电竞DOTA2联赛数据api示例代码

摘要：之前调用过的联赛数据在线接口文档定义请求数据接口参数替换成自己的替换成自己的替换成请求对应数据的接口地址例如请求时间戳初始化请求接口参数调用电竞数据接口获取格式为字符串打印请求结果请求接口字符编码返回字符串设置请求头获取当

之前调用过的DOTA联赛数据 [https://www.feijing88.com/esport]

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Iterator;
import java.util.Date;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Locale;

// 在线接口文档: https://www.feijing88.com/doc/esport

public class ESportDemo {

// 定义请求数据API接口参数
private static final String accessKey = "JibasdasdQW3t4ancdsaEh6upUlIcboZ8Euq";    // 【替换成自己的access key】
private static final String secretKey = "cbfWCLgzzxcxaEmSqvckFoO676UHDse";    // 【替换成自己的secret key】
private static final String baseUrl = "esportsapi.feijing88.com";  // 【替换成请求对应数据的api接口地址】
private static String path = " /data-service/dota/league/list?offset=0&limit=10";                              // api path 例如：/data-service/lol/raw/hero
private static String apiTime = System.currentTimeMillis();                           // api 请求时间戳

public static void main(String[] args) {
  // 初始化请求接口参数
  apiTime = getNowTime();
  String url = baseUrl + path;

  // 调用电竞数据 API 接口获取格式为 JSON 字符串
  String charset = "UTF-8";
  String jsonResult = get(url, charset);
  // 打印请求结果
  System.out.println(jsonResult);
}

/**
 * @param url:请求接口
 * @param charset:字符编码
 * @return 返回json字符串
 */
public static String get(String url, String charset) {
  BufferedReader reader = null;
  String result = null;
  StringBuffer sbf = new StringBuffer();
  String userAgent = "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.66 Safari/537.36";

  try {
    URL newUrl = new URL(url);
    HttpURLConnection connection = (HttpURLConnection)newUrl.openConnection();
    connection.setRequestMethod("GET");
    connection.setReadTimeout(30000);
    connection.setConnectTimeout(30000);
    connection.setRequestProperty("User-agent", userAgent);
    // 设置请求头
    connection.setRequestProperty("Content-Type", "application/json;charset=utf-8");
    connection.setRequestProperty("Accept-ApiAccess", accessKey);
    connection.setRequestProperty("Accept-ClientTime", apiTime);
    connection.setRequestProperty("Accept-ApiSign", getSign());

    System.out.println(getSign());

    InputStream is = connection.getInputStream();
    reader = new BufferedReader(new InputStreamReader(is, charset));
    String strRead = null;
    while ((strRead = reader.readLine()) != null) {
      sbf.append(strRead);
      sbf.append("
");
      reader.close();
      result = sbf.toString();
    }
  } catch (Exception e) {
      e.printStackTrace();
  } finally {
    try {
      if (reader != null) {
        reader.close();
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
  return result;
}

  /**
   * 获取当前系统的时间戳
   */
  private static String getNowTime() {
    return new Date().getTime() + "";
  }

  /**
   * 获取Api 加密签名 算法： md5(secretKey|nowTime()|path)
   *
   * @return Api Sign
   */
  private static String getSign() {
    // 拼接请求加密签名
    StringBuffer tempStr = new StringBuffer("");
    tempStr.append(secretKey);
    tempStr.append("|");
    tempStr.append(apiTime);
    tempStr.append("|");
    tempStr.append(path);
    return encryption(tempStr.toString());
  }

  /**
   * md5加密，可以替换成你自己的
   * @param plainText 明文
   * @return 32位密文（大写）
   */
  private static String encryption(String plainText) {
    String resultMd5 = new String();
    try {
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(plainText.getBytes());
        byte b[] = md.digest();

        int i;

        StringBuffer buf = new StringBuffer("");
        for (int offset = 0; offset < b.length; offset++) {
            i = b[offset];
            if (i < 0)
                i += 256;
            if (i < 16)
                buf.append("0");
            buf.append(Integer.toHexString(i));
        }

        resultMd5 = buf.toString();

    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return resultMd5.toUpperCase(Locale.ENGLISH);
  }
}