//jQuery-Ajax
$.ajax({
	url: 'https://api.itapi.cn/api/convert/down',
	data: {
	//接口参数，一行一个，可按照接口文档-请求参数 的参数填写，或者直接复制开发工具下面的测试代码。
		key: '你的接口密钥，登录控制台后在密钥管理页面申请',
		参数名: '参数值',

	},
	type: 'GET', //请求协议（GET或POST），一般默认GET，部分接口需要POST请求，根据实际情况修改为POST即可。
	dataType: 'json',
	success: function(data) {
		console.log(data); //请求成功，输出结果到控制台
	},
	timeout: 3000, //超时时间
	error: function(data) {
		console.log('请求失败'); //失败处理
	}
});

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public class Test {
    public static void main(String[] args) {
        try {
            URL url = new URL("https://api.itapi.cn/api/convert/down?key=你的接口密钥，登录控制台后在密钥管理页面申请");
            HttpURLConnection connection = (HttpURLConnection)url.openConnection();

            // 设置请求方式
            connection.setRequestMethod("GET");
            connection.connect();

            // 获取响应码
            int responseCode = connection.getResponseCode();
            if (responseCode == HttpURLConnection.HTTP_OK) {
                BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
                String line;
                while ((line = reader.readLine()) != null) {
                    // 读取到的内容给line变量
                    System.out.println(line);
                }
                reader.close();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

package main

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

func main() {
    // 发起一个GET请求
    resp, err := http.Get("https://api.itapi.cn/api/convert/down?key=你的接口密钥，登录控制台后在密钥管理页面申请")
    if err != nil {
        fmt.Println("http get error", err)
        return
    }

    // 读取响应结果
    result, err := ioutil.ReadAll(resp.Body)
    if err != nil {
        fmt.Println("http read error", err)
        return
    }

    // 关闭响应结果
    defer resp.Body.Close()

    fmt.Println(string(result))
}

# 导入requests库
import requests

# 设置url
url = 'https://api.itapi.cn/api/convert/down?key=你的接口密钥，登录控制台后在密钥管理页面申请'

# 发送post请求
response = requests.post(url, data={'key1': 'value1', 'key2': 'value2'})

# 获取响应内容
result = response.json()

# 打印结果
print(result)

// 以下是使用Node.js进行GET和POST请求API接口的示例代码：

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

// 定义请求选项
const options = {
  hostname: 'api.itapi.cn',
  path: '/api/convert/down',
  method: 'GET'
};

// 发送GET请求
https.get(options, res => {
  console.log(`statusCode: ${res.statusCode}`);

  res.on('data', d => {
    process.stdout.write(d);
  });
}).on('error', error => {
  console.error(error);
});

// 发送POST请求
const postData = querystring.stringify({
  'key1': 'value1',
  'key2': 'value2'
});

const postOptions = {
  hostname: 'api.itapi.cn',
  path: '/api/convert/down',
  method: 'POST',
  headers: {
    'Content-Type': 'application/x-www-form-urlencoded',
    'Content-Length': Buffer.byteLength(postData)
  }
};

const postReq = https.request(postOptions, res => {
  console.log(`statusCode: ${res.statusCode}`);

  res.on('data', d => {
    process.stdout.write(d);
  });
});

postReq.on('error', error => {
  console.error(error);
});

postReq.write(postData);
postReq.end();

#include 
#include 
#include 
#include  // 需要安装curl库

// API地址
const char* url = "https://api.itapi.cn/api/convert/down";

// GET请求
void getRequest(CURL* curl) {
    CURLcode res;

    // 设置URL
    curl_easy_setopt(curl, CURLOPT_URL, url);

    // 执行请求
    res = curl_easy_perform(curl);

    if(res != CURLE_OK) {
        fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
    }
}

// POST请求
void postRequest(CURL* curl) {
    CURLcode res;

    // 设置URL
    curl_easy_setopt(curl, CURLOPT_URL, url);

    // 设置POST数据
    const char* postData = "key=你的接口密钥，登录控制台后在密钥管理页面申请&key1=value1";
    curl_easy_setopt(curl, CURLOPT_POSTFIELDS, postData);

    // 执行请求
    res = curl_easy_perform(curl);

    if(res != CURLE_OK) {
        fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
    }
}

int main() {
    CURL* curl;
    CURLcode res;

    // 初始化curl
    curl = curl_easy_init();

    if(curl) {
        // 设置SSL验证
        curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 1L);

        // GET请求
        getRequest(curl);

        // POST请求
        postRequest(curl);

        // 清理curl资源
        curl_easy_cleanup(curl);
    }

    return 0;
}

#include 
#include 

int main() {
    CURL *curl;
    CURLcode res;
    std::string url = "https://api.itapi.cn/api/convert/down?key=你的接口密钥，登录控制台后在密钥管理页面申请";
    std::string response;

    curl = curl_easy_init();
    if (curl) {
        curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
        curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, [](char *ptr, size_t size, size_t nmemb, void *userdata) -> size_t {
            std::string *response = reinterpret_cast(userdata);
            response->append(ptr, size * nmemb);
            return size * nmemb;
        });
        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);

        res = curl_easy_perform(curl);
        if (res == CURLE_OK) {
            std::cout << "Response: " << response << std::endl;
        } else {
            std::cerr << "Error: " << curl_easy_strerror(res) << std::endl;
        }
        curl_easy_cleanup(curl);
    }

    return 0;
}

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

class Program {
    static async Task Main(string[] args) {
        HttpClient client = new HttpClient();
        string url = "https://api.itapi.cn/api/convert/down?key=你的接口密钥，登录控制台后在密钥管理页面申请";
        HttpResponseMessage response = await client.GetAsync(url);
        if (response.IsSuccessStatusCode) {
            string responseBody = await response.Content.ReadAsStringAsync();
            Console.WriteLine("Response: " + responseBody);
        } else {
            Console.WriteLine("Error: " + response.StatusCode);
        }
    }
}