格式excel使用php

在这里，我试图使用PHP-Spreadsheet / Excel / Writer.php来格式化Excel，一旦它被下载，我看到在Excel中坠毁的数据。下面是图像的屏幕截图。我已经search并尝试了几个解决scheme。 任何人都可以帮助我找出解决scheme

<?PHP session_start(); include_once('database/Insert.php'); include_once('database/Select.php'); header("Content-Type: application/vnd.ms-excel"); header('Cache-Control: max-age=0'); $filter= $_SESSION['filter']; function vendor($crdid){ $contract_renewal_data = array(); $getVendor= new Select; //echo $crdid; $crdidarray=explode(",",$crdid); $string=""; for($d=0;$d<count($crdidarray);$d++){ $contract_renewal_data = $getVendor->selectWhere('contract_renewal_data','crdid',$crdidarray[$d]); if($contract_renewal_data != null){ if(count($crdidarray)>$d+1){ $string .= "".str_replace(",",".",$contract_renewal_data[0]['vendor'])." ; "; }else{ $string .= "".str_replace(",",".",$contract_renewal_data[0]['vendor']).""; } //echo $string; } } return $string; } require_once 'Spreadsheet/Excel/Writer.php'; try{ $workbook = new Spreadsheet_Excel_Writer(); $workbook->setVersion(8); $format_bold =& $workbook->addFormat(); $format_bold->setBold(); $format_title =& $workbook->addFormat(); $format_title->setBold(); $format_title->setColor('white'); $format_title->setBgColor('#9CF'); $worksheet =& $workbook->addWorksheet(); $worksheet->setInputEncoding('UTF-16LE'); // While we are at it, why not throw some more numbers around $worksheet->write(0, 0, "S No", $format_title); $worksheet->write(0, 1, "Account Name", $format_title); $worksheet->write(0, 2, "Account Industry", $format_title); $worksheet->write(0, 3, "Capgemini Sector", $format_title); $worksheet->write(0, 4, "Incumbent SBU", $format_title); $worksheet->write(0, 5, "Name of Incumbent Vendors", $format_title); $worksheet->write(0, 6, "Account Attractiveness Score", $format_title); $worksheet->write(0, 7, "Cagpemini Positioning Score", $format_title); for($i=0;$i<count($filter);$i++){ $worksheet->write($i+1, 0, ($i+1)); $worksheet->write($i+1, 1, $filter[$i]['account_name']); $worksheet->write($i+1, 2,$filter[$i]['account_industry']); $worksheet->write($i+1, 3,$filter[$i]['cg_sector']); $worksheet->write($i+1, 4,$filter[$i]['Incumbent_SBU']); $worksheet->write($i+1, 5,vendor($filter[$i]['crdid'])); $worksheet->write($i+1, 6,$filter[$i]['CI_in_senario1']); $worksheet->write($i+1, 7,$filter[$i]['CG_in_senario1']); } $workbook->send('Executive Dashboard.xls'); $workbook->close(); exit(); }catch(Exception $e) { // $this->isConnected = false; echo "error is ".$e->getMessage(); throw new Exception($e->getMessage()); } ?>