获取结构物堰的信息

{
    "modelFile": "string",
    "weirs": [
        {
            "weirName": "string",
            "weirType": 0,
            "weirValveType": 0,
            "alphaZero": 0,
            "geometryDatum": 0,
            "geometryLevelWidths": [
                {
                    "level": 0,
                    "width": 0
                }
            ]
        }
    ]
}