java 發送 https請求

package com.yichangmao;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintWriter;import java.io.UnsupportedEncodingException;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.net.URLEncoder;import java.security.cert.CertificateException;import java.security.cert.X509Certificate;import java.util.HashMap;import java.util.Iterator;import javax.net.ssl.*;public class TrustSSL {    private static class TrustAnyTrustManager implements X509TrustManager {            public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {        }            public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {        }            public X509Certificate[] getAcceptedIssuers() {            return new X509Certificate[]{};        }    }        private static class TrustAnyHostnameVerifier implements HostnameVerifier {        public boolean verify(String hostname, SSLSession session) {            return true;        }    }        /** * http請求 * @param url * @param data * @return * @throws IOException  */public static String requestUrl(String url, HashMap<String, String> data)throws IOException {HttpURLConnection conn;try {//if GET....//URL requestUrl = new URL(url + "?" + httpBuildQuery(data));URL requestUrl = new URL(url);conn = (HttpURLConnection) requestUrl.openConnection();} catch (MalformedURLException e) {return e.getMessage();}conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");conn.setDoInput(true);conn.setDoOutput(true);PrintWriter writer = new PrintWriter(conn.getOutputStream());writer.print(httpBuildQuery(data));writer.flush();writer.close();String line;BufferedReader bufferedReader;StringBuilder sb = new StringBuilder();InputStreamReader streamReader = null;try {streamReader = new InputStreamReader(conn.getInputStream(), "UTF-8");} catch (IOException e) {/*Boolean ret2 = true;if (ret2) {return e.getMessage();}*/streamReader = new InputStreamReader(conn.getErrorStream(), "UTF-8");} finally {if (streamReader != null) {bufferedReader = new BufferedReader(streamReader);sb = new StringBuilder();while ((line = bufferedReader.readLine()) != null) {sb.append(line);}}}return sb.toString();}/** * 參數編碼 * @param data * @return  */public static String httpBuildQuery(HashMap<String, String> data) {String ret = "";String k, v;Iterator<String> iterator = data.keySet().iterator();while (iterator.hasNext()) {k = iterator.next();v = data.get(k);try {ret += URLEncoder.encode(k, "utf8") + "=" + URLEncoder.encode(v, "utf8");} catch (UnsupportedEncodingException e) {}ret += "&";}return ret.substring(0, ret.length() - 1);}        public static String sengHTTPSGet(String url,HashMap<String, String> data) throws Exception {        SSLContext sc = SSLContext.getInstance("SSL");        sc.init(null, new TrustManager[]{new TrustAnyTrustManager()}, new java.security.SecureRandom());        URL console = new URL(url);        HttpsURLConnection conn = (HttpsURLConnection) console.openConnection();        conn.setSSLSocketFactory(sc.getSocketFactory());        conn.setHostnameVerifier(new TrustAnyHostnameVerifier());       // conn.connect();        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");conn.setDoInput(true);conn.setDoOutput(true);PrintWriter writer = new PrintWriter(conn.getOutputStream());writer.print(httpBuildQuery(data));writer.flush();writer.close();String line;BufferedReader bufferedReader;StringBuilder sb = new StringBuilder();InputStreamReader streamReader = null;try {streamReader = new InputStreamReader(conn.getInputStream(), "UTF-8");} catch (IOException e) {/*Boolean ret2 = true;if (ret2) {return e.getMessage();}*/streamReader = new InputStreamReader(conn.getErrorStream(), "UTF-8");} finally {if (streamReader != null) {bufferedReader = new BufferedReader(streamReader);sb = new StringBuilder();while ((line = bufferedReader.readLine()) != null) {sb.append(line);}}}return sb.toString();    }}