日程安排对象（向后端传送）

[
    {
        "date": "2017/12/15",
        "citys": [
            {
                "code": "460100"
            },
            {
                 "code": "460200"
            }
        ],
        "sites": [
            {
                "startTime": "06:30",
                "siteInfo":{
                    "siteNo": "100042",
                },
                "cityCode": "460200",
                "projects": [
                    {
                        "itemNo": "100044",                        
                    },
                    {
                        "itemNo": "100068",                        
                    },
                ]
            }
        ]
    },
    {
        "date": "2017/12/16",
        "citys": [
            {
                "code": "469002",
            }
        ],
        "sites": []
    },
    {
        "date": "2017/12/17",
        "citys": [
            {
                "code": "460200",
            }
        ],
        "sites": []
    },
    {
        "date": "2017/12/18",
        "citys": [
            {
                "code": "460200",
            }
        ],
        "sites": []
    }
]