摘要：之前調用過的聯賽數據在線接口文檔定義請求數據接口參數替換成自己的替換成自己的替換成請求對應數據的接口地址例如請求時間戳初始化請求接口參數調用電競數據接口獲取格式為字符串打印請求結果請求接口字符編碼返回字符串設置請求頭獲取當

之前調用過的DOTA聯賽數據 [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;

// 在線接口文檔: https://www.feijing88.com/doc/esport

public class ESportDemo {

// 定義請求數據API接口參數
private static final String accessKey = "JibasdasdQW3t4ancdsaEh6upUlIcboZ8Euq";    // 【替換成自己的access key】
private static final String secretKey = "cbfWCLgzzxcxaEmSqvckFoO676UHDse";    // 【替換成自己的secret key】
private static final String baseUrl = "esportsapi.feijing88.com";  // 【替換成請求對應數據的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 請求時間戳

public static void main(String[] args) {
  // 初始化請求接口參數
  apiTime = getNowTime();
  String url = baseUrl + path;

  // 調用電競數據 API 接口獲取格式為 JSON 字符串
  String charset = "UTF-8";
  String jsonResult = get(url, charset);
  // 打印請求結果
  System.out.println(jsonResult);
}

/**
 * @param url:請求接口
 * @param charset:字符編碼
 * @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);
    // 設置請求頭
    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;
}

  /**
   * 獲取當前系統的時間戳
   */
  private static String getNowTime() {
    return new Date().getTime() + "";
  }

  /**
   * 獲取Api 加密簽名 算法： md5(secretKey|nowTime()|path)
   *
   * @return Api Sign
   */
  private static String getSign() {
    // 拼接請求加密簽名
    StringBuffer tempStr = new StringBuffer("");
    tempStr.append(secretKey);
    tempStr.append("|");
    tempStr.append(apiTime);
    tempStr.append("|");
    tempStr.append(path);
    return encryption(tempStr.toString());
  }

  /**
   * md5加密，可以替換成你自己的
   * @param plainText 明文
   * @return 32位密文（大寫）
   */
  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);
  }
}