curl --location --request GET '/back/area/'
{
"code": 0,
"msg": "string",
"data": {
"areaId": 0,
"areaCode": "string",
"areaName": "string",
"level": 0,
"cityCode": "string",
"center": "string",
"parentId": 0,
"postageId": 0,
"searchType": 0,
"areaIds": [
0
],
"children": [
{}
]
}
}