curl http://cloud.kuaidi100.com/api -X POST -d \
"secret_key=***&secret_code=53514ac63f0447d188423221550b0c3e&secret_sign=md5(***)&num="

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", "53514ac63f0447d188423221550b0c3e");
        params.put("secret_sign", "md5(***)");
        params.put("num", "");

        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;
        }
    }
}

暂无示例

<?php
    $params = "";
    $params .= 'secret_key=***'.'&';
    $params .= 'secret_code=53514ac63f0447d188423221550b0c3e'.'&';
    $params .= 'secret_sign=md5(***)'.'&';
    $params .= 'num='.'&';
    $params .= substr($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'] = '53514ac63f0447d188423221550b0c3e'
params['secret_sign'] = 'md5(***)'
params['num'] = ''
result = requests.post('http://cloud.kuaidi100.com/api', params)
print(result.text)