在python字典组成的数组中，按照其中的字典的一个key的值进行排序

Tech

对接海康的系统，取出客流信息后，发现返回的结果是乱序的, 并没有按照时间先后顺序排列。

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[
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 28,
        "flowOutNum": 17,
        "holdValue": 0,
        "createTime": 1622070960029,
        "updateTime": 1622073660035,
        "statTime": "2021-05-27T07:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 25,
        "flowOutNum": 44,
        "holdValue": 0,
        "createTime": 1622103360028,
        "updateTime": 1622106060028,
        "statTime": "2021-05-27T16:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 40,
        "flowOutNum": 33,
        "holdValue": 0,
        "createTime": 1622078160028,
        "updateTime": 1622080920032,
        "statTime": "2021-05-27T09:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 33,
        "flowOutNum": 41,
        "holdValue": 0,
        "createTime": 1622081760029,
        "updateTime": 1622084460028,
        "statTime": "2021-05-27T10:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 28,
        "flowOutNum": 30,
        "holdValue": 0,
        "createTime": 1622096160028,
        "updateTime": 1622098860029,
        "statTime": "2021-05-27T14:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 32,
        "flowOutNum": 24,
        "holdValue": 0,
        "createTime": 1622092560213,
        "updateTime": 1622095260028,
        "statTime": "2021-05-27T13:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 0,
        "flowOutNum": 0,
        "holdValue": 0,
        "createTime": 1622045760027,
        "updateTime": 1622048460027,
        "statTime": "2021-05-27T00:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 0,
        "flowOutNum": 0,
        "holdValue": 0,
        "createTime": 1622056560027,
        "updateTime": 1622059260043,
        "statTime": "2021-05-27T03:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 0,
        "flowOutNum": 0,
        "holdValue": 0,
        "createTime": 1622049360031,
        "updateTime": 1622052060029,
        "statTime": "2021-05-27T01:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 15,
        "flowOutNum": 21,
        "holdValue": 0,
        "createTime": 1622063760027,
        "updateTime": 1622066460027,
        "statTime": "2021-05-27T05:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 29,
        "flowOutNum": 19,
        "holdValue": 0,
        "createTime": 1622067360029,
        "updateTime": 1622070060027,
        "statTime": "2021-05-27T06:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 0,
        "flowOutNum": 0,
        "holdValue": 0,
        "createTime": 1622052960029,
        "updateTime": 1622055660027,
        "statTime": "2021-05-27T02:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 0,
        "flowOutNum": 2,
        "holdValue": 0,
        "createTime": 1622060160028,
        "updateTime": 1622062861776,
        "statTime": "2021-05-27T04:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 30,
        "flowOutNum": 28,
        "holdValue": 0,
        "createTime": 1622074560035,
        "updateTime": 1622077260037,
        "statTime": "2021-05-27T08:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 19,
        "flowOutNum": 51,
        "holdValue": 0,
        "createTime": 1622085360028,
        "updateTime": 1622088060029,
        "statTime": "2021-05-27T11:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 27,
        "flowOutNum": 23,
        "holdValue": 0,
        "createTime": 1622088960033,
        "updateTime": 1622091660029,
        "statTime": "2021-05-27T12:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 16,
        "flowOutNum": 21,
        "holdValue": 0,
        "createTime": 1622099760030,
        "updateTime": 1622102460029,
        "statTime": "2021-05-27T15:00:00.000+08:00"
    }
]

Python的 sorted 内置函数提供了一个lambda 参数可以对它排序。

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data = hik_http_request(url, body).json()['data']['list']
return sorted(data, key=lambda e: e.__getitem__('createTime'))

排序后的结果:

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[
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 0,
        "flowOutNum": 0,
        "holdValue": 0,
        "createTime": 1622045760027,
        "updateTime": 1622048460027,
        "statTime": "2021-05-27T00:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 0,
        "flowOutNum": 0,
        "holdValue": 0,
        "createTime": 1622049360031,
        "updateTime": 1622052060029,
        "statTime": "2021-05-27T01:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 0,
        "flowOutNum": 0,
        "holdValue": 0,
        "createTime": 1622052960029,
        "updateTime": 1622055660027,
        "statTime": "2021-05-27T02:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 0,
        "flowOutNum": 0,
        "holdValue": 0,
        "createTime": 1622056560027,
        "updateTime": 1622059260043,
        "statTime": "2021-05-27T03:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 0,
        "flowOutNum": 2,
        "holdValue": 0,
        "createTime": 1622060160028,
        "updateTime": 1622062861776,
        "statTime": "2021-05-27T04:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 15,
        "flowOutNum": 21,
        "holdValue": 0,
        "createTime": 1622063760027,
        "updateTime": 1622066460027,
        "statTime": "2021-05-27T05:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 29,
        "flowOutNum": 19,
        "holdValue": 0,
        "createTime": 1622067360029,
        "updateTime": 1622070060027,
        "statTime": "2021-05-27T06:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 28,
        "flowOutNum": 17,
        "holdValue": 0,
        "createTime": 1622070960029,
        "updateTime": 1622073660035,
        "statTime": "2021-05-27T07:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 30,
        "flowOutNum": 28,
        "holdValue": 0,
        "createTime": 1622074560035,
        "updateTime": 1622077260037,
        "statTime": "2021-05-27T08:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 40,
        "flowOutNum": 33,
        "holdValue": 0,
        "createTime": 1622078160028,
        "updateTime": 1622080920032,
        "statTime": "2021-05-27T09:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 33,
        "flowOutNum": 41,
        "holdValue": 0,
        "createTime": 1622081760029,
        "updateTime": 1622084460028,
        "statTime": "2021-05-27T10:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 19,
        "flowOutNum": 51,
        "holdValue": 0,
        "createTime": 1622085360028,
        "updateTime": 1622088060029,
        "statTime": "2021-05-27T11:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 27,
        "flowOutNum": 23,
        "holdValue": 0,
        "createTime": 1622088960033,
        "updateTime": 1622091660029,
        "statTime": "2021-05-27T12:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 32,
        "flowOutNum": 24,
        "holdValue": 0,
        "createTime": 1622092560213,
        "updateTime": 1622095260028,
        "statTime": "2021-05-27T13:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 28,
        "flowOutNum": 30,
        "holdValue": 0,
        "createTime": 1622096160028,
        "updateTime": 1622098860029,
        "statTime": "2021-05-27T14:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 16,
        "flowOutNum": 21,
        "holdValue": 0,
        "createTime": 1622099760030,
        "updateTime": 1622102460029,
        "statTime": "2021-05-27T15:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 25,
        "flowOutNum": 44,
        "holdValue": 0,
        "createTime": 1622103360028,
        "updateTime": 1622106060028,
        "statTime": "2021-05-27T16:00:00.000+08:00"
    },
    {
        "groupId": "b5900064-b435-4886-8061-2ba39148c7c6",
        "groupName": "主入口",
        "flowInNum": 7,
        "flowOutNum": 8,
        "holdValue": 0,
        "createTime": 1622106960027,
        "updateTime": 1622106960027,
        "statTime": "2021-05-27T17:00:00.000+08:00"
    }
]
Notice: 正常情况下，这里会有一个基于utteranc.es的留言系统，如果看不到，可能要想想办法才能看到。

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