地址联动组件再优化，所有方法都改用异步回调

Tevin

2023-07-31 6379d7a81d8fb8417977d40031cf587d50f69812

 forms/chinaArea/ChinaLocations.js

@@ -11,7 +11,7 @@
let locationTreeLv3 = [];
let locationTreeLv4 = [];
let locationRes = {};
let readyCallback = () => { };
let readyCallbacks = [];

Taro.request({
    url: $hostBoot.getHost() + project.host.assetsPath + '/datas/ChinaLocations.lv4.min.json',
@@ -26,7 +26,7 @@
    method: 'GET',
    success: response => {
        locationRes = response.data;
        readyCallback();
        readyCallbacks.forEach(callback => callback());
    }
});

@@ -34,7 +34,7 @@

    onReady(callback) {
        if (Tools.isEmptyObject(locationRes)) {
            readyCallback = callback;
            readyCallbacks.push(callback);
        } else {
            callback();
        }
@@ -100,138 +100,143 @@
        return treeDatas;
    }

    getLocationTree(level) {
        if (level === 3) {
            if (locationTreeLv3.length === 0) {
                locationTreeLv3 = this._createLocationTree(3);
    getLocationTree(level, callback) {
        this.onReady(() => {
            if (level === 3) {
                if (locationTreeLv3.length === 0) {
                    locationTreeLv3 = this._createLocationTree(3);
                }
                callback(locationTreeLv3);
            } else if (level === 4) {
                if (locationTreeLv4.length === 0) {
                    locationTreeLv4 = this._createLocationTree(4);
                }
                callback(locationTreeLv4);
            }
            return locationTreeLv3;
        } else if (level === 4) {
            if (locationTreeLv4.length === 0) {
                locationTreeLv4 = this._createLocationTree(4);
            }
            return locationTreeLv4;
        }
        });
    }

    // 获取省市区拼合文本
    getRegionText(regions, callback) {
        if (regions.length === 0) {
            return '';
        }
        let address = '';
        let tempLocationData = locationRes;
        regions.forEach((code) => {
            if (!code || !tempLocationData[code]) {
                address.push('');
                tempLocationData = [];
            } else {
                if (typeof tempLocationData[code].name === 'string') {
                    address += tempLocationData[code].name;
                } else {
                    address += tempLocationData[code];
                }
                tempLocationData = tempLocationData[code].children;
            }
        this.getRegionNames(regions, address => {
            callback(address.join(''));
        });
        return address;
    }

    // 省市区名称
    getRegionNames(regions, callback) {
        if (typeof regions === 'string') {
            regions = regions.split(',');
        }
        if (!regions || regions.length === 0 || !regions[0]) {
            return [];
        }
        let address = [];
        let tempLocationData = locationRes;
        regions.forEach((code) => {
            if (!code || !tempLocationData[code]) {
                address.push('');
                tempLocationData = [];
            } else {
                if (typeof tempLocationData[code].name === 'string') {
                    address.push(tempLocationData[code].name);
                } else {
                    address.push(tempLocationData[code]);
                }
                tempLocationData = tempLocationData[code].children;
        this.onReady(() => {
            if (typeof regions === 'string') {
                regions = regions.split(',');
            }
            if (!regions || regions.length === 0 || !regions[0]) {
                callback([]);
            }
            let address = [];
            let tempLocationData = locationRes;
            regions.forEach((code) => {
                if (!code || !tempLocationData[code]) {
                    address.push('');
                    tempLocationData = [];
                } else {
                    if (typeof tempLocationData[code].name === 'string') {
                        address.push(tempLocationData[code].name);
                    } else {
                        address.push(tempLocationData[code]);
                    }
                    tempLocationData = tempLocationData[code].children;
                }
            });
            callback(address);
        });
        return address;
    }

    // 省市区文本转code
    getRegionCodes(regions, callback) {
        if (typeof regions === 'string') {
            regions = regions.split(',');
        }
        if (!regions || regions.length === 0 || !regions[0]) {
            return '';
        }
        const codes = [];
        // 省
        for (let provinceCode in locationRes) {
            if (locationRes.hasOwnProperty(provinceCode)) {
                if (locationRes[provinceCode].name === regions[0]) {
                    codes[0] = provinceCode;
                    // 市
                    const provinceChildren = locationRes[provinceCode].children;
                    for (let cityCode in provinceChildren) {
                        if (provinceChildren.hasOwnProperty(cityCode)) {
                            if (provinceChildren[cityCode].name === regions[1]) {
                                codes[1] = cityCode;
                                // 区
                                const areaChildren = provinceChildren[cityCode].children || [];
                                for (let areaCode in areaChildren) {
                                    if (areaChildren.hasOwnProperty(areaCode)) {
                                        if (areaChildren[areaCode] === regions[2]) {
                                            codes[2] = areaCode;
                                            break;
        this.onReady(() => {
            if (typeof regions === 'string') {
                regions = regions.split(',');
            }
            if (!regions || regions.length === 0 || !regions[0]) {
                callback([]);
            }
            const codes = [];
            // 省
            for (let provinceCode in locationRes) {
                if (locationRes.hasOwnProperty(provinceCode)) {
                    if (locationRes[provinceCode].name === regions[0]) {
                        codes[0] = provinceCode;
                        // 市
                        const provinceContainer = locationRes[provinceCode].children;
                        for (let cityCode in provinceContainer) {
                            if (provinceContainer.hasOwnProperty(cityCode)) {
                                if (provinceContainer[cityCode].name === regions[1]) {
                                    codes[1] = cityCode;
                                    // 区
                                    const distContainer = provinceContainer[cityCode].children;
                                    for (let distCode in distContainer) {
                                        if (distContainer.hasOwnProperty(distCode)) {
                                            if (distContainer[distCode] === regions[2]) {
                                                codes[2] = distCode;
                                                break;
                                            }
                                            if (distContainer[distCode].name === regions[2]) {
                                                codes[2] = distCode;
                                                // 如果存在街道，继续转街道
                                                if (regions[3]) {
                                                    const streetContainer = distContainer[distCode].children;
                                                    Object.keys(streetContainer).forEach(streetCode => {
                                                        if (streetContainer[streetCode] === regions[3]) {
                                                            codes[3] = streetCode;
                                                        }
                                                    });
                                                }
                                                break;
                                            }
                                        }
                                    }
                                    break;
                                }
                                break;
                            }
                        }
                        break;
                    }
                    break;
                }
            }
        }
        return codes;
            callback(codes);
        });
    }

    // 电话区码
    getRegionsArea(regions) {
        if (typeof regions === 'string') {
            regions = regions.split(',');
        }
        if (!regions || regions.length === 0 || !regions[0]) {
            return '';
        }
        let area = '';
        // 省
        for (let provinceCode in locationRes) {
            if (locationRes.hasOwnProperty(provinceCode)) {
                if (provinceCode === regions[0]) {
                    // 市
                    const provinceChildren = locationRes[provinceCode].children;
                    for (let cityCode in provinceChildren) {
                        if (provinceChildren.hasOwnProperty(cityCode)) {
                            if (cityCode === regions[1]) {
                                area = provinceChildren[cityCode].area;
                                break;
    getRegionsArea(regions, callback) {
        this.onReady(() => {
            if (typeof regions === 'string') {
                regions = regions.split(',');
            }
            if (!regions || regions.length === 0 || !regions[0]) {
                callback('');
            }
            let area = '';
            // 省
            for (let provinceCode in locationRes) {
                if (locationRes.hasOwnProperty(provinceCode)) {
                    if (provinceCode === regions[0]) {
                        // 市
                        const provinceChildren = locationRes[provinceCode].children;
                        for (let cityCode in provinceChildren) {
                            if (provinceChildren.hasOwnProperty(cityCode)) {
                                if (cityCode === regions[1]) {
                                    area = provinceChildren[cityCode].area;
                                    break;
                                }
                            }
                        }
                        break;
                    }
                    break;
                }
            }
        }
        return area;
            callback(area);
        });
    }
};