圆通物流轨迹查询（非第三方）

准备工作：

1. 登录圆通开放平台（http://open.yto.net.cn/home），申请账号，填写开发者信息
   

2. 添加api接口，获取生产api接口账号信息

代码如下：

import java.security.MessageDigest;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import org.apache.commons.lang3.StringUtils;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 圆通物流查询类
 */
public class YTO {

	private static final Logger logger = LoggerFactory.getLogger(YTO.class);

	/** 签名格式 */
	public static final String SIGN_FOMART = "%sapp_key%sformat%smethod%stimestamp%suser_id%sv%s";

	/** 圆通物流URL */
	public static final String URL = "http://openapi.yto.net.cn/service/waybill_query/v1/rTVipn";

	/** 日期格式化 */
	public static SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

	public static void main(String[] args) {
		YTO yto = new YTO();
		// 需替换为真实的生产参数
		String ret = yto.query("sF1Jzn", "JSON", "yto.Marketing.WaybillTrace", "YTOTEST", "1.01", "11QLlIZ",
				"YT88888888888");
		logger.info(ret);
	}

	/**
	 * 查询物流
	 * 
	 * @param appKey 分配给应用的客户编码（sF1Jzn）
	 * @param format param格式(JSON/XML)
	 * @param method 分配给用户的方法名（yto.Marketing.WaybillTrace）
	 * @param userId 用户在开放平台注册时填写的客户标识（YTOTEST）
	 * @param v API协议的版本号（1.01）
	 * @param scret 分配给用记的密钥（11QLlIZ）
	 * @param no
	 * @return
	 */
	public String query(String appKey, String format, String method, String userId, String v, String scret, String no) {
		String timestamp = dateFormat.format(new Date());
		// 组装
		String sign = String.format(SIGN_FOMART, scret, appKey, format, method, timestamp, userId, v);
		// MD5
		sign = encryption(sign);
		// 转大写
		if (StringUtils.isBlank(sign)) {
			return null;
		}
		sign = sign.toUpperCase();
		Map<String, String> params = new HashMap<>();
		params.put("sign", sign);
		params.put("app_key", appKey);
		params.put("format", format);
		params.put("method", method);
		params.put("timestamp", timestamp);
		params.put("user_id", userId);
		params.put("v", v);
		params.put("param", "[{\"Number\":\"" + no + "\"}]");
		try {
			return httpPost(URL, params);
		} catch (Exception e) {
			logger.error("查询圆通异常", e);
		}
		return null;

	}

	/***
	 * HttpPost请求
	 * 
	 * @param url
	 * @param requestParams
	 * @return
	 * @throws Exception
	 */
	public static String httpPost(String url, Map<String, String> requestParams) throws Exception {
		String result = null;

		HttpPost httpPost = new HttpPost(url);
		List<NameValuePair> params = new ArrayList<>();
		Iterator<Entry<String, String>> it = requestParams.entrySet().iterator();
		while (it.hasNext()) {
			Entry<String, String> en = it.next();
			String key = en.getKey();
			String value = en.getValue();
			if (value != null) {
				params.add(new BasicNameValuePair(key, value));
			}
		}
		httpPost.setEntity(new UrlEncodedFormEntity(params, "UTF-8"));
		/** HttpResponse */
		try (CloseableHttpClient httpClient = HttpClients.createDefault();
				CloseableHttpResponse httpResponse = httpClient.execute(httpPost);) {
			HttpEntity httpEntity = httpResponse.getEntity();
			result = EntityUtils.toString(httpEntity, "UTF-8");
			EntityUtils.consume(httpEntity);
		} catch (Exception e) {
			logger.error("http请求异常", e);
		}
		return result;
	}

	/**
	 * 32位Md5加密
	 * 
	 * @param plainText
	 * @return
	 */
	public static String encryption(String plainText) {
		String reMd5 = null;
		try {
			MessageDigest md = MessageDigest.getInstance("MD5");
			md.update(plainText.getBytes());
			byte b[] = md.digest();
			int i;
			StringBuilder buf = new StringBuilder("");
			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));
			}
			reMd5 = buf.toString();
		} catch (Exception e) {
			logger.error("md5加密异常", e);
		}
		return reMd5;
	}
}