微信公众号开发-----实现模板、图文、文本、音乐、图片推送

本篇文章实现模板、图文、文本、音乐、图片推送，前提是已经搭建了微信开发环境。读完本文后，实现的主要效果如下

在测试账号中配置模板
登录测试公众号/正式公众号（认证后的服务号），测试公众号：模板消息接口->新增测试模板中添加模板，正式公众号：在功能->模板消息中添加模板，模板可以在模板库中选择，如果没有你需要的模板，可以申请添加，一个月可以申请三条。模板添加成功后，有个模板ID（用于接口调用）。
具体如何配置可以参看官方文档：https://mp.weixin.qq.com/wiki 中消息管理->发送消息-模板消息接口。
配置好后上代码：

Controller:

package com.zhongyitang.vehicle.common.weixin;import com.zhongyitang.vehicle.common.weixin.utils.MessageHandlerUtil;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.weixin4j.spring.web.WeixinJieruController;
import org.weixin4j.util.TokenUtil;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Map;@Controller
@RequestMapping("/check")
public class JieruController {private static final String token = "oliver"; //开发者自行定义的Tooken@GetMapping("/signature")public void get(HttpServletRequest request, HttpServletResponse response) throws IOException {//消息来源可靠性验证String signature = request.getParameter("signature");// 微信加密签名String timestamp = request.getParameter("timestamp");// 时间戳String nonce = request.getParameter("nonce");       // 随机数//Token为weixin4j.properties中配置的Token
//        String token = TokenUtil.get();//1.验证消息真实性//http://mp.weixin.qq.com/wiki/index.php?title=验证消息真实性//成为开发者验证String echostr = request.getParameter("echostr");//确认此次GET请求来自微信服务器，原样返回echostr参数内容，则接入生效，成为开发者成功，否则接入失败if (TokenUtil.checkSignature(token, signature, timestamp, nonce)) {response.getWriter().write(echostr);}}//接收微信消息@PostMapping("/signature")public void post(HttpServletRequest request, HttpServletResponse response) throws IOException {//消息来源可靠性验证String signature = request.getParameter("signature");// 微信加密签名String timestamp = request.getParameter("timestamp");// 时间戳String nonce = request.getParameter("nonce");       // 随机数//Token为weixin4j.properties中配置的Token
//        String token = TokenUtil.get();//确认此次GET请求来自微信服务器，原样返回echostr参数内容，则接入生效，成为开发者成功，否则接入失败if (!TokenUtil.checkSignature(token, signature, timestamp, nonce)) {//消息不可靠，直接返回response.getWriter().write("");return;}String result = "";try {response.setCharacterEncoding("UTF-8");response.setContentType("text/xml");Map<String,String> map = MessageHandlerUtil.parseXml(request);System.out.println("开始构造消息");result = MessageHandlerUtil.buildResponseMessage(map);System.out.println("result:"+result);if(result.equals("")){result = "未正确响应或返回为空";System.out.println("result:"+result);}else{response.getWriter().println(result);}} catch (Exception e) {e.printStackTrace();System.out.println("发生异常："+ e.getMessage());}}}

模板基类:

/**1. 模板基类2. @author CLiang3.  */
public class WxTemplate {private String template_id;//模板IDprivate String touser;//目标客户private String url;//用户点击模板信息的跳转页面private String topcolor;//字体颜色private Map<String,TemplateData> data;//模板里的数据public String getTemplate_id() {return template_id;}public void setTemplate_id(String template_id) {this.template_id = template_id;}public String getTouser() {return touser;}public void setTouser(String touser) {this.touser = touser;}public String getUrl() {return url;}public void setUrl(String url) {this.url = url;}public String getTopcolor() {return topcolor;}public void setTopcolor(String topcolor) {this.topcolor = topcolor;}public Map<String,TemplateData> getData() {return data;}public void setData(Map<String,TemplateData> data) {this.data = data;}
}

一条模板包含多条数据，模板数据类封装:

/**4. 模板数据5. @author By Oliver_Deng6.  */
public class TemplateData {private String value;//模板显示值private String color;//模板显示颜色public String getValue() {return value;}public void setValue(String value) {this.value = value;}public String getColor() {return color;}public void setColor(String color) {this.color = color;}
}

获取ACCESS_TOKEN
看文档，发送模板信息接口为：https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=ACCESS_TOKEN ,前期模板数据都准备好了，现在缺少ACCESS_TOKEN，缺什么就去获取什么，查看文档可知获取ACCESS_TOKEN接口为：https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET ,现在就封装个获取ACCESS_TOKEN的请求方法：

/*** 发送模板消息前获取token* @param template_id_short 模板库中模板的编号* @param t* @param m*/
public static void sendMessageBefore(String template_id_short,WxTemplate t,Map<String,TemplateData> m){String accessToken = WeChatUtil.getAccessToken();System.out.println("accessToKen:         "+accessToken);t.setData(m);sendMessage(t,accessToken);
}

上述代码中用到的WeChatUtils:

package com.zhongyitang.vehicle.common.weixin.utils;import net.sf.json.JSONObject;
import java.util.Date;public class WeChatUtil {//URL验证时使用的token
//    public static final String TOKEN = "wolfcode";//appidpublic static final String APPID = "你自己的";//secretpublic static final String SECRET = "你自己的";//创建菜单接口地址public static final String CREATE_MENU_URL = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=ACCESS_TOKEN";//获取access_token的接口地址public static final String GET_ACCESSTOKEN_URL = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET";//发送模板消息的接口public static final String SEND_TEMPLATE_URL = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=ACCESS_TOKEN";//缓存的access_tokenprivate static String accessToken;//access_token的失效时间private static long expiresTime;/*** 获取accessToken* @return*/public static String getAccessToken(){//判断accessToken是否已经过期，如果过期需要重新获取if(accessToken==null||expiresTime < new Date().getTime()){//发起请求获取accessTokenString result = HTTPUtils.doGet(GET_ACCESSTOKEN_URL.replace("APPID", APPID).replace("APPSECRET", SECRET));//把json字符串转换为json对象
//            JSONObject json = JSON.parseObject(result);JSONObject json = JSONObject.fromObject(result);//缓存accessTokenaccessToken = json.getString("access_token");//设置accessToken的失效时间long expires_in = json.getLong("expires_in");//失效时间 = 当前时间 + 有效期(提前一分钟)expiresTime = new Date().getTime()+ (expires_in-60) * 1000;}return accessToken;}}

注意：ACCESS_TOKEN有请求次数限制，而且会在获取后7200秒后自动失效，所以要妥善保存好ACCESS_TOKEN。

我的测试模板：

{{first.DATA}}
违章时间：{{violationTime.DATA}}
违章地点：{{violationAddress.DATA}}
违章内容：{{violationType.DATA}}
罚款金额：{{violationFine.DATA}}
扣分情况：{{violationPoints.DATA}}
{{remark.DATA}}

发送模板：

/*** 发送模板消息调用实例* @param map 封装了解析结果的Map
* @return 空 */private static String buildTempMessage(Map<String, String> map) {//发送方帐号String fromUserName = map.get("FromUserName");// 开发者微信号String toUserName = map.get("ToUserName");WxTemplate template = new WxTemplate();template.setUrl("www.baidu.com");template.setTouser(fromUserName);template.setTopcolor("#000000");template.setTemplate_id("9E9deiteIUNNJADRPJa5A5TbcrqFRK0UmsvIG2-0RbE"); //模板IDMap<String,TemplateData> m = new HashMap<String, TemplateData>();TemplateData first = new TemplateData();first.setColor("#000000");first.setValue("您好，您车牌号为＂京56K453＂的车辆有新的违章信息");m.put("first", first);TemplateData keyword1 = new TemplateData();keyword1.setColor("#328392");keyword1.setValue("2014年5月07日 16:00");m.put("violationTime", keyword1);TemplateData keyword2 = new TemplateData();keyword2.setColor("#328392");keyword2.setValue("北京市西城区开阳桥北天桥北向南");m.put("violationAddress", keyword2);TemplateData keyword3 = new TemplateData();keyword3.setColor("#328392");keyword3.setValue("不按规定停车");m.put("violationType", keyword3);TemplateData keyword4 = new TemplateData();keyword4.setColor("#328392");keyword4.setValue("200元");m.put("violationFine", keyword4);TemplateData keyword5 = new TemplateData();keyword5.setColor("#328392");keyword5.setValue("扣3分");m.put("violationPoints", keyword5);TemplateData remark = new TemplateData();remark.setColor("#929232");remark.setValue("点击查看更多内容");m.put("remark", remark);sendMessageBefore("", template, m);return "";}

上述代码中 setTemplate_id 需要改成你自己的模板ID。
上述代码中用到的方法：

/*** 发送模板消息前获取token* @param template_id_short 模板库中模板的编号* @param t* @param m*/public static void sendMessageBefore(String template_id_short,WxTemplate t,Map<String,TemplateData> m){String accessToken = WeChatUtil.getAccessToken();System.out.println("accessToKen:         "+accessToken);t.setData(m);sendMessage(t,accessToken);}/*** 发送模板消息* @param t* @param accessToken* @return*/public static int sendMessage(WxTemplate t,String accessToken) {int result = 0;// 拼装发送模板消息的urlString url = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=ACCESS_TOKEN".replace("ACCESS_TOKEN", accessToken);// 将模板对象转换成json字符串String jsonMenu = JSONObject.toJSONString(t);// 调用接口发送模板String response = WeChatApiUtil.httpsRequestToString(url, "POST", jsonMenu);JSONObject jsonObject = JSON.parseObject(response);
//        JSONObject jsonObject = httpRequest(url, "POST", jsonMenu);if (null != jsonObject) {if (0 != jsonObject.getIntValue("errcode")) {result = jsonObject.getIntValue("errcode");System.out.println("发送模板消息失败 errcode:{"+jsonObject.getIntValue("errcode")+"} errmsg:{"+jsonObject.getString("errmsg")+"}");}}return result;}

完成上述代码可以实现“模板“功能：

主要工具类：
MessageHandlerUtil:

package com.zhongyitang.vehicle.common.weixin.utils;import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.zhongyitang.vehicle.common.weixin.vo.*;
import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import javax.servlet.http.HttpServletRequest;
import java.io.InputStream;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;/*** 消息处理工具类* Created By Oliver_Deng*/
public class MessageHandlerUtil {/*** 解析微信发来的请求（XML）** @param request 封装了请求信息的HttpServletRequest对象* @return map 解析结果* @throws Exception*/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) {System.out.println(e.getName() + "|" + e.getText());map.put(e.getName(), e.getText());}// 释放资源inputStream.close();inputStream = null;return map;}/*** 根据消息类型构造返回消息* @param map 封装了解析结果的Map* @return responseMessage(响应消息)*/public static String buildResponseMessage(Map map) {//响应消息String responseMessage = "";//得到消息类型String msgType = map.get("MsgType").toString();System.out.println("MsgType:" + msgType);//消息类型MessageType messageEnumType = MessageType.valueOf(MessageType.class, msgType.toUpperCase());switch (messageEnumType) {case TEXT://处理文本消息responseMessage = handleTextMessage(map);break;case IMAGE://处理图片消息responseMessage = handleImageMessage(map);break;case VOICE://处理语音消息responseMessage = handleVoiceMessage(map);break;case VIDEO://处理视频消息responseMessage = handleVideoMessage(map);break;case SHORTVIDEO://处理小视频消息responseMessage = handleSmallVideoMessage(map);break;case LOCATION://处理位置消息responseMessage = handleLocationMessage(map);break;case LINK://处理链接消息responseMessage = handleLinkMessage(map);break;case EVENT://处理事件消息,用户在关注与取消关注公众号时，微信会向我们的公众号服务器发送事件消息,开发者接收到事件消息后就可以给用户下发欢迎消息responseMessage = handleEventMessage(map);default:break;}//返回响应消息return responseMessage;}/*** 接收到文本消息后处理* @param map 封装了解析结果的Map* @return*/private static String handleTextMessage(Map<String, String> map) {//响应消息String responseMessage;// 消息内容String content = map.get("Content");switch (content) {case "文本":String msgText = "欢迎光临飞梦名车\n" +"<a href=\"https://www.baidu.com\">搜索飞梦名车</a>";responseMessage = buildTextMessage(map, msgText);break;case "模板":responseMessage = buildTempMessage(map);break;case "图片"://通过素材管理接口上传图片时得到的media_idString imgMediaId = "_Oeog5ScPfhcDtpOvCCwZMDDrA5mjS45NrxmtgYDqgv9ABQ9aqPtMAc2jq-66SOu";responseMessage = buildImageMessage(map, imgMediaId);break;case "图文":responseMessage = buildNewsMessage(map);break;case "音乐":Music music = new Music();music.title = "赵丽颖、许志安 - 乱世俱灭";music.description = "电视剧《蜀山战纪》插曲";music.musicUrl = "http://gacl.ngrok.natapp.cn/media/music/music.mp3";music.hqMusicUrl = "http://gacl.ngrok.natapp.cn/media/music/music.mp3";responseMessage = buildMusicMessage(map, music);break;default:responseMessage = buildWelcomeTextMessage(map);break;}//返回响应消息return responseMessage;}/*** 生成消息创建时间 （整型）* @return 消息创建时间*/private static String getMessageCreateTime() {Date dt = new Date();// 如果不需要格式,可直接用dt,dt就是当前系统时间DateFormat df = new SimpleDateFormat("yyyyMMddhhmm");// 设置显示格式String nowTime = df.format(dt);long dd = (long) 0;try {dd = df.parse(nowTime).getTime();} catch (Exception e) {}return String.valueOf(dd);}/*** 构建提示消息* @param map 封装了解析结果的Map* @return responseMessageXml*/private static String buildWelcomeTextMessage(Map<String, String> map) {String responseMessageXml;String fromUserName = map.get("FromUserName");// 开发者微信号String toUserName = map.get("ToUserName");responseMessageXml = String.format("<xml>" +"<ToUserName><![CDATA[%s]]></ToUserName>" +"<FromUserName><![CDATA[%s]]></FromUserName>" +"<CreateTime>%s</CreateTime>" +"<MsgType><![CDATA[text]]></MsgType>" +"<Content><![CDATA[%s]]></Content>" +"</xml>",fromUserName, toUserName, getMessageCreateTime(),"感谢您关注我的公众号，请回复如下关键词来使用公众号提供的服务：\n文本\n模板\n图片\n音乐\n图文");return responseMessageXml;}/*** 构造文本消息* @param map 封装了解析结果的Map* @param content 文本消息内容* @return 文本消息XML字符串*/private static String buildTextMessage(Map<String, String> map, String content) {//发送方帐号String fromUserName = map.get("FromUserName");// 开发者微信号String toUserName = map.get("ToUserName");/*** 文本消息XML数据格式* <xml><ToUserName><![CDATA[toUser]]></ToUserName><FromUserName><![CDATA[fromUser]]></FromUserName><CreateTime>1348831860</CreateTime><MsgType><![CDATA[text]]></MsgType><Content><![CDATA[this is a test]]></Content><MsgId>1234567890123456</MsgId></xml>*/return String.format("<xml>" +"<ToUserName><![CDATA[%s]]></ToUserName>" +"<FromUserName><![CDATA[%s]]></FromUserName>" +"<CreateTime>%s</CreateTime>" +"<MsgType><![CDATA[text]]></MsgType>" +"<Content><![CDATA[%s]]></Content>" +"</xml>",fromUserName, toUserName, getMessageCreateTime(), content);}/*** 发送模板消息调用实例* @param map 封装了解析结果的Map* @return 空 */private static String buildTempMessage(Map<String, String> map) {//发送方帐号String fromUserName = map.get("FromUserName");// 开发者微信号String toUserName = map.get("ToUserName");WxTemplate template = new WxTemplate();template.setUrl("www.baidu.com");template.setTouser(fromUserName);template.setTopcolor("#000000");template.setTemplate_id("9E9deiteIUNNJADRPJa5A5TbcrqFRK0UmsvIG2-0RbE"); //模板IDMap<String,TemplateData> m = new HashMap<String, TemplateData>();TemplateData first = new TemplateData();first.setColor("#000000");first.setValue("您好，您车牌号为＂京56K453＂的车辆有新的违章信息");m.put("first", first);TemplateData keyword1 = new TemplateData();keyword1.setColor("#328392");keyword1.setValue("2014年5月07日 16:00");m.put("violationTime", keyword1);TemplateData keyword2 = new TemplateData();keyword2.setColor("#328392");keyword2.setValue("北京市西城区开阳桥北天桥北向南");m.put("violationAddress", keyword2);TemplateData keyword3 = new TemplateData();keyword3.setColor("#328392");keyword3.setValue("不按规定停车");m.put("violationType", keyword3);TemplateData keyword4 = new TemplateData();keyword4.setColor("#328392");keyword4.setValue("200元");m.put("violationFine", keyword4);TemplateData keyword5 = new TemplateData();keyword5.setColor("#328392");keyword5.setValue("扣3分");m.put("violationPoints", keyword5);TemplateData remark = new TemplateData();remark.setColor("#929232");remark.setValue("点击查看更多内容");m.put("remark", remark);sendMessageBefore("", template, m);return "";}/*** 发送模板消息前获取token* @param template_id_short 模板库中模板的编号* @param t* @param m*/public static void sendMessageBefore(String template_id_short,WxTemplate t,Map<String,TemplateData> m){String accessToken = WeChatUtil.getAccessToken();System.out.println("accessToKen:         "+accessToken);t.setData(m);sendMessage(t,accessToken);}/*** 发送模板消息* @param t* @param accessToken* @return*/public static int sendMessage(WxTemplate t,String accessToken) {int result = 0;// 拼装发送模板消息的urlString url = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=ACCESS_TOKEN".replace("ACCESS_TOKEN", accessToken);// 将模板对象转换成json字符串String jsonMenu = JSONObject.toJSONString(t);// 调用接口发送模板String response = WeChatApiUtil.httpsRequestToString(url, "POST", jsonMenu);JSONObject jsonObject = JSON.parseObject(response);
//        JSONObject jsonObject = httpRequest(url, "POST", jsonMenu);if (null != jsonObject) {if (0 != jsonObject.getIntValue("errcode")) {result = jsonObject.getIntValue("errcode");System.out.println("发送模板消息失败 errcode:{"+jsonObject.getIntValue("errcode")+"} errmsg:{"+jsonObject.getString("errmsg")+"}");}}return result;}/*** 构造图片消息* @param map 封装了解析结果的Map* @param mediaId 通过素材管理接口上传多媒体文件得到的id* @return 图片消息XML字符串*/private static String buildImageMessage(Map<String, String> map, String mediaId) {//发送方帐号String fromUserName = map.get("FromUserName");// 开发者微信号String toUserName = map.get("ToUserName");/*** 图片消息XML数据格式*<xml><ToUserName><![CDATA[toUser]]></ToUserName><FromUserName><![CDATA[fromUser]]></FromUserName><CreateTime>12345678</CreateTime><MsgType><![CDATA[image]]></MsgType><Image><MediaId><![CDATA[media_id]]></MediaId></Image></xml>*/return String.format("<xml>" +"<ToUserName><![CDATA[%s]]></ToUserName>" +"<FromUserName><![CDATA[%s]]></FromUserName>" +"<CreateTime>%s</CreateTime>" +"<MsgType><![CDATA[image]]></MsgType>" +"<Image>" +"   <MediaId><![CDATA[%s]]></MediaId>" +"</Image>" +"</xml>",fromUserName, toUserName, getMessageCreateTime(), mediaId);}/*** 构造音乐消息* @param map 封装了解析结果的Map* @param music 封装好的音乐消息内容* @return 音乐消息XML字符串*/private static String buildMusicMessage(Map<String, String> map, Music music) {//发送方帐号String fromUserName = map.get("FromUserName");// 开发者微信号String toUserName = map.get("ToUserName");/*** 音乐消息XML数据格式*<xml><ToUserName><![CDATA[toUser]]></ToUserName><FromUserName><![CDATA[fromUser]]></FromUserName><CreateTime>12345678</CreateTime><MsgType><![CDATA[music]]></MsgType><Music><Title><![CDATA[TITLE]]></Title><Description><![CDATA[DESCRIPTION]]></Description><MusicUrl><![CDATA[MUSIC_Url]]></MusicUrl><HQMusicUrl><![CDATA[HQ_MUSIC_Url]]></HQMusicUrl><ThumbMediaId><![CDATA[media_id]]></ThumbMediaId></Music></xml>*/return String.format("<xml>" +"<ToUserName><![CDATA[%s]]></ToUserName>" +"<FromUserName><![CDATA[%s]]></FromUserName>" +"<CreateTime>%s</CreateTime>" +"<MsgType><![CDATA[music]]></MsgType>" +"<Music>" +"   <Title><![CDATA[%s]]></Title>" +"   <Description><![CDATA[%s]]></Description>" +"   <MusicUrl><![CDATA[%s]]></MusicUrl>" +"   <HQMusicUrl><![CDATA[%s]]></HQMusicUrl>" +"</Music>" +"</xml>",fromUserName, toUserName, getMessageCreateTime(), music.title, music.description, music.musicUrl, music.hqMusicUrl);}/*** 构造视频消息* @param map 封装了解析结果的Map* @param video 封装好的视频消息内容* @return 视频消息XML字符串*/private static String buildVideoMessage(Map<String, String> map, Video video) {//发送方帐号String fromUserName = map.get("FromUserName");// 开发者微信号String toUserName = map.get("ToUserName");/*** 音乐消息XML数据格式*<xml><ToUserName><![CDATA[toUser]]></ToUserName><FromUserName><![CDATA[fromUser]]></FromUserName><CreateTime>12345678</CreateTime><MsgType><![CDATA[video]]></MsgType><Video><MediaId><![CDATA[media_id]]></MediaId><Title><![CDATA[title]]></Title><Description><![CDATA[description]]></Description></Video></xml>*/return String.format("<xml>" +"<ToUserName><![CDATA[%s]]></ToUserName>" +"<FromUserName><![CDATA[%s]]></FromUserName>" +"<CreateTime>%s</CreateTime>" +"<MsgType><![CDATA[video]]></MsgType>" +"<Video>" +"   <MediaId><![CDATA[%s]]></MediaId>" +"   <Title><![CDATA[%s]]></Title>" +"   <Description><![CDATA[%s]]></Description>" +"</Video>" +"</xml>",fromUserName, toUserName, getMessageCreateTime(), video.mediaId, video.title, video.description);}/*** 构造语音消息* @param map 封装了解析结果的Map* @param mediaId 通过素材管理接口上传多媒体文件得到的id* @return 语音消息XML字符串*/private static String buildVoiceMessage(Map<String, String> map, String mediaId) {//发送方帐号String fromUserName = map.get("FromUserName");// 开发者微信号String toUserName = map.get("ToUserName");/*** 语音消息XML数据格式*<xml><ToUserName><![CDATA[toUser]]></ToUserName><FromUserName><![CDATA[fromUser]]></FromUserName><CreateTime>12345678</CreateTime><MsgType><![CDATA[voice]]></MsgType><Voice><MediaId><![CDATA[media_id]]></MediaId></Voice></xml>*/return String.format("<xml>" +"<ToUserName><![CDATA[%s]]></ToUserName>" +"<FromUserName><![CDATA[%s]]></FromUserName>" +"<CreateTime>%s</CreateTime>" +"<MsgType><![CDATA[voice]]></MsgType>" +"<Voice>" +"   <MediaId><![CDATA[%s]]></MediaId>" +"</Voice>" +"</xml>",fromUserName, toUserName, getMessageCreateTime(), mediaId);}/*** 构造图文消息* @param map 封装了解析结果的Map* @return 图文消息XML字符串*/private static String buildNewsMessage(Map<String, String> map) {String fromUserName = map.get("FromUserName");// 开发者微信号String toUserName = map.get("ToUserName");NewsItem item = new NewsItem();item.Title = "微信开发学习总结（一）——微信开发环境搭建";item.Description = "工欲善其事，必先利其器。要做微信公众号开发，那么要先准备好两样必不可少的东西：\n" +"\n" +"　　1、要有一个用来测试的公众号。\n" +"\n" +"　　2、用来调式代码的开发环境";item.PicUrl = "http://images2015.cnblogs.com/blog/289233/201601/289233-20160121164317343-2145023644.png";item.Url = "http://www.cnblogs.com/xdp-gacl/p/5149171.html";String itemContent1 = buildSingleItem(item);NewsItem item2 = new NewsItem();item2.Title = "微信开发学习总结（二）——微信开发入门";item2.Description = "微信服务器就相当于一个转发服务器，终端（手机、Pad等）发起请求至微信服务器，微信服务器然后将请求转发给我们的应用服务器。应用服务器处理完毕后，将响应数据回发给微信服务器，微信服务器再将具体响应信息回复到微信App终端。";item2.PicUrl = "";item2.Url = "http://www.cnblogs.com/xdp-gacl/p/5151857.html";String itemContent2 = buildSingleItem(item2);String content = String.format("<xml>\n" +"<ToUserName><![CDATA[%s]]></ToUserName>\n" +"<FromUserName><![CDATA[%s]]></FromUserName>\n" +"<CreateTime>%s</CreateTime>\n" +"<MsgType><![CDATA[news]]></MsgType>\n" +"<ArticleCount>%s</ArticleCount>\n" +"<Articles>\n" + "%s" +"</Articles>\n" +"</xml> ", fromUserName, toUserName, getMessageCreateTime(), 2, itemContent1 + itemContent2);return content;}/*** 生成图文消息的一条记录** @param item* @return*/private static String buildSingleItem(NewsItem item) {String itemContent = String.format("<item>\n" +"<Title><![CDATA[%s]]></Title> \n" +"<Description><![CDATA[%s]]></Description>\n" +"<PicUrl><![CDATA[%s]]></PicUrl>\n" +"<Url><![CDATA[%s]]></Url>\n" +"</item>", item.Title, item.Description, item.PicUrl, item.Url);return itemContent;}/*** 处理接收到图片消息** @param map* @return*/private static String handleImageMessage(Map<String, String> map) {String picUrl = map.get("PicUrl");String mediaId = map.get("MediaId");System.out.print("picUrl:" + picUrl);System.out.print("mediaId:" + mediaId);String result = String.format("已收到您发来的图片，图片Url为：%s\n图片素材Id为：%s", picUrl, mediaId);return buildTextMessage(map, result);}/*** 处理接收到语音消息* @param map* @return*/private static String handleVoiceMessage(Map<String, String> map) {String format = map.get("Format");String mediaId = map.get("MediaId");System.out.print("format:" + format);System.out.print("mediaId:" + mediaId);String result = String.format("已收到您发来的语音，语音格式为：%s\n语音素材Id为：%s", format, mediaId);return buildTextMessage(map, result);}/*** 处理接收到的视频消息* @param map* @return*/private static String handleVideoMessage(Map<String, String> map) {String thumbMediaId = map.get("ThumbMediaId");String mediaId = map.get("MediaId");System.out.print("thumbMediaId:" + thumbMediaId);System.out.print("mediaId:" + mediaId);String result = String.format("已收到您发来的视频，视频中的素材ID为：%s\n视频Id为：%s", thumbMediaId, mediaId);return buildTextMessage(map, result);}/*** 处理接收到的小视频消息* @param map* @return*/private static String handleSmallVideoMessage(Map<String, String> map) {String thumbMediaId = map.get("ThumbMediaId");String mediaId = map.get("MediaId");System.out.print("thumbMediaId:" + thumbMediaId);System.out.print("mediaId:" + mediaId);String result = String.format("已收到您发来的小视频，小视频中素材ID为：%s,\n小视频Id为：%s", thumbMediaId, mediaId);return buildTextMessage(map, result);}/*** 处理接收到的地理位置消息* @param map* @return*/private static String handleLocationMessage(Map<String, String> map) {String latitude = map.get("Location_X");  //纬度String longitude = map.get("Location_Y");  //经度String label = map.get("Label");  //地理位置精度String result = String.format("纬度：%s\n经度：%s\n地理位置：%s", latitude, longitude, label);return buildTextMessage(map, result);}/*** 处理接收到的链接消息* @param map* @return*/private static String handleLinkMessage(Map<String, String> map) {String title = map.get("Title");String description = map.get("Description");String url = map.get("Url");String result = String.format("已收到您发来的链接，链接标题为：%s,\n描述为：%s\n,链接地址为：%s", title, description, url);return buildTextMessage(map, result);}/*** 处理消息Message* @param map 封装了解析结果的Map* @return*/private static String handleEventMessage(Map<String, String> map) {String content = map.get("Event");String responseMessage;switch (content) {case "SCAN"://扫码进入responseMessage="";break;case "SUBSCRIBE"://关注responseMessage=buildWelcomeTextMessage(map);break;case "TEMPLATESENDJOBFINISH"://模板发送完成responseMessage="";break;default:responseMessage = buildWelcomeTextMessage(map);break;}return responseMessage;}}

HTTPUtils:

package com.zhongyitang.vehicle.common.weixin.utils;import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.HttpURLConnection;
import java.net.URL;/*** By Oliver_Deng*/
public class HTTPUtils {private static final int TIMEOUT_IN_MILLIONS = 5000;public interface CallBack{void onRequestComplete(String result);}/*** 异步的Get请求** @param urlStr* @param callBack*/public static void doGetAsyn(final String urlStr, final CallBack callBack){new Thread(){public void run(){try{String result = doGet(urlStr);if (callBack != null){callBack.onRequestComplete(result);}} catch (Exception e){e.printStackTrace();}};}.start();}/*** 异步的Post请求* @param urlStr* @param params* @param callBack* @throws Exception*/public static void doPostAsyn(final String urlStr, final String params,final CallBack callBack) throws Exception{new Thread(){public void run(){try{String result = doPost(urlStr, params);if (callBack != null){callBack.onRequestComplete(result);}} catch (Exception e){e.printStackTrace();}};}.start();}/*** Get请求，获得返回数据** @param urlStr* @return* @throws Exception*/public static String doGet(String urlStr){URL url = null;HttpURLConnection conn = null;InputStream is = null;ByteArrayOutputStream baos = null;try{url = new URL(urlStr);conn = (HttpURLConnection) url.openConnection();conn.setReadTimeout(TIMEOUT_IN_MILLIONS);conn.setConnectTimeout(TIMEOUT_IN_MILLIONS);conn.setRequestMethod("GET");conn.setRequestProperty("accept", "*/*");conn.setRequestProperty("connection", "Keep-Alive");if (conn.getResponseCode() == 200){is = conn.getInputStream();baos = new ByteArrayOutputStream();int len = -1;byte[] buf = new byte[128];while ((len = is.read(buf)) != -1){baos.write(buf, 0, len);}baos.flush();return baos.toString();} else{throw new RuntimeException(" responseCode is not 200 ... ");}} catch (Exception e){e.printStackTrace();} finally{try{if (is != null)is.close();} catch (IOException e){}try{if (baos != null)baos.close();} catch (IOException e){}conn.disconnect();}return null ;}/*** 向指定 URL 发送POST方法的请求** @param url*            发送请求的 URL* @param param*            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。* @return 所代表远程资源的响应结果* @throws Exception*/public static String doPost(String url, String param){PrintWriter out = null;BufferedReader in = null;String result = "";try{URL realUrl = new URL(url);// 打开和URL之间的连接HttpURLConnection conn = (HttpURLConnection) realUrl.openConnection();// 设置通用的请求属性conn.setRequestProperty("accept", "*/*");conn.setRequestProperty("connection", "Keep-Alive");conn.setRequestMethod("POST");conn.setRequestProperty("Content-Type","application/x-www-form-urlencoded");conn.setRequestProperty("charset", "utf-8");conn.setUseCaches(false);// 发送POST请求必须设置如下两行conn.setDoOutput(true);conn.setDoInput(true);conn.setReadTimeout(TIMEOUT_IN_MILLIONS);conn.setConnectTimeout(TIMEOUT_IN_MILLIONS);if (param != null && !param.trim().equals("")){// 获取URLConnection对象对应的输出流out = new PrintWriter(conn.getOutputStream());// 发送请求参数out.print(param);// flush输出流的缓冲out.flush();}// 定义BufferedReader输入流来读取URL的响应in = new BufferedReader(new InputStreamReader(conn.getInputStream()));String line;while ((line = in.readLine()) != null){result += line;}} catch (Exception e){e.printStackTrace();}// 使用finally块来关闭输出流、输入流finally{try{if (out != null){out.close();}if (in != null){in.close();}} catch (IOException ex){ex.printStackTrace();}}return result;}
}

MessageType:

package com.zhongyitang.vehicle.common.weixin.utils;/*** 接收到的消息类型* By Oliver_Deng*/
public enum MessageType {TEXT,//文本消息IMAGE,//图片消息VOICE,//语音消息VIDEO,//视频消息SHORTVIDEO,//小视频消息LOCATION,//地理位置消息LINK,//链接消息EVENT//事件消息
}

WeChatApiUtil:

package com.zhongyitang.vehicle.common.weixin.utils;import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONException;
import com.alibaba.fastjson.JSONObject;import javax.net.ssl.*;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;/*** Created by Oliver_Deng*/
public class WeChatApiUtil {// token 接口(GET)private static final String ACCESS_TOKEN = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s";// 素材上传(POST)https://api.weixin.qq.com/cgi-bin/media/upload?access_token=ACCESS_TOKEN&type=TYPEprivate static final String UPLOAD_MEDIA = "https://api.weixin.qq.com/cgi-bin/media/upload";// 素材下载:不支持视频文件的下载(GET)private static final String DOWNLOAD_MEDIA = "http://file.api.weixin.qq.com/cgi-bin/media/get?access_token=%s&media_id=%s";public static String getTokenUrl(String appId, String appSecret) {return String.format(ACCESS_TOKEN, appId, appSecret);}public static String getDownloadUrl(String token, String mediaId) {return String.format(DOWNLOAD_MEDIA, token, mediaId);}/*** 通用接口获取Token凭证** @param appId* @param appSecret* @return*/public static String getToken(String appId, String appSecret) {if (appId == null || appSecret == null) {return null;}String token = null;String tockenUrl = WeChatApiUtil.getTokenUrl(appId, appSecret);String response = httpsRequestToString(tockenUrl, "GET", null);JSONObject jsonObject = JSON.parseObject(response);if (null != jsonObject) {try {token = jsonObject.getString("access_token");} catch (JSONException e) {token = null;// 获取token失败}}return token;}/*** 微信服务器素材上传** @param file  表单名称media* @param token access_token* @param type  type只支持四种类型素材(video/image/voice/thumb)*/
//    public static JSONObject uploadMedia(File file, String token, String type) {//        if (file == null || token == null || type == null) {//            return null;
//        }
//
//        if (!file.exists()) {//            System.out.println("上传文件不存在,请检查!");
//            return null;
//        }
//
//        String url = UPLOAD_MEDIA;
//        JSONObject jsonObject = null;
//        PostMethod post = new PostMethod(url);
//        post.setRequestHeader("Connection", "Keep-Alive");
//        post.setRequestHeader("Cache-Control", "no-cache");
//        FilePart media;
//        HttpClient httpClient = new HttpClient();
//        //信任任何类型的证书
//        Protocol myhttps = new Protocol("https", new SSLProtocolSocketFactory(), 443);
//        Protocol.registerProtocol("https", myhttps);
//
//        try {//            media = new FilePart("media", file);
//            Part[] parts = new Part[]{new StringPart("access_token", token),
//                    new StringPart("type", type), media};
//            MultipartRequestEntity entity = new MultipartRequestEntity(parts,
//                    post.getParams());
//            post.setRequestEntity(entity);
//            int status = httpClient.executeMethod(post);
//            if (status == HttpStatus.SC_OK) {//                String text = post.getResponseBodyAsString();
//                jsonObject = JSONObject.parseObject(text);
//            } else {//                System.out.println("upload Media failure status is:" + status);
//            }
//        } catch (FileNotFoundException e) {//            e.printStackTrace();
//        } catch (HttpException e) {//            e.printStackTrace();
//        } catch (IOException e) {//            e.printStackTrace();
//        }
//        return jsonObject;
//    }/*** 多媒体下载接口** @param fileName 素材存储文件路径* @param token    认证token* @param mediaId  素材ID（对应上传后获取到的ID）* @return 素材文件* @comment 不支持视频文件的下载*/public static File downloadMedia(String fileName, String token,String mediaId) {String url = getDownloadUrl(token, mediaId);return httpRequestToFile(fileName, url, "GET", null);}/*** 多媒体下载接口** @param fileName 素材存储文件路径* @param mediaId  素材ID（对应上传后获取到的ID）* @return 素材文件* @comment 不支持视频文件的下载*/public static File downloadMedia(String fileName, String mediaId) {String appId = "wx2cf6086315216ab0";String appSecret = "a4362add70c148da80e7442100782e4e";String token = WeChatApiUtil.getToken(appId, appSecret);return downloadMedia(fileName,token,mediaId);}/*** 以http方式发送请求,并将请求响应内容输出到文件** @param path   请求路径* @param method 请求方法* @param body   请求数据* @return 返回响应的存储到文件*/public static File httpRequestToFile(String fileName, String path, String method, String body) {if (fileName == null || path == null || method == null) {return null;}File file = null;HttpURLConnection conn = null;InputStream inputStream = null;FileOutputStream fileOut = null;try {URL url = new URL(path);conn = (HttpURLConnection) url.openConnection();conn.setDoOutput(true);conn.setDoInput(true);conn.setUseCaches(false);conn.setRequestMethod(method);if (null != body) {OutputStream outputStream = conn.getOutputStream();outputStream.write(body.getBytes("UTF-8"));outputStream.close();}inputStream = conn.getInputStream();if (inputStream != null) {file = new File(fileName);} else {return file;}//写入到文件fileOut = new FileOutputStream(file);if (fileOut != null) {int c = inputStream.read();while (c != -1) {fileOut.write(c);c = inputStream.read();}}} catch (Exception e) {} finally {if (conn != null) {conn.disconnect();}/** 必须关闭文件流* 否则JDK运行时，文件被占用其他进程无法访问*/try {inputStream.close();fileOut.close();} catch (IOException execption) {}}return file;}/*** 上传素材* @param filePath 媒体文件路径(绝对路径)* @param type 媒体文件类型，分别有图片（image）、语音（voice）、视频（video）和缩略图（thumb）* @return*/
//    public static JSONObject uploadMedia(String filePath,String type){//        File f = new File(filePath); // 获取本地文件
//        String appId = "wx2cf6086315216ab0";
//        String appSecret = "a4362add70c148da80e7442100782e4e";
//        String token = WeChatApiUtil.getToken(appId, appSecret);
//        JSONObject jsonObject = uploadMedia(f, token, type);
//        return jsonObject;
//    }/*** 发送请求以https方式发送请求并将请求响应内容以String方式返回** @param path   请求路径* @param method 请求方法* @param body   请求数据体* @return 请求响应内容转换成字符串信息*/public static String httpsRequestToString(String path, String method, String body) {if (path == null || method == null) {return null;}String response = null;InputStream inputStream = null;InputStreamReader inputStreamReader = null;BufferedReader bufferedReader = null;HttpsURLConnection conn = null;try {TrustManager[] tm = {new JEEWeiXinX509TrustManager()};SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");sslContext.init(null, tm, new java.security.SecureRandom());SSLSocketFactory ssf = sslContext.getSocketFactory();System.out.println(path);URL url = new URL(path);conn = (HttpsURLConnection) url.openConnection();conn.setSSLSocketFactory(ssf);conn.setDoOutput(true);conn.setDoInput(true);conn.setUseCaches(false);conn.setRequestMethod(method);if (null != body) {OutputStream outputStream = conn.getOutputStream();outputStream.write(body.getBytes("UTF-8"));outputStream.close();}inputStream = conn.getInputStream();inputStreamReader = new InputStreamReader(inputStream, "UTF-8");bufferedReader = new BufferedReader(inputStreamReader);String str = null;StringBuffer buffer = new StringBuffer();while ((str = bufferedReader.readLine()) != null) {buffer.append(str);}response = buffer.toString();} catch (Exception e) {} finally {if (conn != null) {conn.disconnect();}try {bufferedReader.close();inputStreamReader.close();inputStream.close();} catch (IOException execption) {}}return response;}//    public static void main(String[] args) throws Exception{//        //媒体文件路径
//        String filePath = "D:/我.jpg";
//        //String filePath = "D:/JavaSoftwareDevelopeFolder/IntelliJ IDEA_Workspace/WxStudy/web/media/voice/voice.mp3";
//        //String filePath = "D:\\JavaSoftwareDevelopeFolder\\IntelliJ IDEA_Workspace\\WxStudy\\web\\media\\video\\小苹果.mp4";
//        //媒体文件类型
//        String type = "image";
//        //String type = "voice";
//        //String type = "video";
//        JSONObject uploadResult = uploadMedia(filePath, type);
//        //{"media_id":"dSQCiEHYB-pgi7ib5KpeoFlqpg09J31H28rex6xKgwWrln3HY0BTsoxnRV-xC_SQ","created_at":1455520569,"type":"image"}
//        System.out.println(uploadResult.toString());
//
//        //下载刚刚上传的图片以id命名
//        String media_id = uploadResult.getString("media_id");
//        File file = downloadMedia("D:/" + media_id + ".png", media_id);
//        System.out.println(file.getName());
//
//    }
}class JEEWeiXinX509TrustManager implements X509TrustManager {public void checkClientTrusted(X509Certificate[] chain, String authType)throws CertificateException {}public void checkServerTrusted(X509Certificate[] chain, String authType)throws CertificateException {}public X509Certificate[] getAcceptedIssuers() {return null;}
}

TokenUtil:

/** 微信公众平台(JAVA) SDK** Copyright (c) 2014, Ansitech Network Technology Co.,Ltd All rights reserved.* * http://www.weixin4j.org/** Licensed under the Apache License, Version 2.0 (the "License");* you may not use this file except in compliance with the License.* You may obtain a copy of the License at**      http://www.apache.org/licenses/LICENSE-2.0** Unless required by applicable law or agreed to in writing, software* distributed under the License is distributed on an "AS IS" BASIS,* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.* See the License for the specific language governing permissions and* limitations under the License.*/
package org.weixin4j.util;import org.weixin4j.Configuration;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;/*** <p>* Title: 微信公众平台Token算法工具类</p>** <p>* Description: 为应用提供URL算法 根据不同的URL返回不同的Token，以适应多微站的需求* 例如：Url:http://www.weixin4j.org/api/tiexinqiao* 则默认Token:为jEvQdLxi0PvtgK8N+HzUpA== 根据配置的系统Token不同，而改变</p>** @author yangqisheng* @since 0.0.1*/
public class TokenUtil {//此加密密钥用于加密公众号Token，一经配置，不能修改，一旦修改，所有公众号需要重新填写Tokenprivate static String systemToken = null;/*** 获取配置文件配置的Token** @return 微站Token*/public static String get() {if (systemToken == null) {systemToken = Configuration.getProperty("weixin4j.token", "weixin4j");}return systemToken;}/*** 加密/校验流程如下：** <p>* 1. 将token、timestamp、nonce三个参数进行字典序排序<br>* 2.将三个参数字符串拼接成一个字符串进行sha1加密<br>* 3. 开发者获得加密后的字符串可与signature对比，标识该请求来源于微信<br>* </p>** @param token Token验证密钥* @param signature 微信加密签名，signature结合了开发者填写的token参数和请求中的timestamp参数，nonce参数* @param timestamp 时间戳* @param nonce 随机数* @return 验证成功返回true,否则返回false*/public static boolean checkSignature(String token, String signature, String timestamp, String nonce) {List<String> params = new ArrayList<String>();params.add(token);params.add(timestamp);params.add(nonce);//1. 将token、timestamp、nonce三个参数进行字典序排序Collections.sort(params, new Comparator<String>() {@Overridepublic int compare(String o1, String o2) {return o1.compareTo(o2);}});//2. 将三个参数字符串拼接成一个字符串进行sha1加密String temp = SHA1.encode(params.get(0) + params.get(1) + params.get(2));//3. 开发者获得加密后的字符串可与signature对比，标识该请求来源于微信return temp.equals(signature);}
}

还有上面刚刚发的WeChatUtil。

用到的VO:

Music：

package com.zhongyitang.vehicle.common.weixin.vo;import lombok.Data;/*** 音乐消息* By Oliver_Deng*/
@Data
public class Music {public String title;public String description;public String musicUrl;public String hqMusicUrl;
}

NewsItem:

package com.zhongyitang.vehicle.common.weixin.vo;import lombok.Data;/*** 图文消息* By Oliver_Deng*/
@Data
public class NewsItem {public String Title;public String Description;public String PicUrl;public String Url;
}

TemplateData:

package com.zhongyitang.vehicle.common.weixin.vo;
/*** 模板数据* @author By Oliver_Deng**/
public class TemplateData {private String value;//模板显示值private String color;//模板显示颜色public String getValue() {return value;}public void setValue(String value) {this.value = value;}public String getColor() {return color;}public void setColor(String color) {this.color = color;}
}

Video:

package com.zhongyitang.vehicle.common.weixin.vo;import lombok.Data;/*** 视频消息* BY Oliver_Deng*/
@Data
public class Video {public String title;public String description;public String mediaId;
}

WxTemplate:

package com.zhongyitang.vehicle.common.weixin.vo;import java.util.Map;/*** 模板基类* @author CLiang**/
public class WxTemplate {private String template_id;//模板IDprivate String touser;//目标客户private String url;//用户点击模板信息的跳转页面private String topcolor;//字体颜色private Map<String,TemplateData> data;//模板里的数据public String getTemplate_id() {return template_id;}public void setTemplate_id(String template_id) {this.template_id = template_id;}public String getTouser() {return touser;}public void setTouser(String touser) {this.touser = touser;}public String getUrl() {return url;}public void setUrl(String url) {this.url = url;}public String getTopcolor() {return topcolor;}public void setTopcolor(String topcolor) {this.topcolor = topcolor;}public Map<String,TemplateData> getData() {return data;}public void setData(Map<String,TemplateData> data) {this.data = data;}
}

复制完上述代码即可实现模板、图文、文本、音乐、图片推送。

参考自博客：https://blog.csdn.net/u011752195/article/details/81675818

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