EagleUserMessageSendPostRequest request = new EagleUserMessageSendPostRequest();
request.setEntId("APICeShiQiYe");
request.setChannel("supos");
request.setSenderId("ApiTest");
request.setMessageTitle("消息标题");
List r = new ArrayList<>();
r.add("ApiTest");
request.setReceivers(r);
request.setType("email");
request.setType("stationLetter");
request.setMessageBody("消息主要内容xxxx");
EagleUserMessageSendResponse response = qpaasHttpClient.doAction(request);
System.out.println(JSON.toJSONString(response));