package com.mzl.flower.utils;
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import org.dom4j.Document;
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import org.dom4j.DocumentException;
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import org.dom4j.Element;
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import org.dom4j.io.SAXReader;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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/**
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* 选择地区工具，包含全国各地省级市级
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* @author licheng
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*
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*/
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public class LocalUtil {
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//各地区xml文件路径
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private static final String LOCAL_LIST_PATH = "/LocList.xml";
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//所有国家名称List
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private static final List<String> COUNTRY_REGION = new ArrayList<String>();
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private static LocalUtil localutil;
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private SAXReader reader;
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private Document document;
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private Element rootElement; //根元素
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//初始化
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private LocalUtil(){
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//1.读取
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reader = new SAXReader();
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try {
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document = reader.read(this.getClass().getResourceAsStream(LOCAL_LIST_PATH));
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} catch (DocumentException e) {
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e.printStackTrace();
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}
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//2.获得根元素
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rootElement = document.getRootElement();
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//3.初始化所有国家名称列表
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Iterator it = rootElement.elementIterator();
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Element ele = null;
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while(it.hasNext()){
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ele = (Element)it.next();
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COUNTRY_REGION.add(ele.attributeValue("Name"));
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}
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}
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/**
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*
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* @TODO 功能： 获取所有国家名称
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* @return String[]
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*/
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public List<String> getCountry(){
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return COUNTRY_REGION;
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}
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/**
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*
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* @TODO 功能： 根据国家名获取该国所有省份
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* @param countryName 国家名，从getCountry()从取出
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* @return List<Element>
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*/
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private List<Element> provinces(String countryName){
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Iterator it = rootElement.elementIterator();
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List<Element> provinces = new ArrayList<Element>();
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Element ele = null;
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while(it.hasNext()){
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ele = (Element)it.next();
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if(ele.attributeValue("Name").equals(countryName)){
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provinces = ele.elements();
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break;
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}
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}
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return provinces;
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}
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/**
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*
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* @TODO 功能： 根据国家名获取该国所有省份
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* @param countryName 国家名，从getCountry()从取出
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* @return List<Element>
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*/
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public List<String> getProvinces(String countryName){
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List<Element> tmp = this.provinces(countryName);
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List<String> list = new ArrayList<String>();
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for(int i=0; i<tmp.size(); i++){
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list.add(tmp.get(i).attributeValue("Name"));
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}
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return list;
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}
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/**
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*
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* @TODO 功能：根据国家名和省份名，获取该省城市名列表
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* @param
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* @param provinceName
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* @return
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*/
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private List<Element> cities(String countryName, String provinceName){
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List<Element> provinces = this.provinces(countryName);
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List<Element> cities = new ArrayList<Element>();
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if(provinces==null || provinces.size()==0){ //没有这个城市
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return cities;
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}
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for(int i=0; i<provinces.size(); i++){
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if(provinces.get(i).attributeValue("Name").equals(provinceName)){
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cities = provinces.get(i).elements();
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break;
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}
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}
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return cities;
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}
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/**
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*
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* @TODO 功能：根据国家名和省份名获取城市列表
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* @param countryName
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* @param provinceName
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* @return List<String>
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*/
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public List<String> getCities(String countryName, String provinceName){
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List<Element> tmp = this.cities(countryName, provinceName);
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List<String> cities = new ArrayList<String>();
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for(int i=0; i<tmp.size(); i++){
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cities.add(tmp.get(i).attributeValue("Name"));
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}
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return cities;
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}
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/**
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* @param
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* @param provinceName
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* @return
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* @TODO 功能：根据国家名和省份名和城市名，获取该城市县级名称列表
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*/
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private List<Element> districts(String countryName, String provinceName, String city) {
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//获取城市名称
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List<Element> cities1 = this.cities(countryName, provinceName);
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List<Element> cities = new ArrayList<Element>();
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if (cities1 == null || cities1.size() == 0) { //没有这个县
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return cities;
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}
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for (int i = 0; i < cities1.size(); i++) {
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if (cities1.get(i).attributeValue("Name").equals(city)) {
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cities = cities1.get(i).elements();
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break;
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}
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}
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return cities;
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}
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/**
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* @param countryName
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* @param provinceName
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* @return List<String>
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* @TODO 功能：根据国家,省份和城市名获取县级名称
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*/
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public List<String> getDistrict(String countryName, String provinceName, String city) {
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List<Element> tmp = this.districts(countryName, provinceName, city);
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List<String> cities = new ArrayList<String>();
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for (int i = 0; i < tmp.size(); i++) {
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cities.add(tmp.get(i).attributeValue("Name"));
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}
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return cities;
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}
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public static LocalUtil getInstance(){
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if(localutil == null){
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localutil = new LocalUtil();
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}
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return localutil;
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}
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public static LocalUtil getNewInstance(){
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localutil = new LocalUtil();
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return localutil;
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}
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}
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