Java的HttpURLConnection通过POST请求中文乱码

创建工具HttpRequestUtil类：

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
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.HttpPost;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
public class HttpRequestUtil {@SuppressWarnings({ "rawtypes", "unchecked" })public static String doPost(String url,Map<String,String> map,String charset){  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;  }  }

2.创建SSLClient类

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.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;
public class SSLClient  extends DefaultHttpClient{public SSLClient() throws Exception{  super();  SSLContext ctx = SSLContext.getInstance("TLS");  X509TrustManager tm = new X509TrustManager() {  @Override  public void checkClientTrusted(X509Certificate[] chain,  String authType) throws CertificateException {  }  @Override  public void checkServerTrusted(X509Certificate[] chain,  String authType) throws CertificateException {  }  @Override  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));  }
}

3，需要的jar包文件:

commons-codec-1.6.jar

commons-logging-1.1.1.jar

fluent-hc-4.2.1.jar

httpclient-4.2.1.jar

httpclient-cache-4.2.1.jar

httpcore-4.2.1.jar

httpmime-4.2.1.jar

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