目录
参考资料
FPDF 下载网址 http://www.fpdf.org/
FPDI 下载网址 https://www.setasign.com/products/fpdi/about/
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效果图
实现代码
/*多个PDF合一
*@param array $files 多个PDF的绝对路径
*@param string $number 文件名
* */
public function pdf_synthetic(array $files, $number): array
{
import('fpdf.fpdf', EXTEND_PATH);
import('fpdi.fpdi', EXTEND_PATH);
// define some files to concatenate
$pdf = new \Fpdi();//Ln
//增加大pdf合成和 新路径标识
// iterate through the files
foreach ($files AS $file) {
if (!file_exists($file)) {
$return_info['code'] = 'error';
$return_info['data'] = '文件不存在：' . $file;
return $return_info;
}
// get the page count
try {
$pageCount = $pdf->setSourceFile($file);
} catch (\Exception $e) {
$return_info['code'] = 'error';
$return_info['data'] = '合并失败: ' . $e->getMessage();
return $return_info;
}
// iterate through all pages
for ($pageNo = 1; $pageNo <= $pageCount; $pageNo++) {
// import a page
$templateId = $pdf->importPage($pageNo);
// get the size of the imported page
$size = $pdf->getTemplateSize($templateId);
// create a page (landscape or portrait depending on the imported page size)
if ($size['w'] > $size['h']) {
$pdf->AddPage('L', array($size['w'], $size['h']));
} else {
$pdf->AddPage('P', array($size['w'], $size['h']));
}
// use the imported page
$pdf->useTemplate($templateId);
$pdf->SetFont('Helvetica');
$pdf->SetXY(5, 5);
//$pdf->Write(8, 'A simple concatenation demo with FPDI');
}
}
// Output the new PDF
$directory=ROOT_PATH.'public';//根目录
$path = $directory. '/static/uploads/synthetic/' . date('Ym') . '/';
//检测并创建文件夹
if ($this->exists_dir($path) === false) {
$return_info['code'] = 'error';
$return_info['data'] = '目录不存在 ';
return $return_info;
}
$new_pdf_name_path = $path . $number . '.pdf';
$new_pdf_name = '/static/uploads/synthetic/' . date('Ym') . '/' . $number . '.pdf';
$pdf->Output($new_pdf_name_path, 'f');
$return_info['code'] = 'success';
$return_info['data'] = $new_pdf_name;
return $return_info;
}
/**
* Notes: 检测文件夹是否存在 不存在自动创建文件夹
* User: ZHOU WEI YUN
* Date: 2021/3/23 0023
* Time: 上午 10:51
* @param string $path 文件的绝对路径
* @return bool false 文件创建失败 其他返回为true
*/
public function exists_dir(string $path): bool
{
if (file_exists($path) === false) {
$path = str_replace("\\", '/', $path);
$path_arr = explode('/', $path);
$ping = '';
//循环逐级检测 不存在则创建
foreach ($path_arr as $k => $v) {
$ping .= $v . '/';
if (file_exists($ping) === false && !mkdir($ping, 755) && is_dir($ping)) {
return false;
}
}
}
return true;
}
public function demo(){
PRINT_R($this->pdf_synthetic([ROOT_PATH.'public/static/uploads/preview/202202/demo.pdf',ROOT_PATH.'public/static/uploads/preview/202202/demo.pdf'],'demo'));
}
