exception 'QDB_Exception' with message 'Unknown database 'mddce'' in D:\wwwroot\mddce\_code\lib\qeephp\library\db\adapter\mysql.php:237<br />
<br />
#0 D:\wwwroot\mddce\_code\lib\qeephp\library\db\adapter\mysql.php(78): QDB_Adapter_Mysql-&gt;execute('USE `mddce`')<br />
#1 D:\wwwroot\mddce\_code\lib\qeephp\library\db\table.php(436): QDB_Adapter_Mysql-&gt;connect()<br />
#2 D:\wwwroot\mddce\_code\lib\qeephp\library\db\table.php(472): QDB_Table-&gt;setConn(Object(QDB_Adapter_Mysql))<br />
#3 D:\wwwroot\mddce\_code\lib\qeephp\library\db\table.php(455): QDB_Table-&gt;_setupConn()<br />
#4 D:\wwwroot\mddce\_code\lib\qeephp\library\db\table.php(367): QDB_Table-&gt;init()<br />
#5 D:\wwwroot\mddce\_code\lib\qeephp\library\orm\activerecord\meta.php(1318): QDB_Table-&gt;columns()<br />
#6 D:\wwwroot\mddce\_code\lib\qeephp\library\orm\activerecord\meta.php(242): QDB_ActiveRecord_Meta-&gt;_init1('Newscategory')<br />
#7 D:\wwwroot\mddce\_code\lib\qeephp\library\orm\activerecord\meta.php(256): QDB_ActiveRecord_Meta-&gt;__construct('Newscategory')<br />
#8 D:\wwwroot\mddce\_code\app\model\newscategory.php(179): QDB_ActiveRecord_Meta::instance('Newscategory')<br />
#9 D:\wwwroot\mddce\_code\app\controller\news_controller.php(13): Newscategory::find('parent_id=1 and...')<br />
#10 D:\wwwroot\mddce\_code\app\controller\abstract.php(64): Controller_News-&gt;actionIndex()<br />
#11 D:\wwwroot\mddce\_code\app\myapp.php(233): Controller_Abstract-&gt;execute(Array, Array)<br />
#12 D:\wwwroot\mddce\index.php(14): MyApp-&gt;dispatching('index', Array)<br />
#13 {main}<pre>
如果要改变对异常的处理，请修改文件 &quot;D:\wwwroot\mddce\_code\app\myapp.php&quot; 的 exception_handler() 方法
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