【MyBatis-Plus】查询单个字段的 List 集合

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; // 写法 LambdaQueryWrapper<Entity> lambdaQueryWrapper = new LambdaQueryWrapper<>(); lambdaQueryWrapper.select(Entity::getField) .eq(Entity::getField2, 1) .eq(Entity::getIsDeleted, 0); // 结果：[a, b] List<String> nameList = this.baseMapper.selectObjs(lambdaQueryWrapper) .stream() // 指定要转换的类型 .map(o -> (String) o) .collect(Collectors.toList());