java 随机生成6位短信验证码实例代码

生成6位随机数字其实很简单,只需一行代码,具体如下:

String verifyCode = String.valueOf(new Random().nextInt(899999) + 100000);

具体实现发送短信验证码功能,以注册为例,其实现代码如下:

这里需要用到第三方短信验证码接口,这里用到的是乐信短信验证码接口,乐信接口API文档说明(http://www.lx598.com/apitext.html),乐信java调用短信验证码接口 demo(http://www.lx598.com/javaCode.html)。

// 注册新用户

  @Action(value = "reAimcodeGetVeCode")
  public void reAimcodeGetVeCode() {
    PrintWriter out;
    String result = "验证码申请失败!请重试!";
    try {
      smsUnit = new SmsUnit(ConfUtil.getProperty("sys_sms_server"));
      if (null != account.getACCMOB() && !account.getACCMOB().equals("")) {
        account.setACCSTATUS(new BigDecimal(1));//设置使用状态未用
        String verifyCode = String
            .valueOf(new Random().nextInt(899999) + 100000);//生成短信验证码
        account.setFSECURITYCODE(verifyCode);
        account.setACCCREATEDATE(new Date());
        
        // 设置验证码失效时间为1分钟
        Calendar c = Calendar.getInstance();
        c.add(Calendar.  Minute in hour, 1); 
        // 执行短信发送
        account.setFREGISTERSOURCE(fromSource);
          request.getSession().removeAttribute(ConstValues.WEB_SESSION_PROMOTE);
          AccountCriteria ac = new AccountCriteria();
          ac.createCriteria().andACCMOBEqualTo(account.getACCMOB());
          List acList = new ArrayList();
          acList = accountService.selectByExample(ac);
          if (acList != null && acList.size() > 0) {
            String content = "您的验证码为:" + verifyCode+",该码有效期为24小时,该码只能使用一次!【短信签名】";
            SendSmsReply sendSmsReply = smsUnit.sendSms(accName,accPwd ,account.getACCMOB(),content,"");
 
//调用第三方接口发送短信            result = sendSmsReply.getReplyMsg() + "&"
                + acList.get(0).getFID() + "&"
                + acList.get(0).getSDKURL();
          }
      }
    } catch (Exception e) {
      logger.error("获取验证码失败", e);
    } finally {
      try {
        response.setContentType("text/html;charset=UTF-8");
        response.setCharacterEncoding("UTF-8");
        out = response.getWriter();
        out.write(result);
      } catch (IOException e) {
        logger.error("", e);
      }
    }
  }

//第三方短信发送接口代码:
/**
         * 发送短信
         * @param accName 乐信账号用户名
         * @param accPwd 乐信账号密码
         * @param seed 当前时间 格式:YYYYMMDD HHMISS 例如:20130806102030
         * @param aimcodes 手机号多个手机号之间英文半角逗号隔开
         * @param content 内容后加签名
         * @param schTime 定时时间格式如:2010-01-01 08:00:00
         * @return 服务端返回的结果 ok:业务id 或者 错误代码
         */
        public static String sendSms(String accName,String accPwd,String mobies,String content,String schTime){
          StringBuffer sb = new StringBuffer("http://sdk.lx198.com/sdk/send2?");
          try {
            String seed=new SimpleDateFormat(dateFormatStr).format(new Date());
            sb.append("&accName="+accName); 
            sb.append("&seed="+seed);
            sb.append("&accPwd="+MD5.getMd5String(MD5.getMd5String(accPwd)+seed)); 
            sb.append("&aimcodes="+mobies);
            sb.append("&schTime="+URLEncoder.encode(schTime,"UTF-8")); //空格标点符号做encode转换
            sb.append("&content="+URLEncoder.encode(content,"UTF-8")); //中文做encode转换
            URL url = new URL(sb.toString());
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setRequestMethod("POST");
            BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));
            return in.readLine();
          } catch (Exception e) {
            e.printStackTrace();
          }
          return null;
        }

PS:Java随机生成四位数字的验证码

package com.day14string;
import java.util.Random;
public class Test2 {
 public String getCheckCode() {
 String ZiMu = "qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGJKLZXCVBNM1234567890";
 String result = "";
 Random random = new Random();
 for (int i = 0; i < 4; i++) {
  int index = random.nextInt(ZiMu.length());
  char c = ZiMu.charAt(index);
  result += c;
 }
 return result;
 }
 public static void main(String[] args) {
 // TODO Auto-generated method stub
 Test2 test2 = new Test2();
 System.out.println(test2.getCheckCode());
 }
}

 总结

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