From 4513ef24bf9b188c2a77d6ce94f1a6b7e9ebf0e6 Mon Sep 17 00:00:00 2001 From: zuoxiao <470321431@qq.com> Date: 星期日, 27 四月 2025 20:40:19 +0800 Subject: [PATCH] fix(irrigatePlan): 修正灌溉计划开始时间逻辑 --- pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/DoubleUtil.java | 103 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 103 insertions(+), 0 deletions(-) diff --git a/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/DoubleUtil.java b/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/DoubleUtil.java new file mode 100644 index 0000000..b40e2dd --- /dev/null +++ b/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/DoubleUtil.java @@ -0,0 +1,103 @@ +package com.dy.common.util; + +import java.math.BigDecimal; +import java.math.RoundingMode; + +/** + * @Author: liurunyu + * @Date: 2024/8/2 13:58 + * @Description 绮惧噯鐨刣ouble璁$畻 + */ +public class DoubleUtil { + /** 榛樿闄ゆ硶杩愮畻绮惧害 */ + private static final int DEF_DIV_SCALE = 10; + + /** 杩欎釜绫讳笉鑳藉疄渚嬪寲 */ + private DoubleUtil() { + } + + /** + * 鎻愪緵绮剧‘鐨勫姞娉曡繍绠椼�� + * @param v1 琚姞鏁� + * @param v2 鍔犳暟 + * @return 涓や釜鍙傛暟鐨勫拰 + */ + public static double add(double v1, double v2) { + BigDecimal b1 = new BigDecimal(Double.toString(v1)); + BigDecimal b2 = new BigDecimal(Double.toString(v2)); + return b1.add(b2).doubleValue(); + } + + /** + * 鎻愪緵绮剧‘鐨勫噺娉曡繍绠椼�� + * @param v1 琚噺鏁� + * @param v2 鍑忔暟 + * @return 涓や釜鍙傛暟鐨勫樊 + */ + public static double sub(double v1, double v2) { + BigDecimal b1 = new BigDecimal(Double.toString(v1)); + BigDecimal b2 = new BigDecimal(Double.toString(v2)); + return b1.subtract(b2).doubleValue(); + } + + /** + * 鎻愪緵绮剧‘鐨勪箻娉曡繍绠椼�� + * @param v1 琚箻鏁� + * @param v2 涔樻暟 + * @return 涓や釜鍙傛暟鐨勭Н + */ + public static double mul(double v1, double v2) { + BigDecimal b1 = new BigDecimal(Double.toString(v1)); + BigDecimal b2 = new BigDecimal(Double.toString(v2)); + return b1.multiply(b2).doubleValue(); + } + + /** + * 鎻愪緵锛堢浉瀵癸級绮剧‘鐨勯櫎娉曡繍绠楋紝褰撳彂鐢熼櫎涓嶅敖鐨勬儏鍐垫椂锛岀簿纭埌 + * 灏忔暟鐐逛互鍚�10浣嶏紝浠ュ悗鐨勬暟瀛楀洓鑸嶄簲鍏ャ�� + * @param v1 琚櫎鏁� + * @param v2 闄ゆ暟 + * @return 涓や釜鍙傛暟鐨勫晢 + */ + public static double div(double v1, double v2) + { + return div(v1, v2, DEF_DIV_SCALE); + } + + /** + * 鎻愪緵锛堢浉瀵癸級绮剧‘鐨勯櫎娉曡繍绠椼�傚綋鍙戠敓闄や笉灏界殑鎯呭喌鏃讹紝鐢眘cale鍙傛暟鎸� + * 瀹氱簿搴︼紝浠ュ悗鐨勬暟瀛楀洓鑸嶄簲鍏ャ�� + * @param v1 琚櫎鏁� + * @param v2 闄ゆ暟 + * @param scale 琛ㄧず琛ㄧず闇�瑕佺簿纭埌灏忔暟鐐逛互鍚庡嚑浣嶃�� + * @return 涓や釜鍙傛暟鐨勫晢 + */ + public static double div(double v1, double v2, int scale) { + if (scale < 0) { + throw new IllegalArgumentException( + "The scale must be a positive integer or zero"); + } + BigDecimal b1 = new BigDecimal(Double.toString(v1)); + BigDecimal b2 = new BigDecimal(Double.toString(v2)); + if (b1.compareTo(BigDecimal.ZERO) == 0) { + return BigDecimal.ZERO.doubleValue(); + } + return b1.divide(b2, scale, RoundingMode.HALF_UP).doubleValue(); + } + + /** + * 鎻愪緵绮剧‘鐨勫皬鏁颁綅鍥涜垗浜斿叆澶勭悊銆� + * @param v 闇�瑕佸洓鑸嶄簲鍏ョ殑鏁板瓧 + * @param scale 灏忔暟鐐瑰悗淇濈暀鍑犱綅 + * @return 鍥涜垗浜斿叆鍚庣殑缁撴灉 + */ + public static double round(double v, int scale) { + if (scale < 0) { + throw new IllegalArgumentException( + "The scale must be a positive integer or zero"); + } + BigDecimal b = new BigDecimal(Double.toString(v)); + BigDecimal one = BigDecimal.ONE; + return b.divide(one, scale, RoundingMode.HALF_UP).doubleValue(); + } +} -- Gitblit v1.8.0