请问Spreadsheet_Excel_Reader 怎么读取excel指定的工作簿？

$data = new Spreadsheet_Excel_Reader();$data->setOutputEncoding('gbk');$data->read('abc.xls'); echo $data->sheets[0]['cells'][1][1];

require_once 'phpExcelReader/Excel/reader.php';$data =new Spreadsheet_Excel_Reader();$data->setOutputEncoding('gbk');$data->read('物业.xls'); $sheet_name='排水';for($sheet=0;$sheet<count($data->sheets);$sheet++){ 	if($data->boundsheets[$sheet]['name']==$sheet_name){		break;	}}echo $data->sheets[$sheet]['cells'][1][1];