{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "type": "array",
    "items": {
        "type": "object",
        "required": [
            "value",
            "text"
        ],
        "properties": {
            "key": {
                "type": ["string", "number", "integer", "boolean", "null"],
                "description": "节点唯一标识(可选)，不传，则以 value 为准"
            },
            "value": {
                "type": ["string", "number", "integer", "boolean", "null"],
                "description": "节点的值域(必选)"
            },
            "text": {
                "type": "string",
                "description": "节点的文本说明(必选)"
            },
            "selected": {
                "type": "boolean",
                "description": "是否选中当前节点(可选)，默认 false"
            },
            "disabled": {
                "type": "boolean",
                "description": "是否禁用当前节点(可选)，默认 false，不禁用"
            },
            "isleaf": {
                "type": "boolean",
                "description": "是否是叶子节点(可选)，默认 false，为 true 时，会忽略 children"
            },
            "children": {
                "type": "array",
                "description": "子节点列表(可选)",
                "items": {
                    "$ref": "#/items"
                }
            }
        }
    }
}