函数来生成文件的 MD5 哈希值

// 函数来生成文件的 MD5 哈希值
function generateMD5(filePath) {
  return new Promise((resolve, reject) => {
    const hash = crypto.createHash("md5");
    const stream = fs.createReadStream(filePath);

    stream.on("error", reject);
    stream.on("data", (data) => hash.update(data));
    stream.on("end", () => {
      const md5Hash = hash.digest("hex");
      resolve(md5Hash);
    });
  });
}