} Change to the gorm directory: cd gorm The structure of this directory is as follows: . ￿── Makefile ￿── go.mod ￿── go.sum ￿── gorm.go gorm.go is the main body of the gorm. Compared with go-sql-driver/mysql to the sqldriver directory: cd sqldriver The structure of this directory is as follows: . ￿── Makefile ￿── dao.go ￿── go.mod ￿── go.sum ￿── sql ￿ ￿── dbinit.sql ￿── sql.go ￿── sqldriver.go plain-java-mybatis directory: cd plain-java-mybatis The structure of this directory is as follows: . ￿── Makefile ￿── pom.xml ￿── src ￿── main ￿── java ￿ ￿── com ￿ ￿── pingcap 195 ￿ ￿── MybatisExample

return session.Error } return session.Transaction(fc) } 进入目录 gorm ： cd gorm 目录结构如下所示： . ├ ─ ─ Makefile ├ ─ ─ go.mod ├ ─ ─ go.sum └ ─ ─ gorm.go 其中，gorm.go 是 gorm 这个示例程序的主体。使用 gorm 时，相较于 go-sql-driver/mysql，gorm return nil }) } 使用 go-sql-driver/mysql 时，首先进入目录 sqldriver： cd sqldriver 目录结构如下所示： . ├ ─ ─ Makefile ├ ─ ─ dao.go ├ ─ ─ go.mod ├ ─ ─ go.sum ├ ─ ─ sql │ └ ─ ─ dbinit.sql ├ ─ ─ sql.go └ ─ ─ MyBatis Generator 生成部 分持久层代码。 进入目录 plain-java-mybatis： cd plain-java-mybatis 目录结构如下所示： . ├ ─ ─ Makefile ├ ─ ─ pom.xml └ ─ ─ src └ ─ ─ main ├ ─ ─ java │ └ ─ ─ com │ └ ─ ─ pingcap │ ├ ─ ─ MybatisExample

environment variables in the URL. For example, https://gitpod �→ .io/#targetFile=spring-jpa-hibernate_Makefile,targetMode=spring-jpa- �→ hibernate/https://github.com/pingcap-inc/tidb-example-java. 3. Log in example. You can create a new workspace by the https://gitpod.io/#targetFile=spring-jpa-hibernate_Makefile,targetMode �→ =spring-jpa-hibernate/https://github.com/pingcap-inc/tidb-example-java URL. After

environment variables in the URL. For example, https://gitpod �→ .io/#targetFile=spring-jpa-hibernate_Makefile,targetMode=spring-jpa- �→ hibernate/https://github.com/pingcap-inc/tidb-example-java. 3. Log in example. You can create a new workspace by the https://gitpod.io/#targetFile=spring-jpa-hibernate_Makefile,targetMode �→ =spring-jpa-hibernate/https://github.com/pingcap-inc/tidb-example-java URL. After

environment variables in the URL. For example, https://gitpod �→ .io/#targetFile=spring-jpa-hibernate_Makefile,targetMode=spring-jpa- �→ hibernate/https://github.com/pingcap-inc/tidb-example-java. 3. Log in example. You can create a new workspace by the https://gitpod.io/#targetFile=spring-jpa-hibernate_Makefile,targetMode �→ =spring-jpa-hibernate/https://github.com/pingcap-inc/tidb-example-java URL. After

environment variables in the URL. For example, https://gitpod �→ .io/#targetFile=spring-jpa-hibernate_Makefile,targetMode=spring-jpa- �→ hibernate/https://github.com/pingcap-inc/tidb-example-java. 3. Log in example. You can create a new workspace by the https://gitpod.io/#targetFile=spring-jpa-hibernate_Makefile,targetMode �→ =spring-jpa-hibernate/https://github.com/pingcap-inc/tidb-example-java URL. After

e-java。 • 支 持 在 URL 中 配 置 环 境 变 量。 例 如，https://gitpod.io/#targetFile=spring-jpa-hibernate_ �→ Makefile,targetMode=spring-jpa-hibernate/https://github.com/pingcap-inc/tidb-example �→ -java。 3. 使用列出的 会需要一段时间来设置你的工作区。 以Spring Boot Web 应用程序为例，通过 URL https://gitpod.io/#targetFile=spring-jpa-hibernate_Makefile �→ ,targetMode=spring-jpa-hibernate/https://github.com/pingcap-inc/tidb-example-java 可以创建一个 新工作区。

environment variables in the URL. For example, https://gitpod �→ .io/#targetFile=spring-jpa-hibernate_Makefile,targetMode=spring-jpa- �→ hibernate/https://github.com/pingcap-inc/tidb-example-java. 3. Log in example. You can create a new workspace by the https://gitpod.io/#targetFile=spring-jpa-hibernate_Makefile,targetMode �→ =spring-jpa-hibernate/https://github.com/pingcap-inc/tidb-example-java URL. After

e-java。 • 支 持 在 URL 中 配 置 环 境 变 量。 例 如，https://gitpod.io/#targetFile=spring-jpa-hibernate_ �→ Makefile,targetMode=spring-jpa-hibernate/https://github.com/pingcap-inc/tidb-example �→ -java。 3. 使用列出的 会需要一段时间来设置你的工作区。 以Spring Boot Web 应用程序为例，通过 URL https://gitpod.io/#targetFile=spring-jpa-hibernate_Makefile �→ ,targetMode=spring-jpa-hibernate/https://github.com/pingcap-inc/tidb-example-java 可以创建一个 新工作区。

environment variables in the URL. For example, https://gitpod �→ .io/#targetFile=spring-jpa-hibernate_Makefile,targetMode=spring-jpa- �→ hibernate/https://github.com/pingcap-inc/tidb-example-java. 3. Log in example. You can create a new workspace by the https://gitpod.io/#targetFile=spring-jpa-hibernate_Makefile,targetMode �→ =spring-jpa-hibernate/https://github.com/pingcap-inc/tidb-example-java URL. After