https采集12306（复制）

package train;

import java.io.IOException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.client.BasicResponseHandler;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.HttpParams;

public class train {

public static void main(String args[]) {

try {

HttpClient httpclient = new DefaultHttpClient();
// Secure Protocol implementation.
SSLContext ctx = SSLContext.getInstance("SSL");
// Implementation of a trust manager for X509 certificates
X509TrustManager tm = new X509TrustManager() {

public void checkClientTrusted(X509Certificate[] xcs, String string) throws CertificateException {

}

public void checkServerTrusted(X509Certificate[] xcs, String string) throws CertificateException {
}

public X509Certificate[] getAcceptedIssuers() {
return null;
}
};
ctx.init(null, new TrustManager[] { tm }, null);
SSLSocketFactory ssf = new SSLSocketFactory(ctx);

ClientConnectionManager ccm = httpclient.getConnectionManager();
// register https protocol in httpclient's scheme registry
SchemeRegistry sr = ccm.getSchemeRegistry();
sr.register(new Scheme("https", 443, ssf));

HttpGet httpget = new HttpGet(
"https://kyfw.12306.cn/otn/lcxxcx/query?purpose_codes=ADULT&queryDate=2016-08-23&from_station=BJP&to_station=TJP");
HttpParams params = httpclient.getParams();

System.out.println("Request URL:" + httpget.getURI());
ResponseHandler responseHandler = new BasicResponseHandler();

String responseBody = (String) httpclient.execute(httpget, responseHandler);

System.out.println(responseBody);

// Create a response handler

} catch (NoSuchAlgorithmException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (Exception ex) {
ex.printStackTrace();

}
}
}