How to convert php xls to csv

php xls to csv method: first create a PHP sample file; then import "PHPExcel.php"; then list all xls files, check and submit to "$_POST"; finally use the getCsv method Just convert xls to csv.

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PHPExcle converts xls files to csv files

When importing excel into the database, the data may appear as "= a certain cell" (=A3), so first convert the .xls file to a .csv file, and then import the csv file into the database.

<?php 
    header("Content-Type:text/html;charset=utf-8");
    require_once &#39;PHPExcel/PHPExcel.php&#39;; 
    $d = dir(&#39;xls/&#39;);
        while (($file = $d->read()) !== false){
            if(substr(strrchr($file, &#39;.&#39;), 1) == &#39;xls&#39;){
                $arr[] = $file; 
            }
        }
    //把所有xls文件列出列表，勾选提交到这边$_POST
        foreach($_POST as $k => $item){
            foreach($item as $v){
                //只获取文件名
                $file = str_replace(&#39;.xls&#39;,&#39;&#39;,$arr[$v]);
                getCsv($file);
            }
        }
    function getCsv($file){
        $filename = "xls/".$file.".xls";
        $objReader = new PHPExcel_Reader_Excel5();
        //$objReader = PHPExcel_IOFactory::createReader(&#39;Excel5&#39;);
        $objPHPExcel = $objReader->load($filename);
        //$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, &#39;CSV&#39;);
        $objWriter = new PHPExcel_Writer_CSV($objPHPExcel);
        $objWriter->save(str_replace(&#39;.xls&#39;, &#39;.csv&#39;,$filename));
        $root = "xls/".$file.".csv";
        $newRoot=&#39;csv/&#39;.$file.&#39;.csv&#39;; //新目录
        copy($root,$newRoot); //拷贝到新目录
        unlink($root); //删除旧目录下的文件
    } 
?>

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