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QRCode_MCP

qrcode.ts1.15 kB
import QRCode from "qrcode"; interface QRCodeOptions { width?: number; // 二维码宽度 margin?: number; // 二维码边距 color?: { dark?: string; // 二维码颜色 light?: string; // 背景颜色 }; errorCorrectionLevel?: "L" | "M" | "Q" | "H"; // 错误纠正级别 } /** * 生成二维码 * @param text 要转换成二维码的文本 * @param options 二维码配置选项 * @returns Promise<string> 返回 base64 格式的二维码图片 */ async function generateQRCode( text: string, options: QRCodeOptions = {} ): Promise<string> { try { const defaultOptions: QRCodeOptions = { width: 256, margin: 4, color: { dark: "#000000", light: "#ffffff", }, errorCorrectionLevel: "M", }; // 合并默认选项和用户选项 const qrOptions = { ...defaultOptions, ...options }; // 生成二维码(返回 base64 格式) const qrCodeImage = await QRCode.toDataURL(text, qrOptions); return qrCodeImage; } catch (error) { console.error("generateQRCode error:", error); throw error; } } export { generateQRCode, QRCodeOptions };

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