OneBot: Leantime 改造版源码（BOM/Univer 表格/AI 接管/品牌替换等）
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wangruiguo
269
app/Domain/Bom/Services/Excel.php
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269
app/Domain/Bom/Services/Excel.php
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<?php
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namespace Leantime\Domain\Bom\Services;
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/**
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* 轻量 Excel/CSV 解析器，不依赖 PhpSpreadsheet。
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*
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* 支持：
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* - .xlsx（解压 sharedStrings.xml + sheet1.xml，按列字母映射单元格）
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* - .csv（fgetcsv，自动探测 BOM）
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* - .xls 老格式不支持，报错提示另存为 .xlsx 或 .csv
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*
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* 返回：首行为表头，后续行为数据行。
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*/
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class Excel
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{
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/**
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* @return array{header:array<int,string>,rows:array<int,array<int,string>>}
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*/
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public function parse(string $path): array
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{
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$ext = strtolower(pathinfo($path, PATHINFO_EXTENSION));
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return match ($ext) {
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'xlsx' => $this->parseXlsx($path),
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'csv' => $this->parseCsv($path),
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default => throw new \InvalidArgumentException('仅支持 .xlsx 或 .csv 文件'),
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};
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}
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private function parseCsv(string $path): array
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{
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$handle = fopen($path, 'r');
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if ($handle === false) {
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throw new \InvalidArgumentException('无法打开 CSV 文件');
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}
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// 去掉 UTF-8 BOM
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$first = fgets($handle);
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if ($first === false) {
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fclose($handle);
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return ['header' => [], 'rows' => []];
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}
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if (str_starts_with($first, "\xEF\xBB\xBF")) {
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$first = substr($first, 3);
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}
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$header = str_getcsv($first);
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$rows = [];
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while (($line = fgetcsv($handle)) !== false) {
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// 跳过空行
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if (count($line) === 1 && trim($line[0]) === '') {
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continue;
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}
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$rows[] = $line;
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}
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fclose($handle);
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return ['header' => $header, 'rows' => $rows];
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}
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private function parseXlsx(string $path): array
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{
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$zip = new \ZipArchive;
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if ($zip->open($path) !== true) {
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throw new \InvalidArgumentException('无法打开 .xlsx 文件');
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}
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// sharedStrings
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$shared = [];
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$ss = $zip->getFromName('xl/sharedStrings.xml');
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if ($ss !== false) {
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$xml = new \SimpleXMLElement($ss);
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foreach ($xml->si as $si) {
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$text = '';
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foreach ($si->t ?? [] as $t) {
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$text .= (string) $t;
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}
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$shared[] = $text;
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}
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}
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// 第一个工作表
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$sheet = $zip->getFromName('xl/worksheets/sheet1.xml');
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if ($sheet === false) {
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$zip->close();
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throw new \InvalidArgumentException('未找到工作表');
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}
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$xml = new \SimpleXMLElement($sheet);
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$rows = [];
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$header = [];
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foreach ($xml->sheetData->row as $rowEl) {
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$cells = [];
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foreach ($rowEl->c as $c) {
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$ref = (string) $c['r']; // 如 "A1", "B2"
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$col = $this->colIndex($ref);
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$type = (string) $c['t'];
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if ($type === 's') {
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// 共享字符串：v 是 sharedStrings 索引
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$v = (string) ($c->v ?? '');
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$cells[$col] = $shared[(int) $v] ?? '';
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} elseif ($type === 'inlineStr') {
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// 内联字符串（现代 Excel/WPS 常用）：值在 <is><t> 里，富文本可能有多个 <t>
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$text = '';
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foreach ($c->is->t ?? [] as $t) {
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$text .= (string) $t;
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}
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$cells[$col] = $text;
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} else {
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// 数字/布尔/公式结果等
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$cells[$col] = (string) ($c->v ?? '');
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}
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}
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$line = [];
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$max = empty($cells) ? 0 : max(array_keys($cells));
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for ($i = 0; $i <= $max; $i++) {
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$line[$i] = $cells[$i] ?? '';
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}
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$rows[] = $line;
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}
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$zip->close();
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if (empty($rows)) {
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return ['header' => [], 'rows' => []];
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}
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$header = array_shift($rows);
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// 规范化表头：去空白
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$header = array_map(fn ($h) => trim((string) $h), $header);
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return ['header' => $header, 'rows' => $rows];
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}
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/** "A"->0, "B"->1, "AA"->26 ... */
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private function colIndex(string $ref): int
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{
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$letters = preg_replace('/\d/', '', $ref);
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$idx = 0;
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foreach (str_split($letters) as $ch) {
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$idx = $idx * 26 + (ord($ch) - ord('A') + 1);
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}
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return $idx - 1;
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}
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// ---- 导出（生成真正的 .xlsx，不依赖 PhpSpreadsheet） ----
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/**
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* 生成 .xlsx 文件，返回临时文件路径。
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*
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* @param array<int,string> $header 表头
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* @param array<int,array<int,string>> $rows 数据行
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*/
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public function exportXlsx(string $sheetName, array $header, array $rows): string
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{
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$sheetName = mb_substr(preg_replace('/[\\/?*\[\]:]/', ' ', $sheetName) ?: 'Sheet1', 0, 31) ?: 'Sheet1';
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$rowsXml = '';
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$rowNum = 1;
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$rowsXml .= $this->buildRow($rowNum++, $header);
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foreach ($rows as $row) {
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$cells = [];
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foreach ($row as $i => $v) {
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$cells[$i] = is_string($v) ? $v : (string) $v;
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}
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$rowsXml .= $this->buildRow($rowNum++, $cells);
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}
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$zip = new \ZipArchive;
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$tmp = tempnam(sys_get_temp_dir(), 'bomexp');
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@unlink($tmp);
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$path = $tmp.'.xlsx';
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if ($zip->open($path, \ZipArchive::CREATE | \ZipArchive::OVERWRITE) !== true) {
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throw new \RuntimeException('无法创建导出文件');
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}
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$zip->addFromString('[Content_Types].xml', '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'
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.'<Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types">'
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.'<Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>'
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.'<Default Extension="xml" ContentType="application/xml"/>'
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.'<Override PartName="/xl/workbook.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml"/>'
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.'<Override PartName="/xl/worksheets/sheet1.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml"/>'
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.'</Types>');
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$zip->addFromString('_rels/.rels', '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'
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.'<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">'
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.'<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="xl/workbook.xml"/>'
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.'</Relationships>');
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$zip->addFromString('xl/workbook.xml', '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'
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.'<workbook xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships">'
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.'<sheets><sheet name="'.$this->xml($sheetName).'" sheetId="1" r:id="rId1"/></sheets>'
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.'</workbook>');
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$zip->addFromString('xl/_rels/workbook.xml.rels', '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'
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.'<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">'
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.'<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet" Target="worksheets/sheet1.xml"/>'
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.'</Relationships>');
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$zip->addFromString('xl/worksheets/sheet1.xml', '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'
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.'<worksheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main"><sheetData>'
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.$rowsXml
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.'</sheetData></worksheet>');
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$zip->close();
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return $path;
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}
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/**
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* 生成 .csv 文件，返回临时文件路径（带 UTF-8 BOM，Excel 打开不乱码）。
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*/
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public function exportCsv(array $header, array $rows): string
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{
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$tmp = tempnam(sys_get_temp_dir(), 'bomexp');
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$path = $tmp.'.csv';
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$fh = fopen($path, 'w');
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if ($fh === false) {
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throw new \RuntimeException('无法创建导出文件');
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}
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fwrite($fh, "\xEF\xBB\xBF");
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fputcsv($fh, $header);
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foreach ($rows as $row) {
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fputcsv($fh, array_map(fn ($v) => (string) $v, $row));
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}
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fclose($fh);
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return $path;
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}
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private function buildRow(int $rowNum, array $cells): string
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{
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$xml = '<row r="'.$rowNum.'">';
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$col = 0;
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foreach ($cells as $v) {
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$ref = $this->colLetter($col).$rowNum;
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$xml .= '<c r="'.$ref.'" t="inlineStr"><is><t>'.$this->xml((string) $v).'</t></is></c>';
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$col++;
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}
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$xml .= '</row>';
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return $xml;
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}
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private function colLetter(int $idx): string
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{
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$s = '';
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$idx++;
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while ($idx > 0) {
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$idx--;
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$s = chr(ord('A') + ($idx % 26)).$s;
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$idx = intdiv($idx, 26);
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}
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return $s;
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}
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private function xml(string $s): string
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{
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return htmlspecialchars($s, ENT_QUOTES | ENT_XML1, 'UTF-8');
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}
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}
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