import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.text.SimpleDateFormat;
import java.util.Date;public class SMSUtils {private static String corpid = "xxx";// 用户private static String pswd = "xxx";// 密码private static String loginParam = "?corpid=" + corpid + "&pswd=" + pswd;private static int timeOut = 20000;//超时/*** 发送单条短信*/public static String sendGet(String phone, String msg) {SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmsss");String timeStr = sdf.format(new Date());// 当前的时间戳BufferedReader in = null;StringBuilder http = new StringBuilder();http.append("http://120.31.132.210/httpinterface/mt.php");http.append(loginParam);http.append("&smsid=");http.append(phone);http.append(timeStr);http.append("&mob=");http.append(phone);http.append("&msg=");http.append(msg);String codeStr = "";// 存放返回值的代码try {URL realUrl = new URL(http.toString());// 打开和URL之间的连接URLConnection connection = realUrl.openConnection();// 设置通用的请求属性connection.setRequestProperty("accept", "*/*");connection.setRequestProperty("connection", "Keep-Alive");connection.setRequestProperty("user-agent","Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");connection.setReadTimeout(timeOut);// 建立实际的连接connection.connect();// 定义 BufferedReader输入流来读取URL的响应in = new BufferedReader(new InputStreamReader(connection.getInputStream()));String line;while ((line = in.readLine()) != null) {codeStr += line;}} catch (IOException io) {System.out.println("发送GET请求出现异常！" + io);io.printStackTrace();}// 使用finally块来关闭输入流finally {try {if (in != null) {in.close();}} catch (Exception e2) {e2.printStackTrace();}}return codeStr;}public static void main(String[] args) {String mob = "电话号码";String msg = "短信内容";// 短信的内容System.out.println("短信号码：" + mob);String response = sendGet(mob, msg);System.out.println("返回的验证码：" + response);}}