PHP导出Excel实例讲解

<?phperror_reporting(E_ALL);date_default_timezone_set('Asia/Shanghai');require_once './Classes/PHPExcel.php';$data=array(  0=>array(    'id'=>1001,    'username'=>'张飞',    'password'=>'123456',    'address'=>'三国时高老庄250巷101室'  ),  1=>array(    'id'=>1002,    'username'=>'关羽',    'password'=>'123456',    'address'=>'三国时花果山'  ),  2=>array(    'id'=>1003,    'username'=>'曹操',    'password'=>'123456',    'address'=>'延安西路2055弄3号'  ),  3=>array(    'id'=>1004,    'username'=>'刘备',    'password'=>'654321',    'address'=>'愚园路188号3309室'  ));$objPHPExcel=new PHPExcel();$objPHPExcel->getProperties()->setCreator('http://www.vevb.com')               ->setLastModifiedBy('http://www.vevb.com')               ->setTitle('Office 2007 XLSX Document')               ->setSubject('Office 2007 XLSX Document')               ->setDescription('Document for Office 2007 XLSX, generated using PHP classes.')               ->setKeywords('office 2007 openxml php')               ->setCategory('Result file');$objPHPExcel->setActiveSheetIndex(0)      ->setCellValue('A1','ID')      ->setCellValue('B1','用户名')      ->setCellValue('C1','密码')      ->setCellValue('D1','地址');$i=2;     foreach($data as $k=>$v){  $objPHPExcel->setActiveSheetIndex(0)      ->setCellValue('A'.$i,$v['id'])      ->setCellValue('B'.$i,$v['username'])      ->setCellValue('C'.$i,$v['password'])      ->setCellValue('D'.$i,$v['address']);  $i++;}$objPHPExcel->getActiveSheet()->setTitle('三年级2班');$objPHPExcel->setActiveSheetIndex(0);$filename=urlencode('学生信息统计表').'_'.date('Y-m-dHis'); //生成xlsx文件/*header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');header('Content-Disposition: attachment;filename="'.$filename.'.xlsx"');header('Cache-Control: max-age=0');$objWriter=PHPExcel_IOFactory::createWriter($objPHPExcel,'Excel2007');*///生成xls文件header('Content-Type: application/vnd.ms-excel');header('Content-Disposition: attachment;filename="'.$filename.'.xls"');header('Cache-Control: max-age=0');$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');$objWriter->save('php://output');exit;

$str=mb_convert_encoding("gb2312","UTF-8",$str);