ci框架导出数据

##ci框架导出数据

public function excel_out(){
header(“Content-type:text/html”);
header(“Content-Disposition:attachment;filename=123.xls”);
$array=$this->db->get(“city”)->result_array();
$str=”idt”.”namet”.”pidn”;
foreach($array as $val){
$str.=$val[‘id’].”t”.$val[‘name’].”t”.$val[‘pid’].”n”;
}
echo $str;
}