curl  http://cloud.kuaidi100.com/api  -X POST -d \ "secret_key=***&secret_code=d9dc91cb9d124dc897a0674528b59dab&secret_sign=md5(***)&method=¶m="
                        
                      

                         import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.net. HttpURLConnection; import java.net. URL; import java.net. URLEncoder; import java.security. MessageDigest; import java.security. NoSuchAlgorithmException; import java.util. HashMap; import java.util. Map; public class CloudDemo { public static void main (String[] args) { CloudDemo cloudDemo = new CloudDemo(); Map  params = new HashMap (); params.put("secret_key", "***"); params.put("secret_code", "d9dc91cb9d124dc897a0674528b59dab"); params.put("secret_sign", "md5(***)"); params.put("method", ""); params.put("param", ""); cloudDemo.post(params); } public String post(Map  params) { StringBuilder response = new StringBuilder(""); BufferedReader reader = null; try { StringBuilder builder = new StringBuilder(); for (Map.Entry  param : params.entrySet()) { if (builder.length() > 0) { builder.append('&'); } builder.append(URLEncoder.encode(param.getKey(), "UTF-8")); builder.append('='); builder.append(URLEncoder.encode(String.valueOf(param.getValue()), "UTF-8")); } byte[] bytes = builder.toString().getBytes("UTF-8"); URL url = new URL(" http://cloud.kuaidi100.com/api "); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setConnectTimeout(5000); conn.setReadTimeout(5000); conn.setRequestMethod("POST"); conn.setRequestProperty("accept", "*/*"); conn.setRequestProperty("connection", "Keep-Alive"); conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); conn.setRequestProperty("Content-Length", String.valueOf(bytes.length)); conn.setDoOutput(true); conn.getOutputStream().write(bytes); reader = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8")); String line = ""; while ((line = reader.readLine()) !=  null) { response.append(line); } } catch (Exception e) { e.printStackTrace(); } finally { try { if (null != reader) { reader.close(); } } catch (IOException e) { e.printStackTrace(); } } return response.toString(); } } class MD5Utils {    private static MessageDigest mdigest = null; private static char digits[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'}; private static MessageDigest getMdInst() { if (null == mdigest) { try { mdigest = MessageDigest.getInstance("MD5"); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } } return mdigest; } public static String encode(String s) { if(null == s) { return ""; } try {            byte[] bytes = s.getBytes(); getMdInst().update(bytes); byte[] md = getMdInst().digest(); int j = md.length; char str[] = new char[j * 2]; int k = 0; for(int i = 0; i < j; i++) { byte byte0 = md[i]; str[k++] = digits[byte0 >>> 4 & 0xf]; str[k++] = digits[byte0 & 0xf]; } return new String(str); } catch (Exception e) { e.printStackTrace(); return null; } } }
                        
                      

                        
                         No example
                      

                         <? php $params = ""; $params .=  'secret_key=***'.'&'; $params .=  'secret_code=d9dc91cb9d124dc897a0674528b59dab'.'&'; $params .=  'secret_sign=md5(***)'.'&'; $params .=  'method='.'&'; $params .=  'param='.'&'; $params .=  substr($params, 0, -1); $ch = curl_init(); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_URL, ' http://cloud.kuaidi100.com/api '); curl_setopt($ch, CURLOPT_POSTFIELDS, $params); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); $result = curl_exec($ch); echo $result; ?>
                        
                      

                         # coding = utf-8 import sys,os import requests,json,hashlib params = {} params['secret_key'] = '***' params['secret_code'] = 'd9dc91cb9d124dc897a0674528b59dab' params['secret_sign'] = 'md5(***)' params['method'] = '' params['param'] = '' result = requests.post(' http://cloud.kuaidi100.com/api ', params) print(result.text)