https请求工具类

import java.io.IOException;import java.io.UnsupportedEncodingException;import java.lang.reflect.Field;import java.security.KeyManagementException;import java.security.NoSuchAlgorithmException;import java.security.cert.CertificateException;import java.security.cert.X509Certificate;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;

import javax.net.ssl.SSLContext;import javax.net.ssl.SSLException;import javax.net.ssl.SSLSession;import javax.net.ssl.SSLSocket;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.ParseException;import org.apache.http.client.ClientProtocolException;import org.apache.http.client.HttpClient;import org.apache.http.client.entity.UrlEncodedFormEntity;import org.apache.http.client.methods.HttpPost;import org.apache.http.conn.scheme.Scheme;import org.apache.http.conn.ssl.SSLSocketFactory;import org.apache.http.conn.ssl.X509HostnameVerifier;import org.apache.http.impl.client.DefaultHttpClient;import org.apache.http.message.BasicNameValuePair;import org.apache.http.util.EntityUtils;

/** * Created by huangjy on 2016-11-10. */public class HttpsTools {

/**     * 发送HTTPS POST请求     *     * @param     * @return 返回响应值     */    public static String sendHttpsRequestByPost(String url, Map<String, String> params) {        String responseContent = null;        HttpClient httpClient = new DefaultHttpClient();        //创建TrustManager        X509TrustManager xtm = 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;            }        };        //这个好像是HOST验证        X509HostnameVerifier hostnameVerifier = new X509HostnameVerifier() {            public boolean verify(String arg0, SSLSession arg1) {                return true;            }

public void verify(String arg0, SSLSocket arg1) throws IOException {            }

public void verify(String arg0, String[] arg1, String[] arg2) throws SSLException {            }

public void verify(String arg0, X509Certificate arg1) throws SSLException {            }        };        try {            //TLS1.0与SSL3.0基本上没有太大的差别，可粗略理解为TLS是SSL的继承者，但它们使用的是相同的SSLContext            SSLContext ctx = SSLContext.getInstance("TLS");            //使用TrustManager来初始化该上下文，TrustManager只是被SSL的Socket所使用            ctx.init(null, new TrustManager[]{xtm}, null);            //创建SSLSocketFactory            SSLSocketFactory socketFactory = new SSLSocketFactory(ctx);            socketFactory.setHostnameVerifier(hostnameVerifier);            //通过SchemeRegistry将SSLSocketFactory注册到我们的HttpClient上            httpClient.getConnectionManager().getSchemeRegistry().register(new Scheme("https", socketFactory, 443));            HttpPost httpPost = new HttpPost(url);            List<NameValuePair> formParams = new ArrayList<NameValuePair>(); // 构建POST请求的表单参数            for (Map.Entry<String, String> entry : params.entrySet()) {                formParams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));            }            httpPost.setEntity(new UrlEncodedFormEntity(formParams, "UTF-8"));            HttpResponse response = httpClient.execute(httpPost);            HttpEntity entity = response.getEntity(); // 获取响应实体            if (entity != null) {                responseContent = EntityUtils.toString(entity, "UTF-8");            }        } catch (KeyManagementException e) {            e.printStackTrace();        } catch (NoSuchAlgorithmException e) {            e.printStackTrace();        } catch (UnsupportedEncodingException e) {            e.printStackTrace();        } catch (ClientProtocolException e) {            e.printStackTrace();        } catch (ParseException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        } finally {            // 关闭连接,释放资源            httpClient.getConnectionManager().shutdown();        }        return responseContent;    }

}