POST请求-不使用Node和Express

import requests

url = "http://example.com/api"
data = {"key1": "value1", "key2": "value2"}
response = requests.post(url, data=data)
print(response.text)

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

public class Main {
    public static void main(String[] args) throws Exception {
        URL url = new URL("http://example.com/api");
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        connection.setDoOutput(true);
        
        String data = "key1=value1&key2=value2";
        OutputStream outputStream = connection.getOutputStream();
        outputStream.write(data.getBytes());
        outputStream.flush();
        outputStream.close();
        
        int responseCode = connection.getResponseCode();
        if (responseCode == HttpURLConnection.HTTP_OK) {
            // 处理响应数据
        }
    }
}

var xhr = new XMLHttpRequest();
xhr.open("POST", "http://example.com/api", true);
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

var data = "key1=value1&key2=value2";
xhr.send(data);

xhr.onreadystatechange = function() {
    if (xhr.readyState === XMLHttpRequest.DONE && xhr.status === 200) {
        // 处理响应数据
    }
};