TEST

gistfile1.txt

{
  "superList": [
    {
      "id": "7974",
      "userId": "9512",
      "status": "WAITING",
      "createdDate": "2020-03-30 14:55:29"
    },
    {
      "id": "7973",
      "userId": "9512",
      "status": "WAITING",
      "createdDate": "2020-03-30 14:55:29"
    },
    {
      "id": "7970",
      "userId": "9512",
      "status": "WAITING",
      "createdDate": "2020-03-25 15:31:59"
    },
    {
      "id": "7969",
      "userId": "9512",
      "status": "WAITING",
      "createdDate": "2020-03-25 15:31:59"
    },
    {
      "id": "7968",
      "userId": "9512",
      "status": "WAITING",
      "createdDate": "2020-03-25 15:31:59"
    },
    {
      "id": "7967",
      "userId": "9512",
      "status": "WAITING",
      "createdDate": "2020-03-23 21:35:25"
    },
    {
      "id": "7962",
      "userId": "9512",
      "status": "WAITING",
      "createdDate": "2020-03-18 18:20:14"
    },
    {
      "id": "7961",
      "userId": "9512",
      "winNums": "1,2,3",
      "status": "DONE",
      "createdDate": "2020-03-18 12:29:01"
    },
    {
      "id": "7960",
      "userId": "9512",
      "status": "DONE",
      "createdDate": "2020-03-03 12:28:14"
    },
    {
      "id": "7959",
      "userId": "9512",
      "status": "DONE",
      "createdDate": "2020-03-03 12:28:03"
    }
  ]
}



====================== 원하는 데이터  ==========================

{
"2020-03-30":[
{
      "id": "7974",
      "userId": "9512",
      "status": "WAITING",
      "createdDate": "2020-03-30 14:55:29"
    },
    {
      "id": "7973",
      "userId": "9512",
      "status": "WAITING",
      "createdDate": "2020-03-30 14:55:29"
    }
],
"2020-03-25 " : [{
      "id": "7970",
      "userId": "9512",
      "status": "WAITING",
      "createdDate": "2020-03-25 15:31:59"
    },
    {
      "id": "7969",
      "userId": "9512",
      "status": "WAITING",
      "createdDate": "2020-03-25 15:31:59"
    },
    {
      "id": "7968",
      "userId": "9512",
      "status": "WAITING",
      "createdDate": "2020-03-25 15:31:59"
    }],
"2020-03-18 " : [{
      "id": "7970",
      "userId": "9512",
      "status": "WAITING",
      "createdDate": "2020-03-18 15:31:59"
    }]
}