function insert_file($fwqm, $kjsj, $yxts, $jingyan, $version, $xianlu, $kefu, $zhuye) { $this->db->query("SET NAMES utf8"); if($fwqm != null){ $data = array( 'fwqm' => $this->security->xss_clean($fwqm), 'kjsj' => $this->security->xss_clean($kjsj), 'yxts' => $this->security->xss_clean($yxts), 'version' => $this->security->xss_clean($version), 'jingyan' => $this->security->xss_clean($jingyan), 'xianlu' => $this->security->xss_clean($xianlu), 'kefu' => $this->security->xss_clean($kefu), 'zhuye' => $this->security->xss_clean($zhuye), ); $this->db->insert('fbz',$data); } }

直接写中文是可以的，把变量赋值为中文也是可以插入的，通过表单也能插入，但就是这样通过参数传递进来，中文就插入不进mysql,显示空白.

知道了。编码问题
$kjsj = mb_convert_encoding($kjsj,'utf8', 'gbk');