摘要: 1.注解方式整合mybatis 1.1 创建District的Mapper接口 public interface DistrictMapper { @Select("select * from district") List<District> findAll(); @Select("select 阅读全文
posted @ 2021-05-10 20:06 GumpYan 阅读(140) 评论(0) 推荐(0) 编辑
摘要: 1.导入依赖 在pom.xml中添加依赖 <!-- mysql驱动--> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> </dependency> <!-- druid连接--> 阅读全文
posted @ 2021-05-10 19:12 GumpYan 阅读(97) 评论(0) 推荐(0) 编辑
摘要: 1.@SpringBootApplication概述 @SpringBootApplication是一个组合注解 (1)@SpringBootApplication就是@Configuration注解,代表启动类就是配置类 (2)@EnableAutoConfiguration帮你实现自动装配,Sp 阅读全文
posted @ 2021-05-10 10:47 GumpYan 阅读(517) 评论(0) 推荐(0) 编辑