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zhenchen
**描述：** 从前端拿到了一个目录地址，例如 ` /storage/emulated/0/DCIM/test` 打包后得到压缩包 ` /storage/emulated/0/DCIM/test.zip` 下面返回了文件，浏览器进行下载 ``` FileBody fileBody = new FileBody(zipFile); response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(zipFile.getName(), "UTF-8")); response.setBody(fileBody); return new FileBody(zipFile); ``` **问题：** 下载后，如何删除掉zip压缩包文件 `/storage/emulated/0/DCIM/test.zip`