PHP implementiert die direkte Generierung von Excel-Dokumentcode

class Excel{
    function __construct($filename){
        header('Content-Type:application/vnd.ms-excel');
        header('Content-Disposition:attachment;filename='.iconv('utf-8', 'gb2312//IGNORE', $filename).'.xls');        /*gb2312后加“//IGNORE”以防止转码故障后停止运行。下同*/
    }    function writeln($row){
        foreach($row as $col){            echo iconv('utf-8', 'gb2312//IGNORE', $col."\t");//此处使用双引号
        }
    }    function write($rows){
        foreach($rows as $row){            $this->writeln($row);
        }
    }
}

$excel=new Excel(&#39;MyExcel&#39;);$excel->wirteln([&#39;第一列&#39;,&#39;第二列&#39;,&#39;第三列&#39;]);$arrs=array();foreach($i=0;$i<3;$i++){    foreach($j=0;$j<3;$j++){        $arrs[$i][$j]=$i.&#39;*&#39;.$j.&#39;=&#39;.$i*$j;
    }
}$excel->write($arrs);