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IDprivate String EBusinessID="请申请http://kdniao.com/reg"; //电商加密私钥，注意保管，不要泄漏private String AppKey="请申请"; //请求url, 正式环境地址：http://api.kdniao.cc/api/Eorderservice    测试环境地址：http://testapi.kdniao.cc:8081/api/EOrderServiceprivate String ReqURL="http://testapi.kdniao.cc:8081/api/Eorderservice";   /*** Json方式 电子面单* @throws Exception */public String orderOnlineByJson() throws Exception{String requestData= "{'OrderCode': '012657700387'," +"'ShipperCode':'SF'," +"'PayType':1," +"'ExpType':1," +"'Cost':1.0," +"'OtherCost':1.0," +"'Sender':" +"{" +"'Company':'LV','Name':'Taylor','Mobile':'15018442396','ProvinceName':'上海','CityName':'上海','ExpAreaName':'青浦区','Address':'明珠路73号'}," +"'Receiver':" +"{" +"'Company':'GCCUI','Name':'Yann','Mobile':'15018442396','ProvinceName':'北京','CityName':'北京','ExpAreaName':'朝阳区','Address':'三里屯街道雅秀大厦'}," +"'Commodity':" +"[{" +"'GoodsName':'鞋子','Goodsquantity':1,'GoodsWeight':1.0}]," +"'Weight':1.0," +"'Quantity':1," +"'Volume':0.0," +"'Remark':'小心轻放'," +"'IsReturnPrintTemplate':1}";Map<String, String> params = new HashMap<String, String>();params.put("RequestData", urlEncoder(requestData, "UTF-8"));params.put("EBusinessID", EBusinessID);params.put("RequestType", "1007");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;}/*** 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<String, String> 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<String, String> 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();}
}