微信公众号消息推送-模板消息发送

先注册一个微信公众号;或者申请接口测试号来进行开发；

接口测试号申请链接：

https://mp.weixin.qq.com/debug/cgi-bin/sandbox?t=sandbox/login

这里先介绍测试号的开发；

点击链接进入页面，会看到y一个二维码，用微信扫描后就会分配给你一个微信公众测试账号；

然后找到如下这个位置，点击“新增测试模板”按钮，填写

 

下面是相关代码;

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@Test  public void sendTemplate(){      postTemplateMsg("appid","appSecret", "openId");//这里替换成你自己的信息  }     public  String  sendTemplateMessage(String openId){         TemplateMsg tm=new TemplateMsg();      tm.setTouser(openId);      tm.setTemplate_id("模板Id");      tm.setUrl("https://wwww.baidu.com");             //about data start      Map<String,Object> m = new HashMap<String,Object>();       TemplateData first = new TemplateData();       first.setColor("#000000");         first.setValue("您好，您有一个流程待办需要处理:");         m.put("first", first);                TemplateData keyword1 = new TemplateData();         keyword1.setColor("#000000");         keyword1.setValue("11111111111111");         m.put("keyword1", keyword1);                TemplateData keyword2 = new TemplateData();         keyword2.setColor("#000000");         keyword2.setValue("爱你一万年");         m.put("keyword2", keyword2);                TemplateData keyword3 = new TemplateData();         keyword3.setColor("#000000");         keyword3.setValue("2018.04.27 09:51:30");         m.put("keyword3", keyword3);                TemplateData keyword4 = new TemplateData();         keyword4.setColor("#000000");         keyword4.setValue("不够");         m.put("keyword4", keyword4);                TemplateData remark = new TemplateData();         remark.setColor("#000000");         remark.setValue("再加一万年");         m.put("remark", remark);       //about data end         tm.setData(m);         String jsonString = JSONObject.fromObject(tm).toString();         System.out.println("jsonString:"+jsonString);         return jsonString;  }     /**   * 发送模板消息   * appId 公众账号的唯一标识   * appSecret 公众账号的密钥   * openId 用户标识   */  public  void postTemplateMsg(String appId, String appSecret, String openId){      Token token = CommonUtil.getToken(appId, appSecret);      String access_token = token.getAccessToken();      String requestUrl = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token="+access_token;        System.out.println("requestUrl:"+requestUrl);             String jsonString = sendTemplateMessage(openId);             JSONObject jsonObject = CommonUtil.httpsRequest(requestUrl, "POST", jsonString);             System.out.println("jsonObject="+jsonObject);         if (null != jsonObject) {           int errorCode = jsonObject.getInt("errcode");                  if (0 == errorCode) {               System.out.println("模板消息发送成功！");           } else {               String errorMsg = jsonObject.getString("errmsg");               System.out.println("模板消息发送失败,错误码是:"+errorCode+",错误信息是:"+errorMsg);           }       }  }

　　

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/** * 类名: CommonUtil </br> * 描述: 通用工具类 </br> * 发布版本：V1.0  </br>  */ public class CommonUtil {       // 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";       /**      * 发送https请求      *      * @param requestUrl 请求地址      * @param requestMethod 请求方式（GET、POST）      * @param outputStr 提交的数据      * @return JSONObject(通过JSONObject.get(key)的方式获取json对象的属性值)      */     public static JSONObject httpsRequest(String requestUrl, String requestMethod, String outputStr) {         JSONObject jsonObject = null;         try {             // 创建SSLContext对象，并使用我们指定的信任管理器初始化             TrustManager[] tm = { new MyX509TrustManager() };             SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");             sslContext.init(null, tm, new java.security.SecureRandom());             // 从上述SSLContext对象中得到SSLSocketFactory对象             SSLSocketFactory ssf = sslContext.getSocketFactory();               URL url = new URL(requestUrl);             HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();             conn.setSSLSocketFactory(ssf);                           conn.setDoOutput(true);             conn.setDoInput(true);             conn.setUseCaches(false);             // 设置请求方式（GET/POST）             conn.setRequestMethod(requestMethod);               // 当outputStr不为null时向输出流写数据             if (null != outputStr) {                 OutputStream outputStream = conn.getOutputStream();                 // 注意编码格式                 outputStream.write(outputStr.getBytes("UTF-8"));                 outputStream.close();             }               // 从输入流读取返回内容             InputStream inputStream = conn.getInputStream();             InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8");             BufferedReader bufferedReader = new BufferedReader(inputStreamReader);             String str = null;             StringBuffer buffer = new StringBuffer();             while ((str = bufferedReader.readLine()) != null) {                 buffer.append(str);             }               // 释放资源             bufferedReader.close();             inputStreamReader.close();             inputStream.close();             inputStream = null;             conn.disconnect();             jsonObject = JSONObject.fromObject(buffer.toString());         } catch (ConnectException ce) {             System.out.println("连接超时："+ ce);         } catch (Exception e) {             System.out.println("https请求异常："+ e);         }         return jsonObject;     }       /**      * 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);                             System.out.println("requestUrl:"+requestUrl);                             // 发起GET请求获取凭证         JSONObject jsonObject = httpsRequest(requestUrl, "GET", null);           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                 System.out.println("获取token失败 errcode:"+jsonObject.getInt("errcode")+"errmsg:"+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;     }           public static void main(String args[]) {         //https://1d488f5d.ngrok.io/WeiXinProject/         String source="https://565b4dad.ngrok.io/WeChatPublicNumber/oauthServlet";         System.out.println(CommonUtil.urlEncodeUTF8(source));               } }

　over!