源码有毒的专栏

一、环境准备 MongoDB环境安装参照 MongoDBWindows平台安装 二、创建项目，添加MongoDB驱动依赖Jar<dependency> <groupId>org.mongodb</groupId> <artifactId>mongo-java-driver</artifactId> <version>3.4.0</version> </dependenc

一、引入相关依赖 <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.11</version> </dependency> <depende