对活动地区限制分为两步：一是管理端配置，而是移动端限制

移动端限制

使用高德获取经纬度（需要引入高德库：https://webapi.amap.com/maps），如果是app也可以调用jsapi获取经纬度

export const checkAppPermissionHandler = (params = {}, callback) => {// 非郑好办使用高德定位const map = new AMap.Map('container', { zoom: 16 })AMap.plugin('AMap.Geolocation', function() {const geolocation = new AMap.Geolocation({enableHighAccuracy: true,timeout: 10000,zoomToAccuracy: true})map.addControl(geolocation)geolocation.getCurrentPosition(function(status, result) {if (status === 'complete') {callback &&callback({status: 0, // 0：有定位权限 返回经纬度location: {latitude: result?.position?.lat,longitude: result?.position?.lng}})return} else {// 没有定位权限callback &&callback({status: 2 // 2：不使用定位权限})}})})
}

判断当前位置是否在限制位置中函数

export const getLocation = arr => {return new Promise((resolve, reject) => {if (!arr.length) {resolve(true)}// 获取经纬度checkAppPermissionHandler({ allowLocation: 'must' }, ({ status, location }) => {if (status === 0) {const lat = location.latitude // 纬度const lng = location.longitude // 经度window.AMap.plugin('AMap.Geocoder', () => {const geocoder = new window.AMap.Geocoder({timeout: 5000})geocoder.getAddress([lng, lat], (status, result) => {if (status === 'complete' && result.info === 'OK') {const address = result?.regeocode?.formattedAddress // 当前所在位置的详细地址（包含省市区街道等：河南省郑州市管城回族区商都路XXX）// 判断是否包含，若包含则标识在获取范围内if (arr?.findIndex(it => address.includes(it)) !== -1) {resolve(true)} else {reject('抱歉，您不在活动地区范围内')}} else {reject('获取位置信息失败，请先打手机开定位！')}})})} else {reject('获取位置信息失败，请先打手机开定位！')}})})
}

拿到管理端配置的数据并进行格式化，得到数据为[‘河南省洛阳市’, ‘北京市’, ‘河南省郑州市’]

const area = this.details?.area?.map(it => it?.map(item => item?.split(',')?.[1]))?.map(it => it?.join('')) || []

调用getLocation 函数

getLocation(area || [])

管理端配置

表单配置，配置后得到的数据为[[‘410000,河南省’, ‘410300,洛阳市’], [‘110000,北京市’], [‘410000,河南省’, ‘410100,郑州市’]]

 {title: '参与地区限制',dataIndex: 'joinArea',valueType: 'radio',valueEnum: {0: '不限制',1: '指定地区可参加'},formItemProps: () => ({rules: [{ required: true, message: '此项为必填项' }]})
},
{valueType: 'dependency',name: ['joinArea'],columns: ({ joinArea }) => {return Number(joinArea) === 1? [{title: '选择地区',dataIndex: 'area',renderFormItem: () => <SelectArea />,formItemProps: () => ({rules: [{validator: (_, v) => {return new Promise((res, rej) => {if (v && v?.length !== 0) res()rej()})},message: `请进行参与地区配置`}]}),colProps: {offset: 6,xs: 12}}]: []}
},

选择地区的组件

import React, { useEffect, useState } from 'react'
import { Modal, Cascader, Button, Space } from 'antd'
import { ArrayUtils } from 'great-jsutils'
// eslint-disable-next-line import/extensions
const areasJson = require('./area.json')
// 地区限制
export default ({ value, onChange }) => {const [visible, setVisible] = useState(false)const [areaList, setAreaList] = useState([]) // 地理位置下拉菜单const [selectAreas, setSelectAreas] = useState([])const [sureAreas, setSureAreas] = useState('')const onCancel = () => setVisible(false)// 将选中的地区变为平铺字符串 市(县)const flatAreas = areas => {let names = ''// eslint-disable-next-line no-unused-expressions, array-callback-returnareas?.map(it => {let name = ''if (it?.length === 1) {name = it?.[0]?.split(',')?.[1]} else {// eslint-disable-next-line no-unused-expressions, array-callback-returnit?.map((area, i) => {if (i === 0) {name = area?.split(',')?.[1]} else {name = `${name}(${area?.split(',')?.[1]})`}})}names = `${names}${names && ','}${name}`})setSureAreas(names)}useEffect(() => {const areas = ArrayUtils.updateKey(areasJson, {}, item => ({value: [item.code, item.name].join(),label: item.name}))setAreaList(areas)}, [])useEffect(() => {if (value) {setSelectAreas(value)flatAreas(value)}}, [value])const filter = (inputValue, path) =>path.some(option => option.label.toLowerCase().indexOf(inputValue.toLowerCase()) > -1)return (<><Space><div>{sureAreas !== '' ? sureAreas : '-'}</div><Button type="primary" ghost onClick={() => setVisible(true)}>选择地区</Button></Space><Modaltitle="选择地区"width={700}onClose={onCancel}visible={visible}onOk={() => {flatAreas(selectAreas)onChange(selectAreas)onCancel()}}onCancel={onCancel}forceRenderstyle={{ textAlign: 'center' }}><Cascadervalue={selectAreas}options={areaList}onChange={v => setSelectAreas(v)}showSearch={{filter}}multiplemaxTagCount="responsive"style={{ margin: '20px', width: '500px' }}/></Modal></>)
}

前端维护的省市区

[{"name": "北京市","code": "110000","children": [{"name": "东城区","code": "110101"},{"name": "西城区","code": "110102"},{"name": "朝阳区","code": "110105"},{"name": "丰台区","code": "110106"},{"name": "石景山区","code": "110107"},{"name": "海淀区","code": "110108"},{"name": "门头沟区","code": "110109"},{"name": "房山区","code": "110111"},{"name": "通州区","code": "110112"},{"name": "顺义区","code": "110113"},{"name": "昌平区","code": "110114"},{"name": "大兴区","code": "110115"},{"name": "怀柔区","code": "110116"},{"name": "平谷区","code": "110117"},{"name": "密云区","code": "110118"},{"name": "延庆区","code": "110119"}]},{"name": "天津市","code": "120000","children": [{"name": "和平区","code": "120101"},{"name": "河东区","code": "120102"},{"name": "河西区","code": "120103"},{"name": "南开区","code": "120104"},{"name": "河北区","code": "120105"},{"name": "红桥区","code": "120106"},{"name": "东丽区","code": "120110"},{"name": "西青区","code": "120111"},{"name": "津南区","code": "120112"},{"name": "北辰区","code": "120113"},{"name": "武清区","code": "120114"},{"name": "宝坻区","code": "120115"},{"name": "滨海新区","code": "120116"},{"name": "宁河区","code": "120117"},{"name": "静海区","code": "120118"},{"name": "蓟州区","code": "120119"}]},{"name": "河北省","code": "130000","children": [{"name": "石家庄市","code": "130100"},{"name": "唐山市","code": "130200"},{"name": "秦皇岛市","code": "130300"},{"name": "邯郸市","code": "130400"},{"name": "邢台市","code": "130500"},{"name": "保定市","code": "130600"},{"name": "张家口市","code": "130700"},{"name": "承德市","code": "130800"},{"name": "沧州市","code": "130900"},{"name": "廊坊市","code": "131000"},{"name": "衡水市","code": "131100"}]},{"name": "山西省","code": "140000","children": [{"name": "太原市","code": "140100"},{"name": "大同市","code": "140200"},{"name": "阳泉市","code": "140300"},{"name": "长治市","code": "140400"},{"name": "晋城市","code": "140500"},{"name": "朔州市","code": "140600"},{"name": "晋中市","code": "140700"},{"name": "运城市","code": "140800"},{"name": "忻州市","code": "140900"},{"name": "临汾市","code": "141000"},{"name": "吕梁市","code": "141100"}]},{"name": "内蒙古自治区","code": "150000","children": [{"name": "呼和浩特市","code": "150100"},{"name": "包头市","code": "150200"},{"name": "乌海市","code": "150300"},{"name": "赤峰市","code": "150400"},{"name": "通辽市","code": "150500"},{"name": "鄂尔多斯市","code": "150600"},{"name": "呼伦贝尔市","code": "150700"},{"name": "巴彦淖尔市","code": "150800"},{"name": "乌兰察布市","code": "150900"},{"name": "兴安盟","code": "152200"},{"name": "锡林郭勒盟","code": "152500"},{"name": "阿拉善盟","code": "152900"}]},{"name": "辽宁省","code": "210000","children": [{"name": "沈阳市","code": "210100"},{"name": "大连市","code": "210200"},{"name": "鞍山市","code": "210300"},{"name": "抚顺市","code": "210400"},{"name": "本溪市","code": "210500"},{"name": "丹东市","code": "210600"},{"name": "锦州市","code": "210700"},{"name": "营口市","code": "210800"},{"name": "阜新市","code": "210900"},{"name": "辽阳市","code": "211000"},{"name": "盘锦市","code": "211100"},{"name": "铁岭市","code": "211200"},{"name": "朝阳市","code": "211300"},{"name": "葫芦岛市","code": "211400"}]},{"name": "吉林省","code": "220000","children": [{"name": "长春市","code": "220100"},{"name": "吉林市","code": "220200"},{"name": "四平市","code": "220300"},{"name": "辽源市","code": "220400"},{"name": "通化市","code": "220500"},{"name": "白山市","code": "220600"},{"name": "松原市","code": "220700"},{"name": "白城市","code": "220800"},{"name": "延边朝鲜族自治州","code": "222400"}]},{"name": "黑龙江省","code": "230000","children": [{"name": "哈尔滨市","code": "230100"},{"name": "齐齐哈尔市","code": "230200"},{"name": "鸡西市","code": "230300"},{"name": "鹤岗市","code": "230400"},{"name": "双鸭山市","code": "230500"},{"name": "大庆市","code": "230600"},{"name": "伊春市","code": "230700"},{"name": "佳木斯市","code": "230800"},{"name": "七台河市","code": "230900"},{"name": "牡丹江市","code": "231000"},{"name": "黑河市","code": "231100"},{"name": "绥化市","code": "231200"},{"name": "大兴安岭地区","code": "232700"}]},{"name": "上海市","code": "310000","children": [{"name": "黄浦区","code": "310101"},{"name": "徐汇区","code": "310104"},{"name": "长宁区","code": "310105"},{"name": "静安区","code": "310106"},{"name": "普陀区","code": "310107"},{"name": "虹口区","code": "310109"},{"name": "杨浦区","code": "310110"},{"name": "闵行区","code": "310112"},{"name": "宝山区","code": "310113"},{"name": "嘉定区","code": "310114"},{"name": "浦东新区","code": "310115"},{"name": "金山区","code": "310116"},{"name": "松江区","code": "310117"},{"name": "青浦区","code": "310118"},{"name": "奉贤区","code": "310120"},{"name": "崇明区","code": "310151"}]},{"name": "江苏省","code": "320000","children": [{"name": "南京市","code": "320100"},{"name": "无锡市","code": "320200"},{"name": "徐州市","code": "320300"},{"name": "常州市","code": "320400"},{"name": "苏州市","code": "320500"},{"name": "南通市","code": "320600"},{"name": "连云港市","code": "320700"},{"name": "淮安市","code": "320800"},{"name": "盐城市","code": "320900"},{"name": "扬州市","code": "321000"},{"name": "镇江市","code": "321100"},{"name": "泰州市","code": "321200"},{"name": "宿迁市","code": "321300"}]},{"name": "浙江省","code": "330000","children": [{"name": "杭州市","code": "330100"},{"name": "宁波市","code": "330200"},{"name": "温州市","code": "330300"},{"name": "嘉兴市","code": "330400"},{"name": "湖州市","code": "330500"},{"name": "绍兴市","code": "330600"},{"name": "金华市","code": "330700"},{"name": "衢州市","code": "330800"},{"name": "舟山市","code": "330900"},{"name": "台州市","code": "331000"},{"name": "丽水市","code": "331100"}]},{"name": "安徽省","code": "340000","children": [{"name": "合肥市","code": "340100"},{"name": "芜湖市","code": "340200"},{"name": "蚌埠市","code": "340300"},{"name": "淮南市","code": "340400"},{"name": "马鞍山市","code": "340500"},{"name": "淮北市","code": "340600"},{"name": "铜陵市","code": "340700"},{"name": "安庆市","code": "340800"},{"name": "黄山市","code": "341000"},{"name": "滁州市","code": "341100"},{"name": "阜阳市","code": "341200"},{"name": "宿州市","code": "341300"},{"name": "六安市","code": "341500"},{"name": "亳州市","code": "341600"},{"name": "池州市","code": "341700"},{"name": "宣城市","code": "341800"}]},{"name": "福建省","code": "350000","children": [{"name": "福州市","code": "350100"},{"name": "厦门市","code": "350200"},{"name": "莆田市","code": "350300"},{"name": "三明市","code": "350400"},{"name": "泉州市","code": "350500"},{"name": "漳州市","code": "350600"},{"name": "南平市","code": "350700"},{"name": "龙岩市","code": "350800"},{"name": "宁德市","code": "350900"}]},{"name": "江西省","code": "360000","children": [{"name": "南昌市","code": "360100"},{"name": "景德镇市","code": "360200"},{"name": "萍乡市","code": "360300"},{"name": "九江市","code": "360400"},{"name": "新余市","code": "360500"},{"name": "鹰潭市","code": "360600"},{"name": "赣州市","code": "360700"},{"name": "吉安市","code": "360800"},{"name": "宜春市","code": "360900"},{"name": "抚州市","code": "361000"},{"name": "上饶市","code": "361100"}]},{"name": "山东省","code": "370000","children": [{"name": "济南市","code": "370100"},{"name": "青岛市","code": "370200"},{"name": "淄博市","code": "370300"},{"name": "枣庄市","code": "370400"},{"name": "东营市","code": "370500"},{"name": "烟台市","code": "370600"},{"name": "潍坊市","code": "370700"},{"name": "济宁市","code": "370800"},{"name": "泰安市","code": "370900"},{"name": "威海市","code": "371000"},{"name": "日照市","code": "371100"},{"name": "临沂市","code": "371300"},{"name": "德州市","code": "371400"},{"name": "聊城市","code": "371500"},{"name": "滨州市","code": "371600"},{"name": "菏泽市","code": "371700"}]},{"name": "河南省","code": "410000","children": [{"name": "郑州市","code": "410100"},{"name": "开封市","code": "410200"},{"name": "洛阳市","code": "410300"},{"name": "平顶山市","code": "410400"},{"name": "安阳市","code": "410500"},{"name": "鹤壁市","code": "410600"},{"name": "新乡市","code": "410700"},{"name": "焦作市","code": "410800"},{"name": "濮阳市","code": "410900"},{"name": "许昌市","code": "411000"},{"name": "漯河市","code": "411100"},{"name": "三门峡市","code": "411200"},{"name": "南阳市","code": "411300"},{"name": "商丘市","code": "411400"},{"name": "信阳市","code": "411500"},{"name": "周口市","code": "411600"},{"name": "驻马店市","code": "411700"}]},{"name": "湖北省","code": "420000","children": [{"name": "武汉市","code": "420100"},{"name": "黄石市","code": "420200"},{"name": "十堰市","code": "420300"},{"name": "宜昌市","code": "420500"},{"name": "襄阳市","code": "420600"},{"name": "鄂州市","code": "420700"},{"name": "荆门市","code": "420800"},{"name": "孝感市","code": "420900"},{"name": "荆州市","code": "421000"},{"name": "黄冈市","code": "421100"},{"name": "咸宁市","code": "421200"},{"name": "随州市","code": "421300"},{"name": "恩施土家族苗族自治州","code": "422800"}]},{"name": "湖南省","code": "430000","children": [{"name": "长沙市","code": "430100"},{"name": "株洲市","code": "430200"},{"name": "湘潭市","code": "430300"},{"name": "衡阳市","code": "430400"},{"name": "邵阳市","code": "430500"},{"name": "岳阳市","code": "430600"},{"name": "常德市","code": "430700"},{"name": "张家界市","code": "430800"},{"name": "益阳市","code": "430900"},{"name": "郴州市","code": "431000"},{"name": "永州市","code": "431100"},{"name": "怀化市","code": "431200"},{"name": "娄底市","code": "431300"},{"name": "湘西土家族苗族自治州","code": "433100"}]},{"name": "广东省","code": "440000","children": [{"name": "广州市","code": "440100"},{"name": "韶关市","code": "440200"},{"name": "深圳市","code": "440300"},{"name": "珠海市","code": "440400"},{"name": "汕头市","code": "440500"},{"name": "佛山市","code": "440600"},{"name": "江门市","code": "440700"},{"name": "湛江市","code": "440800"},{"name": "茂名市","code": "440900"},{"name": "肇庆市","code": "441200"},{"name": "惠州市","code": "441300"},{"name": "梅州市","code": "441400"},{"name": "汕尾市","code": "441500"},{"name": "河源市","code": "441600"},{"name": "阳江市","code": "441700"},{"name": "清远市","code": "441800"},{"name": "东莞市","code": "441900"},{"name": "中山市","code": "442000"},{"name": "潮州市","code": "445100"},{"name": "揭阳市","code": "445200"},{"name": "云浮市","code": "445300"}]},{"name": "广西壮族自治区","code": "450000","children": [{"name": "南宁市","code": "450100"},{"name": "柳州市","code": "450200"},{"name": "桂林市","code": "450300"},{"name": "梧州市","code": "450400"},{"name": "北海市","code": "450500"},{"name": "防城港市","code": "450600"},{"name": "钦州市","code": "450700"},{"name": "贵港市","code": "450800"},{"name": "玉林市","code": "450900"},{"name": "百色市","code": "451000"},{"name": "贺州市","code": "451100"},{"name": "河池市","code": "451200"},{"name": "来宾市","code": "451300"},{"name": "崇左市","code": "451400"}]},{"name": "海南省","code": "460000","children": [{"name": "海口市","code": "460100"},{"name": "三亚市","code": "460200"},{"name": "三沙市","code": "460300"},{"name": "儋州市","code": "460400"}]},{"name": "重庆市","code": "500000","children": [{"name": "万州区","code": "500101"},{"name": "涪陵区","code": "500102"},{"name": "渝中区","code": "500103"},{"name": "大渡口区","code": "500104"},{"name": "江北区","code": "500105"},{"name": "沙坪坝区","code": "500106"},{"name": "九龙坡区","code": "500107"},{"name": "南岸区","code": "500108"},{"name": "北碚区","code": "500109"},{"name": "綦江区","code": "500110"},{"name": "大足区","code": "500111"},{"name": "渝北区","code": "500112"},{"name": "巴南区","code": "500113"},{"name": "黔江区","code": "500114"},{"name": "长寿区","code": "500115"},{"name": "江津区","code": "500116"},{"name": "合川区","code": "500117"},{"name": "永川区","code": "500118"},{"name": "南川区","code": "500119"},{"name": "璧山区","code": "500120"},{"name": "铜梁区","code": "500151"},{"name": "潼南区","code": "500152"},{"name": "荣昌区","code": "500153"},{"name": "开州区","code": "500154"},{"name": "梁平区","code": "500155"},{"name": "武隆区","code": "500156"},{"name": "城口县","code": "500229"},{"name": "丰都县","code": "500230"},{"name": "垫江县","code": "500231"},{"name": "忠县","code": "500233"},{"name": "云阳县","code": "500235"},{"name": "奉节县","code": "500236"},{"name": "巫山县","code": "500237"},{"name": "巫溪县","code": "500238"},{"name": "石柱土家族自治县","code": "500240"},{"name": "秀山土家族苗族自治县","code": "500241"},{"name": "酉阳土家族苗族自治县","code": "500242"},{"name": "彭水苗族土家族自治县","code": "500243"}]},{"name": "四川省","code": "510000","children": [{"name": "成都市","code": "510100"},{"name": "自贡市","code": "510300"},{"name": "攀枝花市","code": "510400"},{"name": "泸州市","code": "510500"},{"name": "德阳市","code": "510600"},{"name": "绵阳市","code": "510700"},{"name": "广元市","code": "510800"},{"name": "遂宁市","code": "510900"},{"name": "内江市","code": "511000"},{"name": "乐山市","code": "511100"},{"name": 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