242 lines
8.2 KiB
PHP
242 lines
8.2 KiB
PHP
<?php
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namespace Modules\EcommerceFinance\Services;
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use Illuminate\Http\UploadedFile;
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use Illuminate\Validation\ValidationException;
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use Modules\EcommerceFinance\Repositories\ProductPriceMirrorRepository;
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use PhpOffice\PhpSpreadsheet\IOFactory;
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use RuntimeException;
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use Throwable;
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class ProductPriceWorkbookImporter
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{
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/** @var array<string,string> */
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private const HEADERS = [
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'记录标识' => 'upstream_key',
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'商品编码' => 'barcode',
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'SPU' => 'spu',
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'商品名称' => 'product_name',
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'类目' => 'category',
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'生产状态' => 'production_status',
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'最低售价' => 'minimum_price',
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'计算限价' => 'price_limit',
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'采购价' => 'purchase_price',
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'运费' => 'shipping_fee',
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'京喜限价' => 'jingxi_limit_price',
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];
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/** @var array<string,int> */
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private const TEXT_LIMITS = [
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'barcode' => 191,
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'spu' => 191,
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'product_name' => 5000,
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'category' => 255,
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'production_status' => 120,
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];
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public function __construct(private readonly ProductPriceMirrorRepository $repository)
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{
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}
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/** @return array<string,array{label:string,type:string}> */
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public function templateFields(): array
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{
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$fields = [];
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foreach (self::HEADERS as $label => $field) {
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if ($field === 'upstream_key') {
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continue;
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}
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$fields[$field] = [
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'label' => $label,
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'type' => isset(self::TEXT_LIMITS[$field]) ? 'text' : 'number',
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];
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}
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return $fields;
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}
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/** @return array{created:int,updated:int,rows:int} */
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public function import(UploadedFile $file, int $companyId, ?int $userId): array
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{
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try {
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$spreadsheet = IOFactory::load($file->getRealPath());
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[$rows, $headerRow, $columns] = $this->bestMatchingSheet($spreadsheet);
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} catch (Throwable) {
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throw ValidationException::withMessages([
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'import' => '无法读取导入文件，请确认文件未损坏且格式为 xlsx、xls 或 csv。',
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]);
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} finally {
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if (isset($spreadsheet)) {
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$spreadsheet->disconnectWorksheets();
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}
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}
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if ($rows === null || ! in_array('upstream_key', $columns, true)) {
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throw ValidationException::withMessages([
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'import' => '未找到“记录标识”列，请先导出当前数据，再使用导出的表格进行修改。',
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]);
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}
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if (count(array_intersect($columns, ProductPriceMirrorRepository::EDITABLE_FIELDS)) === 0) {
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throw ValidationException::withMessages([
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'import' => '表格中没有可导入的商品价格字段。',
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]);
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}
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$records = [];
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foreach (array_slice($rows, $headerRow + 1, null, true) as $rowIndex => $row) {
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$line = $rowIndex + 1;
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$upstreamKey = '';
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$changes = [];
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foreach ($columns as $columnIndex => $field) {
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$value = $row[$columnIndex] ?? null;
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if ($field === 'upstream_key') {
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$upstreamKey = strtolower(trim((string) $value));
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continue;
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}
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$changes[$field] = $this->normalizeValue($field, $value, $line);
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}
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if ($upstreamKey === '' && collect($changes)->every(
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static fn (mixed $value): bool => $value === null || $value === ''
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)) {
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continue;
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}
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if (preg_match('/^[a-f0-9]{64}$/', $upstreamKey) !== 1) {
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throw ValidationException::withMessages([
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'import' => "第 {$line} 行“记录标识”无效，请勿修改导出文件中的该列。",
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]);
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}
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if (array_key_exists($upstreamKey, $records)) {
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throw ValidationException::withMessages([
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'import' => "第 {$line} 行“记录标识”重复。",
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]);
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}
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if (array_key_exists('barcode', $changes) && trim((string) $changes['barcode']) === '') {
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throw ValidationException::withMessages([
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'import' => "第 {$line} 行“商品编码”不能为空。",
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]);
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}
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if (collect($changes)->every(static fn (mixed $value): bool => $value === null || $value === '')) {
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continue;
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}
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$records[$upstreamKey] = $changes;
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if (count($records) > 10000) {
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throw ValidationException::withMessages([
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'import' => '单次最多导入 10,000 条商品价格记录，请拆分文件后重试。',
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]);
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}
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}
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if ($records === []) {
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throw ValidationException::withMessages(['import' => '表格中没有可导入的数据行。']);
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}
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try {
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$result = $this->repository->applyOverrides($records, $companyId, $userId, 'import');
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} catch (RuntimeException $exception) {
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if (str_starts_with($exception->getMessage(), 'product_price_record_not_found:')) {
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throw ValidationException::withMessages([
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'import' => '导入文件包含当前商品价格镜像中不存在的记录，请重新导出后再导入。',
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]);
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}
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if ($exception->getMessage() === 'product_price_maintenance_schema_missing') {
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throw ValidationException::withMessages([
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'import' => '商品价格维护功能尚未完成初始化，请稍后重试。',
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]);
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}
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throw $exception;
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}
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return $result + ['rows' => count($records)];
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}
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private function bestMatchingSheet($spreadsheet): array
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{
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$lookup = [];
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foreach (self::HEADERS as $label => $field) {
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$lookup[$this->normalizeHeader($label)] = $field;
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$lookup[$this->normalizeHeader($field)] = $field;
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}
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$best = [null, null, []];
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$bestScore = 0;
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foreach ($spreadsheet->getWorksheetIterator() as $worksheet) {
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$rows = $worksheet->toArray(null, false, false, false);
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foreach (array_slice($rows, 0, 20, true) as $rowIndex => $row) {
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$columns = [];
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foreach ($row as $columnIndex => $heading) {
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$key = $this->normalizeHeader($heading);
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if ($key !== '' && isset($lookup[$key])) {
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$columns[$columnIndex] = $lookup[$key];
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}
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}
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if (count($columns) > $bestScore) {
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$best = [$rows, $rowIndex, $columns];
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$bestScore = count($columns);
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}
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}
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}
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return $best;
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}
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private function normalizeHeader(mixed $value): string
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{
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return mb_strtolower(preg_replace('/[\s\x{FEFF}_\-（）()]+/u', '', trim((string) $value)));
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}
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private function normalizeValue(string $field, mixed $value, int $line): mixed
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{
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if ($value === null || trim((string) $value) === '') {
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return null;
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}
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if (isset(self::TEXT_LIMITS[$field])) {
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$text = trim((string) $value);
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if (mb_strlen($text) > self::TEXT_LIMITS[$field]) {
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$label = array_search($field, self::HEADERS, true) ?: $field;
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throw ValidationException::withMessages([
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'import' => "第 {$line} 行“{$label}”内容过长。",
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]);
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}
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return $text;
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}
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$number = str_replace([',', '，', '￥', '¥'], '', trim((string) $value));
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if (preg_match('/^(?:\d+(?:\.\d{1,4})?|\.\d{1,4})$/', $number) !== 1
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|| bccomp($number, '9999999999999999.9999', 4) === 1) {
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$label = array_search($field, self::HEADERS, true) ?: $field;
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throw ValidationException::withMessages([
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'import' => "第 {$line} 行“{$label}”必须是大于或等于 0、最多 4 位小数的有效金额。",
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]);
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}
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return ltrim($number, '+');
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}
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}
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