1.添加依赖<dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-data-mongodb</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency>2.配置 properties 文件# MongoDB - 配置
# 数据库名字可以不需要提前创建
# spring.data.mongodb.uri=mongodb://localhost:27017/{your_db_name}
spring.data.mongodb.uri=mongodb://localhost:27017/db_user
spring.data.mongodb.username=admin
spring.data.mongodb.password=1234563.定义文档实体类import lombok.AllArgsConstructor;
import lombok.Data;
import lom