判断某一天是否是节假日

请求url

http://www.easybots.cn/api/holiday.php?d=20160104

返回值:

工作日对应结果为 0, 休息日对应结果为 1, 节假日对应的结果为 2；

• 检查一个日期是否为节假日 http://www.easybots.cn/api/holiday.php?d=20130101

• 检查多个日期是否为节假日 http://www.easybots.cn/api/holiday.php?d=20130101,20130103,20130105,20130201

• 获取2012年1月份节假日 http://www.easybots.cn/api/holiday.php?m=201201

• 获取2013年1/2月份节假日 http://www.easybots.cn/api/holiday.php?m=201301,201302

package xiaoshuang.spark;

import com.google.gson.Gson;
import org.apache.commons.lang.StringUtils;
import sun.lwawt.macosx.CPrinterDevice;


import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.util.*;

public class APIHelper {
    /* 工作日对应结果为 0, 休息日对应结果为 1, 节假日对应的结果为 2；*/
    private static final String DATE_API = "http://www.easybots.cn/api/holiday.php";

    /**
     * 判断所给日期为什么类型,
     *
     * @param date 日期 20200404
     * @return 0 工作日, 1 休息日, 2 节假日, -1 为判断出错
     */
    public static int holidayType(String dateStr) {
        Integer result = -1;
        String httpArg = "d=" + dateStr;
        String jsonResult = request(DATE_API, httpArg);
        System.out.println(jsonResult);
        result = Integer.parseInt(jsonResult.replace("\"", "")
                .replace("{", "")
                .replace("}", "")
                .split(":")[1]);
        return result;
    }

    public static Map<String, String> getMoreDaysType(int days) {
        String dateStr = "";
        LocalDate localDate = LocalDate.now();
        String pt = String.valueOf(localDate.minusDays(1)).replace("-", "");
        String datept0 = String.valueOf(localDate.minusDays(days)).replace("-", "");
        for (int i = days; i >= 1; i--) {
            String currdays = String.valueOf(localDate.minusDays(i)).replace("-", "");
            if (i == 1) {
                dateStr = dateStr + currdays;
            } else {
                dateStr = dateStr + currdays + ",";
            }
        }
        System.out.println(dateStr);
        String httpArg = "d=" + dateStr;
        String jsonResult = request(DATE_API, httpArg);
        System.out.println(jsonResult);
        Map<String, String> result = new LinkedHashMap<>();
        String[] arr = jsonResult.replace("\"", "")
                .replace("{", "")
                .replace("}", "")
                .split(",");
        for (String str : arr) {
            String[] elem = str.split(":");
            result.put(elem[0], elem[1]);
        }
        return result;
    }

    /**
     * @param httpUrl :请求接口
     * @param httpArg :参数
     * @return 返回结果
     */
    public static String request(String httpUrl, String httpArg) {
        BufferedReader reader = null;
        String result = null;
        StringBuffer sbf = new StringBuffer();
        httpUrl = httpUrl + "?" + httpArg;

        try {
            URL url = new URL(httpUrl);
            HttpURLConnection connection = (HttpURLConnection) url
                    .openConnection();
            connection.setRequestMethod("GET");
            connection.connect();
            InputStream is = connection.getInputStream();
            reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
            String strRead = null;
            while ((strRead = reader.readLine()) != null) {
                sbf.append(strRead);
            }
            reader.close();
            result = sbf.toString();
            connection.disconnect();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }


    public static void main(String[] args) throws ParseException {
//        System.out.println(holidayType("20200404"));
        System.out.println(getMoreDaysType(30));


    }
}

 20200229,20200301,20200302,20200303,20200304,20200305,20200306,20200307,20200308,20200309,20200310,20200311,20200312,20200313,20200314,20200315,20200316,20200317,20200318,20200319,20200320,20200321,20200322,20200323,20200324,20200325,20200326,20200327,20200328,20200329

{"20200229":"1","20200301":"1","20200302":"0","20200303":"0","20200304":"0","20200305":"0","20200306":"0","20200307":"1","20200308":"1","20200309":"0","20200310":"0","20200311":"0","20200312":"0","20200313":"0","20200314":"1","20200315":"1","20200316":"0","20200317":"0","20200318":"0","20200319":"0","20200320":"0","20200321":"1","20200322":"1","20200323":"0","20200324":"0","20200325":"0","20200326":"0","20200327":"0","20200328":"1","20200329":"1"}

{20200229=1, 20200301=1, 20200302=0, 20200303=0, 20200304=0, 20200305=0, 20200306=0, 20200307=1, 20200308=1, 20200309=0, 20200310=0, 20200311=0, 20200312=0, 20200313=0, 20200314=1, 20200315=1, 20200316=0, 20200317=0, 20200318=0, 20200319=0, 20200320=0, 20200321=1, 20200322=1, 20200323=0, 20200324=0, 20200325=0, 20200326=0, 20200327=0, 20200328=1, 20200329=1}