keisunique

1.文档结构movie{ "_id" : ObjectId("*******2bd93db4516d6040ed"), "title" : "羞羞的铁拳", "like" : 101, "dislike" : 20, "author" : [ "mike",

1.前言 代码中的Object代表数据库实体类 2.导入Mongo相关jar包 dependency> groupId>org.mongodbgroupId> artifactId>mongo-java-driverartifactId> version>3.5.0version> dependency> dependency> groupId>or