Sample code analysis of php implementation of voting system

    
    



query($sql);$data_c= $result->fetch_all();?>
";
    }?>

    
{$i[1]}

    
    



query($sql);$data=$result->fetch_all();?>

";
    }
    }else{        foreach ($data as $i){            echo "";
        }
    }    ?>

    


        
名字

        
投票
    
    
              
{$i[1]}

              

              

              
{$i[1]}
              

              
    

    
    



StrQuery($sql);if($data!='0'){    echo "每个人一天只能投一次";$r=$_POST['r'];        if (is_array($r)){            $s=implode(',',$r);            $sq="select * from toupiao where id in ({$s})";
        }else{            $sq="select * from toupiao where id = {$r}";
        }        $qurle=$db->Query($sq);        foreach ($qurle as $i){            echo "";
        }



}else{    $sql = "INSERT INTO table2 VALUES (null,'{$ip}',DEFAULT)";    $squel=$db->strQuery($sql,0);    if($squel){//    $upsql=update table_name set votes = votes + 1 where ...
//然后把数据insert into 到table2中$r=$_POST['r'];if (is_array($r)){    $s=implode(',',$r);    $sql="update toupiao set count=(count+1) where id in ({$s})";
}else{$sql="update toupiao set count=(count+1) where id = {$r}";
}$data=$db->query($sql,0);if ($data){//echo "success";
    if (is_array($r)){        $s=implode(',',$r);        $sq="select * from toupiao where id in ({$s})";
    }else{        $sq="select * from toupiao where id = {$r}";
}    $qurle=$db->Query($sq);    foreach ($qurle as $i){        echo "";
    }
}
    }
}?>

    

        
名字
        
票数
    
{$i[1]}
{$i[2]}
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{$i[2]}