mapInfo = {
    "mapName": "YKWCS",
    "rackCount": 4,
    "crnCount": 3,
    "stbCount": 13,
    "hpPosition": 0,
    "minBayNo": 1,
    "floors": 1,
    "racks": [ {
        "type": "rack",
        "id": "rack12",
        "top": 280,
        "left": 529,
        "width": 1280,
        "height": 22,
        "minBayNo": 1,
        "maxBayNo": 31
    }, {
        "type": "rack",
        "id": "rack11",
        "top": 301,
        "left": 529,
        "width": 1280,
        "height": 22,
        "minBayNo": 1,
        "maxBayNo": 31
    }, {
        "type": "rack",
        "id": "rack10",
        "top": 349,
        "left": 529,
        "width": 1280,
        "height": 22,
        "minBayNo": 1,
        "maxBayNo": 31
    }, {
        "type": "rack",
        "id": "rack9",
        "top": 370,
        "left": 529,
        "width": 1280,
        "height": 22,
        "minBayNo": 1,
        "maxBayNo": 31
    }],
    "rackDescs": [{
        "type": "rackDescs",
        "id": "lb_desc1",
        "text": "#16",
        "top": 167,
        "left": 1810,
        "width": 30,
        "height": 0
    }, {
        "type": "rackDescs",
        "id": "lb_desc2",
        "text": "#1",
        "top": 596,
        "left": 1810,
        "width": 30,
        "height": 0
    }],
    "crns": [{
        "type": "track",
        "id": "lb_track3",
        "text": "",
        "top": 338,
        "left": 490,
        "width": 1300,
        "height": 2
    }, {
        "type": "crane",
        "id": "crn-1",
        "text": "1",
        "top": 325,
        "left": 490,
        "width": 93,
        "height": 22
    }],
    "areas": [{
        "type": "Control_floor",
        "id": "tabControl_floor1",
        "text": "楼层",
        "top": 68,
        "left": 80,
        "width": 1845,
        "height": 676,
        "floors": [{
            "type": "floor",
            "id": "page_floor1",
            "text": "1库",
            "top": 4,
            "left": 22,
            "width": 1819,
            "height": 668,
            "stns": [{
                "type": "stn",
                "id": "site-1112",
                "text": "1112",
                "top": 280,
                "left": 580,
                "width": 60,
                "height": 40
            },{
                "type": "stn",
                "id": "site-1111",
                "text": "1111",
                "top": 238,
                "left": 580,
                "width": 60,
                "height": 40
            },{
                "type": "stn",
                "id": "site-1114",
                "text": "1114",
                "top": 352,
                "left": 1740,
                "width": 60,
                "height": 40
            },{
                "type": "stn",
                "id": "site-1113",
                "text": "1113",
                "top": 394,
                "left": 1740,
                "width": 60,
                "height": 40
            }],
            "barcode":[
                {
                    "type": "barcode",
                    "id": "barcode-0",
                    "text": "",
                    "top": 210,
                    "left": 570,
                    "width": 80,
                    "height": 20
                },
                {
                    "type": "barcode",
                    "id": "barcode-1",
                    "text": "",
                    "top": 436,
                    "left": 1730,
                    "width": 80,
                    "height": 20
                }
            ]
        },{
            "type": "floor",
            "id": "page_floor2",
            "text": "2库",
            "top": 4,
            "left": 22,
            "width": 1819,
            "height": 668,
            "stns": [{
                "type": "stn",
                "id": "site-1122",
                "text": "1122",
                "top": 280,
                "left": 580,
                "width": 60,
                "height": 40
            },{
                "type": "stn",
                "id": "site-1121",
                "text": "1121",
                "top": 238,
                "left": 580,
                "width": 60,
                "height": 40
            },{
                "type": "stn",
                "id": "site-1124",
                "text": "1124",
                "top": 352,
                "left": 1740,
                "width": 60,
                "height": 40
            },{
                "type": "stn",
                "id": "site-1123",
                "text": "1123",
                "top": 394,
                "left": 1740,
                "width": 60,
                "height": 40
            }],
            "barcode":[
                {
                    "type": "barcode",
                    "id": "barcode-2",
                    "text": "",
                    "top": 210,
                    "left": 570,
                    "width": 80,
                    "height": 20
                },
                {
                    "type": "barcode",
                    "id": "barcode-3",
                    "text": "",
                    "top": 436,
                    "left": 1730,
                    "width": 80,
                    "height": 20
                }
            ]
        }]
    }]
}