phpExcel数据内存溢出处理办法
发布时间：2022-02-10 08:27:49 所属栏目：PHP教程 来源：互联网
导读：云平台需要进行excel数据批量导入,使用的是phpExcel工具,小曲同学的代码都写好后,小数据量下测试都没有问题,可是一到正式环境下,数据超过千条,一行十列为一条数据,就报内存超出. 先看实例,代码如下: ?php require_once PHPExcel.php; require_once PHPExcel/
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云平台需要进行excel数据批量导入,使用的是phpExcel工具,小曲同学的代码都写好后,小数据量下测试都没有问题,可是一到正式环境下,数据超过千条,一行十列为一条数据,就报内存超出. 先看实例,代码如下: <?php require_once 'PHPExcel.php'; require_once 'PHPExcel/Writer/Excel5.php'; require_once("..includemysqlconn.php"); $sdate=$_POST["sdate"];//接受传递过来的生成时间段 $edate=$_POST["edate"]; //$sdate='2009-01-01'; //$edate='2009-04-01'; $cancel_time=date("YmdHis"); $data=new MysqlConn(); $data->connect(); $sql="select * from employee_addminus where (oper_time between '$sdate' and '$edate') and isCanceled=0"; // 创建一个处理对象实例 $objExcel = new PHPExcel(); // 创建文件格式写入对象实例, uncomment $objWriter = new PHPExcel_Writer_Excel5($objExcel); //设置文档基本属性 $objProps = $objExcel->getProperties(); $objProps->setCreator("章贡区医疗保险局"); $objProps->setLastModifiedBy("章贡区医疗保险局"); $objProps->setTitle("章贡区医疗保险局职工月增减变动报表"); $objProps->setSubject("章贡区医疗保险局职工月增减变动报表"); $objProps->setDescription("章贡区医疗保险局职工月增减变动报表"); $objProps->setKeywords("章贡区医疗保险局职工月增减变动报表"); $objProps->setCategory("变动报表"); //************************************* //设置当前的sheet索引，用于后续的内容操作。 //一般只有在使用多个sheet的时候才需要显示调用。 //缺省情况下，PHPExcel会自动创建第一个sheet被设置SheetIndex=0 $objExcel->setActiveSheetIndex(0); $objActSheet = $objExcel->getActiveSheet(); //设置当前活动sheet的名称 $objActSheet->setTitle('月增减变动报表'); //************************************* // //设置宽度，这个值和EXCEL里的不同，不知道是什么单位，略小于EXCEL中的宽度 $objActSheet->getColumnDimension('A')->setWidth(20); $objActSheet->getColumnDimension('B')->setWidth(10); $objActSheet->getColumnDimension('C')->setWidth(6); $objActSheet->getColumnDimension('D')->setWidth(20); $objActSheet->getColumnDimension('E')->setWidth(12); $objActSheet->getColumnDimension('F')->setWidth(10); $objActSheet->getColumnDimension('G')->setWidth(20); $objActSheet->getColumnDimension('H')->setWidth(18); $objActSheet->getColumnDimension('I')->setWidth(12); $objActSheet->getColumnDimension('J')->setWidth(8); $objActSheet->getColumnDimension('K')->setWidth(8); $objActSheet->getColumnDimension('L')->setWidth(12); $objActSheet->getColumnDimension('M')->setWidth(10); $objActSheet->getColumnDimension('N')->setWidth(10); $objActSheet->getRowDimension(1)->setRowHeight(30); $objActSheet->getRowDimension(2)->setRowHeight(27); $objActSheet->getRowDimension(3)->setRowHeight(16); //设置单元格的值 $objActSheet->setCellValue('A1', '章贡区医疗保险局职工月增减变动报表'); //合并单元格 $objActSheet->mergeCells('A1:N1'); //设置样式 $objStyleA1 = $objActSheet->getStyle('A1'); $objStyleA1->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER); $objFontA1 = $objStyleA1->getFont(); $objFontA1->setName('宋体'); $objFontA1->setSize(18); $objFontA1->setBold(true); //设置居中对齐 $objActSheet->getStyle('A2')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER); $objActSheet->getStyle('B2')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER); $objActSheet->getStyle('C2')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER); $objActSheet->getStyle('D2')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER); $objActSheet->getStyle('E2')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER); $objActSheet->getStyle('F2')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER); $objActSheet->getStyle('G2')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER); $objActSheet->getStyle('H2')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER); $objActSheet->getStyle('I2')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER); $objActSheet->getStyle('J2')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER); $objActSheet->getStyle('K2')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER); $objActSheet->getStyle('L2')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER); $objActSheet->getStyle('M2')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER); $objActSheet->getStyle('N2')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER); $objActSheet->setCellValue('A2', '现所在单位'); $objActSheet->setCellValue('B2', '姓名'); $objActSheet->setCellValue('C2', '性别'); $objActSheet->setCellValue('D2', '身份证号码'); $objActSheet->setCellValue('E2', '参保时间'); $objActSheet->setCellValue('F2', '增减原因'); $objActSheet->setCellValue('G2', '原所在单位'); $objActSheet->setCellValue('H2', '增减时间'); $objActSheet->setCellValue('I2', '退休时间'); $objActSheet->setCellValue('J2', '原工资'); $objActSheet->setCellValue('K2', '现工资'); $objActSheet->setCellValue('L2', '定点医院'); $objActSheet->setCellValue('M2', '操作人'); $objActSheet->setCellValue('N2', '备注'); //设置边框 $objActSheet->getStyle('A2')->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('A2')->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('A2')->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('A2')->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('B2')->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('B2')->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('B2')->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('B2')->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('C2')->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('C2')->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('C2')->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('C2')->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('D2')->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('D2')->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('D2')->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('D2')->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('E2')->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('E2')->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('E2')->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('E2')->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('F2')->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('F2')->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('F2')->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('F2')->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('G2')->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('G2')->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('G2')->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('G2')->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('H2')->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('H2')->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('H2')->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('H2')->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('I2')->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('I2')->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('I2')->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('I2')->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('J2')->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('J2')->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('J2')->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('J2')->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('K2')->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('K2')->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('K2')->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('K2')->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('L2')->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('L2')->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('L2')->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('L2')->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('M2')->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('M2')->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('M2')->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('M2')->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('N2')->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('N2')->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('N2')->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('N2')->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $query=$data->query($sql); $i=1; //从数据库取值循环输出 while($result=mysql_fetch_row($query)){ $personName=$result[1]; $idcard=$result[2]; $old_company=$result[3]; $new_company=$result[4]; $sex=$result[5]; $start_time=$result[6]; $reason=$result[7]; $retire_time=$result[8]; $old_wages=$result[9]; $new_wages=$result[10]; $hospital=$result[11]; $remarks=$result[12]; $operator=$result[13]; $oper_time=$result[14]; $n=$i+2; $objActSheet->getStyle('B'.$n)->getNumberFormat()->setFormatCode('@'); $objActSheet->getStyle('E'.$n)->getNumberFormat()->setFormatCode('@'); $objActSheet->getRowDimension($n)->setRowHeight(16); $objActSheet->getStyle('A'.$n)->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('A'.$n)->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('A'.$n)->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('A'.$n)->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('B'.$n)->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('B'.$n)->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('B'.$n)->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('B'.$n)->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('C'.$n)->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('C'.$n)->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('C'.$n)->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('C'.$n)->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('D'.$n)->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('D'.$n)->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('D'.$n)->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('D'.$n)->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('E'.$n)->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('E'.$n)->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('E'.$n)->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('E'.$n)->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('F'.$n)->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('F'.$n)->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('F'.$n)->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('F'.$n)->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('G'.$n)->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('G'.$n)->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('G'.$n)->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('G'.$n)->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('H'.$n)->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('H'.$n)->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('H'.$n)->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('H'.$n)->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('I'.$n)->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('I'.$n)->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('I'.$n)->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('I'.$n)->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('J'.$n)->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('J'.$n)->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('J'.$n)->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('J'.$n)->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('K'.$n)->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('K'.$n)->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('K'.$n)->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('K'.$n)->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('L'.$n)->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('L'.$n)->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('L'.$n)->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('L'.$n)->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('M'.$n)->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('M'.$n)->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('M'.$n)->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('M'.$n)->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('N'.$n)->getBorders()->getTop()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('N'.$n)->getBorders()->getLeft()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('N'.$n)->getBorders()->getRight()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $objActSheet->getStyle('N'.$n)->getBorders()->getBottom()->setBorderStyle(PHPExcel_Style_Border::BORDER_THIN ); $xb="男"; if($sex==1){ $xb="女"; } $objActSheet->setCellValue('A'.$n, $new_company); $objActSheet->setCellValue('B'.$n, $personName); $objActSheet->setCellValue('C'.$n, $xb); $objActSheet->setCellValue('D'.$n, ' '.$idcard.' '); $objActSheet->setCellValue('E'.$n, $start_time); $objActSheet->setCellValue('F'.$n, $reason); $objActSheet->setCellValue('G'.$n, $old_company); $objActSheet->setCellValue('H'.$n, $oper_time); $objActSheet->setCellValue('I'.$n, $retire_time); $objActSheet->setCellValue('J'.$n, $old_wages); $objActSheet->setCellValue('K'.$n, $new_wages); $objActSheet->setCellValue('L'.$n, $hospital); $objActSheet->setCellValue('M'.$n, $operator); $objActSheet->setCellValue('N'.$n, $remarks); $i++; } //************************************* //输出内容 // $outputFileName = "tables/".$cancel_time."addminus.xls"; //到文件 $objWriter->save($outputFileName); //下面这个输出我是有个页面用Ajax接收返回的信息 echo("<a href="tables/".$cancel_time."addminus.xls" mce_href="tables/".$cancel_time."addminus.xls" target='_blank'>点击下载电子表</a>"); ?> 小数据量没问题,但是大数据量时出现数据导入内存溢出经过查询之后,找到了解决办法. 版本：1.7.6,在不进行特殊设置的情况下,phpExcel将读取的单元格信息保存在内存中,我们可以通过如下代码: PHPExcel_Settings::setCacheStorageMethod(); 来设置不同的缓存方式,已达到降低内存消耗的目的. 1、将单元格数据序列化后保存在内存中,代码如下: PHPExcel_CachedObjectStorageFactory::cache_in_memory_serialized; 2、将单元格序列化后再进行Gzip压缩,然后保存在内存中,代码如下: PHPExcel_CachedObjectStorageFactory::cache_in_memory_gzip; 3、缓存在临时的磁盘文件中,速度可能会慢一些,代码如下: PHPExcel_CachedObjectStorageFactory::cache_to_discISAM; 4、保存在php://temp,代码如下: PHPExcel_CachedObjectStorageFactory::cache_to_phpTemp; 5、保存在memcache中,代码如下: PHPExcel_CachedObjectStorageFactory::cache_to_memcache 举例,第4种方式,代码如下: $cacheMethod = PHPExcel_CachedObjectStorageFactory:: cache_to_phpTemp; $cacheSettings = array( ' memoryCacheSize ' => '8MB' ); PHPExcel_Settings::setCacheStorageMethod($cacheMethod, $cacheSettings); 第5种,代码如下: $cacheMethod = PHPExcel_CachedObjectStorageFactory::cache_to_memcache; $cacheSettings = array( 'memcacheServer' => 'localhost', 'memcachePort' => 11211, 'cacheTime' => 600 ); PHPExcel_Settings::setCacheStorageMethod($cacheMethod, $cacheSettings); （编辑：晋中站长网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
