<?php
$API_URL = 'https://gulangsc.cn/API/12306/12306.php';

$params = array(
    'apikey' => 'YOUR_VALUE',
    'msg' => 'YOUR_VALUE',
    'type' => 'YOUR_VALUE',
    'page' => 'YOUR_VALUE',
);

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $API_URL . '?' . http_build_query($params));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
$res = curl_exec($ch);
curl_close($ch);
print($res);

$.ajax({
    url: 'https://gulangsc.cn/API/12306/12306.php',
    data: {
    "apikey": "YOUR_VALUE",
    "msg": "YOUR_VALUE",
    "type": "YOUR_VALUE",
    "page": "YOUR_VALUE"
},
    type: 'GET',
    dataType: 'json',
    success: function(data) { console.log(data); },
    error: function(err) { console.log('请求失败', err); }
});

const https = require('https');
const querystring = require('querystring');

const postData = querystring.stringify({"apikey":"YOUR_VALUE","msg":"YOUR_VALUE","type":"YOUR_VALUE","page":"YOUR_VALUE"});
const options = {
    hostname: 'gulangsc.cn',
    path: '/API/12306/12306.php',
    method: 'GET',
    headers: { 'Content-Type': 'application/x-www-form-urlencoded' }
};
const req = https.request(options, res => { let d=''; res.on('data',c=>d+=c); res.on('end',()=>console.log(d)); });
req.write(postData);
req.end();

import requests

url = "https://gulangsc.cn/API/12306/12306.php"
data = {
    "apikey": "YOUR_VALUE",
    "msg": "YOUR_VALUE",
    "type": "YOUR_VALUE",
    "page": "YOUR_VALUE"
}

response = requests.get(url, data=data)
print(response.json())

package main

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

func main() {
    data := url.Values{}
    data.Add("apikey", "YOUR_VALUE")
    data.Add("msg", "YOUR_VALUE")
    data.Add("type", "YOUR_VALUE")
    data.Add("page", "YOUR_VALUE")
    resp, _ := http.PostForm("https://gulangsc.cn/API/12306/12306.php", data)
    defer resp.Body.Close()
    body, _ := ioutil.ReadAll(resp.Body)
    fmt.Println(string(body))
}

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

public class ApiRequest {
    public static void main(String[] args) throws Exception {
        URL url = new URL("https://gulangsc.cn/API/12306/12306.php");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");
        conn.setConnectTimeout(10000);
        BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        String line; StringBuilder result = new StringBuilder();
        while ((line = reader.readLine()) != null) result.append(line);
        reader.close();
        System.out.println(result.toString());
    }
}

using System;
using System.Net.Http;
using System.Threading.Tasks;

class Program {
    static async Task Main() {
        using var client = new HttpClient();
        var response = await client.GetAsync("https://gulangsc.cn/API/12306/12306.php?apikey=YOUR_VALUE&msg=YOUR_VALUE&type=YOUR_VALUE&page=YOUR_VALUE");
        var result = await response.Content.ReadAsStringAsync();
        Console.WriteLine(result);
    }
}

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <curl/curl.h>

static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp) {
    strcat((char*)userp, (char*)contents);
    return size * nmemb;
}

int main() {
    CURL *curl;
    CURLcode res;
    char response[4096] = {0};
    curl_global_init(CURL_GLOBAL_DEFAULT);
    curl = curl_easy_init();
    if(curl) {
        curl_easy_setopt(curl, CURLOPT_URL, "https://gulangsc.cn/API/12306/12306.php?apikey=YOUR_VALUE&msg=YOUR_VALUE&type=YOUR_VALUE&page=YOUR_VALUE");
        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
        curl_easy_setopt(curl, CURLOPT_WRITEDATA, response);
        curl_easy_setopt(curl, CURLOPT_TIMEOUT, 10L);
        res = curl_easy_perform(curl);
        if(res == CURLE_OK) printf("%s\n", response);
        curl_easy_cleanup(curl);
    }
    curl_global_cleanup();
    return 0;
}

#include <iostream>
#include <string>
#include <curl/curl.h>

size_t WriteCallback(void* contents, size_t size, size_t nmemb, std::string* userp) {
    userp->append((char*)contents, size * nmemb);
    return size * nmemb;
}

int main() {
    CURL* curl = curl_easy_init();
    std::string response;
    if (curl) {
        curl_easy_setopt(curl, CURLOPT_URL, "https://gulangsc.cn/API/12306/12306.php?apikey=YOUR_VALUE&msg=YOUR_VALUE&type=YOUR_VALUE&page=YOUR_VALUE");
        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
        curl_easy_setopt(curl, CURLOPT_TIMEOUT, 10L);
        CURLcode res = curl_easy_perform(curl);
        if (res == CURLE_OK) std::cout << response << std::endl;
        curl_easy_cleanup(curl);
    }
    curl_global_cleanup();
    return 0;
}

.版本 2
.支持库 spec

.局部变量 url, 文本型
.局部变量 params, 文本型
.局部变量 result, 文本型

url ＝ "https://gulangsc.cn/API/12306/12306.php"
params ＝ "apikey=YOUR_VALUE&msg=YOUR_VALUE&type=YOUR_VALUE&page=YOUR_VALUE"

result ＝ 编码_URL解码 (网页_访问 (url, , params))
调试输出 (result)