获取项目 get-projects-by-page

{
    "page_index": 0, //第n页
    "page_size": 100, //每页大小
    "has_more": false, //是否有更多页
    "items": [
        {
            "_id": "5b98e38cdf09ce57a2bf7151", //项目主键
            "created_by": "9d9f17dc466349d08b781da8df9dcc0a", //创建人
            "created_at": 1536746380, //创建时间
            "name": "部门绩效规划", //项目名称
            "name_pinyin": "bmjxgh,bumenjixiaoguihua", //项目名称拼音
            "description": null, //项目描述
            "icon": null,
            "color": "#ebb892",  //项目颜色
            "identifier": "333",  //项目编号
            "task_identifier_prefix": "",   //项目任务编号前缀
            "members": [   //项目成员UID
                "9d9f17dc466349d08b781da8df9dcc0a",
                "ef9c7f4af3fd4f7b950139245b0f0ec1",
                "a9fe9534109a4255b5943e8bb985ca58"
            ],
            "visibility": 2   //项目公开性：1公开, 2私有
        }
    ]
}