import com.baomidou.mybatisplus.extension.plugins.OptimisticLockerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import com.baomidou.mybatisplus.extension.plugins.PerformanceInterceptor;
import com.baomidou.mybatisplus.extension.plugins.pagination.optimize.JsqlParserCountOptimize;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.transaction.annotation.EnableTransactionManagement;
@EnableTransactionManagement
//@MapperScan("com.hr.*")
@Configuration
public class MybatisPlusConfig {
//注册乐观锁
@Bean
public OptimisticLockerInterceptor optimisticLockerInterceptor(){
return new OptimisticLockerInterceptor();
}
//分页插件配置
@Bean
public PaginationInterceptor paginationInterceptor() {
PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
// 设置请求的页面大于最大页后操作, true调回到首页,false 继续请求 默认false
// paginationInterceptor.setOverflow(false);
// 设置最大单页限制数量,默认 500 条,-1 不受限制
// paginationInterceptor.setLimit(500);
// 开启 count 的 join 优化,只针对部分 left join
paginationInterceptor.setCountSqlParser(new JsqlParserCountOptimize());
return paginationInterceptor;
}
//逻辑删除,3.1.1开始不再需要这一步
// @Bean
// public ISqlInjector sqlInjector(){
// return new LogicSqlInjector();
// }
//SQL执行效率插件,性能分析拦截器,用于输出每条SQL语句及执行时间
@Bean
@Profile({"dev","test"})//设置 dev,test环境开启
public PerformanceInterceptor performanceInterceptor(){
PerformanceInterceptor performanceInterceptor = new PerformanceInterceptor();
performanceInterceptor.setMaxTime(100);//设置sql执行的最大时间,如果超过就停止运行
performanceInterceptor.setFormat(true);//sql是否格式化,默认false
return performanceInterceptor;
}
}