java版微信公众号开发项目代码和说明

package com.lls.core.service; import java.util.ArrayList; import java.util.Date; import java.util.List; import java.util.Map; import javax.servlet.http.HttpServletRequest; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.lls.core.message.resp.Article; import com.lls.core.message.resp.Music; import com.lls.core.message.resp.MusicMessage; import com.lls.core.message.resp.NewsMessage; import com.lls.core.message.resp.TextMessage; import com.lls.core.util.MessageUtil; import com.lls.weixin.pojo.AccessToken; import com.lls.weixin.util.WeixinUtil; /** * 核心服务类 * */ public class CoreService { private static Logger log = LoggerFactory.getLogger(CoreService.class); /** * 处理微信发来的请求 * * @param request * @return */ public static String processRequest(HttpServletRequest request) { log.info("=====processRequest=========="); String respMessage = null; try { // xml请求解析 Map<String, String> requestMap = MessageUtil.parseXml(request); // 发送方帐号（open_id） String fromUserName = requestMap.get("FromUserName"); // 公众帐号 String toUserName = requestMap.get("ToUserName"); // 消息类型 String msgType = requestMap.get("MsgType"); // 默认回复此文本消息 TextMessage textMessage = new TextMessage(); // 文本消息 if (msgType.equals(MessageUtil.REQ_MESSAGE_TYPE_TEXT)) { // 接收用户发送的文本消息内容 String content = requestMap.get("Content"); // 创建图文消息 NewsMessage newsMessage = new NewsMessage(); newsMessage.setToUserName(fromUserName); newsMessage.setFromUserName(toUserName); newsMessage.setCreateTime(new Date().getTime()); newsMessage.setMsgType(MessageUtil.RESP_MESSAGE_TYPE_NEWS); //newsMessage.setFuncFlag(0); List<Article> articleList = new ArrayList<Article>(); // 单图文消息 if ("1".equals(content)) { Article article = new Article(); article.setTitle("长江水路运输公司微信公众帐号"); article.setDescription("长江水路运输公司"); article.setPicUrl("http://llsweixin.duapp.com/images/1.jpg"); article.setUrl("http://llsweixin.duapp.com"); articleList.add(article); // 设置图文消息个数 newsMessage.setArticleCount(articleList.size()); // 设置图文消息包含的图文集合 newsMessage.setArticles(articleList); // 将图文消息对象转换成xml字符串 respMessage = MessageUtil.newsMessageToXml(newsMessage); } // 单图文消息---不含图片 else if ("2".equals(content)) { Article article = new Article(); article.setTitle("长江水路运输公司微信公众帐号"); // 图文消息中可以使用QQ表情、符号表情 article.setDescription("长江水路运输公司微信公众帐号，" + emoji(0x1F6B9) + "，长江水路运输公司微信公众帐号！\n\n目前已推出12服务务。\n\n后期还计划推出一些实用功能，例如：天气预报、周边搜索、聊天功能等。"); // 将图片置为空 article.setPicUrl("http://llsweixin.duapp.com/images/1.jpg"); article.setUrl("http://llsweixin.duapp.com"); articleList.add(article); newsMessage.setArticleCount(articleList.size()); newsMessage.setArticles(articleList); respMessage = MessageUtil.newsMessageToXml(newsMessage); } // 多图文消息 else if ("3".equals(content)) { Article article1 = new Article(); article1.setTitle("长江水路运输公司微信公众帐号"); article1.setDescription(""); article1.setPicUrl("http://llsweixin.duapp.com/images/1.jpg"); article1.setUrl("http://llsweixin.duapp.com"); Article article2 = new Article(); article2.setTitle("长江水路运输公司微信公众帐号"); article2.setDescription(""); article2.setPicUrl("http://llsweixin.duapp.com/images/1.jpg"); article2.setUrl("http://llsweixin.duapp.com"); Article article3 = new Article(); article3.setTitle("长江水路运输公司微信公众帐号"); article3.setDescription(""); article3.setPicUrl("http://llsweixin.duapp.com/images/1.jpg"); article3.setUrl("http://llsweixin.duapp.com/"); articleList.add(article1); articleList.add(article2); articleList.add(article3); newsMessage.setArticleCount(articleList.size()); newsMessage.setArticles(articleList); respMessage = MessageUtil.newsMessageToXml(newsMessage); } // 多图文消息---首条消息不含图片 else if ("4".equals(content)) { Article article1 = new Article(); article1.setTitle("长江水路运输公司"); article1.setDescription(""); // 将图片置为空 article1.setPicUrl(""); article1.setUrl("http://llsweixin.duapp.com/"); Article article2 = new Article(); article2.setTitle("长江水路运输公司"); article2.setDescription(""); article2.setPicUrl("http://llsweixin.duapp.com/images/1.jpg"); article2.setUrl("http://llsweixin.duapp.com"); Article article3 = new Article(); article3.setTitle("长江水路运输公司"); article3.setDescription(""); article3.setPicUrl("http://llsweixin.duapp.com/images/1.jpg"); article3.setUrl("http://llsweixin.duapp.com"); Article article4 = new Article(); article4.setTitle("长江水路运输公司"); article4.setDescription(""); article4.setPicUrl("http://llsweixin.duapp.com/images/1.jpg"); article4.setUrl("http://llsweixin.duapp.com"); articleList.add(article1); articleList.add(article2); articleList.add(article3); articleList.add(article4); newsMessage.setArticleCount(articleList.size()); newsMessage.setArticles(articleList); respMessage = MessageUtil.newsMessageToXml(newsMessage); } // 多图文消息---最后一条消息不含图片 else if ("5".equals(content)) { Article article1 = new Article(); article1.setTitle("长江水路运输公司标题1"); article1.setDescription(""); article1.setPicUrl("http://llsweixin.duapp.com/images/1.jpg"); article1.setUrl("http://llsweixin.duapp.com"); Article article2 = new Article(); article2.setTitle("长江水路运输公司标题2"); article2.setDescription(""); article2.setPicUrl("http://llsweixin.duapp.com/images/1.jpg"); article2.setUrl("http://llsweixin.duapp.com"); Article article3 = new Article(); article3.setTitle("长江水路运输公司标题3"); article3.setDescription(""); // 将图片置为空 article3.setPicUrl(""); article3.setUrl("http://llsweixin.duapp.com"); articleList.add(article1); articleList.add(article2); articleList.add(article3); newsMessage.setArticleCount(articleList.size()); newsMessage.setArticles(articleList); respMessage = MessageUtil.newsMessageToXml(newsMessage); } //音乐信息 else { Music m = new Music(); m.setDescription("中国好声音"); m.setTitle("中国好声音"); m.setMusicUrl("http://llsweixin.duapp.com/mp3/2.mp3"); m.setHQMusicUrl("http://llsweixin.duapp.com/mp3/2.mp3"); MusicMessage mm = new MusicMessage(); mm.setMusic(m); mm.setFromUserName(toUserName); mm.setToUserName(fromUserName); //mm.setFuncFlag(0); mm.setCreateTime(new Date().getTime()); mm.setMsgType(MessageUtil.RESP_MESSAGE_TYPE_MUSIC); respMessage = MessageUtil.musicMessageToXml(mm); } } // 图片消息 else if (msgType.equals(MessageUtil.REQ_MESSAGE_TYPE_IMAGE)) { textMessage.setContent("您给我发送的是图片消息！"); respMessage = MessageUtil.