Java tutorial
/** * ???(JAVA) SDK * (c) 2012-2013 ____? <wmails@126.cn>, MIT Licensed * http://www.jeasyuicn.com/wechat */ package com.longtime.ajy.support.weixin; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.UnsupportedEncodingException; import java.net.URL; import java.net.URLEncoder; import java.security.KeyManagementException; import java.security.NoSuchAlgorithmException; import java.security.NoSuchProviderException; import java.security.cert.CertificateException; import java.security.cert.X509Certificate; import java.util.Map; import java.util.Map.Entry; import javax.net.ssl.HttpsURLConnection; import javax.net.ssl.SSLContext; import javax.net.ssl.SSLSocketFactory; import javax.net.ssl.TrustManager; import javax.net.ssl.X509TrustManager; import org.apache.commons.lang3.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * https https * * @author L.cm * @date 2013-10-9 ?2:40:19 */ public class HttpsKit { private static final String DEFAULT_CHARSET = "UTF-8"; private static final Logger logger = LoggerFactory.getLogger(HttpsKit.class); private static final int TIME_OUT_CONNECT = 3000; // 3s private static final int TIME_OUT_READ = 3000;//3s /** * ??Get * * @param url * @return * @throws NoSuchProviderException * @throws NoSuchAlgorithmException * @throws IOException * @throws KeyManagementException */ public static String get(String url) {//throws NoSuchAlgorithmException, NoSuchProviderException, IOException, KeyManagementException { InputStream in = null; HttpsURLConnection http = null; try { StringBuffer bufferRes = null; TrustManager[] tm = { new MyX509TrustManager() }; SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE"); sslContext.init(null, tm, new java.security.SecureRandom()); // SSLContextSSLSocketFactory SSLSocketFactory ssf = sslContext.getSocketFactory(); URL urlGet = new URL(url); http = (HttpsURLConnection) urlGet.openConnection(); // http.setConnectTimeout(TIME_OUT_CONNECT); // ? --?? http.setReadTimeout(TIME_OUT_READ); http.setRequestMethod("GET"); http.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); http.setSSLSocketFactory(ssf); http.setDoOutput(true); http.setDoInput(true); http.connect(); in = http.getInputStream(); BufferedReader read = new BufferedReader(new InputStreamReader(in, DEFAULT_CHARSET)); String valueString = null; bufferRes = new StringBuffer(); while ((valueString = read.readLine()) != null) { bufferRes.append(valueString); } return bufferRes.toString(); } catch (Exception e) { logger.error(String.format("HTTP GET url=[%s] due to fail.", url), e); } finally { if (null != in) { try { in.close(); } catch (IOException e) { logger.error(String.format("HTTP GET url=[%s] close inputstream due to fail.", url), e); } } if (http != null) { // http.disconnect(); } } return StringUtils.EMPTY; } /** * ??Get * * @param url * @param params * @return * @throws IOException * @throws NoSuchProviderException * @throws NoSuchAlgorithmException * @throws KeyManagementException */ public static String get(String url, Map<String, String> params) throws KeyManagementException, NoSuchAlgorithmException, NoSuchProviderException, IOException { return get(initParams(url, params)); } /** * ??Post * * @param url * @param params * @return * @throws IOException * @throws NoSuchProviderException * @throws NoSuchAlgorithmException * @throws KeyManagementException */ public static String post(String url, String params) {//throws IOException, NoSuchAlgorithmException, NoSuchProviderException, KeyManagementException { OutputStream out = null; InputStream in = null; HttpsURLConnection http = null; try { StringBuffer bufferRes = null; TrustManager[] tm = { new MyX509TrustManager() }; SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE"); sslContext.init(null, tm, new java.security.SecureRandom()); // SSLContextSSLSocketFactory SSLSocketFactory ssf = sslContext.getSocketFactory(); URL urlGet = new URL(url); http = (HttpsURLConnection) urlGet.openConnection(); // http.setConnectTimeout(TIME_OUT_CONNECT); // ? --?? http.setReadTimeout(TIME_OUT_READ); http.setRequestMethod("POST"); http.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); http.setSSLSocketFactory(ssf); http.setDoOutput(true); http.setDoInput(true); http.connect(); out = http.getOutputStream(); out.write(params.getBytes("UTF-8")); out.flush(); in = http.getInputStream(); BufferedReader read = new BufferedReader(new InputStreamReader(in, DEFAULT_CHARSET)); String valueString = null; bufferRes = new StringBuffer(); while ((valueString = read.readLine()) != null) { bufferRes.append(valueString); } return bufferRes.toString(); } catch (Exception e) { logger.error(String.format("HTTP POST url=[%s] param=[%s] due to fail.", url, params), e); } finally { if (null != out) { try { out.close(); } catch (IOException e) { logger.error(String.format("HTTP POST url=[%s] param=[%s] close outputstream due to fail.", url, params), e); } } if (null != in) { try { in.close(); } catch (IOException e) { logger.error(String.format("HTTP POST url=[%s] param=[%s] close inputstream due to fail.", url, params), e); } } if (http != null) { // http.disconnect(); } } return StringUtils.EMPTY; } /** * @param url * @param params * @return */ private static String initParams(String url, Map<String, String> params) { if (null == params || params.isEmpty()) { return url; } StringBuilder sb = new StringBuilder(url); if (url.indexOf("?") == -1) { sb.append("?"); } else { sb.append("&"); } boolean first = true; for (Entry<String, String> entry : params.entrySet()) { if (first) { first = false; } else { sb.append("&"); } String key = entry.getKey(); String value = entry.getValue(); sb.append(key).append("="); if (StringUtils.isNotEmpty(value)) { try { sb.append(URLEncoder.encode(value, DEFAULT_CHARSET)); } catch (UnsupportedEncodingException e) { e.printStackTrace(); logger.error(url, e); } } } return sb.toString(); } public static void main(String[] args) { String appid = "wxd301c80aa34b6b24"; String secret = "f83007f9e17b0258dd7a2979079c14e5"; String code = "025a85f3e21a94d7e4de9e1cd6ab4a22"; String str = HttpsKit.get(String.format( "https://api.weixin.qq.com/sns/oauth2/access_token?appid=%s&secret=%s&code=%s&grant_type=authorization_code", appid, secret, code)); System.out.println(str); //{"access_token":"OezXcEiiBSKSxW0eoylIeCn-3lBhvaWGIFYDWln7YpMvpzr58oEi_CN35IrMY0jtf8t5kQdMT0fmMlg5tl7yFiRfhvfGkWlwZw_qb1bb07xozg2baXKnXLuQHJ0xY_rdftGsn8RX8qcaZ83J1XzQhg","expires_in":7200,"refresh_token":"OezXcEiiBSKSxW0eoylIeCn-3lBhvaWGIFYDWln7YpMvpzr58oEi_CN35IrMY0jtf8t5kQdMT0fmMlg5tl7yFub__Qee3Mm0r6Cq-zP8cLMoisZfwQKRacYRbVCOXbJG8lQbF867jXA-HRJ2Lb5gKg","openid":"o7ShcuEjSTtHd9rIGO43rylOOcn4","scope":"snsapi_base"} String access_token = "OezXcEiiBSKSxW0eoylIeCn-3lBhvaWGIFYDWln7YpMvpzr58oEi_CN35IrMY0jtf8t5kQdMT0fmMlg5tl7yFiRfhvfGkWlwZw_qb1bb07xozg2baXKnXLuQHJ0xY_rdftGsn8RX8qcaZ83J1XzQhg"; String openid = "o7ShcuEjSTtHd9rIGO43rylOOcn4"; str = HttpsKit.get("https://api.weixin.qq.com/sns/userinfo?access_token=" + access_token + "&openid=" + openid + "&lang=zh_CN"); System.out.println(str); //{"openid":"o7ShcuEjSTtHd9rIGO43rylOOcn4","nickname":"","sex":1,"language":"zh_CN","city":"?","province":"","country":"","headimgurl":"http:\/\/wx.qlogo.cn\/mmopen\/lzpjEaNVhXv1URUmL337sK39KPuhtlmEibsKvlfyn4IXdJUzFL88Kp1gAS8Bv6zmAdHeNUt1oT1235yulg4z6BONxGc7NDnNj\/0","privilege":[]} } } /** * ?? */ class MyX509TrustManager implements X509TrustManager { public X509Certificate[] getAcceptedIssuers() { return null; } @Override public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException { } @Override public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException { } }