package RuleEngine.comme;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.ParseException;
import org.apache.http.StatusLine;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.apache.log4j.Logger;
import org.json.JSONObject;
import org.json.JSONTokener;
public class HttpRequest
{
?private static Logger log = Logger.getLogger(HttpRequest.class);
?
?public JSONObject dopost(String url, JSONObject jsonobject)
?{
???HttpClient httpclient = new DefaultHttpClient();
???HttpPost httpost = new HttpPost(url);
???JSONObject response = null;
???try
???{
?????StringEntity sEntity = new StringEntity(jsonobject.toString());
?????sEntity.setContentEncoding("UTF-8");
?????sEntity.setContentType("application/json");
?????httpost.setEntity(sEntity);
?????HttpResponse httpResponse = httpclient.execute(httpost);
?????if (httpResponse.getStatusLine().getStatusCode() == 200)
?????{
???????response = new JSONObject(new JSONTokener(new InputStreamReader(httpResponse.getEntity().getContent())));
???????log.info(response);
?????}
?????else
?????{
???????log.info(Integer.valueOf(httpResponse.getStatusLine().getStatusCode()));
?????}
???}
???catch (Exception e)
???{
?????throw new RuntimeException(e);
???}
???return response;
?}
?
?public JSONObject dopost(String url, JSONObject jsonobject, Map<String, Object> params)
?{
???HttpClient httpclient = new DefaultHttpClient();
???HttpPost httpost = null;
???JSONObject response = null;
???Iterator<Map.Entry<String, Object>> it = params.entrySet().iterator();
???try
???{
?????if (params.size() == 0) {
???????return response;
?????}
?????if (params.size() == 1)
?????{
???????Map.Entry<String, Object> entry = (Map.Entry)it.next();
???????url = url + "?" + (String)entry.getKey() + "=" + entry.getValue().toString();
???????httpost = new HttpPost(url);
?????}
?????else
?????{
???????url = url + "?";
???????while (it.hasNext())
???????{
?????????Map.Entry<String, Object> entry = (Map.Entry)it.next();
?????????url = url + (String)entry.getKey() + "=" + entry.getValue().toString() + "&";
???????}
???????url = url.substring(0, new StringBuffer(url).length() - 1);
???????httpost = new HttpPost(url);
?????}
???}
???catch (ParseException e)
???{
?????e.printStackTrace();
???}
???try
???{
?????StringEntity sEntity = new StringEntity(jsonobject.toString());
?????sEntity.setContentEncoding("UTF-8");
?????sEntity.setContentType("application/json");
?????httpost.setEntity(sEntity);
?????HttpResponse httpResponse = httpclient.execute(httpost);
?????if (httpResponse.getStatusLine().getStatusCode() == 200)
?????{
???????response = new JSONObject(new JSONTokener(new InputStreamReader(httpResponse.getEntity().getContent())));
???????log.info(response);
?????}
?????else
?????{
???????log.info(Integer.valueOf(httpResponse.getStatusLine().getStatusCode()));
?????}
???}
???catch (Exception e)
???{
?????throw new RuntimeException(e);
???}
???return response;
?}
?
?public JSONObject dopost(String url, Map<String, Object> params)
?{
???HttpClient httpclient = new DefaultHttpClient();
???HttpPost httpost = null;
???JSONObject response = null;
???Iterator<Map.Entry<String, Object>> it = params.entrySet().iterator();
???try
???{
?????if (params.size() == 0) {
???????return response;
?????}
?????if (params.size() == 1)
?????{
???????Map.Entry<String, Object> entry = (Map.Entry)it.next();
???????url = url + "?" + (String)entry.getKey() + "=" + entry.getValue().toString();
???????httpost = new HttpPost(url);
?????}
?????else
?????{
???????url = url + "?";
???????while (it.hasNext())
???????{
?????????Map.Entry<String, Object> entry = (Map.Entry)it.next();
?????????url = url + (String)entry.getKey() + "=" + entry.getValue().toString() + "&";
???????}
???????url = url.substring(0, new StringBuffer(url).length() - 1);
???????httpost = new HttpPost(url);
?????}
???}
???catch (ParseException e)
???{
?????e.printStackTrace();
???}
???try
???{
?????StringEntity sEntity = new StringEntity("");
?????sEntity.setContentEncoding("UTF-8");
?????sEntity.setContentType("application/json");
?????httpost.setEntity(sEntity);
?????HttpResponse httpResponse = httpclient.execute(httpost);
?????if (httpResponse.getStatusLine().getStatusCode() == 200)
?????{
???????response = new JSONObject(new JSONTokener(new InputStreamReader(httpResponse.getEntity().getContent())));
???????log.info(response);
?????}
?????else
?????{
???????log.info(Integer.valueOf(httpResponse.getStatusLine().getStatusCode()));
?????}
???}
???catch (Exception e)
???{
?????throw new RuntimeException(e);
???}
???return response;
?}
?
?public String doget(String url, Map<String, Object> params)
?{
???CloseableHttpClient httpClient = HttpClients.createDefault();
???Iterator<Map.Entry<String, Object>> it = params.entrySet().iterator();
???HttpResponse response = null;
???HttpGet httpGet = null;
???String json = null;
???try
???{
?????if (params.size() == 0)
?????{
???????httpGet = new HttpGet(url);
?????}
?????else if (params.size() == 1)
?????{
???????Map.Entry<String, Object> entry = (Entry<String, Object>)it.next();
???????url = url + "?" + (String)entry.getKey() + "=" + entry.getValue().toString();
???????httpGet = new HttpGet(url);
?????}
?????else
?????{
???????url = url + "?";
???????while (it.hasNext())
???????{
?????????Map.Entry<String, Object> entry = (Entry<String, Object>)it.next();
?????????url = url + (String)entry.getKey() + "=" + entry.getValue().toString() + "&";
???????}
???????url = url.substring(0, new StringBuffer(url).length() - 1);
???????httpGet = new HttpGet(url);
?????}
?????log.info(httpGet.getURI());
?????response = httpClient.execute(httpGet);
?????HttpEntity entity = response.getEntity();
?????if (entity != null)
?????{
?????json=EntityUtils.toString(response.getEntity(), "utf-8");
?????}
???}
???catch (ParseException e)
???{
?????e.printStackTrace();
???}
???catch (IOException e)
???{
?????e.printStackTrace();
???}
???return json.substring(4, json.length());
?}
?
?public static void main(String[] args) {}
}
httpclient4 实现http协议post、get类型接口调用
原文地址：https://www.cnblogs.com/shuyichao/p/10384728.html