import java.io.BufferedReader;import java.io.IOException; import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.io.UnsupportedEncodingException;import java.net.HttpURLConnection;import java.net.URL;import java.net.URLEncoder;import java.util.HashMap;import java.util.Map;import com.sun.org.apache.xerces.internal.impl.dv.util.Base64;import java.security.MessageDigest; public class KdGoldAPIDemo {		//电商ID	private String EBusinessID="1237100";		//电商加密私钥,快递鸟提供,注意保管,不要泄漏(需重新申请ID)	private String AppKey="518a73d8-1f7f-441a-b644-33e77b49d846";		//请求url	private String ReqURL="http://api.kdniao.cc/Ebusiness/EbusinessOrderHandle.aspx";	 	/**     * Json方式  物流信息订阅	 * @throws Exception      */	public String orderTracesSubByJson() throws Exception{		String requestData="{'Code': 'SF','Item': ["+                           "{'No': '909261024507','Bk': 'test'},"+                           "{'No': '589554393102','Bk': 'test'},"+                           "{'No': '589522101958','Bk': 'test'},"+                           "{'No': '909198822942', 'Bk': 'test'}"+                           "]}";				Map
 params = new HashMap
(); params.put("RequestData", urlEncoder(requestData, "UTF-8")); params.put("EBusinessID", EBusinessID); params.put("RequestType", "1005"); String dataSign=encrypt(requestData, AppKey, "UTF-8"); params.put("DataSign", urlEncoder(dataSign, "UTF-8")); params.put("DataType", "2"); String result=sendPost(ReqURL, params); //根据公司业务处理返回的信息...... return result; } /**     * XML方式  物流信息订阅  * @throws Exception      */ public String orderTracesSubByXml() throws Exception{ String requestData="
"+ "
"+ "
SF"+ "
"+ "
"+ "
909261024507
"+ "
test
"+ "
"+ "
"+ "
909261024507
"+ "
test
"+ "
"+ "
"+ "
"; Map
 params = new HashMap
(); params.put("RequestData", urlEncoder(requestData, "UTF-8")); params.put("EBusinessID", EBusinessID); params.put("RequestType", "1005"); String dataSign=encrypt(requestData, AppKey, "UTF-8"); params.put("DataSign", urlEncoder(dataSign, "UTF-8")); params.put("DataType", "1"); String result=sendPost(ReqURL, params); //根据公司业务处理返回的信息...... return result; } /**     * MD5加密     * @param str 内容            * @param charset 编码方式  * @throws Exception      */ @SuppressWarnings("unused") private String MD5(String str, String charset) throws Exception {     MessageDigest md = MessageDigest.getInstance("MD5");     md.update(str.getBytes(charset));     byte[] result = md.digest();     StringBuffer sb = new StringBuffer(32);     for (int i = 0; i < result.length; i++) {         int val = result[i] & 0xff;         if (val <= 0xf) {             sb.append("0");         }         sb.append(Integer.toHexString(val));     }     return sb.toString().toLowerCase(); } /**     * base64编码     * @param str 内容            * @param charset 编码方式  * @throws UnsupportedEncodingException      */ private String base64(String str, String charset) throws UnsupportedEncodingException{ String encoded = Base64.encode(str.getBytes(charset)); return encoded;     } @SuppressWarnings("unused") private String urlEncoder(String str, String charset) throws UnsupportedEncodingException{ String result = URLEncoder.encode(str, charset); return result; } /**     * 电商Sign签名生成     * @param content 内容        * @param keyValue Appkey       * @param charset 编码方式  * @throws UnsupportedEncodingException ,Exception  * @return DataSign签名     */ @SuppressWarnings("unused") private String encrypt (String content, String keyValue, String charset) throws UnsupportedEncodingException, Exception { if (keyValue != null) { return base64(MD5(content + keyValue, charset), charset); } return base64(MD5(content, charset), charset); }  /**     * 向指定 URL 发送POST方法的请求          * @param url 发送请求的 URL         * @param params 请求的参数集合          * @return 远程资源的响应结果     */ @SuppressWarnings("unused") private String sendPost(String url, Map
 params) {        OutputStreamWriter out = null;        BufferedReader in = null;                StringBuilder result = new StringBuilder();         try {            URL realUrl = new URL(url);            HttpURLConnection conn =(HttpURLConnection) realUrl.openConnection();            // 发送POST请求必须设置如下两行            conn.setDoOutput(true);            conn.setDoInput(true);            // POST方法            conn.setRequestMethod("POST");            // 设置通用的请求属性            conn.setRequestProperty("accept", "*/*");            conn.setRequestProperty("connection", "Keep-Alive");            conn.setRequestProperty("user-agent",                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");            conn.connect();            // 获取URLConnection对象对应的输出流            out = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");            // 发送请求参数                        if (params != null) {           StringBuilder param = new StringBuilder();            for (Map.Entry
 entry : params.entrySet()) {            if(param.length()>0){            param.append("&");            }                        param.append(entry.getKey());            param.append("=");            param.append(entry.getValue());                        System.out.println(entry.getKey()+":"+entry.getValue());           }           System.out.println("param:"+param.toString());           out.write(param.toString());            }            // flush输出流的缓冲            out.flush();            // 定义BufferedReader输入流来读取URL的响应            in = new BufferedReader(                    new InputStreamReader(conn.getInputStream(), "UTF-8"));            String line;            while ((line = in.readLine()) != null) {                result.append(line);            }        } catch (Exception e) {                        e.printStackTrace();        }        //使用finally块来关闭输出流、输入流        finally{            try{                if(out!=null){                    out.close();                }                if(in!=null){                    in.close();                }            }            catch(IOException ex){                ex.printStackTrace();            }        }        return result.toString();    }}