微信公众平台开发时常用工具类

package com.duomikeji.weixin.util;import java.security.cert.CertificateException;import java.security.cert.X509Certificate;import javax.net.ssl.X509TrustManager;/** * 信任管理器 *  * @author liufeng * @date 2013-04-10 */public class MyX509TrustManager implements X509TrustManager {// 检查客户端证书public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {}// 检查服务器端证书public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {}// 返回受信任的X509证书数组public X509Certificate[] getAcceptedIssuers() {return null;}}

package com.duomikeji.weixin.util;import net.sf.json.JSONObject;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import com.duomikeji.weixin.menu.Menu;/** * 自定义菜单工具类 *  * @author liufeng * @date 2013-10-17 */public class MenuUtil {private static Logger log = LoggerFactory.getLogger(MenuUtil.class);// 菜单创建（POST）public final static String menu_create_url = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=ACCESS_TOKEN";// 菜单查询（GET）public final static String menu_get_url = "https://api.weixin.qq.com/cgi-bin/menu/get?access_token=ACCESS_TOKEN";// 菜单删除（GET）public final static String menu_delete_url = "https://api.weixin.qq.com/cgi-bin/menu/delete?access_token=ACCESS_TOKEN";/** * 创建菜单 *  * @param menu 菜单实例 * @param accessToken 凭证 * @return true成功 false失败 */public static boolean createMenu(Menu menu, String accessToken) {boolean result = false;String url = menu_create_url.replace("ACCESS_TOKEN", accessToken);// 将菜单对象转换成json字符串String jsonMenu = JSONObject.fromObject(menu).toString();// 发起POST请求创建菜单String respJSON = CommonUtil.httpsRequest(url, "POST", jsonMenu);JSONObject jsonObject = JSONObject.fromObject(respJSON);if (null != jsonObject) {int errorCode = jsonObject.getInt("errcode");String errorMsg = jsonObject.getString("errmsg");if (0 == errorCode) {result = true;} else {result = false;log.error("创建菜单失败 errcode:{} errmsg:{}", errorCode, errorMsg);}}return result;}/** * 查询菜单 *  * @param accessToken 凭证 * @return */public static String getMenu(String accessToken) {String result = null;String requestUrl = menu_get_url.replace("ACCESS_TOKEN", accessToken);// 发起GET请求查询菜单String respJSON = CommonUtil.httpsRequest(requestUrl, "GET", null);JSONObject jsonObject = JSONObject.fromObject(respJSON);if (null != jsonObject) {result = jsonObject.toString();}return result;}/** * 删除菜单 *  * @param accessToken 凭证 * @return true成功 false失败 */public static boolean deleteMenu(String accessToken) {boolean result = false;String requestUrl = menu_delete_url.replace("ACCESS_TOKEN", accessToken);// 发起GET请求删除菜单String respJSON = CommonUtil.httpsRequest(requestUrl, "GET", null);JSONObject jsonObject = JSONObject.fromObject(respJSON);if (null != jsonObject) {int errorCode = jsonObject.getInt("errcode");String errorMsg = jsonObject.getString("errmsg");if (0 == errorCode) {result = true;} else {result = false;log.error("删除菜单失败 errcode:{} errmsg:{}", errorCode, errorMsg);}}return result;}}

/** * 通用工具类 *  * @author liufeng * @date 2013-10-17 */public class CommonUtil {private static Logger log = LoggerFactory.getLogger(CommonUtil.class);// 凭证获取（GET）public final static String token_url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET";/** * 处理https GET/POST请求 *  * @param requestUrl 请求地址 * @param requestMethod 请求方法（GET/POST） * @param outputStr 参数 * @return */public static String httpsRequest(String requestUrl, String requestMethod, String outputStr) {StringBuffer buffer = null;try {// 创建SSLContextSSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");TrustManager[] tm = { new MyX509TrustManager() };// 初始化sslContext.init(null, tm, new SecureRandom());// 获取SSLSocketFactory对象SSLSocketFactory ssf = sslContext.getSocketFactory();URL url = new URL(requestUrl);HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();conn.setRequestMethod(requestMethod);// 设置当前实例使用的SSLSocketFactoryconn.setSSLSocketFactory(ssf);conn.setDoOutput(true);conn.setDoInput(true);conn.connect();// 往服务器端写内容if (null != outputStr) {OutputStream os = conn.getOutputStream();os.write(outputStr.getBytes("utf-8"));os.close();}// 读取服务器端返回的内容InputStream is = conn.getInputStream();InputStreamReader isr = new InputStreamReader(is, "utf-8");BufferedReader br = new BufferedReader(isr);buffer = new StringBuffer();String line = null;while ((line = br.readLine()) != null) {buffer.append(line);}} catch (Exception e) {e.printStackTrace();}return buffer.toString();}/** * 获取接口访问凭证 *  * @param appid 凭证 * @param appsecret 密钥 * @return */public static Token getToken(String appid, String appsecret) {Token token = null;String requestUrl = token_url.replace("APPID", appid).replace("APPSECRET", appsecret);// 发起GET请求获取凭证String respJSON = httpsRequest(requestUrl, "GET", null);JSONObject jsonObject = JSONObject.fromObject(respJSON);if (null != jsonObject) {try {token = new Token();token.setAccessToken(jsonObject.getString("access_token"));token.setExpiresIn(jsonObject.getInt("expires_in"));} catch (JSONException e) {token = null;// 获取token失败log.error("获取token失败 errcode:{} errmsg:{}", jsonObject.getInt("errcode"), jsonObject.getString("errmsg"));}}return token;}/** * URL编码（utf-8） *  * @param source * @return */public static String urlEncodeUTF8(String source) {String result = source;try {result = java.net.URLEncoder.encode(source, "utf-8");} catch (UnsupportedEncodingException e) {e.printStackTrace();}return result;}/** * 根据内容类型判断文件扩展名 *  * @param contentType 内容类型 * @return */public static String getFileExt(String contentType) {String fileExt = "";if ("image/jpeg".equals(contentType))fileExt = ".jpg";else if ("audio/mpeg".equals(contentType))fileExt = ".mp3";else if ("audio/amr".equals(contentType))fileExt = ".amr";else if ("video/mp4".equals(contentType))fileExt = ".mp4";else if ("video/mpeg4".equals(contentType))fileExt = ".mp4";return fileExt;}///**// * 处理https GET/POST请求（针对需要商户证书的API）// * // * @param requestUrl 请求地址// * @param requestMethod 请求方法（GET/POST）// * @param outputStr 参数// * @return// *///public static String httpsForAPICert(String requestUrl, String requestMethod, String outputStr) {//StringBuffer buffer = null;//try {//// 证书文件(微信商户平台-账户设置-API安全-API证书-下载证书)//String keyStorePath = "D:/apiclient_cert.p12";//// 证书密码（默认为商户ID）//String password = DuoMiUtil.partner;//// 实例化密钥库//        KeyStore ks = KeyStore.getInstance("PKCS12");  //        // 获得密钥库文件流//        FileInputStream fis = new FileInputStream(keyStorePath);  //        // 加载密钥库//        ks.load(fis, password.toCharArray());//        // 关闭密钥库文件流//        fis.close();//        //        // 实例化密钥库//        KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());  //        // 初始化密钥工厂//        kmf.init(ks, password.toCharArray());//        //        // 创建SSLContext//SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");//sslContext.init(kmf.getKeyManagers(), null, new SecureRandom());//// 获取SSLSocketFactory对象//SSLSocketFactory ssf = sslContext.getSocketFactory();//        //URL url = new URL(requestUrl);//HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();//conn.setRequestMethod(requestMethod);//// 设置当前实例使用的SSLSocketFactory//conn.setSSLSocketFactory(ssf);//conn.setDoOutput(true);//conn.setDoInput(true);//conn.connect();////// 往服务器端写内容//if (null != outputStr) {//OutputStream os = conn.getOutputStream();//os.write(outputStr.getBytes("utf-8"));//os.close();//}////// 读取服务器端返回的内容//InputStream is = conn.getInputStream();//InputStreamReader isr = new InputStreamReader(is, "utf-8");//BufferedReader br = new BufferedReader(isr);////buffer = new StringBuffer();//String line = null;//while ((line = br.readLine()) != null) {//buffer.append(line);//}//} catch (Exception e) {//e.printStackTrace();//}////return buffer.toString();//}/**     * 获取客户端ip     *      * @param request     * @return 客户端的IP地址     */    public static String getClientIP(HttpServletRequest request) {        String ip = request.getHeader("x-forwarded-for");        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {            ip = request.getHeader("Proxy-Client-IP");        }        if (ip == null || ip.length() == 0 || "unknow".equalsIgnoreCase(ip)) {            ip = request.getHeader("WL-Proxy-Client-IP");        }        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {            ip = request.getRemoteAddr();        }        return ip;    }}

package com.duomikeji.weixin.util;import java.io.InputStream;import java.io.UnsupportedEncodingException;import java.io.Writer;import java.text.DateFormat;import java.text.SimpleDateFormat;import java.util.Date;import java.util.HashMap;import java.util.List;import java.util.Map;import javax.jms.TextMessage;import javax.servlet.http.HttpServletRequest;import org.dom4j.Document;import org.dom4j.Element;import org.dom4j.io.SAXReader;import com.thoughtworks.xstream.XStream;import com.thoughtworks.xstream.core.util.QuickWriter;import com.thoughtworks.xstream.io.HierarchicalStreamWriter;import com.thoughtworks.xstream.io.xml.PrettyPrintWriter;import com.thoughtworks.xstream.io.xml.XppDriver;/** * 消息处理工具类 *  * @author liufeng * @date 2013-09-15 */public class MessageUtil {// 请求消息类型：文本public static final String REQ_MESSAGE_TYPE_TEXT = "text";// 请求消息类型：图片public static final String REQ_MESSAGE_TYPE_IMAGE = "image";// 请求消息类型：语音public static final String REQ_MESSAGE_TYPE_VOICE = "voice";// 请求消息类型：视频public static final String REQ_MESSAGE_TYPE_VIDEO = "video";// 请求消息类型：地理位置public static final String REQ_MESSAGE_TYPE_LOCATION = "location";// 请求消息类型：链接public static final String REQ_MESSAGE_TYPE_LINK = "link";// 请求消息类型：事件推送public static final String REQ_MESSAGE_TYPE_EVENT = "event";// 事件类型：subscribe(订阅)public static final String EVENT_TYPE_SUBSCRIBE = "subscribe";// 事件类型：unsubscribe(取消订阅)public static final String EVENT_TYPE_UNSUBSCRIBE = "unsubscribe";// 事件类型：scan(用户已关注时的扫描带参数二维码)public static final String EVENT_TYPE_SCAN = "scan";// 事件类型：LOCATION(上报地理位置)public static final String EVENT_TYPE_LOCATION = "LOCATION";// 事件类型：CLICK(自定义菜单)public static final String EVENT_TYPE_CLICK = "CLICK";// 响应消息类型：文本public static final String RESP_MESSAGE_TYPE_TEXT = "text";// 响应消息类型：图片public static final String RESP_MESSAGE_TYPE_IMAGE = "image";// 响应消息类型：语音public static final String RESP_MESSAGE_TYPE_VOICE = "voice";// 响应消息类型：视频public static final String RESP_MESSAGE_TYPE_VIDEO = "video";// 响应消息类型：音乐public static final String RESP_MESSAGE_TYPE_MUSIC = "music";// 响应消息类型：图文public static final String RESP_MESSAGE_TYPE_NEWS = "news";// 多客服public static final String RESP_MESSAGE_CUSTOMER = "transfer_customer_service";/** * 解析微信发来的请求（XML） *  * @param request * @return Map<String, String> * @throws Exception */@SuppressWarnings("unchecked")public static Map<String, String> parseXml(HttpServletRequest request) throws Exception {// 将解析结果存储在HashMap中Map<String, String> map = new HashMap<String, String>();// 从request中取得输入流InputStream inputStream = request.getInputStream();// 读取输入流SAXReader reader = new SAXReader();Document document = reader.read(inputStream);// 得到xml根元素Element root = document.getRootElement();// 得到根元素的所有子节点List<Element> elementList = root.elements();// 遍历所有子节点for (Element e : elementList)map.put(e.getName(), e.getText());// 释放资源inputStream.close();inputStream = null;return map;}/** * 扩展xstream使其支持CDATA */private static XStream xstream = new XStream(new XppDriver() {public HierarchicalStreamWriter createWriter(Writer out) {return new PrettyPrintWriter(out) {// 对所有xml节点的转换都增加CDATA标记boolean cdata = true;@SuppressWarnings("unchecked")public void startNode(String name, Class clazz) {super.startNode(name, clazz);}protected void writeText(QuickWriter writer, String text) {if (cdata) {writer.write("<![CDATA[");writer.write(text);writer.write("]]>");} else {writer.write(text);}}};}});/** * 文本消息对象转换成xml *  * @param textMessage 文本消息对象 * @return xml */public static String messageToXml(TextMessage textMessage) {xstream.alias("xml", textMessage.getClass());return xstream.toXML(textMessage);}///**// * 图片消息对象转换成xml// * // * @param imageMessage 图片消息对象// * @return xml// *///public static String messageToXml(ImageMessage imageMessage) {//xstream.alias("xml", imageMessage.getClass());//return xstream.toXML(imageMessage);//}/////**// * 语音消息对象转换成xml// * // * @param voiceMessage 语音消息对象// * @return xml// *///public static String messageToXml(VoiceMessage voiceMessage) {//xstream.alias("xml", voiceMessage.getClass());//return xstream.toXML(voiceMessage);//}/////**// * 视频消息对象转换成xml// * // * @param videoMessage 视频消息对象// * @return xml// *///public static String messageToXml(VideoMessage videoMessage) {//xstream.alias("xml", videoMessage.getClass());//return xstream.toXML(videoMessage);//}/////**// * 音乐消息对象转换成xml// * // * @param musicMessage 音乐消息对象// * @return xml// *///public static String messageToXml(MusicMessage musicMessage) {//xstream.alias("xml", musicMessage.getClass());//return xstream.toXML(musicMessage);//}/////**// * 图文消息对象转换成xml// * // * @param newsMessage 图文消息对象// * @return xml// *///public static String messageToXml(NewsMessage newsMessage) {//xstream.alias("xml", newsMessage.getClass());//xstream.alias("item", new Article().getClass());//return xstream.toXML(newsMessage);//}/////**// * 多客服消息对象转换成xml// * // * @param customerMessage 多客服消息对象// * @return xml// *///public static String messageToXml(CustomerMessage customerMessage) {//xstream.alias("xml", customerMessage.getClass());//return xstream.toXML(customerMessage);//}/** * emoji表情转换(hex -> utf-16) *  * @param hexEmoji * @return */public static String emoji(int hexEmoji) {return String.valueOf(Character.toChars(hexEmoji));}/** * 计算字符串所占字节数（采用utf-8编码） *  * @param content * @return */public static int getByteSize(String content) {int size = 0;if (null != content) {try {// 汉字采用utf-8编码时占3个字节size = content.getBytes("utf-8").length;} catch (UnsupportedEncodingException e) {e.printStackTrace();}}return size;}/** * 将微信消息中的CreateTime转换成标准格式的时间（yyyy-MM-dd HH:mm:ss） *  * @param createTime 消息创建时间 * @return */public static String formatTime(String createTime) {// 将微信传入的CreateTime转换成long类型，再乘以1000long msgCreateTime = Long.parseLong(createTime) * 1000L;DateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");return format.format(new Date(msgCreateTime));}/** * URL编码（utf-8） *  * @param source * @return */public static String urlEncodeUTF8(String source) {String result = source;try {result = java.net.URLEncoder.encode(source, "utf-8");} catch (UnsupportedEncodingException e) {e.printStackTrace();}return result;}}