php+mysql数据查询语句问题,两张表user,msg【高分求解】

php$sql_str="select toid,fromId,info,max(addDate) as A_date from msg where toid=1 group fromid order by fromId "$con = mysql_connect("localhost","mysql_user","mysql_pwd");if (!$con) { die('Could not connect: ' . mysql_error()); } $rs= mysql_...
php+mysql数据查询语句问题,两张表user,msg【高分求解】
<?php$sql_str="select toid,fromId,info,max(addDate) as A_date from msg where toid=1 group fromid order by fromId "$con = mysql_connect("localhost","mysql_user","mysql_pwd");if (!$con) { die('Could not connect: ' . mysql_error()); } $rs= mysql_query($sql_str,$con);while($row = mysql_fetch_assoc($rs)){ echo $row['toid']."__".$row['fromid']."__".$row['info']."__"$row['A_date']."</br>";} ?>2017-01-05
mengvlog 阅读 35 次 更新于 2025-09-10 05:02:12 我来答关注问题0
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  • php$sql_str="select toid,fromId,info,max(addDate) as A_date from msg where toid=1 group fromid order by fromId "$con = mysql_connect("localhost","mysql_user","mysql_pwd");if (!$con) { die('Could not connect: ' . mysql_error()); } $rs= mysql_...

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  • rs = mysql_query($sql);echo "";while (list($category, $count) = mysql_fetch_row($rs)){ echo "$category 号$count 个";} echo "";如果你想学好PHP的话,最好不要用这种方式学习。请参见我的学习心得:参考资料:http://blog.everalan.com/102.html ...

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