bootstrap-table 如何渲染二级数组？

Question

想要bootstrap-table实现下表，该如何把json数据渲染出来，谢谢

返回的json数据格式如下：

{ 
"total":2,
"rows":[
    {
        "id":2,
        "user_id":1,
        "status":"1",
        "name":"测试信息1111111",
        "status_text":"待确认",
        "createtime":1589524272,        
        "record_arr":[
            {
                "id":4,
                "sale_id":2,
                "item":"aaaaa",
                "number":8000,
                "createtime":1589524172
            },
            {
                "id":5,
                "sale_id":2,
                "item":"bbbbb",
                "number":7000,
                "createtime":1589524172
            },
            {
                "id":6,
                "sale_id":2,
                "item":"ccccc",
                "number":6000,
                "createtime":1589524172
            }
        ]
    },
    {
        "id":1,
        "user_id":1,
        "status":"1",
        "name":"测试信息2222222",
        "status_text":"待确认",
        "createtime":1589524172,
        "record_arr":[
            {
                "id":1,
                "sale_id":1,
                "item":"ddddd",
                "number":10000,
                "createtime":1589523959
            },
            {
                "id":2,
                "sale_id":1,
                "item":"eeeee",
                "number":10000,
                "createtime":1589523959
            },
            {
                "id":3,
                "sale_id":1,
                "item":"fffff",
                "number":10000,
                "createtime":1589523959
            }
        ]
    }
]

}