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Homephp教程php手册PHP判断数据库中的记录是否存在的方法,php数据库

PHP判断数据库中的记录是否存在的方法,php数据库

本文实例讲述了PHP判断数据库中的记录是否存在的方法。分享给大家供大家参考。

具体实现代码如下:

复制代码 代码如下:


 
$sql="select * from checklist where game_id=$gid and task='$task' and status='$status'"; 
$result=mysql_query($sql); 
 
$row = mysql_fetch_array($result, MYSQL_ASSOC); 
 
    if (!mysql_num_rows($result)) 
        { 
            echo "record doesn't exist~~~~~!!!!!!"; 
        } 
    else 
        { 
           // echo mysql_num_rows($result)."\n"; 
            echo $row['game_id']; 
            echo $row['task']; 
        } 
?> 

希望本文所述对大家的PHP程序设计有所帮助。

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