[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2025-09-04 (世界標準時間)。"],[[["\u003cp\u003eThe \u003ccode\u003eFacetRefinement\u003c/code\u003e class is used to refine search results based on a specific facet value.\u003c/p\u003e\n"],["\u003cp\u003eWhile manual \u003ccode\u003eFacetRefinement\u003c/code\u003e is possible, using the token string from \u003ccode\u003eFacetResult\u003c/code\u003e is the recommended approach.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eFacetRefinement\u003c/code\u003e constructor accepts a name, a value, or a \u003ccode\u003efacet_range\u003c/code\u003e, but only one of the value or facet_range can be specified.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eFacetRefinement\u003c/code\u003e instances have \u003ccode\u003ename\u003c/code\u003e, \u003ccode\u003evalue\u003c/code\u003e, and \u003ccode\u003erange\u003c/code\u003e properties that define the refinement.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eFacetRefinement\u003c/code\u003e objects can be converted to token strings using \u003ccode\u003eToTokenString()\u003c/code\u003e and can be created from a token string using the \u003ccode\u003eFromTokenString()\u003c/code\u003e method.\u003c/p\u003e\n"]]],[],null,["# The FacetRefinement Class\n\nClass `FacetRefinement` is used to narrow search results based on a facet value.\n\nThe recommended way to use facet refinement is to use its token string. Each FacetResult will\nhave a token that is acceptable instead of this class. To provide manual FacetRefinement, an\ninstance of this class can be passed to SearchOptions.\n| This API is supported for first-generation runtimes and can be used when [upgrading to corresponding second-generation runtimes](/appengine/docs/standard/\n| python3\n|\n| /services/access). If you are updating to the App Engine Python 3 runtime, refer to the [migration guide](/appengine/migration-center/standard/migrate-to-second-gen/python-differences) to learn about your migration options for legacy bundled services.\n\n`FacetRefinement` is defined in the module `google.appengine.api.search`.\n\nConstructor\n-----------\n\nThe constructor for class `FacetRefinement` is defined as follows:\n\nclass FacetRefinement(name, value=None, facet_range=None)\n\n: Construct an instance of class `FacetRefinement`.\n\n NOTE: Either the value or the facet_range should be set but not both.\n\n:\n\n Arguments\n\n name\n\n : Sets the name property\n\n value\n\n : Sets the value property\n\n facet_range\n\n : Sets the facet_range property\n\n Result value\n\n : A new instance of class `FacetRefinement`.\n\n Exceptions\n\n TypeError\n\n : If any of the parameters have invalid types, or an unknown\n attribute is passed.\n\n ValueError\n\n : If any of the parameters have invalid values.\n\n \u003cbr /\u003e\n\n\u003cbr /\u003e\n\nProperties\n----------\n\nAn instance of class `FacetRefinement` has the following properties:\n\nname\n\n: name of the facet refinement.\n\nvalue\n\n: string value of the facet refinement.\n\nrange\n\n: numeric range of the facet refinement.\n\nInstance Methods\n----------------\n\nInstances of class `FacetRefinement` have the following methods:\n\nToTokenString()\n\n: Converts this refinement to a token string safe to be used in HTML. The format of this string may change.\n\n: Result value\n\n : A token string safe to be used in HTML for this facet refinement.\n\nFromTokenString()\n\n: This static method converts a token string to a FacetRefinement object. Do not store token strings between different versions of API as key could\n be incompatible.\n\n: Arguments\n\n token_string\n\n : A token string created by ToTokenString method or returned\n by a search result.\n\n Result value\n\n : A FacetRefinement object.\n\n Exceptions\n\n ValueError\n\n : If the token_string is invalid."]]