PHP implements a general method for exporting Excel files

/**
 * Export data to excel table
 *@param $data A two-dimensional array, the structure is the same as the array found from the database
 *@param $title The title of the first row of excel, an array, if it is empty, there will be no title
 * @param $filename Downloaded file name
 *@examlpe
 $stu = M ('User');
 $arr = $stu -> select();
 exportexcel($arr,array('id','account ','Password','Nickname'),'File name!');
*/
function exportexcel($data=array(),$title=array(),$filename='report'){
    header("Content-type:application/octet-stream");
    header("Accept-Ranges:bytes");
    header("Content-type:application/vnd.ms-excel");
    header("Content-Disposition:attachment;filename=".$filename.".xls");
    header("Pragma: no-cache");
    header("Expires: 0");
    //导出xls 开始
    if (!empty($title)){
        foreach ($title as $k => $v) {
            $title[$k]=iconv("UTF-8", "GB2312",$v);
        }
        $title= implode("t", $title);
        echo "$titlen";
    }
    if (!empty($data)){
        foreach($data as $key=>$val){
            foreach ($val as $ck => $cv) {
                $data[$key][$ck]=iconv("UTF-8", "GB2312", $cv);
            }
            $data[$key]=implode("t", $data[$key]);

        }
        echo implode("n",$data);
    }
}

PHP, Excel