【JAVA】JAVA实现HTTP/HTTPS访问

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import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;



import com.alibaba.fastjson.JSONObject;

public class Utils {

	private static class TrustAnyTrustManager implements X509TrustManager {
		public void checkClientTrusted(java.security.cert.X509Certificate[] arg0, String arg1)
				throws CertificateException {
		}

		public void checkServerTrusted(java.security.cert.X509Certificate[] arg0, String arg1)
				throws CertificateException {
		}

		public java.security.cert.X509Certificate[] getAcceptedIssuers() {
			// TODO Auto-generated method stub
			return null;
		}
	}

	private static class TrustAnyHostnameVerifier implements HostnameVerifier {
		public boolean verify(String hostname, SSLSession session) {
			return true;
		}
	}

	
	public static byte[] post(String url, String content) throws NoSuchAlgorithmException,
			KeyManagementException, IOException {
		SSLContext sc = SSLContext.getInstance("SSL");
		sc.init(null, new TrustManager[] { new TrustAnyTrustManager() },
				new java.security.SecureRandom());
		URL console = new URL(url);
		HttpsURLConnection conn = (HttpsURLConnection) console.openConnection();
		conn.setSSLSocketFactory(sc.getSocketFactory());
		conn.setHostnameVerifier(new TrustAnyHostnameVerifier());
		conn.setDoOutput(true);
		conn.connect();
		DataOutputStream out = new DataOutputStream(conn.getOutputStream());
		out.write(content.getBytes("UTF-8"));
		// 刷新、关闭
		out.flush();
		out.close();
		InputStream is = conn.getInputStream();
		if (is != null) {
			ByteArrayOutputStream outStream = new ByteArrayOutputStream();
			byte[] buffer = new byte[1024];
			int len = 0;
			while ((len = is.read(buffer)) != -1) {
				outStream.write(buffer, 0, len);
			}
			is.close();
			return outStream.toByteArray();
		}
		return null;
	}

	public static String sendHttpRequest(String url, String serviceName, String msg)
			throws Exception {

		return new String(post(url+serviceName, msg),"UTF-8");
	}
}

【JAVA】JAVA实现HTTP/HTTPS访问

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原文地址：http://blog.csdn.net/simonchi/article/details/47810067