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- 云开发使用update中删除数据库中子元素的某一条数据，显示null?
数据库中text数据 text： "_id": "XXXXXX""_openid": "XXXXX""children": [{"desc":"qwr","originPrice":"req","price":"wer","tag":"w...}{"desc":"wq","originPrice":"wqr","price":"ewqr","tag":"e...}{"desc":"wq","originPrice":"wqr","price":"ewqr","tag":"e...}{"desc":"wq","originPrice":"wqr","price":"ewqr","tag":"e...}]"shopName":"ssd"使用 update删除children中的一条数据，显示null const db= wx.cloud.database() db.collection("text").doc(_id).update({ data:{ [ 'children.' + index_item] : db.command.remove() } }) [图片] 怎么把null去掉呢
2019-12-31 - 关于chooseImage在ios系统中获取图片报错？
[图片][图片] 点击调用chooseImage一直报错
2019-11-29