·2438 字·5 分钟
1、环境搭建 # 1.1、搭建数据库 # CREATE DATABASE `mybatis`; USE `mybatis`; CREATE TABLE `user`( `id` INT(20) PRIMARY KEY, `name` VARCHAR(30) DEFAULT NULL, `pwd` VARCHAR(30) DEFAULT NULL ); INSERT INTO `user` VALUES (1,"tom","123456"), (2,"jack","123456"), (3,"tim","123456"); 1.2、导入依赖 # <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.25</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.5.6</version> </dependency> 1.3、编写DAO接口 # 还要编写pojo层具体实体类