38 lines
1.4 KiB
PHP
38 lines
1.4 KiB
PHP
<?php
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namespace app\common\utils\pdf\service;
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final class PdfStorage
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{
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/**
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* @param string $pdfBin PDF 二进制
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* @param string|null $dir 保存目录，默认 runtime/pdf
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* @param string|null $name 文件名（不含目录），默认：stock-order-YYYYmmdd-His-uniqid.pdf
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* @return string 绝对路径
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*/
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public static function saveBinary(string $pdfBin, ?string $dir = null, ?string $name = null): string
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{
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$dir = $dir ?: runtime_path('pdf');
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if (!is_dir($dir)) {
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if (!@mkdir($dir, 0775, true) && !is_dir($dir)) {
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throw new \RuntimeException("Failed to create dir: {$dir}");
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}
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}
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// 生成安全文件名
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$name = $name ?: ('stock-order-' . date('Ymd-His') . '-' . substr(uniqid('', true), -6) . '.pdf');
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$name = preg_replace('/[^a-zA-Z0-9_\-.]/', '_', $name); // 简易净化
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$path = rtrim($dir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . $name;
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// 先写入临时文件，再原子重命名，避免并发/写入中被读取
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$tmp = $path . '.part';
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if (file_put_contents($tmp, $pdfBin, LOCK_EX) === false) {
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throw new \RuntimeException("Failed to write temp file: {$tmp}");
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}
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if (!@rename($tmp, $path)) {
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@unlink($tmp);
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throw new \RuntimeException("Failed to move temp to: {$path}");
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}
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@chmod($path, 0664);
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return $path;
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}
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} |