cursor.toArray()-
Important
mongosh
Method方法This page documents a本页记录了一种mongoshmethod. This is not the documentation for a language-specific driver, such as Node.js.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。ThetoArray()method returns an array that contains all the documents from a cursor. The method iterates completely the cursor, loading all the documents into RAM and exhausting the cursor.toArray()方法返回一个数组,其中包含游标中的所有文档。该方法完全迭代游标,将所有文档加载到RAM中并耗尽游标。Returns:返回An array of documents.一系列文件。
Consider the following example that applies 考虑以下示例,该示例将toArray() to the cursor returned from the find() method:toArray()应用于find()方法返回的游标:
var allProductsArray = db.products.find().toArray();
if (allProductsArray.length > 0) { printjson (allProductsArray[0]); }
The variable 变量allProductsArray holds the array of documents returned by toArray().allProductArray保存toArray()返回的文档数组。
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