Mybatis-Plus插件配置

• yml配置

   1 # Mybatis-Plus
   2 mybatis-plus:
   3   # 配置mapper的扫描，找到所有的mapper.xml映射文件
   4   mapper-locations: com.xxx.project.biz.*.mapper.*Mapper.xml,com.xxx.project.biz.*.*.mapper.*Mapper.xml
   5   #实体扫描
   6   typeAliasesPackage: com.xxx.project.biz.*.entity,com.xxx.project.biz.*.*.entity
   7   global-config:
   8     # 数据库相关配置
   9     db-config:
  10       #主键类型  NONE:"数据库ID自增", INPUT:"用户输入ID", ID_WORKER:"全局唯一ID (数字类型唯一ID)", UUID:"全局唯一ID UUID", AUTO: MP自动决定;
  11       id-type: id_worker
  12       #字段策略 IGNORED:"忽略判断", NOT_NULL:"非 NULL 判断", NOT_EMPTY:"非空判断"
  13       field-strategy: not_empty
  14       #驼峰下划线转换
  15       column-underline: true
  16       #数据库大写下划线转换
  17       capital-mode: true
  18       #table-prefix: sys_
  19       #逻辑删除配置
  20       logic-delete-value: 1
  21       logic-not-delete-value: 0
  22       # 数据库类型
  23       db-type: mysql
  24     #刷新mapper 调试神器
  25     refresh: true
  26   # 原生配置
  27   configuration:
  28     map-underscore-to-camel-case: true
  29     cache-enabled: false
  30     # 打印sql日志
  31     log-impl: org.apache.ibatis.logging.stdout.StdOutImpl

• 乐观锁、逻辑删除、物流分页插件配置

   1 /**
   2  * MybatisPlus 扫描mapper配置 以及 插件配置
   3  * @Author: xhq
   4  * @Version: 1.0
   5  */
   6 @Configuration
   7 @MapperScan({"com.xxx.project.biz.*.mapper","com.xxx.project.biz.*.*.mapper"})
   8 public class MybatisPlusConfig {
   9
  10     /**
  11      * 物理分页 插件
  12      * @return
  13      */
  14     @Bean
  15     public PaginationInterceptor paginationInterceptor() {
  16         return new PaginationInterceptor();
  17     }
  18
  19     /**
  20      * 乐观锁 插件
  21      * @return
  22      */
  23     @Bean
  24     public OptimisticLockerInterceptor optimisticLockerInterceptor() {
  25         return new OptimisticLockerInterceptor();
  26     }
  27
  28     /**
  29      * 逻辑删除
  30      * @return
  31      */
  32     @Bean
  33     public ISqlInjector sqlInjector() {
  34         return new LogicSqlInjector();
  35     }
  36 }

   1 /**
   2  * Entity基类
   3  *
   4  * @author xhq
   5  */
   6 public class BaseEntity implements Serializable {
   7
   8     private static final long serialVersionUID = 1L;
   9
  10     /** 主键id @JSONField该注解是解决Long类型太长传值前端精度丢失*/
  11     @JSONField(serializeUsing= ToStringSerializer.class)
  12     private Long id;
  13
  14     /** 创建时间 插入自动填充 */
  15     @TableField(fill = FieldFill.INSERT)
  16     private Date createTime;
  17
  18     /** 更新时间 插入和更新自动填充 */
  19     @TableField(fill = FieldFill.INSERT_UPDATE)
  20     private Date updateTime;
  21
  22     /** 备注 */
  23     private String remark;
  24
  25     /** 逻辑删除 0:正常 1:删除 */
  26     @TableLogic
  27     private Integer deleted;
  28
  29     /** 乐观锁 */
  30     @Version
  31     private Integer version;
  32
  33     getter and setter... ...
  34 }

• 自动填充字段配置

   1 /**
   2  * mybatis-plus 自定义自动填充字段处理器
   3  * @Author: xhq
   4  * @Version: 1.0
   5  */
   6 @Component
   7 public class MyMetaObjectHandler implements MetaObjectHandler {
   8
   9     @Override
  10     public void insertFill(MetaObject metaObject) {
  11         this.setInsertFieldValByName("createTime", new Date(), metaObject);
  12         this.setInsertFieldValByName("updateTime", new Date(), metaObject);
  13     }
  14
  15     @Override
  16     public void updateFill(MetaObject metaObject) {
  17         this.setUpdateFieldValByName("updateTime", new Date(), metaObject);
  18     }
  19 }