ThinkAdmin/public/static/plugs/script/area/area.php

<?php

// 禁止 HTTP 访问脚本文件
PHP_SAPI === 'cli' or die('Can only run in CLI mode.');

// 从腾讯地址接口获取数据
$url = 'https://apis.map.qq.com/ws/district/v1/list?key=AVDBZ-VXMC6-VD2SU-M7DX2-TGSV7-WVF3U';
$result = json_decode(file_get_contents($url), true)['result'];

// 生成数据字典(方便查询)
$maps = [];
foreach ($result as $items) foreach ($items as $item) {
    $id = preg_replace('#(0000$|00$)#', '', $item['id']);
    $item['list'] = [];
    $item['location'] = join(',', $item['location'] ?? []);
    unset($item['cidx'], $item['pinyin']);
    $maps[$id] = $item;
}
ksort($maps);

// 根据名称生成数据树
$items = [];
foreach ($maps as $key => $map) {
    [$c1, $c2, $c3] = str_split("{$key}0000", 2);
    $pname = $maps[$c1]['fullname'] ?? '';
    $cname = $maps[$c1 . $c2]['fullname'] ?? $pname;
    if ($c2 . $c3 === '0000') {
        $items[$pname] = $map;
    } elseif ($c3 === '00') {
        $items[$pname]['list'][$cname] = $map;
    } else {
        if (empty($items[$pname]['list'][$cname])) {
            $items[$pname]['list'][$cname] = $items[$pname];
        }
        $items[$pname]['list'][$cname]['list'][] = $map;
    }
}

// 生成插件数据(去除索引值)
$data = [];
$items = array_values($items);
foreach ($items as &$prov) {
    $lines = [];
    $prov['list'] = array_values($prov['list']);
    foreach ($prov['list'] as &$city) {
        $city['list'] = array_values($city['list']);
        $lines[] = $city['fullname'] . ',' . join(',', array_column($city['list'], 'fullname'));
    }
    $data[] = $prov['fullname'] . '$' . join('|', $lines);
}

// 数据写入文件
$jsonFile = __DIR__ . '/data.json';
$scriptFile = dirname(__DIR__) . '/pcasunzips.js';
$jsonContent = json_encode($items, JSON_UNESCAPED_UNICODE);
$scriptContent = str_replace('__STRING__', join('#', $data), <<<EOL
/********************************************************
 *** 加载脚本文件 ***
 <script src="pcasunzip.js"></script>

 *** 省市联动 ***
 new PCAS("Province","City")
 new PCAS("Province","City","吉林省")
 new PCAS("Province","City","吉林省","吉林市")

 *** 省市区联动 ***
 new PCAS("Province","City","Area")
 new PCAS("Province","City","Area","吉林省")
 new PCAS("Province","City","Area","吉林省","松原市")
 new PCAS("Province","City","Area","吉林省","松原市","宁江区")

 省、市、地区对象取得的值均为实际值。
 注：省、市、地区提示信息选项的值为""(空字符串)
 *********************************************************/

SPT = window.SPT || "-省份-";
SCT = window.SCT || "-城市-";
SAT = window.SAT || "-地区-";
SWT = window.SWT || 0; // 提示文字 0:不显示 1:显示

function PCAS() {
    this.SelP = document.getElementsByName(arguments[0])[0];
    this.SelC = document.getElementsByName(arguments[1])[0];
    this.SelA = document.getElementsByName(arguments[2])[0];
    this.DefP = this.SelA ? arguments[3] : arguments[2];
    this.DefC = this.SelA ? arguments[4] : arguments[3];
    this.DefA = this.SelA ? arguments[5] : arguments[4];
    if (this.SelP) this.SelP.PCA = this;
    if (this.SelC) this.SelC.PCA = this;
    if (this.SelA) this.SelA.PCA = this;
    if (this.SelP && this.SelC) {
        this.SelP.onchange = function () {
            PCAS.SetC(this.PCA)
        };
        if (this.SelA) this.SelC.onchange = function () {
            PCAS.SetA(this.PCA)
        };
    }
    PCAS.init(this).SetP(this)
}

PCAS.init = function (PCA) {
    PCA.PCAP = [], PCA.PCAC = [], PCA.PCAA = [], PCA.PCAD = "__STRING__";
    if (SWT) PCA.PCAD = SPT + "$" + SCT + "," + SAT + "#" + PCA.PCAD;
    PCA.PCAD.split("#").forEach(function (VAL1, ID1) {
        PCA.PCAP[ID1] = VAL1.split("$")[0], PCA.PCAC[ID1] = [], PCA.PCAA[ID1] = [];
        VAL1.split("$")[1].split("|").forEach(function (VAL2, ID2) {
            PCA.PCAC[ID1].push((PCA.PCAR = VAL2.split(",")).shift()), PCA.PCAA[ID1][ID2] = PCA.PCAR;
        });
    });
    return this;
};

PCAS.SetP = function (PCA) {
    PCA.PCAP.forEach(function (VAL, IDX) {
        PCA.PCAT = PCA.PCAV = VAL;
        if (PCA.PCAT === SPT) PCA.PCAV = "";
        PCA.SelP.options.add(new Option(PCA.PCAT, PCA.PCAV));
        if (PCA.DefP === PCA.PCAV) PCA.SelP[IDX].selected = true
    }), PCA.SelC ? PCAS.SetC(PCA) : $(PCA.SelP).trigger('change');
};

PCAS.SetC = function (PCA) {
    PCA.SelC.length = 0;
    PCA.PCAC[PCA.SelP.selectedIndex].forEach(function (VAL, IDX) {
        PCA.PCAT = PCA.PCAV = VAL;
        if (PCA.PCAT === SCT) PCA.PCAV = "";
        PCA.SelC.options.add(new Option(PCA.PCAT, PCA.PCAV));
        if (PCA.DefC === PCA.PCAV) PCA.SelC[IDX].selected = true
    }), PCA.SelA ? PCAS.SetA(PCA) : $(PCA.SelC).trigger('change');
};

PCAS.SetA = function (PCA) {
    PCA.SelA.length = 0;
    PCA.PCAA[PCA.SelP.selectedIndex][PCA.SelC.selectedIndex].forEach(function (VAL, IDX) {
        PCA.PCAT = PCA.PCAV = VAL;
        if (PCA.PCAT === SAT) PCA.PCAV = "";
        PCA.SelA.options.add(new Option(PCA.PCAT, PCA.PCAV));
        if (PCA.DefA === PCA.PCAV) PCA.SelA[IDX].selected = true
    }), $(PCA.SelA).trigger('change')
};
EOL
);

// 写入区域文件
if (file_put_contents($scriptFile, $scriptContent) && file_put_contents($jsonFile, $jsonContent)) {
    echo 'success';
} else {
    echo 'error';
}