MybatisConfig

我就是我 2022-10-09 14:24 130阅读 0赞

package com.zyq.config;
    
    import org.mybatis.spring.annotation.MapperScan;
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    
    import com.baomidou.mybatisplus.extension.plugins.OptimisticLockerInterceptor;
    import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
    
    /**
     * Mybatis-plus 配置类
     * 
     * @author ZhangYuanqiang
     * @since 2021年4月14日
     */
    @Configuration
    @MapperScan("com.zyq.mapper")
    public class MybatisConfig {
    
        /**
         * 乐观锁配置
         */
        @Bean
        public OptimisticLockerInterceptor optimisticLockerInterceptor() {
            return new OptimisticLockerInterceptor();
        }
    
        /**
         * 分页插件配置
         */
        @Bean
        public PaginationInterceptor paginationInterceptor() {
            return new PaginationInterceptor();
        }
    
    }

package com.zyq.handler;
    
    import java.util.Date;
    
    import org.apache.ibatis.reflection.MetaObject;
    import org.springframework.stereotype.Component;
    
    import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
    
    /**
     * 表记录自动填充策略
     * 
     * @author ZhangYuanqiang
     * @since 2021年4月14日
     */
    @Component
    public class MybatisFieldFillHandler implements MetaObjectHandler {
    
        /**
         * 表记录新增时的赋值
         */
        @Override
        public void insertFill(MetaObject metaObject) {
            Date now = new Date();
            this.setFieldValByName("createTime", now, metaObject);
            this.setFieldValByName("updateTime", now, metaObject);
            this.setFieldValByName("version", 0, metaObject);
            this.setFieldValByName("deleted", 0, metaObject);
        }
    
        /**
         * 表记录修改时的赋值
         */
        @Override
        public void updateFill(MetaObject metaObject) {
            this.setFieldValByName("updateTime", new Date(), metaObject);
        }
    
    }