引入包

<dependency><groupId>org.apache.commons</groupId><artifactId>commons-lang3</artifactId><version>3.12.0</version>
</dependency>

判断对象属性不为空

if (StringUtils.isNotBlank(params.getName())) {objectQueryWrapper.like("name",params.getName());}

判断集合不为空

import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;if (CollectionUtils.isNotEmpty(records)) {System.out.println("records = " + records);}