java实现微信公众号发送模版消息

{{first.DATA}} 用户名：{{keyword1.DATA}} 订单号：{{keyword2.DATA}} 订单金额：{{keyword3.DATA}} 商品信息：{{keyword4.DATA}} {{remark.DATA}}

public void sendOrderTemplateMessage(Order order) {  AugeWechatUser wechatUser = augeWechatUserMapper.selectByPhone(order.getPhone());  String goodsInfo = "";  for (AugeSaleItem augeSaleItem : order.getData()) {    goodsInfo += augeSaleItem.getItemName() + "×" + augeSaleItem.getItemNum() + "/n/t/t/t";  }  DataInfo first = new DataInfo("恭喜你购买成功！", "#ff0000");  DataInfo keyword1 = new DataInfo(wechatUser.getNickName(), "#ff0000");  DataInfo keyword2 = new DataInfo(order.getOrderNumber(), "#ff0000");  DataInfo keyword3 = new DataInfo("￥" + order.getSumPrice() + "元", "#ff0000");  DataInfo keyword4 = new DataInfo(goodsInfo, "#ff0000");  DataInfo remark = new DataInfo("欢迎再次购买！", "#000000");  OrderData orderData = new OrderData(first, keyword1, keyword2, keyword3, keyword4, remark);  OrderTemplateMessage templateMessage = new OrderTemplateMessage();  templateMessage.setTouser(wechatUser.getId());  templateMessage.setTemplate_id(orderTemplateId);//模版ID  templateMessage.setData(orderData);  OkHttpUtil.getInstance().doPost(WechatConstant.getTemplateUrl(wechatAccessTokenService.takeAccessToken()), JSON.toJSONString(templateMessage));}

public String doPost(String url, String param) {    MediaType );    RequestBody body = RequestBody.create(JSON, param);    Request request = new Request.Builder()        .url(url)        .post(body)        .build();    Call call = okHttpClient.newCall(request);    try {      Response response = call.execute();      return response.body().string();    } catch (IOException e) {      e.printStackTrace();    }    return null;  }

 @Value("#{setting.ordertemplateid}") private String orderTemplateId;