搜索文件并返回2个字符串

const COS = require('cos-nodejs-sdk-v5');
const cos = new COS({
  SecretId: 'your-secret-id',
  SecretKey: 'your-secret-key',
});

exports.main_handler = async (event, context, callback) => {
  // 定义要搜索的文件名和路径
  const fileName = 'your-file-name';
  const filePath = 'your-file-path';

  // 调用腾讯云对象存储的API进行文件搜索
  const params = {
    Bucket: 'your-bucket-name',
    Region: 'your-bucket-region',
    Prefix: filePath,
  };
  const fileList = await cos.getBucket(params).promise();

  // 遍历搜索结果，找到匹配的文件并读取内容
  let result = [];
  for (const file of fileList.Contents) {
    if (file.Key.includes(fileName)) {
      const fileContent = await cos.getObject({
        Bucket: 'your-bucket-name',
        Region: 'your-bucket-region',
        Key: file.Key,
      }).promise();
      result.push(fileContent.Body.toString());
    }
  }

  // 返回前两个字符串
  callback(null, result.slice(0, 2));
};