java - mongodb中 将A字段等于某值 的记录的 B字段更新为指定值？

Question

用java语言如何实现

Answer 1

The official documentation of MongoDB is very complete, please refer to the official manual of the MongoDB Java driver:

http://mongodb.github.io/mong...

Update operates as follows:

collection.updateOne(eq("i", 10), set("i", 110));