Https工具类

import java.security.cert.CertificateException;

import java.security.cert.X509Certificate;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

import java.util.Map.Entry;

import javax.net.ssl.SSLContext;

import javax.net.ssl.TrustManager;

import javax.net.ssl.X509TrustManager;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.NameValuePair;

import org.apache.http.client.HttpClient;

import org.apache.http.client.entity.UrlEncodedFormEntity;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.client.methods.HttpPost;

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.DefaultHttpClient;

import org.apache.http.message.BasicNameValuePair;

import org.apache.http.util.EntityUtils;

/**

 * https工具类

 * 

 * @author remainsu

 * 2019-05-05

 */

public class HttpsUtil {

    /**

     * post方式访问

     * @param url 路径

     * @param map 参数

     * @return

     */

    public String httpsPost(String url, Map<String, String> map) {

        String charset = "UTF-8";

        HttpClient httpClient = null;

        HttpPost httpPost = null;

        String result = null;

        try {

            httpClient = new SSLClient();

            httpPost = new HttpPost(url);

            //设置参数

            List<NameValuePair> list = new ArrayList<NameValuePair>();

            Iterator iterator = map.entrySet().iterator();

            while (iterator.hasNext()) {

                Entry<String, String> elem = (Entry<String, String>) iterator.next();

                list.add(new BasicNameValuePair(elem.getKey(), elem.getValue()));

            }

            if (list.size() > 0) {

                UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, charset);

                httpPost.setEntity(entity);

            }

            HttpResponse response = httpClient.execute(httpPost);

            if (response != null) {

                HttpEntity resEntity = response.getEntity();

                if (resEntity != null) {

                    result = EntityUtils.toString(resEntity, charset);

                }

            }

        } catch (Exception ex) {

            ex.printStackTrace();

        }

        return result;

    }

    /**

     * get方式访问（如果有参数直接 ?xx&yy&zz 的方式即可）

     * @param url

     * @return

     */

    public String httpsGet(String url) {

        String charset = "UTF-8";

        HttpClient httpClient = null;

        HttpGet httpGet= null;

        String result = null;

        try {

            httpClient = new SSLClient();

            httpGet = new HttpGet(url);

            HttpResponse response = httpClient.execute(httpGet);

            if(response != null){

                HttpEntity resEntity = response.getEntity();

                if(resEntity != null){

                    result = EntityUtils.toString(resEntity,charset);

                }

            }

        } catch (Exception e) {

            e.printStackTrace();

        }

        return result;

    }

}

class SSLClient extends DefaultHttpClient {

    //用于进行Https请求的HttpClient

    public SSLClient() throws Exception {

        super();

        SSLContext ctx = SSLContext.getInstance("TLS");

        X509TrustManager tm = new X509TrustManager() {

            public void checkClientTrusted(X509Certificate[] chain,String authType) throws CertificateException { }

            public void checkServerTrusted(X509Certificate[] chain,String authType) throws CertificateException { }

            public X509Certificate[] getAcceptedIssuers() {return null; }

        };

        ctx.init(null, new TrustManager[]{tm}, null);

        SSLSocketFactory ssf = new SSLSocketFactory(ctx, SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);

        ClientConnectionManager ccm = this.getConnectionManager();

        SchemeRegistry sr = ccm.getSchemeRegistry();

        sr.register(new Scheme("https", 443, ssf));

    }

}