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MiniProgram/ProjectLiaisonForm/pages/tree-select/normal/index.js

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2025-08-15 14:05:08 +08:00
const areaList = {
provinces: {
110000: '北京市',
440000: '广东省',
},
cities: {
110100: '北京市',
440100: '广州市',
440200: '韶关市',
440300: '深圳市',
440400: '珠海市',
440500: '汕头市',
440600: '佛山市',
},
counties: {
110101: '东城区',
110102: '西城区',
110105: '朝阳区',
110106: '丰台区',
110107: '石景山区',
110108: '海淀区',
110109: '门头沟区',
110111: '房山区',
110112: '通州区',
110113: '顺义区',
110114: '昌平区',
110115: '大兴区',
110116: '怀柔区',
110117: '平谷区',
110118: '密云区',
110119: '延庆区',
440103: '荔湾区',
440104: '越秀区',
440105: '海珠区',
440106: '天河区',
440111: '白云区',
440112: '黄埔区',
440113: '番禺区',
440114: '花都区',
440115: '南沙区',
440117: '从化区',
440118: '增城区',
440203: '武江区',
440204: '浈江区',
440205: '曲江区',
440222: '始兴县',
440224: '仁化县',
440229: '翁源县',
440232: '乳源瑶族自治县',
440233: '新丰县',
440281: '乐昌市',
440282: '南雄市',
440303: '罗湖区',
440304: '福田区',
440305: '南山区',
440306: '宝安区',
440307: '龙岗区',
440308: '盐田区',
440309: '龙华区',
440310: '坪山区',
440311: '光明区',
440402: '香洲区',
440403: '斗门区',
440404: '金湾区',
440507: '龙湖区',
440511: '金平区',
440512: '濠江区',
440513: '潮阳区',
440514: '潮南区',
440515: '澄海区',
440523: '南澳县',
440604: '禅城区',
440605: '南海区',
440606: '顺德区',
440607: '三水区',
440608: '高明区',
},
};
const generateTree = () => {
const { provinces, cities, counties } = areaList;
const options = [];
const eachObj = (obj, cb) => Object.keys(obj).forEach(cb);
const match = (v1, v2, base) => parseInt(v1 / base, 10) === parseInt(v2 / base, 10);
eachObj(provinces, (prov) => {
const cityList = [];
eachObj(cities, (city) => {
const countyList = [];
if (match(city, prov, 10000)) {
eachObj(counties, (county) => {
if (match(county, city, 100)) {
countyList.push({
label: counties[county],
value: county,
});
}
});
cityList.push({
label: cities[city],
value: city,
children: countyList,
});
}
});
const item = {
label: provinces[prov],
value: prov,
children: cityList,
};
options.push(item);
});
return options;
};
Component({
data: {
options: generateTree(),
value: ['110000', '110100', '110101'],
},
methods: {
onChange(e) {
this.setData({
value: e.detail.value,
});
},
},
});