java实现发送短信验证码

package com.demo.util;
 
 
import java.io.IOException;
import java.util.Map;
 
 
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.SimpleHttpConnectionManager;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
 
 
public class HttpRequestUtil {
 /**
 * HttpClient 模拟POST请求
 * @param url
 * @param params
 * @return
 */
 public static String postRequest(String url, Map<String, String> params) {
  //构造HttpClient的实例
  HttpClient httpClient = new HttpClient();
 
 
  //创建POST方法的实例
  PostMethod postMethod = new PostMethod(url);
 
 
  //设置请求头信息
  postMethod.setRequestHeader("Connection", "close");
 
 
  //添加参数
  for (Map.Entry<String, String> entry : params.entrySet()) {
   postMethod.addParameter(entry.getKey(), entry.getValue());
  }
 
 
  //使用系统提供的默认的恢复策略,设置请求重试处理，用的是默认的重试处理：请求三次
  httpClient.getParams().setBooleanParameter("http.protocol.expect-continue", false);
 
 
  //接收处理结果
  String result = null;
  try {
   //执行Http Post请求
   httpClient.executeMethod(postMethod);
 
 
   //返回处理结果
   result = postMethod.getResponseBodyAsString();
  } catch (HttpException e) {
   // 发生致命的异常，可能是协议不对或者返回的内容有问题
   System.out.println("请检查输入的URL!");
   e.printStackTrace();
  } catch (IOException e) {
   // 发生网络异常
   System.out.println("发生网络异常!");
   e.printStackTrace();
  } finally {
   //释放链接
   postMethod.releaseConnection();
 
 
   //关闭HttpClient实例
   if (httpClient != null) {
    ((SimpleHttpConnectionManager) httpClient.getHttpConnectionManager()).shutdown();
    httpClient = null;
   }
  }
  return result;
 }
 
 
 /**
  * HttpClient 模拟GET请求
  * 方法说明
  * @Discription:扩展说明
  * @param url
  * @param params
  * @return String
  */
 public static String getRequest(String url, Map<String, String> params) {
  //构造HttpClient实例
  HttpClient client = new HttpClient();
 
 
  //拼接参数
  String paramStr = "";
  for (String key : params.keySet()) {
   paramStr = paramStr + "&" + key + "=" + params.get(key);
  }
  paramStr = paramStr.substring(1);
 
 
  //创建GET方法的实例
  GetMethod method = new GetMethod(url + "?" + paramStr);
 
 
  //接收返回结果
  String result = null;
  try {
   //执行HTTP GET方法请求
   client.executeMethod(method);
 
 
   //返回处理结果
   result = method.getResponseBodyAsString();
  } catch (HttpException e) {
   // 发生致命的异常，可能是协议不对或者返回的内容有问题
   System.out.println("请检查输入的URL!");
   e.printStackTrace();
  } catch (IOException e) {
   // 发生网络异常
   System.out.println("发生网络异常!");
   e.printStackTrace();
  } finally {
   //释放链接
   method.releaseConnection();
 
 
   //关闭HttpClient实例
   if (client != null) {
    ((SimpleHttpConnectionManager) client.getHttpConnectionManager()).shutdown();
    client = null;
   }
  }
  return result;
 }
}

package com.demo.util;
 
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;
 
 
public class SendMsgUtil {
 /**
  * 发送短信消息
  * 方法说明
  * @Discription:扩展说明
  * @param phones
  * @param content
  * @return
  * @return String
  */
 @SuppressWarnings("deprecation")
 public static String sendMsg(String phones,String content) {
 try {
 content = java.net.URLEncoder.encode(content,"utf-8");
 System.out.println(content);
 } catch (UnsupportedEncodingException e) {
 // TODO Auto-generated catch block
 e.printStackTrace();
 }
  //短信接口URL提交地址
  String url = "https://api.dingdongcloud.com/v1/sms/sendyzm?apikey=b46c4961aa875f626b7924aace0d53f7&mobile="+phones+"&content="+content;
 
  Map<String, String> params = new HashMap<String, String>();
 
  params.put("zh", "账号");
  params.put("mm", "密码");
  params.put("dxlbid", "短信类别编号");
  params.put("extno", "扩展编号");
 
  //手机号码，多个号码使用英文逗号进行分割
  params.put("hm", phones);
  //将短信内容进行URLEncoder编码
  params.put("nr", URLEncoder.encode(content));
 
  return HttpRequestUtil.getRequest(url, params);
 }
 
 /**
  * 随机生成6位随机验证码
  * 方法说明
  * @Discription:扩展说明
  * @return
  * @return String
  */
 public static String createRandomVcode(){
  //验证码
  String vcode = "";
  for (int i = 0; i < 6; i++) {
   vcode = vcode + (int)(Math.random() * 9);
  }
  return vcode;
 }
 /**
  * 测试
  * 方法说明
  * @Discription:扩展说明
  * @param args
  * @return void
  */
 public static void main(String[] args) {
//  System.out.println(SendMsgUtil.createRandomVcode());
//  System.out.println("&ecb=12".substring(1));
  System.out.println(sendMsg("18201150549", "【签名】尊敬的用户，您的验证码为" + SendMsgUtil.createRandomVcode() + "，请在10分钟内输入。请勿告诉其他人!"));
 }
}