完美解决phpexcel导出到xls文件出现乱码的问题

//创建一个excel对象
$objPHPExcel = new PHPExcel();
// Set properties

$objPHPExcel->getProperties()->setCreator("ctos")
->setLastModifiedBy("ctos")
->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");

//set width
$objPHPExcel->getActiveSheet()->getColumnDimension('A')->setWidth(8);
$objPHPExcel->getActiveSheet()->getColumnDimension('B')->setWidth(10);
$objPHPExcel->getActiveSheet()->getColumnDimension('C')->setWidth(25);
$objPHPExcel->getActiveSheet()->getColumnDimension('D')->setWidth(12);
$objPHPExcel->getActiveSheet()->getColumnDimension('E')->setWidth(50);
$objPHPExcel->getActiveSheet()->getColumnDimension('F')->setWidth(10);
$objPHPExcel->getActiveSheet()->getColumnDimension('G')->setWidth(12);
$objPHPExcel->getActiveSheet()->getColumnDimension('H')->setWidth(12);
$objPHPExcel->getActiveSheet()->getColumnDimension('I')->setWidth(12);
$objPHPExcel->getActiveSheet()->getColumnDimension('J')->setWidth(30);

//设置行高度
$objPHPExcel->getActiveSheet()->getRowDimension('1')->setRowHeight(22);

$objPHPExcel->getActiveSheet()->getRowDimension('2')->setRowHeight(20);

//set font size bold
$objPHPExcel->getActiveSheet()->getDefaultStyle()->getFont()->setSize(10);
$objPHPExcel->getActiveSheet()->getStyle('A2:J2')->getFont()->setBold(true);

$objPHPExcel->getActiveSheet()->getStyle('A2:J2')->getAlignment()->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER);
$objPHPExcel->getActiveSheet()->getStyle('A2:J2')->getBorders()->getAllBorders()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN);

//设置水平居中
$objPHPExcel->getActiveSheet()->getStyle('A1')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_LEFT);
$objPHPExcel->getActiveSheet()->getStyle('A')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
$objPHPExcel->getActiveSheet()->getStyle('B')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
$objPHPExcel->getActiveSheet()->getStyle('D')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
$objPHPExcel->getActiveSheet()->getStyle('F')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
$objPHPExcel->getActiveSheet()->getStyle('G')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
$objPHPExcel->getActiveSheet()->getStyle('H')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
$objPHPExcel->getActiveSheet()->getStyle('I')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);

//
$objPHPExcel->getActiveSheet()->mergeCells('A1:J1');

// set table header content
$objPHPExcel->setActiveSheetIndex(0)
->setCellValue('A1','订单数据汇总 时间:' . date('Y-m-d H:i:s'))
->setCellValue('A2','订单ID')
->setCellValue('B2','下单人')
->setCellValue('C2','客户名称')
->setCellValue('D2','下单时间')
->setCellValue('E2','需求机型')
->setCellValue('F2','需求数量')
->setCellValue('G2','需求交期')
->setCellValue('H2','确认BOM料号')
->setCellValue('I2','PMC确认交期')
->setCellValue('J2','PMC交货备注');

// Miscellaneous glyphs,UTF-8

for ($i = 0; $i < count($result) - 1; $i++) {
$objPHPExcel->getActiveSheet(0)->setCellValue('A' . ($i + 3),$result[$i]['id']);
$objPHPExcel->getActiveSheet(0)->setCellValue('B' . ($i + 3),$result[$i]['realname']);
$objPHPExcel->getActiveSheet(0)->setCellValue('C' . ($i + 3),$result[$i]['customer_name']);
$objPHPExcel->getActiveSheet(0)->setCellValue('D' . ($i + 3),$OrdersData[$i]['create_time']);
$objPHPExcel->getActiveSheet(0)->setCellValue('E' . ($i + 3),$result[$i]['require_product']);
$objPHPExcel->getActiveSheet(0)->setCellValue('F' . ($i + 3),$result[$i]['require_count']);
$objPHPExcel->getActiveSheet(0)->setCellValue('G' . ($i + 3),$result[$i]['require_time']);
$objPHPExcel->getActiveSheet(0)->setCellValue('H' . ($i + 3),$result[$i]['product_bom_encoding']);
$objPHPExcel->getActiveSheet(0)->setCellValue('I' . ($i + 3),$result[$i]['delivery_time']);
$objPHPExcel->getActiveSheet(0)->setCellValue('J' . ($i + 3),$result[$i]['delivery_memo']);
$objPHPExcel->getActiveSheet()->getStyle('A' . ($i + 3) . ':J' . ($i + 3))->getAlignment()->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER);
$objPHPExcel->getActiveSheet()->getStyle('A' . ($i + 3) . ':J' . ($i + 3))->getBorders()->getAllBorders()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN);
$objPHPExcel->getActiveSheet()->getRowDimension($i + 3)->setRowHeight(16);
}

// Rename sheet
$objPHPExcel->getActiveSheet()->setTitle('订单汇总表');

// Set active sheet index to the first sheet,so Excel opens this as the first sheet
$objPHPExcel->setActiveSheetIndex(0);

// Redirect output to a client's web browser (Excel5)
<span style="color:#ff0000;">ob_end_clean();//清除缓冲区,避免乱码
header('Content-Type: application/vnd.ms-excel');
header('Content-Disposition: attachment;filename="订单汇总表(' . date('Ymd-His') . ').xls"');
header('Cache-Control: max-age=0');

$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel,'Excel5');
$objWriter->save('PHP://output');
?>