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2020 年最新百强县名单，让我们看看哪个省份最多，各个省份分别有几个
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2020 年最新百强县名单，让我们看看哪个省份最多，各个省份分别有几个
写在前面: 昨天晚上写好的代码，今天来写一篇 blog 记录之
2020 年 赛迪 发布了 (昨天发布的) 最新版本的中国百强县名单 https://weibo.com/1988800805/JdiymbgOD
使用 json 数据 + Java 代码 简单按照 拥有最多百强县省份 排了个序 下面是 输出结果
2020---全国百强县---各省都有多少个江苏省: 26个, 经济最发达的县（市、旗）是: 昆山市浙江省: 18个, 经济最发达的县（市、旗）是: 慈溪市山东省: 15个, 经济最发达的县（市、旗）是: 龙口市湖北省: 7个, 经济最发达的县（市、旗）是: 大冶市福建省: 6个, 经济最发达的县（市、旗）是: 晋江市河南省: 6个, 经济最发达的县（市、旗）是: 新郑市湖南省: 4个, 经济最发达的县（市、旗）是: 长沙县安徽省: 3个, 经济最发达的县（市、旗）是: 肥西县辽宁省: 3个, 经济最发达的县（市、旗）是: 瓦房店市陕西省: 2个, 经济最发达的县（市、旗）是: 神木市新疆维吾尔自治区: 2个, 经济最发达的县（市、旗）是: 库尔勒市内蒙古自治区: 2个, 经济最发达的县（市、旗）是: 准格尔旗河北省: 2个, 经济最发达的县（市、旗）是: 迁安市贵州省: 1个, 这个县（市、旗）是: 仁怀市江西省: 1个, 这个县（市、旗）是: 南昌县广东省: 1个, 这个县（市、旗）是: 博罗县云南省: 1个, 这个县（市、旗）是: 安宁市ranking: 1, county: 昆山市, province: 江苏省ranking: 2, county: 江阴市, province: 江苏省ranking: 3, county: 张家港市, province: 江苏省ranking: 4, county: 晋江市, province: 福建省ranking: 5, county: 常熟市, province: 江苏省ranking: 6, county: 长沙县, province: 湖南省ranking: 7, county: 太仓市, province: 江苏省ranking: 8, county: 慈溪市, province: 浙江省ranking: 9, county: 义乌市, province: 浙江省ranking: 10, county: 龙口市, province: 山东省ranking: 11, county: 宜兴市, province: 江苏省ranking: 12, county: 胶州市, province: 山东省ranking: 13, county: 海门市, province: 江苏省ranking: 14, county: 荣成市, province: 山东省ranking: 15, county: 福清市, province: 福建省ranking: 16, county: 余姚市, province: 浙江省ranking: 17, county: 浏阳市, province: 湖南省ranking: 18, county: 诸暨市, province: 浙江省ranking: 19, county: 海宁市, province: 浙江省ranking: 20, county: 宁乡市, province: 湖南省ranking: 21, county: 乐清市, province: 浙江省ranking: 22, county: 石狮市, province: 福建省ranking: 23, county: 南安市, province: 福建省ranking: 24, county: 泰兴市, province: 江苏省ranking: 25, county: 温岭市, province: 浙江省ranking: 26, county: 如皋市, province: 江苏省ranking: 27, county: 瑞安市, province: 浙江省ranking: 28, county: 启东市, province: 江苏省ranking: 29, county: 桐乡市, province: 浙江省ranking: 30, county: 迁安市, province: 河北省ranking: 31, county: 丹阳市, province: 江苏省ranking: 32, county: 海安市, province: 江苏省ranking: 33, county: 靖江市, province: 江苏省ranking: 34, county: 滕州市, province: 山东省ranking: 35, county: 如东县, province: 江苏省ranking: 36, county: 惠安县, province: 福建省ranking: 37, county: 溧阳市, province: 江苏省ranking: 38, county: 准格尔旗, province: 内蒙古自治区ranking: 39, county: 寿光市, province: 山东省ranking: 40, county: 新郑市, province: 河南省ranking: 41, county: 诸城市, province: 山东省ranking: 42, county: 南昌县, province: 江西省ranking: 43, county: 仁怀市, province: 贵州省ranking: 44, county: 神木市, province: 陕西省ranking: 45, county: 东台市, province: 江苏省ranking: 46, county: 邳州市 (pī zhōu shì), province: 江苏省ranking: 47, county: 平度市, province: 山东省ranking: 48, county: 莱州市, province: 山东省ranking: 49, county: 平湖市, province: 浙江省ranking: 50, county: 三河市, province: 河北省ranking: 51, county: 巩义市, province: 河南省ranking: 52, county: 招远市, province: 山东省ranking: 53, county: 长兴县, province: 浙江省ranking: 54, county: 仪征市, province: 江苏省ranking: 55, county: 邹城市, province: 山东省ranking: 56, county: 闽侯县, province: 福建省ranking: 57, county: 嘉善县, province: 浙江省ranking: 58, county: 肥城市, province: 山东省ranking: 59, county: 兴化市, province: 江苏省ranking: 60, county: 宁海县, province: 浙江省ranking: 61, county: 伊金霍洛旗, province: 内蒙古自治区ranking: 62, county: 新密市, province: 河南省ranking: 63, county: 肥西县, province: 安徽省ranking: 64, county: 东阳市, province: 浙江省ranking: 65, county: 永城市, province: 河南省ranking: 66, county: 荥阳市 (xíng yáng shì), province: 江苏省ranking: 67, county: 扬中市, province: 江苏省ranking: 68, county: 济源市, province: 河南省ranking: 69, county: 沛县, province: 江苏省ranking: 70, county: 玉环市, province: 浙江省ranking: 71, county: 瓦房店市, province: 辽宁省ranking: 72, county: 大冶市, province: 湖北省ranking: 73, county: 广饶县, province: 山东省ranking: 74, county: 醴陵市 (lǐ líng shì), province: 湖南省ranking: 75, county: 莱西市, province: 山东省ranking: 76, county: 新泰市, province: 山东省ranking: 77, county: 宜都市, province: 湖北省ranking: 78, county: 沐阳县, province: 江苏省ranking: 79, county: 仙桃市, province: 湖北省ranking: 80, county: 邹平市, province: 山东省ranking: 81, county: 高邮市, province: 江苏省ranking: 82, county: 句容市, province: 江苏省ranking: 83, county: 临海市, province: 浙江省ranking: 84, county: 射阳县, province: 江苏省ranking: 85, county: 永康市, province: 浙江省ranking: 86, county: 苍南县, province: 浙江省ranking: 87, county: 海城市, province: 辽宁省ranking: 88, county: 潜江市, province: 湖北省ranking: 89, county: 庄河市, province: 辽宁省ranking: 90, county: 长丰县, province: 安徽省ranking: 91, county: 安宁市, province: 云南省ranking: 92, county: 肥东县, province: 安徽省ranking: 93, county: 博罗县, province: 广东省ranking: 94, county: 枣阳市, province: 湖北省ranking: 95, county: 库尔勒市, province: 新疆维吾尔自治区ranking: 96, county: 汝州市, province: 河南省ranking: 97, county: 汉川市, province: 湖北省ranking: 98, county: 昌吉市, province: 新疆维吾尔自治区ranking: 99, county: 枝江市, province: 湖北省ranking: 100, county: 府谷县, province: 陕西省部分代码
FileUtil.java
import java.io.BufferedReader;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.IOException;import java.io.InputStreamReader;import java.io.UnsupportedEncodingException;public class FileUtil { public static String readFile(String path) throws FileNotFoundException, UnsupportedEncodingException { BufferedReader reader = null; StringBuffer sb = new StringBuffer(); FileInputStream fileInputStream = new FileInputStream(path); InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, "UTF-8"); reader = new BufferedReader(inputStreamReader); String tempString; while ((tempString = reader.readLine()) != null) { sb.append(tempString); reader.close(); catch (IOException e) { e.printStackTrace(); finally { if (reader != null) { reader.close(); catch (IOException e) { e.printStackTrace(); return sb.toString();Top100County.java
import com.alibaba.fastjson.JSON;import java.io.FileNotFoundException;import java.io.UnsupportedEncodingException;import java.util.ArrayList;import java.util.Comparator;import java.util.HashMap;import java.util.List;import java.util.Map;public class Top100County { public static void main(String[] args) throws FileNotFoundException, UnsupportedEncodingException { String path = "E:\\personal-projects\\TestJava\\src\\json\\top100.json"; String jsonContent = FileUtil.readFile(path); List<County> counties = JSON.parseArray(jsonContent, County.class);// for (County item : counties) {// System.out.println(item.toString()); Map<String, Integer> map = new HashMap<>(); for (County item : counties) { String province = item.getProvince(); if (map.containsKey(province)) { Integer value = map.get(province); map.put(province, ++value); else { map.put(province, 1);// for (Map.Entry<String, Integer> entry : map.entrySet()) {// System.out.println(entry.getKey() + " " + entry.getValue()); List<Map.Entry<String, Integer>> list = new ArrayList<>(map.entrySet()); list.sort(new Comparator<Map.Entry<String, Integer>>() { @Override public int compare(Map.Entry<String, Integer> o1, Map.Entry<String, Integer> o2) { return o2.getValue() - o1.getValue(); System.out.println("2020---全国百强县---各省都有多少个"); System.out.println(); for (Map.Entry<String, Integer> entry : list) { // 该省份有多少个百强县 int count = entry.getValue(); String currentProvince = entry.getKey(); String displayCounty = mostProsperousCounty(currentProvince, counties); if (count > 1) { System.out.println(currentProvince + ": " + count + "个, 经济最发达的县（市、旗）是: " + displayCounty); else { System.out.println(currentProvince + ": " + count + "个, 这个县（市、旗）是: " + displayCounty); * 计算 该省份 经济最发达的县 市 旗 private static String mostProsperousCounty(String currentProvince, List<County> counties) { String mostProsperousCounty = ""; for (County item : counties) { String province = item.getProvince(); if (currentProvince.equalsIgnoreCase(province)) { mostProsperousCounty = item.getCounty(); break; return mostProsperousCounty;本文中使用的原始 json 文件 可以从此处预览: https://paste.ubuntu.com/p/2FxRQgcQ8w/
上面的 json 在 ubuntu paste 上设置了永不过期 但不排除 会过期的可能。参考这篇回答: Ubuntu paste上的代码保存多长时间？ https://www.zhihu.com/question/265590742
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