<?php
$url = "https://apistore.aizhan.com/icp/app/[私钥]";
$params = "keyword=百度";

$ch = curl_init();
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_FAILONERROR, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type:application/x-www-form-urlencoded"));
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);

$result = curl_exec($ch);
$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if (curl_errno($ch)) {
    throw new Exception("Server unreachable, error code: " . curl_errno($ch) . " " . curl_error($ch));
}
curl_close($ch);

print_r($result);
print_r($code);

#!/usr/bin/python
# coding:utf-8

import urllib.parse
import urllib.request

url = "https://apistore.aizhan.com/icp/app/[私钥]"
params = {"keyword": "百度"}

req = urllib.request.Request(
    url=url,
    data=bytes(urllib.parse.urlencode(params), encoding="utf-8"),
    headers={"Content-Type": "application/x-www-form-urlencoded"},
    method="POST"
)
response = urllib.request.urlopen(req)
code = response.status
result = response.read().decode("utf-8", "ignore")
print(code)
print(result)

package main

import (
    "fmt"
    "io/ioutil"
    "net/http"
    "strings"
)

func main() {
    url := "https://apistore.aizhan.com/icp/app/[私钥]"
    params := "keyword=百度"

    req, _ := http.NewRequest("POST", url, strings.NewReader(params))
    req.Header.Add("content-type", "application/x-www-form-urlencoded")
    resp, _ := http.DefaultClient.Do(req)
    defer resp.Body.Close()
    code := resp.StatusCode
    result, _ := ioutil.ReadAll(resp.Body)

    fmt.Println(code)
    fmt.Println(string(result))
}

import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;

public class Example {
    public static void main(String[] args) {
        try {
            String urlStr = "https://apistore.aizhan.com/icp/app/[私钥]";
            String params = "keyword=百度";
            URL url = new URL(urlStr);
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setRequestMethod("POST");
            connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

            connection.setDoOutput(true);
            OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
            writer.write(params);
            writer.flush();

            connection.connect();
            StringBuffer result = new StringBuffer();
            int responseCode = connection.getResponseCode();
            if (responseCode == 200) {
                InputStream inputStream = connection.getInputStream();
                BufferedReader br = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));
                String temp = null;
                while ((temp = br.readLine()) != null) {
                    result.append(temp);
                }
            }

            connection.disconnect();
            System.out.println(result);
            System.out.println(responseCode);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}