PHP导入Excel文件的方法

<?php
require_once 'Excel/reader.php';
$data = new Spreadsheet_Excel_Reader();
$data->setOutputEncoding('gbk');
$data->read('test.xls');
for ($i = 1; $i <= $data->sheets[0]['numRows']; $i++) {
    for ($j = 1; $j <= $data->sheets[0]['numCols']; $j++) {
        echo "\"".$data->sheets[0]['cells'][$i][$j]."\",";
    }
    echo "\n";
}
?>