MySQL LOAD DATA

<?php
/**
 * @Author: Awe
 * @Date:   2016-10-26 17:26:54
 * @Last Modified by:   Awe
 * @Last Modified time: 2017-05-30 12:57:18
 */
class EmailBusiness extends AbstractModel{
    public function sendEmail(){
        $sql = "SELECT email,body,`subject`,name  FROM  hr_send_email_all_task  WHERE is_lock=0 AND (send_status=0 OR  send_status=2);";
        $rows = $this->db(0)->find($sql);
        foreach ($rows as $val) {
            $accepter = $val['email'];
            $tite = $val['subject'];
            $bodys = $val['body'];
            $result = Common::Postmail($accepter ,$tite , $bodys);
            $this->setsendemailalltask($result);
        }
        echo "success";
    }
    //更新邮件发送状态
    private function setsendemailalltask($result) {
        $now = date('Y-m-d H:i:s');
        if ($result) {
            $sql = "UPDATE  hr_send_email_all_task  SET is_lock=1,lock_date='{$now}',send_status=1,send_date='{$now} '";
        } else {
            $sql = "UPDATE  hr_send_email_all_task  SET is_lock=1,lock_date='{$now}',send_status=2 ";
        }
        $this->db(0)->Exec($sql);
    }
    public function addMailQueue(){
        $file = APP_PATH . "/log/tmp/mailQueue.lock.txt" ;
        $fp = fopen($file,'a+');
        if (flock($fp, LOCK_EX)) {
            $logFile = Log_file::getInstance(array('filename' => "addMailQueueLog" ));
            $lock_message = "file is locked time is :".date("Y-m-d H:i:s", time())."  " .PHP_EOL;
            fwrite($fp, $lock_message);
            $result =  $this->doAddMailQueue();
            $logFile->Write("info" , $result );
            echo $result ;
            flock($fp,LOCK_UN);  
        }else{
            echo "其他的进程正在处理。。。";
        }
        fclose($fp);
    }
    public function doAddMailQueue(){
        $sql = "select * from mail_queue where status = 0 and ischeck = '1'  order by create_date desc limit 1 " ;
        $info = $this->db(4)->findOne($sql);
        if(empty($info)){
            return "no data";
        }
        $file = $info['file'];
        $body =  $info['content'];
        $subject = $info['title'];
        $emailType = "queue_{$info['id']}";
        $pre_count = 1000;
        if(!file_exists($file)){
            return "file $file is not exists";
        }
        $csvreader = new CsvReader( $file);
        $line_number = $csvreader->get_lines();
        $date = date("Y-m-d H:i:s");
        $sqlFile = str_replace("\", "/", APP_PATH)  . "/tmp/"."sql_" . date("Y_m_d_H_i_s",time()) . ".txt"; 
        $page = intval($line_number/$pre_count)+1;
        $successNum = 0;
        for ($i = 0;$i < $page;$i++){
            $str = '' ;
            $data = $csvreader->get_data($pre_count , $i * $pre_count);
            if(empty($data)){
                continue ;
            }
            foreach ($data as $key => $value) {
                $email = isset($value[0]) ? trim($value[0]) : '' ;
                if(!filter_var($email, FILTER_VALIDATE_EMAIL)){
                    continue ;
                }
                $bodys = $this->replaceEmailBody($email , $body , $emailType );
                $str.= $email . "$#####$$"  . $bodys . "$#####$$" . $date ."$#####$$" . $subject ."v_@rdasd32eplace@"   ;
                $successNum++;
            }
            $str = rtrim($str , "v_@rdasd32eplace@" );
            file_put_contents($sqlFile , $str , FILE_APPEND );
            //unset($psql);
            unset($data);
        }

        $sql = "LOAD DATA INFILE '{$sqlFile}' INTO TABLE email_all_task CHARACTER SET  utf8 FIELDS TERMINATED BY '$#####$$'  LINES TERMINATED BY 'v_@rdasd32eplace@' (email,body,create_date,subject)" ;
        $num = $this->db(4)->Exec($sql);
        if($num > 0 ){
            $now  =date("Y-m-d H:i:s") ;
            $this->db(4)->Exec("update mail_queue set status = 1 ,success_num = '{$successNum}' ,  operate_date = '{$now}'  where id = '{$info['id']}'  ");
            //删除csv文件
            @unlink($file);
            return "success---编号id为:{$info['id']}---标题是：{$subject}";
        }else{
            return "fail";
        }

    }
    function replaceEmailBody($email , $content , $emailType = ''  ){
        $url = "http://testwww.shixiba.com/analyze.php?email={$email}&emailType={$emailType}";
        $content .=  '<img src="'.$url.'" style="display:none;">' ;
        return $content ;
    }
    
}