1. 添加依赖

  1. <!-- mybatis plus 代码生成器 -->
  2. <dependency>
  3.     <groupId>com.baomidou</groupId>
  4.     <artifactId>mybatis-plus-boot-starter</artifactId>
  5.     <version>3.3.1</version>
  6. </dependency>
  7. <dependency>
  8.     <groupId>com.baomidou</groupId>
  9.     <artifactId>mybatis-plus-generator</artifactId>
  10.     <version>3.3.1</version>
  11. </dependency>
  12. <dependency>
  13.     <groupId>com.alibaba</groupId>
  14.     <artifactId>fastjson</artifactId>
  15.     <version>1.2.47</version>
  16. </dependency>

2. 配置application.yml

  1. spring:
  2.   datasource:
  3.     driver-class-name: com.mysql.jdbc.Driver
  4.     url: jdbc:mysql://127.0.0.1:3306/springboot_demo?serverTimezone=Asia/Shanghai&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&useSSL=false&allowPublicKeyRetrieval=true
  5.     username: root
  6.     password: 123456
  7.   jackson:
  8.     date-format: yyyy-MM-dd HH:mm:ss
  9.     time-zone: GMT+8
  10.     serialization:
  11.       write-dates-as-timestamps: false
  13. mybatis-plus:
  14.   # 输出sql日志
  15.   configuration:
  16.     map-underscore-to-camel-case: true
  17.     auto-mapping-behavior: full
  18.     log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
  19.   # mapper.xml文件配置
  20.   mapper-locations: classpath*:mapper/*.Mapper.xml

3. 配置MyBatisPlusConfig

  1. @Configuration
  2. public class MyBatisPlusConfig {
  4.     /**
  5.      * 分页插件
  6.      * @return
  7.      */
  8.     @Bean
  9.     public PaginationInterceptor paginationInterceptor() {
  10.         return new PaginationInterceptor();
  11.     }
  12. }

4. 启动类添加mapper扫描

  1. @SpringBootApplication
  2. @MapperScan("com.xuwei.springboot.mapper") // 添加扫描mapper注解
  3. public class SpringbootApplication {}