php建表不成功,但也没有报错,求解解决办法
php建表不成功,但也没有报错,求解
- PHP code
<!-- Code highlighting produced by Actipro CodeHighlighter (freeware) http://www.CodeHighlighter.com/ --> <?php //连接数据 $con=mysql_connect("localhost","root","welcome123") or die("无法连接数据库".mysql_error()); //判断是否有my_project数据库 $existDB=mysql_select_db("my_project",$con); //echo "没有my_project数据库"; if(!$existDB) { //创建数据库 $cdatabseSql="Create DATABASE my_project"; mysql_query($cdatabseSql,$con); } else { echo "有数据库"; } //判断是否有sendmail表 $row=mysql_query("show databases"); $database=array(); $finddatabase="sendmail"; while ($result=mysql_fetch_array($row,MYSQL_ASSOC)) { $database[]=$result['Database']; } unset($result,$row); if(!in_array($finddatabase,$database)) { echo "没有表"; $ctableSql="Create TABLE sendmail ( ID INT AUTO_INCREMENT PRIMARY KEY, tomail nvarchar(50), subject nvarchar(50), message text )"; mysql_query($ctableSql,$con); } else { echo "有表"; } die(); ?>
页面显示:“没有表”,但执行一次后应该创建表了,我再刷新页面还是显示“没有表”,请各位大虾们帮忙看下神马问题?
------解决方案--------------------
试试:
- PHP code
//连接数据 $con=mysql_connect("localhost","root","welcome123") or die("无法连接数据库".mysql_error()); //判断是否有my_project数据库 $existDB=mysql_select_db("my_project",$con); //echo "没有my_project数据库"; if(!$existDB) { //创建数据库 $cdatabseSql="Create DATABASE my_project"; mysql_query($cdatabseSql,$con); mysql_select_db("my_project",$con); //选择数据库 } else { echo "有数据库"; } //判断是否有sendmail表 $row=mysql_query("show tables"); $database=array(); $finddatabase="sendmail"; while ($result=mysql_fetch_array($row,MYSQL_ASSOC)) { $database[]=$result['Tables_in_test']; } unset($result,$row); if(!in_array($finddatabase,$database)) { echo "没有表"; $ctableSql="Create TABLE sendmail ( ID INT AUTO_INCREMENT PRIMARY KEY, tomail nvarchar(50), subject nvarchar(50), message text )"; mysql_query($ctableSql,$con); } else { echo "有表"; } die(); <br><font color="#e78608">------解决方案--------------------</font><br>大概这样试试,<br><br>
- PHP code
if(!$existDB) { //创建数据库 $cdatabseSql="Create DATABASE my_project"; mysql_query($cdatabseSql,$con); mysql_select_db("my_project",$con);//加一句,选择库 } …… …… //判断是否有sendmail表 $row = mysql_list_tables("my_project"); $database=array(); $finddatabase="sendmail"; while ($result=mysql_fetch_array($row)) { $database[]=$result[0]; } unset($result,$row); <div class="clear"> </div>

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