手机短信接口的调用

    Random random = new Random();
    int sdkappid = 申请到的腾讯云appid;
    String appkey = 腾讯云appkey;
    // 请根据我们的说明文档适时调整 url
    final String url = "https://yun.tim.qq.com/v3/tlssmssvr/sendsms";


         public String sendMsg( String phoneNumber) {
        long rnd = random.nextInt(999999) % (999999 - 100000 + 1) + 100000;
        String wholeUrl = String.format("%s?sdkappid=%d&random=%d", url, sdkappid, rnd);
        String pnum = null;
        try {
            URL object = new URL(wholeUrl);
            HttpURLConnection con = (HttpURLConnection) object.openConnection();
            con.setDoOutput(true);
            con.setDoInput(true);
            con.setRequestProperty("Content-Type", "application/json");
            con.setRequestProperty("Accept", "application/json");
            con.setRequestMethod("POST");
            JSONObject data = new JSONObject();
            JSONObject tel = new JSONObject();
            String nationCode = "86";
            tel.put("nationcode", nationCode);
            String phone = phoneNumber;
            tel.put("phone", phone);
            data.put("type", "0");
            data.put("tpl_id", 194773);//正文ID
            pnum = String.valueOf(rnd);
            List<String> places = Arrays.asList(pnum, "5");//随机生成6位数，间隔5分钟
            data.put("params", places);

            String sig = MD5Utils.MD5(appkey.concat(phone));
            data.put("sig", sig);
            data.put("tel", tel);
            //data.put("sign", "");
            data.put("extend", "");
            data.put("ext", "");

            OutputStreamWriter wr = new OutputStreamWriter(con.getOutputStream(), "utf-8");
            wr.write(data.toString());
            wr.flush();
            // 显示 POST 请求返回的内容
            StringBuilder sb = new StringBuilder();
            int HttpResult = con.getResponseCode();
            if (HttpResult == HttpURLConnection.HTTP_OK) {
                BufferedReader br = new BufferedReader(new InputStreamReader(con.getInputStream(), "utf-8"));
                String line = null;
                while ((line = br.readLine()) != null) {
                    sb.append(line + "\n");
                }
                br.close();
                System.out.println("" + sb.toString());
            } else {
                System.out.println(con.getResponseMessage());
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        System.out.println(pnum);
        return pnum;
    }