Mybatis-Plus 分页total为0问题

在使用Mybatis-Plus分页插件PaginationInnerInterceptor时，多数据源情况下，分页不生效，导致前端分页总数为0

解决方式：

分页插件未拦截，使用配置类：

public class MybatisPlusConfig {

    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor mybatisPlusInterceptor = new MybatisPlusInterceptor();
        // 数据权限
        mybatisPlusInterceptor.addInnerInterceptor(new DataFilterInterceptor());

        // 乐观锁
        mybatisPlusInterceptor.addInnerInterceptor(new OptimisticLockerInnerInterceptor());
        // 防止全表更新与删除
        mybatisPlusInterceptor.addInnerInterceptor(new BlockAttackInnerInterceptor());

        // 分页插件
        mybatisPlusInterceptor.addInnerInterceptor(paginationInterceptor());

        return mybatisPlusInterceptor;
    }

    @Bean
    public PaginationInnerInterceptor paginationInterceptor() {
        PaginationInnerInterceptor paginationInnerInterceptor = new PaginationInnerInterceptor();
        paginationInnerInterceptor.setMaxLimit(-1L);
        paginationInnerInterceptor.setDbType(DbType.MYSQL);
        paginationInnerInterceptor.setOptimizeJoin(true);
        return  paginationInnerInterceptor;
    }

}

多数据源情况下需要配置SqlSessionFactory：

   @Bean
    public SqlSessionFactory sqlSessionFactory(MybatisPlusInterceptor mybatisPlusInterceptor) throws Exception {
        MybatisSqlSessionFactoryBean factoryBean = new MybatisSqlSessionFactoryBean();
        factoryBean.setDataSource(dynamicDataSource(defDataSource(), mzDataSource(), zyDataSource()));
        factoryBean.setMapperLocations(new PathMatchingResourcePatternResolver().getResources("classpath*:/mapper/**/*.xml"));
        SqlSessionFactory sqlSessionFactory = factoryBean.getObject();
        org.apache.ibatis.session.Configuration configuration = sqlSessionFactory.getConfiguration();
        configuration.addInterceptor(mybatisPlusInterceptor);
        TypeHandlerRegistry typeHandlerRegistry = sqlSessionFactory.getConfiguration().getTypeHandlerRegistry();
        // 注册默认枚举转换器
        typeHandlerRegistry.setDefaultEnumTypeHandler(org.apache.ibatis.type.EnumTypeHandler.class);
        return factoryBean.getObject();
    }