Database Manual / Reference / mongosh Methods / Cursors

cursor.isClosed() (mongosh method方法)

cursor.isClosed()

Important

mongosh Method方法

This page documents a mongosh method. This is not the documentation for a language-specific driver, such as Node.js.本页记录了一种mongosh方法。这不是针对特定语言驱动程序（如Node.js）的文档。

For MongoDB API drivers, refer to the language-specific MongoDB driver documentation.有关MongoDB API驱动程序，请参阅特定语言的MongoDB驱动程序文档。

Returns:返回Boolean.

cursor.isClosed() returns true if the server has closed the cursor.如果服务器已关闭游标，cursorisClosed()返回true。

A closed cursor may still have documents remaining in the last received batch. 关闭的游标可能仍有最后一批接收到的文档。Use cursor.isExhausted() or cursor.hasNext() to check if the cursor is fully exhausted.使用cursor.isExhausted()或cursor.hasNext()检查游标是否完全耗尽。

Compatibility兼容性

This method is available in deployments hosted in the following environments:此方法在以下环境中托管的部署中可用：

  • MongoDB Atlas: The fully managed service for MongoDB deployments in the cloud：云中MongoDB部署的完全托管服务

Note

This command is supported in all MongoDB Atlas clusters. 所有MongoDB Atlas集群都支持此命令。For information on Atlas support for all commands, see Unsupported Commands.有关Atlas支持所有命令的信息，请参阅不支持的命令。

  • MongoDB Enterprise: The subscription-based, self-managed version of MongoDB：MongoDB的基于订阅的自我管理版本
  • MongoDB Community: The source-available, free-to-use, and self-managed version of MongoDB：MongoDB的源代码可用、免费使用和自我管理版本