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常用api
2022-07-26 17:03:00 【CV小能手,】
1、类复制
import org.apache.commons.beanutils.BeanUtils;
// 将参数一的类属性值,赋值2到参数二的类里面,字段要保持一样
BeanUtils.copyProperties(basicRoadInfoDTO,basicRoadInfo);2、字符串判空
import org.apache.commons.lang3.StringUtils;
// 为空返回true 包括空串灯
StringUtils.isBlank(str)
// 不为空返回true
StringUtils.isNotBlank(str)3、集合判空
// Collections集合工具类
// 集合为空返回true
if (list.isEmpty()) {
return ResultUtil.success(ResultEnum.SUCCESS, null);
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