312 lines
16 KiB
JavaScript
312 lines
16 KiB
JavaScript
/**
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* jquery.citys.js 1.0
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* http://jquerywidget.com
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*/
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;
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(function (factory) {
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if (typeof define === "function" && (define.amd || define.cmd) && !jQuery) {
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// AMD或CMD
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define(["jquery"], factory);
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} else if (typeof module === 'object' && module.exports) {
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// Node/CommonJS
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module.exports = function (root, jQuery) {
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if (jQuery === undefined) {
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if (typeof window !== 'undefined') {
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jQuery = require('jquery');
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} else {
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jQuery = require('jquery')(root);
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}
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}
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factory(jQuery);
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return jQuery;
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};
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} else {
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//Browser globals
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factory(jQuery);
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}
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}(function ($) {
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$.support.cors = true;
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$.fn.citys = function (parameter, getApi) {
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if (typeof parameter == 'function') { //重载
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getApi = parameter;
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parameter = {};
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} else {
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parameter = parameter || {};
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getApi = getApi || function () { };
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}
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var defaults = {
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wrapClass: '.picker-item',
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dataUrl: '/dist/dataLocation/list.json', //数据库地址
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crossDomain: true, //是否开启跨域
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dataType: 'json', //数据库类型:'json'或'jsonp'
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provinceField: 'province', //省份字段名
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cityField: 'city', //城市字段名
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areaField: 'area', //地区字段名
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townField: 'town', // -- 添加四级的字段名 镇/街道 -- 添加
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valueType: 'code', //下拉框值的类型,code行政区划代码,name地名
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code: 0, //地区编码
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province: 0, //省份,可以为地区编码或者名称
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city: 0, //城市,可以为地区编码或者名称
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area: 0, //地区,可以为地区编码或者名称
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town: 0, //-- 街道， 可以为地区编码或者名称
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required: true, //是否必须选一个
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nodata: 'hidden', //当无数据时的表现形式:'hidden'隐藏,'disabled'禁用,为空不做任何处理
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onChange: function () { } //地区切换时触发,回调函数传入地区数据
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};
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var options = $.extend({}, defaults, parameter);
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return this.each(function () {
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//对象定义
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var _api = {};
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var $this = $(this);
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// 选择器
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var $province = $this.find('select[name="' + options.provinceField + '"]'),
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$city = $this.find('select[name="' + options.cityField + '"]'),
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$area = $this.find('select[name="' + options.areaField + '"]'),
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$town = $this.find('select[name="' + options.townField + '"]');
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// 数据规律：
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// province: "130 000":"河北省",
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// city: "130 100":"石家庄市",
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// area: "130 102":"长安区",
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// town: /down/130102.json "130 102 001":"建北街道"; 130 133 100 赵州镇 110 102 001 西长安街街道
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$.ajax({
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url: options.dataUrl,
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type: 'GET',
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crossDomain: options.crossDomain,
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dataType: options.dataType,
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jsonpCallback: 'jsonp_location',
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success: function (data) {
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var province, city, area, hasCity, town, setTown;
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setTown = options.town ? 1 : 0; // 是否设置了 twon
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if (options.code) { //如果设置地区编码，则忽略单独设置的信息
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var c = options.code - options.code % 1e4;
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if (data[c]) {
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options.province = c;
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}
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c = options.code - (options.code % 1e4 ? options.code % 1e2 : options.code);
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if (data[c]) {
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options.city = c;
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}
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c = options.code % 1e2 ? options.code : 0;
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if (data[c]) {
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options.area = c;
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}
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}
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// 更新整个区域的数据
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var updateData = function () {
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province = {}, city = {}, area = {}, town = {};
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hasCity = false; // 判断是非有地级城市
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hastown = false; // 判断是否有 镇
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for (var code in data) {
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if (!(code % 1e4)) { //获取所有的省级行政单位; 升级单位；
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province[code] = data[code];
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if (options.required && !options.province) { // 未填写默认值
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if (options.city && !(options.city % 1e4)) { //省未填，并判断为直辖市
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options.province = options.city;
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} else {
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options.province = code;
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}
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} else if (isNaN(options.province) && data[code].indexOf(options.province) > -1) { // 填写默认值 解析为code; 如果切换省
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options.province = code;
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}
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} else {
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// cityCode
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var p = code - options.province;
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if (options.province && p > 0 && p < 1e4) { //同省的城市或地区
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if (!(code % 100)) {
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hasCity = true;
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city[code] = data[code];
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if (options.required && !options.city) {
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options.city = code;
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} else if (isNaN(options.city) && data[code].indexOf(options.city) > -1) {
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options.city = code;
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}
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} else if (p > 8000) { //省直辖县级行政单位
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city[code] = data[code];
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if (options.required && !options.city) {
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options.city = code;
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} else if (isNaN(options.city) && data[code].indexOf(options.city) > -1) {
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options.city = code;
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}
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} else if (hasCity) { //非直辖市
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var c = code - options.city;
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if (options.city && c > 0 && c < 100) { //同个城市的地区
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area[code] = data[code];
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if (options.required && !options.area) {
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options.area = code;
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} else if (isNaN(options.area) && data[code].indexOf(options.area) > -1) {
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options.area = code;
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}
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}
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} else {
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area[code] = data[code]; //直辖市
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if (options.required && !options.area) {
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options.area = code;
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} else if (isNaN(options.area) && data[code].indexOf(options.area) > -1) {
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options.area = code;
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}
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}
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}
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}
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}
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// 更新数据 // 镇：130133100 街道110102001
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// 初始化 town
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$.ajax({
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url: '/dist/dataLocation/town/' + options.area + '.json',
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dataType: 'json',
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async: false, // 去掉异步
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success: function (data) {
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$town.empty();
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for (var i in data) {
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if (!options.town) {// 未定义
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if (i % 100 === 0 || i % 100 === 1 || i % 100 === 2 || i % 100 === 3) {
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options.town = data[i];
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}
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}
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$town.append('<option value="' + (data[i]) + '" data-code="' + i + '">' + data[i] + '</option>');
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}
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}
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});
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};
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var format = {
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province: function () {
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$province.empty();
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if (!options.required) {
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$province.append('<option value=""> - 请选择 - </option>');
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}
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for (var i in province) {
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$province.append('<option value="' + (options.valueType == 'code' ? i : province[i]) + '" data-code="' + i + '">' + province[i] + '</option>');
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}
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if (options.province) {
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var value = options.valueType == 'code' ? options.province : province[options.province];
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$province.val(value);
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}
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this.city();
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},
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city: function () {
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$city.empty();
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if (!hasCity) {
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$city.css('display', 'none').parents(options.wrapClass).css('display', 'none');
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} else {
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$city.css('display', '').parents(options.wrapClass).css('display', '');;
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if (!options.required) {
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$city.append('<option value="">不限</option>');
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}
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if (options.nodata == 'disabled') {
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$city.prop('disabled', $.isEmptyObject(city));
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} else if (options.nodata == 'hidden') {
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$city.css('display', $.isEmptyObject(city) ? 'none' : '').parents(options.wrapClass).css('display', $.isEmptyObject(city) ? 'none' : '');
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}
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for (var i in city) {
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$city.append('<option value="' + (options.valueType == 'code' ? i : city[i]) + '" data-code="' + i + '">' + city[i] + '</option>');
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}
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if (options.city) {
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var value = options.valueType == 'code' ? options.city : city[options.city];
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$city.val(value);
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} else if (options.area) {
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var value = options.valueType == 'code' ? options.area : city[options.area];
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$city.val(value);
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}
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}
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this.area();
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},
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area: function () {
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$area.empty();
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if (!options.required) {
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$area.append('<option value="">不限</option>');
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}
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if (options.nodata == 'disabled') {
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$area.prop('disabled', $.isEmptyObject(area));
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} else if (options.nodata == 'hidden') {
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$area.css('display', $.isEmptyObject(area) ? 'none' : '').parents(options.wrapClass).css('display', $.isEmptyObject(area) ? 'none' : '');
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}
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for (var i in area) {
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$area.append('<option value="' + (options.valueType == 'code' ? i : area[i]) + '" data-code="' + i + '">' + area[i] + '</option>');
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}
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if (options.area) {
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var value = options.valueType == 'code' ? options.area : area[options.area];
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$area.val(value);
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}
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this.town();
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},
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// 添加第四级 街道/镇
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town: function () {
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if (!options.required) {
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$town.append('<option value="">不限</option>');
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}
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if (options.town) {
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var value = options.town;
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$town.val(value);
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}
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}
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};
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//获取当前地理信息
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_api.getInfo = function () {
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var _status = {
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direct: !hasCity,
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province: data[options.province] || '',
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city: data[options.city] || '',
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area: data[options.area] || '',
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// 添加 街道/镇
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town: options.town || '',
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// 地区编码
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code: options.area || options.city || options.province
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};
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return _status;
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};
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//事件绑定
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$province.on('change', function () {
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options.province = $(this).find('option:selected').data('code') || 0; //选中节点的区划代码
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options.city = 0;
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options.area = 0;
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options.town = 0;
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updateData();
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format.city();
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// cb
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options.onChange(_api.getInfo()); // 这里的状态滞后的问题;
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console.log(options)
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});
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$city.on('change', function () {
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options.city = $(this).find('option:selected').data('code') || 0; //选中节点的区划代码
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options.area = 0;
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options.town = 0;
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updateData();
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format.area();
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// cb
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options.onChange(_api.getInfo());
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});
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$area.on('change', function () {
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options.area = $(this).find('option:selected').data('code') || 0; //选中节点的区划代码
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options.town = 0;
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updateData();
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//format.area();
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options.onChange(_api.getInfo());
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});
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// town
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$town.on('change', function () {
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options.town = $(this).find('option:selected').val() || 0; // cur selected
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updateData();
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format.town();
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options.onChange(_api.getInfo());
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});
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//初始化
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updateData();
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format.province(); // => city => area => town
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if (options.code) {
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options.onChange(_api.getInfo());
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}
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getApi(_api);
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}
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});
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});
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};
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}));
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