mapInfo = {
    "mapName": "WCS",
    "rackCount": 8,
    "crnCount": 2,
    "stbCount": 18,
    "hpPosition": 1,
    "minBayNo": 1,
    "floors": 1,
    "racks": [
    {
        "type": "rack",
        "id": "rack1",
        "top": 250,
        "left": 270,
        "width": 1350,
        "height": 30,
        "minBayNo": 2,
        "maxBayNo": 17
    }, {
            "type": "rack",
            "id": "rack2",
            "top": 325,
            "left": 270,
            "width": 1350,
            "height": 30,
            "minBayNo": 2,
            "maxBayNo": 17
        }
],
    "rackDescs": [
        {
            "type": "rackDescs",
            "id": "lb_desc13",
            "text": "》》》出库",
            "top": 360,
            "left": 1600,
            "width": 100,
            "height": 23
        },
        {
            "type": "rackDescs",
            "id": "lb_desc12",
            "text": "《《《 入库",
            "top": 220,
            "left": 1600,
            "width": 100,
            "height": 23
        },
    {
        "type": "rackDescs",
        "id": "lb_desc2",
        "text": "#1",
        "top": 330,
        "left": 233,
        "width": 33,
        "height": 23
    },
    {
        "type": "rackDescs",
        "id": "lb_desc1",
        "text": "#2",
        "top": 255,
        "left": 235,
        "width": 33,
        "height": 23
    }
],
    "crns": [
    {
        "type": "crane",
        "id": "crn-1",
        "text": "1",
        "top": 285,
        "left": 270,
        "width": 100,
        "height": 32
    },
    {
        "type": "track",
        "id": "lb_track3",
        "text": "",
        "top": 302,
        "left": 270,
        "width": 1350,
        "height": 1
    }
],
    "areas": [
    {
        "type": "Control_floor",
        "id": "tabControl_floor1",
        "text": "楼层",
        "top": 150,
        "left": 46,
        "width": 1703,
        "height": 621,
        "floors": [
            {
                "type": "floor",
                "id": "page_floor1",
                "text": "1F",
                "top": 4,
                "left": 22,
                "width": 1677,
                "height": 613,
                "stns": [
                    {
                        "type": "stn",
                        "id": "site-201",
                        "text": "201",
                        "top": 250,
                        "left": 1620,
                        "width": 70,
                        "height": 30
                    },
                    {
                        "type": "stn",
                        "id": "site-202",
                        "text": "202",
                        "top": 250,
                        "left": 1691,
                        "width": 70,
                        "height": 30
                    },
                    {
                        "type": "stn",
                        "id": "site-203",
                        "text": "203",
                        "top": 325,
                        "left": 1620,
                        "width": 70,
                        "height": 30
                    },
                    {
                        "type": "stn",
                        "id": "site-204",
                        "text": "204",
                        "top": 325,
                        "left": 1691,
                        "width": 70,
                        "height": 30
                    },
                    {
                        "type": "stn",
                        "id": "site-205",
                        "text": "205",
                        "top": 325,
                        "left": 945,
                        "width": 83,
                        "height": 30
                    }
                ]
            }
        ]
    }
]
}