解决Warning: Cannot modify header information - headers already sent by....
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【详细错误】：Warning: Cannot modify header information - headers already sent by (output started at ……\\ICNet\\smarty\\Smarty.class.php:358) in ……\\ICNet\\class\\public.function.php on line 35
【排查经过】：根据提示进入public.function.php发现是setcookie()创建本地Cookie时出现的警告.
【解决办法】：
1. 打开php.ini中的output_buffering：output_buffering = 4096
2. 如果setcookie之前存在在header()语句,那么在header()之前打开缓冲器：ob_start();
【注意】：setcookie函数必須在任何資料輸出至浏览器前先调用~
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