excel导入导出

// 导入excel
function import_excel($file){
// 判断文件是什么格式
$type = pathinfo($file);
$type = strtolower($type["extension"]);
$type=$type==='csv' ? $type : 'Excel5';
ini_set('max_execution_time', '0');
Vendor('PHPExcel.PHPExcel');
// 判断使用哪种格式
$objReader = PHPExcel_IOFactory::createReader($type);
$objPHPExcel = $objReader->load($file);
$sheet = $objPHPExcel->getSheet(0);
// 取得总行数
$highestRow = $sheet->getHighestRow();
// 取得总列数
$highestColumn = $sheet->getHighestColumn();
//循环读取excel文件,读取一条,插入一条
$data=array();
//从第一行开始读取数据
for($j=1;$j<=$highestRow;$j++){
//从A列读取数据
for($k='A';$k<=$highestColumn;$k++){
// 读取单元格
$data[$j][]=$objPHPExcel->getActiveSheet()->getCell("$k$j")->getValue();
}
}
return $data;
}
// 导出excel
function export_excel($data,$filename='simple.xls'){
ini_set('max_execution_time', '0');
Vendor('PHPExcel.PHPExcel');
$filename=str_replace('.xls', '', $filename).'.xls';
$phpexcel = new PHPExcel();
$phpexcel->getProperties()
->setCreator("Maarten Balliauw")
->setLastModifiedBy("Maarten Balliauw")
->setTitle("Office 2007 XLSX Test Document")
->setSubject("Office 2007 XLSX Test Document")
->setDescription("Test document for Office 2007 XLSX, generated using PHP classes.")
->setKeywords("office 2007 openxml php")
->setCategory("Test result file");
$phpexcel->getActiveSheet()->fromArray($data);
$phpexcel->getActiveSheet()->setTitle('Sheet1');
$phpexcel->setActiveSheetIndex(0);
header('Content-Type: application/vnd.ms-excel');
header("Content-Disposition: attachment;filename=$filename");
header('Cache-Control: max-age=0');
header('Cache-Control: max-age=1');
header ('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past
header ('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT'); // always modified
header ('Cache-Control: cache, must-revalidate'); // HTTP/1.1
header ('Pragma: public'); // HTTP/1.0
$objwriter = PHPExcel_IOFactory::createWriter($phpexcel, 'Excel5');
$objwriter->save('php://output');
exit;
}
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