132 lines
2.8 KiB
Java
132 lines
2.8 KiB
Java
package com.example.building.dto;
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import javax.validation.constraints.NotBlank;
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import javax.validation.constraints.NotEmpty;
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import javax.validation.constraints.NotNull;
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import java.math.BigDecimal;
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import java.util.List;
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/**
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* 创建订单请求DTO
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* 核心业务逻辑：
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* 1. 计算订单原价(total_amount) = Σ(item.price × item.quantity)
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* 2. 计算优惠金额(discount_amount) = total_amount × (100 - discount_rate) / 100
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* 3. 计算实付金额(actual_amount) = total_amount - discount_amount
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*/
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public class CreateOrderRequest {
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/**
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* 客户ID
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*/
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private String customerId;
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/**
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* 订单明细
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*/
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@NotEmpty(message = "订单明细不能为空")
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private List<OrderItemDTO> items;
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/**
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* 折扣率(百分比), 默认100
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*/
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private BigDecimal discountRate;
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/**
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* 备注
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*/
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private String remark;
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/**
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* 支付方式
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*/
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private String paymentMethod;
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// Getters and Setters
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public String getCustomerId() {
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return customerId;
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}
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public void setCustomerId(String customerId) {
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this.customerId = customerId;
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}
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public List<OrderItemDTO> getItems() {
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return items;
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}
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public void setItems(List<OrderItemDTO> items) {
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this.items = items;
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}
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public BigDecimal getDiscountRate() {
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return discountRate;
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}
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public void setDiscountRate(BigDecimal discountRate) {
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this.discountRate = discountRate;
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}
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public String getRemark() {
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return remark;
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}
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public void setRemark(String remark) {
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this.remark = remark;
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}
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public String getPaymentMethod() {
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return paymentMethod;
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}
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public void setPaymentMethod(String paymentMethod) {
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this.paymentMethod = paymentMethod;
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}
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/**
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* 订单明细项DTO
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*/
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public static class OrderItemDTO {
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/**
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* 商品ID
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*/
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@NotBlank(message = "商品ID不能为空")
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private String productId;
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/**
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* 数量
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*/
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@NotNull(message = "数量不能为空")
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private Integer quantity;
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/**
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* 销售单价(用户可自定义)
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*/
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private BigDecimal price;
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// Getters and Setters
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public String getProductId() {
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return productId;
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}
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public void setProductId(String productId) {
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this.productId = productId;
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}
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public Integer getQuantity() {
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return quantity;
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}
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public void setQuantity(Integer quantity) {
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this.quantity = quantity;
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}
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public BigDecimal getPrice() {
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return price;
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}
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public void setPrice(BigDecimal price) {
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this.price = price;
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}
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}
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}
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