232 lines
9.3 KiB
Java
232 lines
9.3 KiB
Java
package lingtao.net.Factory;
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import lingtao.net.bean.Product;
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import lingtao.net.util.PriceUtils;
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import lingtao.net.vo.PricingListVo;
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import lingtao.net.vo.ProductVo;
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import java.math.BigDecimal;
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import java.util.ArrayList;
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import java.util.List;
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public class MetalTargetStrategy implements PricingStrategy {
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@Override
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public PricingListVo calculatePrice(Product dto, String role) {
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String plantName = dto.getPlantName();
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double width = dto.getWidth();
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double length = dto.getLength();
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int count = dto.getCount();
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int number = dto.getNumber();
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List<ProductVo> resultList = new ArrayList<>();
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// 定义纸张尺寸（单位：毫米）
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double paperLength = 295; // 纸张长度
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double paperWidth = 195; // 纸张宽度
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double basePrice = 0; // 基础价格
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double minPrice = 0; // 起步价
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double price = 0; // 最终价格
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double colorPrice = 0; // 颜色附加费
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double moreColorPrice = 0; // 多颜色附加费
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int requiredSheets = 0;
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BigDecimal weight = BigDecimal.ZERO;
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// 转换尺寸为毫米并增加边距
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length = convertToMillimetersWithMargin(length);
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width = convertToMillimetersWithMargin(width);
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if ("金大".equals(plantName) || "鑫灿".equals(plantName)) {
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// 检查是否超出纸张尺寸限制
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if (!isWithinPaperSize(length, width, paperLength, paperWidth)) {
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return new PricingListVo(100, "出纸张尺寸限制"); // 返回空列表表示不适用
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}
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// 计算一张纸能容纳的最大金属标数量
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double maxItemsPerSheet = calculateMaxItemsPerSheet(length, width, paperLength, paperWidth);
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// 计算所需纸张数量
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requiredSheets = calculateRequiredSheets(count, number, maxItemsPerSheet);
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// 计算颜色附加费
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if (!"金色".equals(dto.getTcolor()) && !"银色".equals(dto.getTcolor()) && !"玫瑰金色".equals(dto.getTcolor())) {
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colorPrice = 1;
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}
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if ("金大".equals(plantName)) {
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// 设置起步价
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minPrice = 45;
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if ("双色".equals(dto.getCraftMo())) {
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minPrice = 70;
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moreColorPrice = 10;
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}
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if ("彩色(三色)".equals(dto.getCraftMo())) {
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minPrice = 105;
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moreColorPrice = 20;
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}
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colorPrice += moreColorPrice;
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// 根据数量计算基础价格
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if (requiredSheets <= 2) {
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price = minPrice + colorPrice;
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} else if (requiredSheets <= 9) {
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price = minPrice + (requiredSheets - 2) * (12 + colorPrice);
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} else if (requiredSheets <= 19) {
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price = Math.ceil((13 + colorPrice) * requiredSheets);
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} else if (requiredSheets <= 29) {
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price = Math.ceil((12 + colorPrice) * requiredSheets);
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} else if (requiredSheets <= 39) {
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price = Math.ceil((11 + colorPrice) * requiredSheets);
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} else if (requiredSheets <= 49) {
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price = Math.ceil((10 + colorPrice) * requiredSheets);
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} else {
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price = Math.ceil((9 + colorPrice) * requiredSheets);
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}
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}
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if ("鑫灿".equals(plantName)) {
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// 设置起步价
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minPrice = 45;
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if ("双色".equals(dto.getCraftMo())) {
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minPrice = 55;
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moreColorPrice = 10;
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}
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if ("彩色(三色)".equals(dto.getCraftMo())) {
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minPrice = 105;
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moreColorPrice = 20;
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}
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colorPrice += moreColorPrice;
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// 根据数量计算基础价格
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if (requiredSheets <= 2) {
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price = minPrice + colorPrice;
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} else if (requiredSheets <= 9) {
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price = minPrice + (requiredSheets - 2) * (10 + colorPrice);
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} else if (requiredSheets <= 19) {
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price = Math.ceil((13 + colorPrice) * requiredSheets);
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} else if (requiredSheets <= 29) {
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price = Math.ceil((12 + colorPrice) * requiredSheets);
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} else if (requiredSheets <= 39) {
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price = Math.ceil((11 + colorPrice) * requiredSheets);
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} else if (requiredSheets <= 49) {
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price = Math.ceil((10 + colorPrice) * requiredSheets);
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} else if (requiredSheets <= 100) {
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price = Math.ceil((9 + colorPrice) * requiredSheets);
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} else {
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price = Math.ceil((8 + colorPrice) * requiredSheets);
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}
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}
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}
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if ("紫瑶".equals(plantName)) {
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paperLength = 170;
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paperWidth = 300;
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// 检查是否超出纸张尺寸限制
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if (!isWithinPaperSize(length, width, paperLength, paperWidth)) {
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return new PricingListVo(100, "出纸张尺寸限制"); // 返回空列表表示不适用
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}
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// 计算一张纸能容纳的最大金属标数量
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double maxItemsPerSheet = calculateMaxItemsPerSheet(length, width, paperLength, paperWidth);
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// 计算所需纸张数量
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requiredSheets = calculateRequiredSheets(count, number, maxItemsPerSheet);
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// 计算颜色附加费
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if (!"银色".equals(dto.getTcolor())) {
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colorPrice = 1;
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}
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// 设置起步价
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minPrice = 40;
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if ("单色".equals(dto.getCraftMo())) {
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if (requiredSheets == 1) {
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price = colorPrice == 1 ? 45 : 40;
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} else if (requiredSheets == 2) {
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price = colorPrice == 1 ? 55 : 50;
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} else if (requiredSheets == 3) {
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price = colorPrice == 1 ? 65 : 55;
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} else if (requiredSheets == 4) {
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price = colorPrice == 1 ? 70 : 60;
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} else if (requiredSheets == 5) {
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price = colorPrice == 1 ? 75 : 65;
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} else if (requiredSheets == 6) {
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price = colorPrice == 1 ? 80 : 70;
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} else {
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price = colorPrice == 1 ? 80 + (requiredSheets - 6) * 9 : 70 + (requiredSheets - 6) * 8;
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}
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}
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if ("双色".equals(dto.getCraftMo())) {
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minPrice = 60;
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moreColorPrice = 30;
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}
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if ("彩色(三色)".equals(dto.getCraftMo())) {
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minPrice = 70;
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moreColorPrice = 40;
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}
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if (price == 0) {
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price = Math.ceil(minPrice + moreColorPrice * (requiredSheets - 1));
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}
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}
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// 创建产品对象并添加到结果列表
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ProductVo pro = new ProductVo();
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pro.setPrice(price);
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pro.setCount(count);
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pro.setWeight(BigDecimal.valueOf(requiredSheets / 30).setScale(2, BigDecimal.ROUND_HALF_UP).toString());
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resultList.add(pro);
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return new PricingListVo(resultList);
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}
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/**
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* 将给定的尺寸转换为毫米，并在每边增加3毫米的边距
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*
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* @param size 需要转换的原始尺寸
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* @return 转换后的尺寸，单位为毫米，包括边距
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*/
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private double convertToMillimetersWithMargin(double size) {
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return size * 10 + 2 * 1.5; // 换成毫米，每边+3
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}
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/**
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* 检查给定的长度和宽度是否在纸张尺寸范围内
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*
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* @param length 需要检查的长度
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* @param width 需要检查的宽度
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* @param paperLength 纸张的长度
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* @param paperWidth 纸张的宽度
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* @return 如果给定尺寸在纸张尺寸范围内，则返回true；否则返回false
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*/
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private boolean isWithinPaperSize(double length, double width, double paperLength, double paperWidth) {
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return (length <= paperLength && width <= paperWidth) || (length <= paperWidth && width <= paperLength);
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}
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/**
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* 计算每张纸最多可以容纳的物品数量
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*
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* @param length 物品的长度
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* @param width 物品的宽度
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* @param paperLength 纸张的长度
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* @param paperWidth 纸张的宽度
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* @return 每张纸最多可以容纳的物品数量
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*/
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private double calculateMaxItemsPerSheet(double length, double width, double paperLength, double paperWidth) {
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return Math.max(
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Math.floor(paperLength / length) * Math.floor(paperWidth / width),
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Math.floor(paperLength / width) * Math.floor(paperWidth / length)
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);
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}
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/**
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* 计算完成指定数量的物品所需的纸张数量
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*
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* @param count 物品的总数量
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* @param number 每个物品需要的数量
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* @param maxItemsPerSheet 每张纸最多可以容纳的物品数量
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* @return 完成指定数量的物品所需的纸张数量
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*/
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private int calculateRequiredSheets(int count, int number, double maxItemsPerSheet) {
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return (int) Math.ceil((count * number) / maxItemsPerSheet);
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}
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}
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