天翼开放平台自定义短信验证码下发使用方法java版

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TreeMap;

import open189.sign.ParamsSign;
import emp.tool.json.JSONException;
import emp.tool.json.JSONObject;

public class Test {
	static String app_id = "app_id";
	static String app_secret = "app_secret";
	static String access_token = "";
    static String randcode="099871";//自定义验证码，6位数字
    static String phoneNo="15800000000";//自定义手机号，11位数字

	private static String getAccess_Token() throws IOException, JSONException {
		String postUrl = "https://oauth.api.189.cn/emp/oauth2/v2/access_token?grant_type=client_credentials&app_id="
				+ app_id + "&app_secret=" + app_secret;
		String resJson1 = HttpInvoker.httpPost(postUrl, null, null);
		JSONObject json = new JSONObject(resJson1);
		return json.get("access_token").toString();
	}

	private static String sendSms(String userPhone) throws Exception {
		access_token = getAccess_Token();
		// System.out.println("test0    "+access_token);
		Date date = new Date();
		SimpleDateFormat dateFormat = new SimpleDateFormat(
				"yyyy-MM-dd HH:mm:ss");
		String timestamp = dateFormat.format(date);
		// System.err.println(timestamp);
		TreeMap<String, String> paramsMap = new TreeMap<String, String>();
		paramsMap.put("app_id", app_id);
		paramsMap.put("access_token", access_token);
		paramsMap.put("timestamp", timestamp);

		String getUrl = "http://api.189.cn/v2/dm/randcode/token?app_id="
				+ app_id + "&access_token=" + access_token + "×tamp="
				+ timestamp + "&sign="
				+ ParamsSign.value(paramsMap, app_secret);
		// System.err.println("test1  " + getUrl);
		String resJson = HttpInvoker.httpGet(getUrl);
		// System.err.println("test2  " + resJson);
		JSONObject json = new JSONObject(resJson);
		// System.out.println("test3    " + json.get("token"));

		TreeMap<String, String> paramsMap1 = new TreeMap<String, String>();
		paramsMap1.put("app_id", app_id);
		paramsMap1.put("access_token", access_token);
		paramsMap1.put("token", json.get("token").toString());
		paramsMap1.put("phone", userPhone);
		paramsMap1.put("randcode", randcode);
		paramsMap1.put("exp_time", "2");
		paramsMap1.put("timestamp", timestamp);

		String postUrl = "http://api.189.cn/v2/dm/randcode/sendSms";
		String postEntity = "app_id=" + app_id + "&access_token="
				+ access_token + "&token=" + json.get("token") + "&phone="
				+ userPhone + "&randcode="
				+ randcode
				+ "&exp_time=" + "2" + "×tamp=" + timestamp + "&sign="
				+ ParamsSign.value(paramsMap1, app_secret);

		String resJson1 = HttpInvoker.httpPost(postUrl, null, postEntity);
		return resJson1;
	}

	public static void main(String[] args) throws Exception {
		System.out.println(sendSms(phoneNo));
	}
}