phpexcel常用处理
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##导入类库
require 'PHPExcel/Classes/PHPExcel.php';
require 'PHPExcel/Classes/PHPExcel/Writer/Excel5.php'; //非07格式的写出类
##基础属性设定
$objPHPExcel = \PHPExcel_IOFactory::load('a.xls'); //读入指定excel文件
$objPHPExcel->setActiveSheetIndex(0); //指定活动工作表
$objPHPExcel->getActiveSheet()->getDefaultStyle()->getFont()->setName('宋体');
$objPHPExcel->getProperties()->setTitle('xxx');
##单元格编辑
$objPHPExcel->getActiveSheet()->setCellValue('A3', 'xxx'); //设定A3单元格值为xxx
##单元格绘图
$objDrawing = new \PHPExcel_Worksheet_Drawing();
$objDrawing->setPath('a.jpg'); //指定图片路径。若要远程图片需PHPExcel/Classes/PHPExcel/Worksheet/Drawing.php:106处file_exists换成file_get_contents
$objDrawing->setCoordinates('A4'); //指定在A4单元格绘图
$objDrawing->setName('Photo');
$objDrawing->setDescription('Photo');
$objDrawing->setHeight(120);
$objDrawing->setWidth(100);
$objDrawing->setOffsetX(7);
$objDrawing->setOffsetY(7);
$objDrawing->setWorksheet($objPHPExcel->getActiveSheet());
##excel文件浏览器下载导出
$filename='a.xls';
$encoded_filename = rawurlencode($filename);
$ua = $_SERVER["HTTP_USER_AGENT"];
header('Content-type: application/vnd.ms-excel');
if (preg_match("/MSIE/", $ua) || preg_match("/Trident\/7.0/", $ua) || preg_match("/Edge/", $ua)) {
header('Content-Disposition: attachment; filename="' . $encoded_filename . '"');
} else if (preg_match("/Firefox/", $ua)) {
header("Content-Disposition: attachment; filename*=\"utf8''" . $filename . '"');
} else {
header('Content-Disposition: attachment; filename="' . $filename . '"');
}
header("Pragma:no-cache");
header("Expires:0");
$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');
$objWriter->save('php://output');
##excel文件html显示(可用于调试)
$objWriter = new \PHPExcel_Writer_HTML($objPHPExcel);
$objWriter->save('php://output');
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利用mpdf库从phpexcel导出pdf文件
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$filename='a.pdf';
$encoded_filename = rawurlencode($filename);
$rendererName = \PHPExcel_Settings::PDF_RENDERER_MPDF; //指定通过mpdf类库导出pdf文件
$rendererLibraryPath = 'PHPExcel/MPDF57'; //指定你下载的mpdf类库路径
if (!\PHPExcel_Settings::setPdfRenderer(
$rendererName,
$rendererLibraryPath
)) {
die(
'Please set the $rendererName and $rendererLibraryPath values' .
PHP_EOL .
' as appropriate for your directory structure'
);
}
header('Content-type: application/pdf');
if (preg_match("/MSIE/", $ua) || preg_match("/Trident\/7.0/", $ua) || preg_match("/Edge/", $ua)) {
header('Content-Disposition: attachment; filename="' . $encoded_filename . '"');
} else if (preg_match("/Firefox/", $ua)) {
header("Content-Disposition: attachment; filename*=\"utf8''" . $file_name . '"');
} else {
header('Content-Disposition: attachment; filename="' . $file_name . '"');
}
header("Pragma:no-cache");
header("Expires:0");
$objWriter = new \PHPExcel_Writer_PDF($objPHPExcel);
$objWriter->setPreCalculateFormulas(false);
$objWriter->save('php://output');
##############################
##pdf导出失败的一些错误解决方法
##############################
##1 pdf中文乱码问题
PHPExcel/Classes/PHPExcel/Writer/PDF/mPDF.php:105处加两行设定：
$pdf->useAdobeCJK = true;
$pdf->SetAutoFont(AUTOFONT_ALL);
##2 类库里面多处preg_replace调用使用了元字符e，而部分低版本php不支持正则表达式e元字符
e元字符的不当使用并导致pdf报错的触发点在类库里面大概有五六处吧，
由于e元字符是一个shell下的子进程php调用，所以报错信息不会反馈到当前php进程中，故即便你配置了错误打印到屏幕， 页面也不会显示报错信息， 必须查看php报错日志
查看php报错日志，把提示的preg_replace中元字符e的调用替换为preg_replace_callback形式的调用
##3 部分版本phpexcel类库有单元格样式判断错误
lib/PHPExcel/Classes/PHPExcel/Writer/HTML.php:1236处加个if判断
if (!$this->_useInlineCss) {
$cssClass .= ' style' . $pSheet->getCell($endCellCoord)->getXfIndex();
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