Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at D:\miying\user\index.php:1) in D:\miying\inc\conn.php on line 2
Warning: Cannot modify header information - headers already sent by (output started at D:\miying\user\index.php:1) in D:\miying\inc\conn.php on line 3

C:\WINDOWS\php.in

在setcookie 函数之前 不能有页面输出包括空白，换行，ECHO或是其他字符输出！php.ini 里  修改output_buffering = on

修改php.ini中的session.auto_start = 0 为 session.auto_start = 1
C:\WINDOWS\php.in

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Warning: Cannot modify header information - headers already sent by (output started at D:\wwwroot\tv\user\index.php:1) in D:\wwwroot\tv\inc\conn.php on line 3
/inc/conn.php里面的这句去掉
header("Content-Type:text/html;Charset=utf-8");

要是去了这一句还是不可以，这一句保留去了这个上面的一句


session_start();