中文截取:mb_substr() mb_substr( $str, $start, $length, $encoding ) $str,需要截断的字符串 $start,截断开始处,起始处为0 $length,要截取的字数
$encoding,网页编码,如utf-8,GB2312,GBK
<?php echo mb_substr( $gg['news_content'], 0, 30, utf-8 )