springboot2 多模块项目 mybatis的使用

首先建立多模块项目让项目成功运行并跑起来

能够参考文章建立多模块项目 Go!!!

项目分3个子模块分别是，父级megatron

1. megatron-api
   项目启动类

   package com.megatron.module;
   
   import com.megatron.utils.IPUtils;
   import org.mybatis.spring.annotation.MapperScan;
   import org.slf4j.Logger;
   import org.slf4j.LoggerFactory;
   import org.springframework.boot.SpringApplication;
   import org.springframework.boot.autoconfigure.SpringBootApplication;
   
   @SpringBootApplication
   @MapperScan("com.megatron.module.dal.mapper") //扫描指定包中的接口
   public class MegatronLogApiApplication {
   	public static Logger logger = LoggerFactory.getLogger(MegatronLogApiApplication.class);
   	public static void main(String[] args) {
   		System.setProperty("local-ip", IPUtils.getLocalIp());
   		SpringApplication.run(MegatronLogApiApplication.class, args);
   	}
   
   }

   application.yml

   spring:
     datasource:
       name: mysql
       type: com.alibaba.druid.pool.DruidDataSource
       druid:
         filter: stat
         driver-class-name: com.mysql.cj.jdbc.Driver
         url: jdbc:mysql://127.0.0.1:3306/megatron?useUnicode=true&characterEncoding=UTF-8&allowMultiQueries=true
         username: root
         password:
         #配置初始化大小/最小/最大
         initial-size: 1
         min-idle: 1
         max-active: 20
         #获取链接等待超时时间
         max-wait: 60000
         #间隔多久进行一次检测，检测须要关闭的空闲链接
         time-between-eviction-runs-millis: 60000
         #一个链接在池中最小生存的时间
         min-evictable-idle-time-millis: 300000
         validation-query: SELECT 'x'
         test-while-idle: true
         test-on-borrow: false
         test-on-return: false
         #打开PSCache，并指定每一个链接上PSCache的大小。oracle设为true，mysql设为false。分库分表较多推荐设置为false
         pool-prepared-statements: false
         max-pool-prepared-statement-per-connection-size: 20
   logging:
     config: classpath:log4j2-test.yml
   mybatis:
     mapper-locations: classpath:mapper/*.xml
     type-aliases-package: com.megatron.module.dal.entity

   
    

2. megatron-impl
   mybatis须要用到的pom

   <dependency>
       <groupId>org.mybatis</groupId>
       <artifactId>mybatis</artifactId>
       <version>3.5.1</version>
       <scope>compile</scope>
   </dependency>
   
   <dependency>
       <groupId>mysql</groupId>
       <artifactId>mysql-connector-java</artifactId>
       <scope>runtime</scope>
   </dependency>
   
   <!-- 分页插件 -->
   <dependency>
       <groupId>com.github.pagehelper</groupId>
       <artifactId>pagehelper-spring-boot-starter</artifactId>
       <version>1.2.5</version>
   </dependency>
   <!-- alibaba的druid数据库链接池 -->
   <dependency>
       <groupId>com.alibaba</groupId>
       <artifactId>druid-spring-boot-starter</artifactId>
       <version>1.1.9</version>
   </dependency>

   
   红框内容是经过mybatis插件生成代码参考插件Go!!!
3. 最后能够看到结果能够正常输出