企业微信群聊机器人发送群聊消息

@Override
public WxResponse robotMsgSend(String missionId, RobotMsg robotMsg) {
    try {
        log.info("机器人发送群聊消息开始，missionId：{}，robotMsg：{}", missionId, robotMsg);
        List<String> memberList = robotMsg.getMemberList();
        String jsonData = "";
        String mobileList = "";
        String strMember = "";
        if (robotMsg.getMsgType().equals(AppMsgType.TEXT.value())) {
            if (!Strings.isNullOrEmpty(robotMsg.getMobileList())) {
                mobileList = robotMsg.getMobileList();
            } else {
                mobileList = "";
            }
            for (int i = 0; i < memberList.size(); i++) {
                if (i == memberList.size() - 1) {
                    strMember += "\"" + memberList.get(i) + "\"";
                } else {
                    strMember += "\"" + memberList.get(i) + "\"" + ",";
                }
            }
            String[] members = new String[memberList.size()];
            for (int i = 0; i < memberList.size(); i++) {
                members[i] = memberList.get(i);
            }
            jsonData = "{\n" +
                    "\t\"msgtype\": \"" + robotMsg.getMsgType() + "\",\n" +
                    "    \"text\": {\n" +
                    "        \"content\": \"" + robotMsg.getContent() + "\",\n" +
                    "        \"mentioned_list\":[" + strMember + "],\n" +
                    "        \"mentioned_mobile_list\":[\"" + mobileList + "\"]\n" +
                    "    }\n" +
                    "}";

        } else if (robotMsg.getMsgType().equals(AppMsgType.IMAGE.value())) {
            //图片base64加密的值
            robotMsg.setImageBase64Value(ImageUtil.getImageStr(robotMsg.getSavePath()));
            //图片md5加密的值
            robotMsg.setImageMd5Value(DigestUtils.md5Hex(new FileInputStream(robotMsg.getSavePath())));
            jsonData = "{\n" +
                    "    \"msgtype\": \"" + robotMsg.getMsgType() + "\",\n" +
                    "    \"image\": {\n" +
                    "        \"base64\": \"" + robotMsg.getImageBase64Value() + "\",\n" +
                    "        \"md5\": \"" + robotMsg.getImageMd5Value() + "\"\n" +
                    "    }\n" +
                    "}";
        } else if (robotMsg.getMsgType().equals(AppMsgType.NEWS.value())) {
            //图文消息
            robotMsg.setTitle(!Strings.isNullOrEmpty(robotMsg.getTitle()) ? robotMsg.getTitle() : "");
            jsonData = "{\n" +
                    "    \"msgtype\": \"" + robotMsg.getMsgType() + "\",\n" +
                    "    \"news\": {\n" +
                    "       \"articles\" : [\n" +
                    "           {\n" +
                    "               \"title\" : \"" + robotMsg.getTitle() + "\",\n" +
                    "               \"description\" : \"" + robotMsg.getDescription() + "\",\n" +
                    "               \"url\" : \"" + robotMsg.getUrl() + "\",\n" +
                    "               \"picurl\" : \"" + robotMsg.getImageUrl() + "\"\n" +
                    "           }\n" +
                    "        ]\n" +
                    "    }\n" +
                    "}";
        }
        log.info("missionId:{},企业微信发送应用消息请求报文：{},Webhook：{}", missionId, jsonData, robotMsg.getWebhookAddress());
        String res = HttpUtil.postJson(robotMsg.getWebhookAddress(), jsonData);
        log.info("missionId:{},企业微信发送应用消息返回报文：{}", res);
        WxResponse wxResponse = JSON.parseObject(res, WxResponse.class);
        return wxResponse;
    } catch (Exception e) {
        log.info("发送机器人消息失败：{}", e.getMessage());
        return new WxResponse(-1, e.getMessage());
    }

企业微信群聊机器人发送群聊消息

原文：https://www.cnblogs.com/Marlo/p/15019963.html