假设原数据是[
{
"_id": "c23e7b96-c72f-42ce-a0bb-282ac41c8582",
"fileID": "",
"index": 1,
"isUse": true
},
{
"_id": "07253fcf-c294-44f3-bbcb-5b79d98c1e3f",
"fileID": "",
"index": 10,
"isUse": false
]
需要批量修改为:[
{
"_id": "c23e7b96-c72f-42ce-a0bb-282ac41c8582",
"fileID": "cloud://82189.73792050952-1582608507547-141A414F289A177F16524A02A94DC59D.png",
"index": 2,
"isUse": true
},
{
"_id": "07253fcf-c294-44f3-bbcb-5b79d98c1e3f",
"fileID": "",
"index": 8,
"isUse": true
]
能不能在不用for循环的情况下用一条语句批量修改?
遇到这种情况,建议给这些记录添加一个字段,便于查询