From dadc05108763f1a3f8dfefc883c78698d08882c6 Mon Sep 17 00:00:00 2001 From: attiya <2413103649@qq.com> Date: Tue, 22 Apr 2025 09:43:06 +0800 Subject: [PATCH] =?UTF-8?q?=E8=AE=A2=E5=8D=95=E7=BB=93=E7=AE=97=EF=BC=9A?= =?UTF-8?q?=E9=BB=98=E8=AE=A4=E8=AE=A1=E7=AE=97?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../service/impl/UserOrdersServiceImpl.java | 30 +++- .../com/cdzy/orders/uitls/NumberUtils.java | 137 ++++++++++++++++++ 2 files changed, 164 insertions(+), 3 deletions(-) create mode 100644 ebike-orders/src/main/java/com/cdzy/orders/uitls/NumberUtils.java diff --git a/ebike-orders/src/main/java/com/cdzy/orders/service/impl/UserOrdersServiceImpl.java b/ebike-orders/src/main/java/com/cdzy/orders/service/impl/UserOrdersServiceImpl.java index b8a3dd55..3e1b72c5 100644 --- a/ebike-orders/src/main/java/com/cdzy/orders/service/impl/UserOrdersServiceImpl.java +++ b/ebike-orders/src/main/java/com/cdzy/orders/service/impl/UserOrdersServiceImpl.java @@ -5,7 +5,10 @@ import com.cdzy.common.enums.Code; import com.cdzy.common.model.JsonResult; import com.cdzy.common.model.ResGPSDto; import com.cdzy.orders.component.EbikeCoreHandler; -import com.cdzy.orders.enums.*; +import com.cdzy.orders.enums.CmdCode; +import com.cdzy.orders.enums.EbikeRegionInOperation; +import com.cdzy.orders.enums.OrderStatus; +import com.cdzy.orders.enums.OrderType; import com.cdzy.orders.mapper.UserOrdersMapper; import com.cdzy.orders.model.dto.req.ReqBikeDto; import com.cdzy.orders.model.dto.req.ReqOrderDto; @@ -13,6 +16,7 @@ import com.cdzy.orders.model.dto.res.RedisPoint; import com.cdzy.orders.model.dto.res.RspBikeDto; import com.cdzy.orders.model.entity.UserOrders; import com.cdzy.orders.service.UserOrdersService; +import com.cdzy.orders.uitls.NumberUtils; import com.cdzy.orders.uitls.RedisUtil; import com.cdzy.orders.uitls.TimeUtils; import com.ebike.feign.clients.MaintenanceFeignClient; @@ -33,7 +37,8 @@ import java.util.List; import java.util.Objects; import java.util.concurrent.CompletableFuture; -import static com.cdzy.orders.enums.TimeDivisionCharging.*; +import static com.cdzy.orders.enums.TimeDivisionCharging.TIME_SLOT; +import static com.cdzy.orders.enums.TimeDivisionCharging.WEEK; import static com.cdzy.orders.model.entity.table.UserOrdersTableDef.USER_ORDERS; /** @@ -310,7 +315,26 @@ public class UserOrdersServiceImpl extends ServiceImpl startupDuration){ + BigDecimal minutesNew = BigDecimal.valueOf(minutes); + BigDecimal startupDurationNew = BigDecimal.valueOf(startupDuration); + //超出时长 + BigDecimal subtract = minutesNew.subtract(startupDurationNew); + //时长计费 + BigDecimal durationCost = feignEbikeSysRcostsetDto.getDurationCost(); + //时长多久计费一次 + Integer duration = feignEbikeSysRcostsetDto.getDuration(); + //总计费几次（向上取整 + int ceil = NumberUtils.divideAndCeil(duration, subtract.intValue()); + BigDecimal ceilCost = BigDecimal.valueOf(ceil); + //最终值 + BigDecimal multiply = durationCost.multiply(ceilCost); + totalAmount = totalAmount.add(multiply); + } return totalAmount; } } diff --git a/ebike-orders/src/main/java/com/cdzy/orders/uitls/NumberUtils.java b/ebike-orders/src/main/java/com/cdzy/orders/uitls/NumberUtils.java new file mode 100644 index 00000000..1fbff002 --- /dev/null +++ b/ebike-orders/src/main/java/com/cdzy/orders/uitls/NumberUtils.java @@ -0,0 +1,137 @@ +package com.cdzy.orders.uitls; + +import java.util.Arrays; + +/** + * 数字计算工具类，提供安全的数学运算方法 + */ +public final class NumberUtils { + + private NumberUtils() { + // 防止实例化 + } + + /** + * 除法向上取整 + * @param dividend 被除数 + * @param divisor 除数 + * @return 向上取整后的结果 + * @throws IllegalArgumentException 如果除数为0 + */ + public static int divideAndCeil(int dividend, int divisor) { + if (divisor == 0) throw new IllegalArgumentException("Divisor cannot be zero"); + return (int) Math.ceil((double) dividend / divisor); + } + + /** + * 安全转换字符串为整数 + * @param str 要转换的字符串 + * @param defaultValue 转换失败时的默认值 + * @return 转换结果或默认值 + */ + public static int parseIntSafe(String str, int defaultValue) { + if (str == null) return defaultValue; + try { + return Integer.parseInt(str.trim()); + } catch (NumberFormatException e) { + return defaultValue; + } + } + + /** + * 计算最大值 + * @param numbers 输入数字 + * @return 最大值 + * @throws IllegalArgumentException 如果输入为空或null + */ + public static int max(int... numbers) { + validateArray(numbers); + return Arrays.stream(numbers).max().getAsInt(); + } + + /** + * 计算最小值 + * @param numbers 输入数字 + * @return 最小值 + * @throws IllegalArgumentException 如果输入为空或null + */ + public static int min(int... numbers) { + validateArray(numbers); + return Arrays.stream(numbers).min().getAsInt(); + } + + /** + * 计算平均值（避免int溢出） + * @param numbers 输入数字 + * @return 平均值 + * @throws IllegalArgumentException 如果输入为空或null + */ + public static double average(int... numbers) { + validateArray(numbers); + long sum = 0; + for (int num : numbers) { + sum += num; + } + return (double) sum / numbers.length; + } + + /** + * 安全绝对值计算 + * @param value 输入值 + * @return 绝对值 + * @throws ArithmeticException 如果值为Integer.MIN_VALUE + */ + public static int absExact(int value) { + if (value == Integer.MIN_VALUE) { + throw new ArithmeticException("Absolute value of Integer.MIN_VALUE overflows"); + } + return Math.abs(value); + } + + /** + * 安全加法（溢出时返回边界值） + * @param a 第一个操作数 + * @param b 第二个操作数 + * @return 计算结果或边界值 + */ + public static int addExact(int a, int b) { + long res = (long) a + b; + return clampToInt(res); + } + + /** + * 安全减法（溢出时返回边界值） + * @param a 被减数 + * @param b 减数 + * @return 计算结果或边界值 + */ + public static int subtractExact(int a, int b) { + long res = (long) a - b; + return clampToInt(res); + } + + /** + * 安全乘法（溢出时返回边界值） + * @param a 第一个因子 + * @param b 第二个因子 + * @return 计算结果或边界值 + */ + public static int multiplyExact(int a, int b) { + long res = (long) a * b; + return clampToInt(res); + } + + // 验证数组有效性 + private static void validateArray(int[] array) { + if (array == null || array.length == 0) { + throw new IllegalArgumentException("Input array must not be null or empty"); + } + } + + // 将long值钳制到int范围 + private static int clampToInt(long value) { + if (value > Integer.MAX_VALUE) return Integer.MAX_VALUE; + if (value < Integer.MIN_VALUE) return Integer.MIN_VALUE; + return (int) value; + } +} \ No newline at end of file