php+MySQL判断update语句是否执行成功的方法_php技巧
update语句是PHP+MySQL中常用的操作,判断update语句是否执行成功是其中非常重要的一个环节。本文就以实例展示了php+MySQL判断update语句是否执行成功的方法。分享给大家供大家参考之用。具体方法如下:
代码一:
$rs=MySQL_query($sql); if(mysql_affected_rows()) echo "sql执行成功"; else echo "sql执行失败";
代码二:
<?php /* 连接数据库 */ mysql_pconnect("localhost", "mysql_user", "mysql_passWord") or die ("Could not connect" . mysql_error()); mysql_select_db("mydb"); /* Update 记录 */ mysql_query("UPDATE mytable SET used=1 WHERE id < 10"); printf ("Updated records: %d\n", mysql_affected_rows()); mysql_query("COMMIT"); ?>
想观察update的执行情况mysql_affected_rows()是必需的。
相信本文所述对大家的PHP+MySQL程序设计有一定的借鉴价值。

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