( ! ) Warning: mysqli::mysqli() [<a href='mysqli.mysqli'>mysqli.mysqli</a>]: (28000/1045): Access denied for user 'chunfeng'@'localhost' (using password: YES) in D:\wwwroot\chunfeng\x_inc\conn.php on line 13
Call Stack
#	Time	Memory	Function	Location
1	0.0016	363824	{main}( )	..\index.php:0
2	0.0051	568416	DBConn( )	..\index.php:19
3	0.0051	570728	mysqli ( )	..\conn.php:13

( ! ) Warning: mysqli::query() [<a href='mysqli.query'>mysqli.query</a>]: Couldn't fetch mysqli in D:\wwwroot\chunfeng\x_inc\conn.php on line 14
Call Stack
#	Time	Memory	Function	Location
1	0.0016	363824	{main}( )	..\index.php:0
2	0.0051	568416	DBConn( )	..\index.php:19
3	0.0180	571016	query ( )	..\conn.php:14

连接数据库失败