thinkPHP框架实现的短信接口验证码功能示例

!doctype html>
html lang="en">
head>
  meta charset="UTF-8">
  title>Ajax无刷新上传/title>
/head>
script type="text/javascript" src="__PUBLIC__/js/jquery-1.10.2.min.js">/script>
body>
  div>
    请输入手机号码：input type="text" name="phone" class="phone">
  /div>
  div>
    a href="javascript:;" rel="external nofollow" class="butphone">点击获取短信验证码/a>
  /div>
/body>
  script type="text/javascript">
    $('.butphone').click(function(){
      var phone = $('.phone').val();//手机号码
      $.post(
        "{:U('smsbao')}",//传递的方法
        {phone1:phone},//参数
        function (data){
          if(data == '1'){
            alert('输入框不能为空');
          }else if(data == '2'){
            alert('输入的值为非数字');
          }else{
            alert(data);
          }
          },
          'json'
        )
    })
  /script>
/html>

?php
  namespace Home\Controller;
  use Think\Controller;
  class IndexController extends Controller 
  {
    //视图
    public function index()
    {
      $this->display();
    }
    //短信接口 
    public function smsbao()
    {  
      $phonenum = trim( I('post.phone1') );//接收到的参数
      //首先判断电话为不为空
      if(empty($phonenum) ){
        $this->ajaxReturn('1');
      }
      //判断是否为数字
      $boolphone = is_numeric($phonenum);
      if($boolphone){
        $statusStr = array(
          "0"   => "短信发送成功",
          "-1" => "参数不全",
          "-2" => "服务器空间不支持,请确认支持curl或者fsocket，联系您的空间商解决或者更换空间！",
          "30" => "密码错误",
          "40" => "账号不存在",
          "41" => "余额不足",
          "42" => "帐户已过期",
          "43" => "IP地址限制",
          "50" => "内容含有敏感词"
          );
          $num = rand(100000, 999999);//设置随机数
          setcookie("numset", $num);//把值放入COOKIE中，关闭浏览器清除cookie;
          $smsapi = "http://api.smsbao.com/";
          $user = "asdf75054138"; //短信平台帐号
          $pass = md5("asdf75054138"); //短信平台密码
          $content="[Bug],来自四个火枪手的验证，验证码：".$num;//要发送的短信内容，随便设置
          $phone = $phonenum;//要发送短信的手机号码
          $sendurl = $smsapi."sms?u=".$user."p=".$pass."m=".$phone."c=".urlencode($content);//固定格式
          $result =file_get_contents($sendurl);//固定格式
          $this->ajaxReturn( $statusStr[$result] );//短信是否发送成功
        }else{
            $this->ajaxReturn( '2' );
        }
      }
  }