在Windows系统上构建

tests/fixtures/generate-qr.mjs

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+// 生成测试用二维码图片（PNG），便于用「从图片扫描」功能验证。
+// 用法：node tests/fixtures/generate-qr.mjs [网址] [输出路径]
+import QRCode from "qrcode";
+import { fileURLToPath } from "node:url";
+import { dirname, resolve } from "node:path";
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+const url = process.argv[2] || "https://fapiao.example.com/open?id=20240701";
+const out = resolve(__dirname, process.argv[3] || "sample-qr.png");
+
+await QRCode.toFile(out, url, {
+  errorCorrectionLevel: "M",
+  margin: 4,
+  scale: 8,
+});
+console.log(`已生成二维码图片: ${out}\n内容: ${url}`);