在JSON模式中定义枚举数组的正确方法 [英] Correct way to define array of enums in JSON schema

问题描述

我想用JSON模式数组进行描述，该数组应该包含零个或多个预定义值.为简单起见，让我们使用以下可能的值:one，two和three.

I want to describe with JSON schema array, which should consist of zero or more predefined values. To make it simple, let's have these possible values: one, two and three.

正确的数组(应通过验证):

Correct arrays (should pass validation):

[]
["one", "one"]
["one", "three"]

不正确:

["four"]

现在，我知道应该使用"enum"属性，但是找不到在哪里放置相关信息.

Now, I know the "enum" property should be used, but I can't find relevant information where to put it.

选项A(在"items"下):

{
    "type": "array",
    "items": {
        "type": "string",
        "enum": ["one", "two", "three"]
    }
}

选项B:

{
    "type": "array",
    "items": {
        "type": "string"
    },
    "enum": ["one", "two", "three"]
}

推荐答案

选项A正确且满足您的要求.

Option A is correct and satisfy your requirements.

{
    "type": "array",
    "items": {
        "type": "string",
        "enum": ["one", "two", "three"]
    }
}

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