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Warning: mysql_get_server_info(): No such file or directory in /home/wwwroot/lnygzk/wwwroot/common/lib/classes/db/DataSource.class.php on line 92

Warning: mysql_get_server_info(): A link to the server could not be established in /home/wwwroot/lnygzk/wwwroot/common/lib/classes/db/DataSource.class.php on line 92
<table width="100%" border="1" cellspacing="0" cellpadding="3">
	<tr><td>基本信息</td>	<td>连接数据库服务器<font color="#FF0000">localhost</font></b>失败或数据库“<b><font color="#FF0000">lnygzk</font></b>”不存在！</td></tr>
	<tr><td>出现异常 0</td>	<td></td></tr>
	<tr><td>文件名</td>	<td>/home/wwwroot/lnygzk/wwwroot/common/lib/classes/db/DataSource.class.php</td></tr>
	<tr><td>行号</td>	<td>112</td></tr>
	<tr><td>相关信息</td>	<td>#0 /home/wwwroot/lnygzk/wwwroot/common/lib/classes/db/DataSource.class.php(63): DataSource->open()
#1 /home/wwwroot/lnygzk/wwwroot/common.inc.php(35): DataSource->__construct('localhost', 'lnygzk', 'zwhfaim1', 'lnygzk', 'mysql', true)
#2 /home/wwwroot/lnygzk/wwwroot/path.inc.php(2): require('/home/wwwroot/l...')
#3 /home/wwwroot/lnygzk/wwwroot/news.php(2): require('/home/wwwroot/l...')
#4 {main}</td></tr>
	</table>