const fileSystemManager = tt.getFileSystemManager();
// 下载一个 zip 文件
tt.downloadFile({
  url: "https://sf1-cdn-tos.douyinstatic.com/obj/microapp/frontend/docs/images/test-4423286930445687.zip",
  success(res) {
    console.log("下载 zip 成功", res.tempFilePath);
    // 解压 zip 文件
    unzip(res.tempFilePath);
  },
  fail(res) {
    console.log("下载 zip 失败", res.errMsg);
  },
});
function unzip(zipFilePath) {
  const targetPath = `ttfile://user/abc`;
  fileSystemManager.unzip({
    zipFilePath,
    targetPath,
    success(_res) {
      console.log("解压成功");
      const concent = fs.readdirSync(targetPath);
      // 输出 zip 内文件内容
      console.log("压缩包内文件:", concent);
    },
    fail(res) {
      console.log("解压失败", res.errMsg);
    },
  });
}