数据库链接出错（错误码：mysql15.6.40sqlite1）！<br />
		错误信息:SQLSTATE[HY000] [1040] Too many connections；<br />
		错误代码:1040；<br />
		文件:C:\wwwroot\jsjahz\inc\classPdoDb.php；<br />
		行号:36；<br />