读取和写入临时文件
使用集合让一切井井有条
根据您的偏好保存内容并对其进行分类。
建议您使用 Cloud Storage 在 App Engine 中读取和写入文件,但是,如果您的应用只需要写入临时文件,则可以使用标准 Go 1.11 方法将文件写入 /tmp
目录。
此目录中的所有文件都存储在实例的 RAM 中,因此写入 /tmp
会占用系统内存。此外,/tmp
目录中的文件仅可用于创建文件的应用实例。删除实例时,临时文件也会一并删除。
如未另行说明,那么本页面中的内容已根据知识共享署名 4.0 许可获得了许可,并且代码示例已根据 Apache 2.0 许可获得了许可。有关详情,请参阅 Google 开发者网站政策。Java 是 Oracle 和/或其关联公司的注册商标。
最后更新时间 (UTC):2025-06-16。
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-06-16。"],[[["Cloud Storage is recommended for reading and writing files in App Engine, but `/tmp` can be used for temporary files."],["Writing to `/tmp` uses system memory because files are stored in the instance's RAM."],["Files in `/tmp` are only accessible to the app instance that created them and are deleted when the instance is terminated."],["Go's `TempDir` and `TempFile` methods read and write files to the `/tmp` directory by default."]]],[]]