Https接口调用工具类

<a name='ClientUtil.java'></a> ClientUtil.java

1import org.apache.http.HttpEntity;
2import org.apache.http.HttpResponse;
3import org.apache.http.NameValuePair;
4import org.apache.http.client.HttpClient;
5import org.apache.http.client.entity.UrlEncodedFormEntity;
6import org.apache.http.client.methods.HttpPost;
7import org.apache.http.message.BasicNameValuePair;
8import org.apache.http.util.EntityUtils;
9import org.springframework.stereotype.Component;
10
11import java.util.ArrayList;
12import java.util.Iterator;
13import java.util.List;
14import java.util.Map;
15import java.util.Map.Entry;
16
17public class ClientUtil {
18    private String charset = "utf-8";
19    public String doPost(String url, Map<String,String> map){
20        HttpClient httpClient = null;
21        HttpPost httpPost = null;
22        String result = null;
23        try{
24            httpClient = new SSLClient();
25            httpPost = new HttpPost(url);
26            //设置参数
27            List<NameValuePair> list = new ArrayList<NameValuePair>();
28            Iterator iterator = map.entrySet().iterator();
29            while(iterator.hasNext()){
30                Entry<String,String> elem = (Entry<String, String>) iterator.next();
31                list.add(new BasicNameValuePair(elem.getKey(),elem.getValue()));
32            }
33            if(list.size() > 0){
34                UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list,charset);
35                httpPost.setEntity(entity);
36            }
37            HttpResponse response = httpClient.execute(httpPost);
38            if(response != null){
39                HttpEntity resEntity = response.getEntity();
40                if(resEntity != null){
41                    result = EntityUtils.toString(resEntity,charset);
42                }
43            }
44        }catch(Exception ex){
45            ex.printStackTrace();
46        }
47        return result;
48    }
49}
50

<a name='SSLClient.java'></a> SSLClient.java

1import org.apache.http.conn.ClientConnectionManager;
2import org.apache.http.conn.scheme.Scheme;
3import org.apache.http.conn.scheme.SchemeRegistry;
4import org.apache.http.conn.ssl.SSLSocketFactory;
5import org.apache.http.impl.client.DefaultHttpClient;
6
7import javax.net.ssl.SSLContext;
8import javax.net.ssl.TrustManager;
9import javax.net.ssl.X509TrustManager;
10import java.security.cert.CertificateException;
11import java.security.cert.X509Certificate;
12
13//用于进行Https请求的HttpClient
14public class SSLClient extends DefaultHttpClient{
15    public SSLClient() throws Exception{
16        super();
17        SSLContext ctx = SSLContext.getInstance("TLS");
18        X509TrustManager tm = new X509TrustManager() {
19            @Override
20            public void checkClientTrusted(X509Certificate[] chain,
21                                           String authType) throws CertificateException {
22            }
23            @Override
24            public void checkServerTrusted(X509Certificate[] chain,
25                                           String authType) throws CertificateException {
26            }
27            @Override
28            public X509Certificate[] getAcceptedIssuers() {
29                return null;
30            }
31        };
32        ctx.init(null, new TrustManager[]{tm}, null);
33        SSLSocketFactory ssf = new SSLSocketFactory(ctx,SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
34        ClientConnectionManager ccm = this.getConnectionManager();
35        SchemeRegistry sr = ccm.getSchemeRegistry();
36        sr.register(new Scheme("https", 443, ssf));
37    }
38}