35 lines
946 B
TypeScript
35 lines
946 B
TypeScript
/** VIN 正则校验（ISO 3779 常见约束，排除 I/O/Q） */
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const VIN_REGEX = /^[A-HJ-NPR-Z0-9]{17}$/;
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export function normalizeVin(raw: string): string {
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return String(raw || '')
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.trim()
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.toUpperCase()
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.replace(/\s+/g, '');
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}
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export function isValidVin(raw: string): boolean {
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return VIN_REGEX.test(normalizeVin(raw));
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}
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export function vinValidationMessage(raw: string): string | null {
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const v = normalizeVin(raw);
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if (!v) return '请填写 VIN 码';
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if (v.length !== 17) return 'VIN 码须为 17 位';
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if (!VIN_REGEX.test(v)) return 'VIN 码格式不正确（不可含 I/O/Q，仅字母与数字）';
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return null;
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}
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/** OCR 模拟回填样例（未接真实 OCR） */
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export const OCR_SAMPLE_VINS = [
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'LZZ1CLWB0PA123456',
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'LZZ1CLWB0PA123457',
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'LFNA1LSE5N1A88901',
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'LZZ1CLSB5PA778899',
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];
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export function mockOcrVin(index = 0): string {
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return OCR_SAMPLE_VINS[index % OCR_SAMPLE_VINS.length];
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}
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