功能,则选中"全部"
if (this.countyId == -1 && this.showAllDistrict) {
this.regionIndex[2] = 0;
}
if (this.isRevise) {
this.regionStr = this.region[0][this.regionIndex[0]].name + ' ' + this.region[1][this.regionIndex[1]].name + ' ' +
this.region[2][this.regionIndex[2]].name;
} else {
this.regionStr = '请选择省市区';
}
}
}
</script>
<style lang="scss">
.list {
// border-bottom: 1rpx solid #eee;
padding: 0 8rpx;
box-sizing: border-box;
display: flex;
flex-direction: row;
align-items: center;
justify-content: space-between;
position: relative;
.picker {
flex: 1;
height: 92rpx;
.pbox {
width: 100%;
height: 92rpx;
display: flex;
flex-direction: row;
align-items: center;
justify-content: space-between;
color: #808080;
view{
width: 100%;
text-align: right;
}
.icon-you {
font-size: 28rpx;
}
}
.pbox_hover {
color: #383838;
}
}
.name {
width: 168rpx;
font-size: 32rpx;
color: #383838;
}
.icon-you {
font-size: 28rpx;
color: #999999;
}
.input {
flex: 1;
height: 100%;
line-height: 92rpx;
color: #9080A1;
}
.textarea {
flex: 1;
height: 100%;
color: #A9A9A9;
}
}
</style>