获取屏幕信息

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    "data": {
        "screens": [
            {
                "screenID": "string",
                "screenName": "string",
                "createTime": "string",
                "workingMode": 0,
                "lowLatency": true,
                "layoutMode": 0,
                "screenIndex": 0,
                "screenGroupID": "string",
                "ordinal": 0,
                "position": {
                    "x": 0,
                    "y": 0
                },
                "canvases": [
                    {
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                        "outputCardId": 0,
                        "canvasSerialNum": 0,
                        "ordinal": 0,
                        "size": {
                            "width": 0,
                            "height": 0
                        },
                        "isCustomSize": true,
                        "position": {
                            "x": 0,
                            "y": 0
                        },
                        "rectSize": {
                            "width": 0,
                            "height": 0
                        },
                        "cabinets": [
                            {
                                "cabinetID": 0,
                                "connectID": 0,
                                "outputID": 0,
                                "position": {
                                    "x": 0,
                                    "y": 0
                                },
                                "size": {
                                    "width": 0,
                                    "height": 0
                                },
                                "angle": 0,
                                "lockStatus": true
                            }
                        ],
                        "groups": [
                            {
                                "groupID": "string",
                                "groupName": "string",
                                "groupColor": {
                                    "r": 0,
                                    "g": 0,
                                    "b": 0
                                },
                                "cabinetIDs": [
                                    0
                                ],
                                "angle": 0
                            }
                        ],
                        "maxFrameRate": 0,
                        "layoutLines": [
                            "string"
                        ],
                        "zorder": 0,
                        "frequencyPhaseStatus": 0
                    }
                ],
                "layersInWorkingMode": [
                    {
                        "workingMode": 0,
                        "layerLayoutMode": 0,
                        "layers": [
                            {
                                "id": 0,
                                "layerIndex": 0,
                                "source": 0,
                                "position": {
                                    "x": 0,
                                    "y": 0
                                },
                                "zOrder": 0,
                                "lock": true,
                                "border": {
                                    "enable": true,
                                    "width": 0,
                                    "color": {
                                        "r": 0,
                                        "g": 0,
                                        "b": 0
                                    }
                                },
                                "cut": {
                                    "enable": true,
                                    "rect": {
                                        "x": 0,
                                        "y": 0,
                                        "width": 0,
                                        "height": 0
                                    }
                                },
                                "scaler": {
                                    "width": 0,
                                    "height": 0
                                },
                                "followState": true,
                                "layerInCanvasId": 0
                            }
                        ]
                    }
                ],
                "masterFrameRate": 0,
                "pixToPixMode": 0
            }
        ],
        "screenGroups": [
            {
                "screenGroupID": "string",
                "name": "string",
                "ordinal": 0
            }
        ]
    },
    "message": "string"
}