使用聚合数据实现Json解析全国市县区按汉字首字母排序

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.text.Collator;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
 
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
 
public class Test_1 {
	private static String result_info = "";
	static List<String>   list_district = new ArrayList<String>();
	public static void main(String[] args) {
 
		URL url;
		try {
 
			url = new URL(
					"http://v.juhe.cn/postcode/pcd?dtype=json&key=9da.......");/需要自己申请 聚合数据的 apikey
			HttpURLConnection urlcon = (HttpURLConnection) url.openConnection();
			urlcon.connect(); // 获取连接
			InputStream is = urlcon.getInputStream();
			BufferedReader buffer = new BufferedReader(new InputStreamReader(
					is, "utf-8"));
			StringBuffer bs = new StringBuffer();
			String linputline = null;
			while ((linputline = buffer.readLine()) != null) {
				result_info += linputline + "\n";
			}
			// System.out.println(result_info);///所有信息不用输出
			if (!result_info.equals("")) {
				JSONObject dataJson = JSONObject.fromObject(result_info);
				System.out.println(dataJson.getString("reason"));
 
				// JSONObject result_province =
				// dataJson.getJSONObject("result");
				for (int j = 0; j < 31; j++) {
					JSONArray result_province_array = dataJson
							.getJSONArray("result");
					String province = result_province_array.getJSONObject(j)
							.getString("province");
//					System.out.println(j + 1 + ":  " + province);
					list_district.add(province);
					JSONArray result_province_city_array = result_province_array
							.getJSONObject(j).getJSONArray("city");
					for (int k = 0; k < result_province_city_array.size(); k++) {
						String city = result_province_city_array.getJSONObject(
								k).getString("city");
						String city_id = result_province_city_array
								.getJSONObject(k).getString("id");
//
//						System.out.println(j + 1 + city_id + ":  " + province
//								+ ":" + city);
						list_district.add(province + "   " + city);
						
						JSONArray result_province_city_district_array = result_province_city_array
								.getJSONObject(k).getJSONArray("district");
 
						for (int m = 0; m < result_province_city_district_array
								.size(); m++) {
							String district_id = result_province_city_district_array
									.getJSONObject(m).getString("id");
							String district = result_province_city_district_array
									.getJSONObject(m).getString("district");
 
//							System.out.println(j + 1 + city_id + district_id
//									+ ":  " + province + "   " + city + "  "
//									+ district);
							list_district.add(province + "   " + city + "  "
									+ district);
						
			
						}// /for m
 
					}// /for k
 
				}// /for j
 
			}//if
			String[]  str_district = new String[list_district.size()];
			
			for(int n=0;n<list_district.size();n++){
				str_district[n]=list_district.get(n);
				//System.out.println(str_district[n]);
				
			}
			Comparator   c= Collator.getInstance(Locale.CHINA);
			Arrays.sort(str_district, c);
			
			
			for(int p=0;p<str_district.length;p++){
	 
				System.out.println(str_district[p]);
				
			}
			
			
			
			
			
 
		} catch (MalformedURLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
 
		
		
		
 
	}///main
}

successed
安徽省
安徽省 安庆市
安徽省 安庆市 大观区
安徽省 安庆市 怀宁县

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这6个jar必须要有: