MyBatis-Plus - 分页查询 selectPage 返回 total 为 0 解决方案

importorg.springframework.context.annotation.Bean;
importorg.springframework.context.annotation.Configuration; 
importcom.baomidou.mybatisplus.plugins.PaginationInterceptor;
@ConfigurationpublicclassMybatisPlusConfig {
/***   mybatis-plus分页插件*/@BeanpublicPaginationInterceptorpaginationInterceptor() {
PaginationInterceptorpage=newPaginationInterceptor();
page.setDialectType("mysql");
returnpage;
    }
}

<dependency><groupId>com.github.pagehelper</groupId><artifactId>pagehelper-spring-boot-starter</artifactId><version>1.2.3</version></dependency>