package com.hfkj.common.utils; import java.math.BigDecimal; import java.math.RoundingMode; public class CommonUtil { public static String unitLengthTransform(BigDecimal length){ if(length==null){ return null; } if (length.compareTo(new BigDecimal(1000)) > 0) { return length.divide(new BigDecimal(1000), 2, RoundingMode.HALF_UP) + "千米"; } return length + "米"; } }