php实现点卡卡号密码生成

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    <?php  
    /* 
    1.产生随机数 
    2.插入表 
    3.查询 
    4.返回yes 
    */  
    function mak() //生成卡号密码算法 可替换;  
    {  
        $str=md5(microtime());  
        $pass=substr($str,-12);  
        return $pass;  
    }  
    ///////////////生成卡号密码并存入数据库$times=你想添加的卡号密码条数////////////////  
    function sqlconn($times)  
    {  
        $con=mysql_connect("127.0.0.1","root","");  
        if(!$con)  
        {  
            die('Connect database................[ERROR]:'.mysql_error());  
        }  
        else echo "Connect database server................[OK]<br>";  
          
        $cmd="CREATE DATABASE num_psw";  
          
        if(mysql_query($cmd,$con))echo "Creat database................[OK]<br>";  
        else  
        {  
            echo 'Creat database................[ERROR]:'.mysql_error()."<br>";  
        }  
          
        mysql_select_db("num_psw",$con);//选择数据库  
          
        $cmd="CREATE table numpsw(auth1 varchar(25),auth2 varchar(25))";  
          
        if(mysql_query($cmd,$con))echo "Creat table................[OK]<br>";  
        else  
        {     
            echo 'Creat table................[ERROR]:'.mysql_error()."<br>";  
        }  
        for($i=0;$i<$times;$i++)  
        {  
            $tmp1=mak();  
            $tmp2=mak();  
            $cmd="insert into numpsw values('{$tmp1}', '{$tmp2}')";  
            if(mysql_query($cmd,$con))echo "Creat num................[OK]<br>num is:$tmp1<br>psw is:$tmp2<br>";  
            else die('Creat num................[ERROR]:'.mysql_error());   
        }  
    }  
    ///////////////////验证卡号密码是否正确 参数为卡号 密码///////////////////////  
    function sqlauth($str1,$str2)  
    {  
        $con=mysql_connect("127.0.0.1","root","");  
        mysql_select_db("num_psw",$con);  
        $cmd="SELECT * FROM numpsw WHERE auth2='{$str2}'";  
        $res=mysql_query($cmd,$con);  
        $row = mysql_fetch_array($res);  
        if($row[0]==$str1)echo"Auth success!";else echo"Auth failed!";//直显式;  
        //if($row[0]==$str1)return true;else return false;//接口式;  
    }  
    ////////////////////////////////////////////////////////////////////////////  
    //用法:  
    sqlconn(5);  
    sqlauth('207a2c9dac2d','3a97d69421c6')  
    ?>