请求demo

MD5Util

public class MD5Util {
	public static String getMD5String(String value) {
        try {
            MessageDigest md = MessageDigest.getInstance("md5");
            byte[] e = md.digest(value.getBytes());
            return toHexString(e);
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
            return value;
        }
    }
 
    public static String getMD5String(byte[] bytes) {
        try {
            MessageDigest md = MessageDigest.getInstance("md5");
            byte[] e = md.digest(bytes);
            return toHexString(e);
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
            return "";
        }
    }
 
    private static String toHexString(byte bytes[]) {
        StringBuilder hs = new StringBuilder();
        String stmp = "";
        for (int n = 0; n < bytes.length; n++) {
            stmp = Integer.toHexString(bytes[n] & 0xff);
            if (stmp.length() == 1)
                hs.append("0").append(stmp);
            else
                hs.append(stmp);
        }
 
        return hs.toString();
    }
}

签名工具类

/**
 * @author admin
 *
 */
public class SignUtil {
	static Logger log = LoggerFactory.getLogger(SignUtil.class);

	/**
	 * 签名校验
	 * 
	 * @param param
	 * @return
	 */
	public static boolean checkSign(Map<String, String> param, String signKey) {
		String sign = param.get("sign");
		if (StringUtils.isBlank(sign)) {
			return false;
		}

		if (sign.length() != 32) {
			return false;
		}
		param.remove("sign");

		String tempSign = getSign(param, signKey);
		return tempSign.equalsIgnoreCase(sign);
	}

	public static String getSign(Map<String, String> param, String signKey) {
		String tempSign = MD5Util.getMD5String(sortParam(param, signKey));
		return tempSign;
	}

	private static String sortParam(Map<String, String> param, String signKey) {
		List<String> keys = new ArrayList<String>(param.keySet());
		// 排序
		Collections.sort(keys);
		StringBuilder sb = new StringBuilder();
		for (String key : keys) {
			if (StringUtils.isBlank(param.get(key))) {
				continue;
			}
			if (StringUtils.isNotBlank(sb.toString())) {
				sb.append("&");
			}
			sb.append(key);
			sb.append("=");
			sb.append(param.get(key));
		}
		sb.append("&");
		sb.append("key=");
		sb.append(signKey);
		return sb.toString();
	}

	public static String sortParam(Map<String, String> param) {
		List<String> keys = new ArrayList<String>(param.keySet());
		// 排序
		Collections.sort(keys);
		StringBuilder sb = new StringBuilder();
		for (String key : keys) {
			if (StringUtils.isBlank(param.get(key))) {
				continue;
			}
			if (StringUtils.isNotBlank(sb.toString())) {
				sb.append("&");
			}
			sb.append(key);
			sb.append("=");
			sb.append(param.get(key));
		}
		return sb.toString();
	}
}

接口请求demo

public class Test {

    private static final Logger log = LoggerFactory.getLogger(Test.class);

    private static final Integer clientId = 2;
    private static final String secretKey = "nmvaCw5EsyaAmEQul1k5crRwXr2S8dWw";

    public static void main(String [] args){
        //注册并登录
        userLogin();
        //上分
        addCoin();
        //下分
        descCoin();
        //查询余额
        getCoin();
    }

    public static String userLogin() {
        Map<String, String> param = new HashMap<>();
        try {
            param.put("time", System.currentTimeMillis() + "");
            param.put("clientId", clientId + "");
            param.put("loginId", "1000");
            param.put("coin", "usdt");
            param.put("lang", "zh_cn");
            param.put("returnUrl", URLEncoder.encode("http://www.baidu.com", "utf-8"));
            String sign = SignUtil.getSign(param, secretKey);
            param.put("sign", sign);
            HttpClientResult result = HttpClientUtils.doPost("http://host/users/open/userLogin", param);
            System.out.println("游戏地址："+result.getContent());
            if(result.getCode() == HttpStatus.SC_OK){
                return result.getContent();
            }else {
                //TODO 错误
            }
        } catch (Throwable e) {
            e.printStackTrace();
        }
        return null;
    }

    public static Double addCoin(){
        Map<String, String> param = new HashMap<>();
        try {
            param.put("time", System.currentTimeMillis() + "");
            param.put("clientId", clientId + "");
            param.put("loginId", "1000");
            param.put("coin", "usdt");
            param.put("orderId",UUID.randomUUID().toString());//此参数为了方式重复操作
            param.put("amount","1.0");
            String sign = SignUtil.getSign(param, secretKey);
            param.put("sign", sign);
            HttpClientResult result = HttpClientUtils.doPost("http://host/users/open/changeCoin", param);
            System.out.println("加 1.0,操作后余额："+result.getContent());
            if(result.getCode() == HttpStatus.SC_OK){
                return new BigDecimal(result.getContent()).stripTrailingZeros().doubleValue();
            }else {
                //TODO 错误
            }
        } catch (Throwable e) {
            e.printStackTrace();
        }
        return null;
    }

    public static Double descCoin(){
        Map<String, String> param = new HashMap<>();
        try {
            param.put("time", System.currentTimeMillis() + "");
            param.put("clientId", clientId + "");
            param.put("loginId", "1000");
            param.put("coin", "usdt");
            param.put("orderId", UUID.randomUUID().toString());//此参数为了方式重复操作
            param.put("amount","-0.001");
            String sign = SignUtil.getSign(param, secretKey);
            param.put("sign", sign);
            HttpClientResult result = HttpClientUtils.doPost("http://host/users/open/changeCoin", param);
            System.out.println("减0.001，操作后余额："+result.getContent());
            if(result.getCode() == HttpStatus.SC_OK){
                return new BigDecimal(result.getContent()).stripTrailingZeros().doubleValue();
            }else {
                //TODO 错误
            }
        } catch (Throwable e) {
            e.printStackTrace();
        }
        return null;
    }

    public static Double getCoin(){
        Map<String, String> param = new HashMap<>();
        try {
            param.put("time", System.currentTimeMillis() + "");
            param.put("clientId", clientId + "");
            param.put("loginId", "1000");
            param.put("coin", "usdt");
            String sign = SignUtil.getSign(param, secretKey);
            param.put("sign", sign);
            HttpClientResult result = HttpClientUtils.doPost("http://host/users/open/getCoin", param);
            System.out.println("查询余额："+result.getContent());
            if(result.getCode() == HttpStatus.SC_OK){
                return new BigDecimal(result.getContent()).stripTrailingZeros().doubleValue();
            }else {
                //TODO 错误
            }
        } catch (Throwable e) {
            e.printStackTrace();
        }
        return null;
    }
}