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微服务项目搭建三:自动生成代码
2022-06-13 08:10:00 【梦.之.蓝】
1,观点论述
自动生成代码的插件是很多的,比如easyCode,最近看到的谷粒商城的自制的renren-generator,比如mybatis-plus的mybatis-generator,不过在经过评估以后,我认为使用mybatisX来按需生成代码是最合适的。
2,操作步骤:
1,安装mybatisX插件,新建一个springcloud项目,并且,要注意,后续要用到分布式事务,所以要注意seata框架和springcloud版本要对照

注意,在这里,我的jdk的版本为17,原因是jdk17如果开启ZGC的话,在GC处理的效率来说,会比普通的GC会好的多,它是在产生垃圾的同时,会有线程回去处理垃圾,而且,在这里,就不会出现新生代,老年代的说法了,在这里,会把垃圾分成不同的块状空间,并优先处理大块的空间的垃圾,所以,在开启ZGC的时候,在运行项目的同时,会有垃圾线程在回收垃圾。
参考:
阿里云中的maven仓库地址:仓库服务https://developer.aliyun.com/mvn/guide
2,删除多余文件
结果如下:

3,在pom.xml文件添加相关依赖,结果如下
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<!-- 公共依赖-->
<modules>
<module>course-main</module>
</modules>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.6.8</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.mengzhilan</groupId>
<artifactId>course</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>pom</packaging>
<name>course</name>
<description>course</description>
<properties>
<java.version>17</java.version>
<lombok.version>1.18.12</lombok.version>
<seata.version>1.5.1</seata.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!--lombok-->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${lombok.version}</version>
</dependency>
<!--seata-->
<!-- <dependency>-->
<!-- <groupId>com.alibaba.cloud</groupId>-->
<!-- <artifactId>spring-cloud-alibaba-seata</artifactId>-->
<!-- <version>2.1.1.RELEASE</version>-->
<!-- <exclusions>-->
<!-- <exclusion>-->
<!-- <artifactId>seata-all</artifactId>-->
<!-- <groupId>io.seata</groupId>-->
<!-- </exclusion>-->
<!-- </exclusions>-->
<!-- </dependency>-->
<!-- <dependency>-->
<!-- <groupId>io.seata</groupId>-->
<!-- <artifactId>seata-all</artifactId>-->
<!-- <version>${seata.version}</version>-->
<!-- </dependency>-->
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
4,新建子模块:

新建选择moudle,然后选择spring initializr
5,新建完后,删除多余的文件,结果如下所示

pom.xml文件为:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.mengzhilan</groupId>
<artifactId>course</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<groupId>com.mengzhilan</groupId>
<artifactId>course-main</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>course-main</name>
<description>course-main</description>
<properties>
<spring-cloud.version>2021.0.3</spring-cloud.version>
<java.version>17</java.version>
</properties>
<dependencies>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
6,点击右侧的Databse,连接数据库

7,生成代码,并放入到项目文件夹中,最终结果如下所示

8,在这里,我列举下我使用的版本
springboot :2.6.8
springcloud:2021.0.3
seata-all:1.5.1
spring-cloud-alibaba-seata: 2.1.1
9,至此,自动生成代码就配置好了,后续按需编写对应的代码。
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