java中发送get请求的https

Java中发送GET请求的HTTPS需要通过使用Java的HttpURLConnection对象来实现。首先，需要使用Java的KeyStore类来加载签名证书，然后创建SSLContext对象和SSLSocketFactory对象。接着，使用URL类创建URL对象，将请求地址作为参数传递进去，然后通过openConnection()方法打开连接。连接打开之后，需要设置连接属性，包括设置请求方法和设置Java的SSLSocketFactory对象。最后，调用InputStream对象读取响应数据。

以下是Java中发送GET请求的HTTPS的示例代码：

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.KeyStore;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManagerFactory;

public class HttpsGetExample {

    public static void main(String[] args) throws Exception {

        String urlString = "https://www.example.com/api?param=value";

        // Load the SSL signing certificate
        KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
        InputStream in = HttpsGetExample.class.getResourceAsStream("/certificates/MyCert.jks");
        trustStore.load(in, "<keystore_password>".toCharArray());

        // Create an SSL context and socket factory
        TrustManagerFactory trustFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
        trustFactory.init(trustStore);
        SSLContext sslContext = SSLContext.getInstance("TLS");
        sslContext.init(null, trustFactory.getTrustManagers(), null);
        SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();

        // Create a URL object and open a connection
        URL url = new URL(urlString);
        HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
        conn.setRequestMethod("GET");
        conn.setSSLSocketFactory(sslSocketFactory);

        // Read the response data
        InputStream inputStream = conn.getInputStream();
        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));

        String line;
        StringBuffer responseData = new StringBuffer();
        while((line = reader.readLine()) != null) {
            responseData.append(line);
        }

        reader.close();
        conn.disconnect();

        System.out.println(responseData.toString());

    }
}

以上是关于Java中发送GET请求的HTTPS的基本步骤和示例代码。详细内容需要根据具体情况进行调整。