shop/mobile/source/apps/sms/controllers/IndexController.php

<?php
namespace apps\sms\controllers;
use apps\base\controllers\FrontendController;

class IndexController extends FrontendController {

    protected $mobile;
    //短信验证码
    protected $mobile_code;
    //安全码
    protected $sms_code;

    protected $flag;
    public function __construct() {
        parent::__construct();
        $this->mobile = I('mobile');
        $this->mobile_code = I('mobile_code');
        $this->sms_code = I('sms_code');
        $this->flag  = I('flag');
    }

    //发送
    public function actionSend() {
        if (empty($this->mobile)) {
            exit(json_encode(array('msg' => '手机号码不能为空')));
        }

        $preg = '/^1[0-9]{10}$/'; //简单的方法
        if (!preg_match($preg, $this->mobile)) {
            exit(json_encode(array('msg' => '手机号码格式不正确')));
        }

        if ($_SESSION['sms_mobile']) {
            if (strtotime($this->read_file($this->mobile)) > (time() - 60)) {
                exit(json_encode(array('msg' => '获取验证码太过频繁，一分钟之内只能获取一次。')));
            }
        }

        $where['mobile_phone'] = $this->mobile;
        $user_id = $this->db->getOne("SELECT user_id FROM {pre}users WHERE mobile_phone='".$where['mobile_phone']."'");
        if ($this->flag == 'register') {
            //手机注册
            if (!empty($user_id)) {
                exit(json_encode(array('msg' => '手机号码已存在，请更换手机号码')));
            }
        } elseif ($this->flag == 'forget') {
            //找回密码
            if (empty($user_id)) {
                exit(json_encode(array('msg' => "手机号码不存在\n无法通过该号码找回密码")));
            }
        }

        $this->mobile_code = $this->random(6, 1);
        $message = "您的验证码是：" . $this->mobile_code . "，请不要把验证码泄露给其他人，如非本人操作，可不用理会";
        $send_result = send_sms($this->mobile, $message);
        $this->write_file($this->mobile, date("Y-m-d H:i:s"));

        if ($send_result === true) {
            $_SESSION['sms_mobile'] = $this->mobile;
            $_SESSION['sms_mobile_code'] = $this->mobile_code;
            exit(json_encode(array('code' => 2, 'mobile_code' => $this->mobile_code,'msg'=>'验证码已发送')));
        } else {
            exit(json_encode(array('msg' => $send_result)));
        }
    }

    //验证
    public function actionCheck() {
        if ($this->mobile != $_SESSION['sms_mobile'] or $this->mobile_code != $_SESSION['sms_mobile_code']) {
            exit(json_encode(array('msg' => '手机验证码输入错误。','code'=>1)));
        } else {
            exit(json_encode(array('code' => '2')));
        }
    }

    private function random($length = 6, $numeric = 0) {
        PHP_VERSION < '4.2.0' && mt_srand((double) microtime() * 1000000);
        if ($numeric) {
            $hash = sprintf('%0' . $length . 'd', mt_rand(0, pow(10, $length) - 1));
        } else {
            $hash = '';
            $chars = 'ABCDEFGHJKLMNPQRSTUVWXYZ23456789abcdefghjkmnpqrstuvwxyz';
            $max = strlen($chars) - 1;
            for ($i = 0; $i < $length; $i++) {
                $hash .= $chars[mt_rand(0, $max)];
            }
        }
        return $hash;
    }

    private function write_file($file_name, $content) {
        $this->mkdirs(ROOT_PATH . 'data/smslog/' . date('Ymd'));
        $filename = ROOT_PATH . 'data/smslog/' . date('Ymd') . '/' . $file_name . '.log';
        $Ts = fopen($filename, "a+");
        fputs($Ts, "\r\n" . $content);
        fclose($Ts);
    }

    private function mkdirs($dir, $mode = 0777) {
        if (is_dir($dir) || @mkdir($dir, $mode))
            return TRUE;
        if (!$this->mkdirs(dirname($dir), $mode))
            return FALSE;
        return @mkdir($dir, $mode);
    }

    private function read_file($file_name) {
        $content = '';
        $filename = ROOT_PATH . 'data/smslog/' . date('Ymd') . '/' . $file_name . '.log';
        if (function_exists('file_get_contents')) {
            @$content = file_get_contents($filename);
        } else {
            if (@$fp = fopen($filename, 'r')) {
                @$content = fread($fp, filesize($filename));
                @fclose($fp);
            }
        }
        $content = explode("\r\n", $content);
        return end($content);
    }
}