import?java.io.BufferedReader;
import?java.io.FileNotFoundException;
import?java.io.InputStream;
import?java.io.InputStreamReader;
import?java.io.OutputStream;
import?java.net.HttpURLConnection;
import?java.net.URL;
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?java.util.zip.GZIPInputStream;
import?javax.net.ssl.HttpsURLConnection;
import?javax.net.ssl.SSLContext;
import?javax.net.ssl.TrustManager;
import?javax.net.ssl.X509TrustManager;

public?class?HttpUtil
{
??public?static?final?String?CHARSET_UTF8?=?“UTF-8“;
??public?static?final?String?CHARSET_GBK?=?“GBK“;
??public?static?int?HTTP_TIMEOUT?=?15;
??public?static?boolean?GZIP?=?false;
??public?static?String?ENCODING?=?“UTF-8“;

??private?static?TrustManager?myX509TrustManager?=?new?X509TrustManager（）
??{
????public?void?checkClientTrusted（X509Certificate[]?arg0?String?arg1）
??????throws?CertificateException
????{
????}

????public?void?checkServerTrusted（X509Certificate[]?arg0?String?arg1）
??????throws?CertificateException
????{
????}

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

??public?static?Map?createCommonHeader（）
??{
????Map?header?=?new?HashMap（）;
????header.put（“User-Agent“?“Mozilla/5.0?（Windows?NT?6.1）?AppleWebKit/537.36?（KHTML?like?Gecko）?Chrome/44.0.2403.155?Safari/537.36“）;
????return?header;
??}

??public?static?String?doPost（String?url?Map?header?String?data）
??{
????if?（url.contains（“https://“））
??????return?doPostSSL（url?header?data）;
????try
????{
??????URL?uri?=?new?URL（url）;
??????HttpURLConnection?conn?=?（HttpURLConnection）uri.openConnection（）;
??????conn.setRequestMethod（“POST“）;
??????conn.setDoInput（true）;
??????conn.setReadTimeout（HTTP_TIMEOUT?*?1000）;
??????conn.setConnectTimeout（HTTP_TIMEOUT?*?1000）;

??????if?（header?!=?null）?{
????????for?（String?key?:?header.keySet（））?{
??????????conn.setRequestProperty（key?（String）header.get（key））;
????????}
??????}

??????if?（data?!=?null）?{
????????conn.setDoOutput（true）;
????????OutputStream?os?=?conn.getOutputStream（）;
????????os.write（data.getBytes（））;
????????os.flush（）;
????????os.close（）;
??????}
??????InputStream?is?=?conn.getInputStream（）;
??????BufferedReader?reader?=?new?BufferedReader（
????????new?InputStreamReader（is?ENCODING））;
??????StringBuffer?resultsb?=?new?StringBuffer（）;
??????String?temp?=?null;
??????while?（（temp?=?reader.readLine（））?!=?null）?{
????????resultsb.append（temp）;
??????}
??????return?resultsb.toString（）;
????}?catch?（Exception?ex）?{
??????ex.printStackTrace（）;
????}
????return?null;
??}

??public?static?String?doGet（String?url?Map?header）
??{
????if?（url.contains（“https://“））
??????return?doGetSSL（url?header）;
????try
????{
??????URL?uri?=?new?URL（