下面的代码实现了java使用HttpsURLConnection访问网络ssl，一般用浏览器访问会提示你安装证书或允许访问，其实使用java访问https也是一样的，要么安装证书，要么直接信任，java安装ssl证书比较麻烦，而且一般企业用的证书是没有签名的，所以关于加载ssl证书就以后和和大家一起探讨。下面就是信任https证书的方法，可以直接调用访问https。
package edc2010.biz.base.sms.lanzSms;
import java.io.*;
import java.net.*;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import javax.net.ssl.*;
public class SendPost{
public static String sendHttps(String url) {
String returnString="";
try {
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.connect();
InputStream is = conn.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(is));
String sCurrentLine="";
while ((sCurrentLine = reader.readLine()) != null)
{
returnString += sCurrentLine + "\r\n";
}
reader.close();
is.close();
conn.disconnect();
} catch (ConnectException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (KeyManagementException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return returnString;
}
private static class TrustAnyTrustManager implements X509TrustManager {
public void checkClientTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
}
public void checkServerTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
}
public X509Certificate[] getAcceptedIssuers() {
return new X509Certificate[] {};
}
}
private static class TrustAnyHostnameVerifier implements HostnameVerifier {
public boolean verify(String hostname, SSLSession session) {
return true;
}
}
}