程式碼：

sendsms.java

//介面型別：互億無線觸發簡訊介面，支援傳送驗證碼簡訊、訂單通知簡訊等。
// 賬戶註冊：請通過該地址開通賬戶http://sms.ihuyi.com/register.html
// 注意事項：
//（1）除錯期間，請用預設的模板進行測試，預設模板詳見介面文件；
//（2）請使用APIID（檢視APIID請登入使用者中心->驗證碼、通知簡訊->帳戶及簽名設定->APIID）及 APIkey來呼叫介面，APIkey在會員中心可以獲取；

import java.io.IOException;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.PostMethod;

import org.dom4j.Document;   
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;   
import org.dom4j.Element;   

public class sendsms {
	
	private static String Url = "http://106.ihuyi.cn/webservice/sms.php?method=Submit";
	
	public static void main(String [] args) {
		
		HttpClient client = new HttpClient(); 
		PostMethod method = new PostMethod(Url);

		client.getParams().setContentCharset("GBK");
		method.setRequestHeader("ContentType","application/x-www-form-urlencoded;charset=GBK");

		int mobile_code = (int)((Math.random()*9+1)*100000);  //隨機數生成驗證碼
	    String content = new String("您的驗證碼是：" + mobile_code + "。請不要把驗證碼洩露給其他人。");

		NameValuePair[] data = {//提交簡訊
			    new NameValuePair("account", "C22613578"), //檢視使用者名稱請登入使用者中心->驗證碼、通知簡訊->帳戶及簽名設定->APIID
			    new NameValuePair("password", "6dd1851e2511a426ee60a8b7177d33e"),  //檢視密碼請登入使用者中心->驗證碼、通知簡訊->帳戶及簽名設定->APIKEY
			    //new NameValuePair("password", util.StringUtil.MD5Encode("密碼")),   //根據需要，可能要對密碼進行加密
			    new NameValuePair("mobile", "18953532734"), //要傳送驗證碼的手機號
			    new NameValuePair("content", content),
		};
		method.setRequestBody(data);

		try {
			client.executeMethod(method);
			
			String SubmitResult =method.getResponseBodyAsString();
			//System.out.println(SubmitResult);

			Document doc = DocumentHelper.parseText(SubmitResult);
			Element root = doc.getRootElement();

			String code = root.elementText("code");
			String msg = root.elementText("msg");
			String smsid = root.elementText("smsid");

			System.out.println(code);
			System.out.println(msg);
			System.out.println(smsid);

			 if("2".equals(code)){
				System.out.println("簡訊提交成功");
			}

		} catch (HttpException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (DocumentException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}	
		
	}
	
}
 

package util;

import java.security.MessageDigest;

public class StringUtil {
	public static String str;
	public static final String EMPTY_STRING = "";

	private final static String[] hexDigits = { "0", "1", "2", "3", "4", "5",
			"6", "7", "8", "9", "A", "B", "C", "D", "E", "F" };

	private static String byteToHexString(byte b) {
		int n = b;
		if (n < 0)
			n = 256 + n;
		int d1 = n / 16;
		int d2 = n % 16;
		return hexDigits[d1] + hexDigits[d2];
	}

	/**
	 * 轉換位元組陣列為16進位制字串
	 * @param b 位元組陣列
	 * @return 16進位制字串
	 */
	public static String byteArrayToHexString(byte[] b) {
		StringBuffer resultSb = new StringBuffer();
		for (int i = 0; i < b.length; i++) {
			resultSb.append(byteToHexString(b[i]));
		}
		return resultSb.toString();
	}

	public static String MD5Encode(String origin) {
		String resultString = null;
		try {
			resultString = new String(origin);
			MessageDigest md = MessageDigest.getInstance("MD5");
			resultString = byteArrayToHexString(md.digest(resultString
					.getBytes()));
		} catch (Exception ex) {
		}
		return resultString;
	}

}