[[["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):2025-08-20。"],[[["\u003cp\u003eThis API for bundled services and \u003ccode\u003eKey\u003c/code\u003e class operations is specifically for first-generation runtimes in the App Engine standard environment, with migration to Python 3 requiring a specific guide.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eKey\u003c/code\u003e class represents an immutable Datastore key, used to refer to entities and to retrieve them using the \u003ccode\u003eget()\u003c/code\u003e method.\u003c/p\u003e\n"],["\u003cp\u003eKeys can be compared using operators such as \u003ccode\u003e==\u003c/code\u003e and \u003ccode\u003e<\u003c/code\u003e, and also support string representation, as well as being used within a hash table.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eKey\u003c/code\u003e class offers various constructor signatures, including those for ancestor order, pairs, flat structures, and URL-safe strings, along with options for specifying the application ID and namespace.\u003c/p\u003e\n"],["\u003cp\u003eThere are multiple methods to access key properties and contents, which do not affect the Datastore, as well as other methods that will interact with the Datastore, like to get or delete an entity.\u003c/p\u003e\n"]]],[],null,[]]