Initial commit: Car Maintenance Management System

Author: Yang Lu

School: Liaoning Institute of Science and Technology

Major: Computer Science and Technology

Class: BZ246

Tech Stack:

- Backend: Spring Boot 2.7.18 + JPA + MySQL

- Frontend: HTML5 + CSS3 + JavaScript

Features:

- User Management (Admin/Staff/Customer roles)

- Vehicle Archive Management

- Service Order Management

- Parts Inventory Management

- Online Appointment Service

- Data Statistics and Analysis

Generated with Claude Code

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

backend/src/main/java/com/carmaintenance/entity/ServiceOrder.java

@@ -0,0 +1,105 @@
+package com.carmaintenance.entity;
+
+import lombok.Data;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import javax.persistence.*;
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+/**
+ * 维保工单实体
+ */
+@Data
+@Entity
+@Table(name = "service_orders")
+@EntityListeners(AuditingEntityListener.class)
+public class ServiceOrder {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "order_id")
+    private Integer orderId;
+
+    @Column(name = "order_no", nullable = false, unique = true, length = 50)
+    private String orderNo;
+
+    @Column(name = "vehicle_id", nullable = false)
+    private Integer vehicleId;
+
+    @Column(name = "customer_id", nullable = false)
+    private Integer customerId;
+
+    @Enumerated(EnumType.STRING)
+    @Column(name = "service_type", nullable = false)
+    private ServiceType serviceType;
+
+    @Column(name = "appointment_time")
+    private LocalDateTime appointmentTime;
+
+    @Column(name = "arrival_time")
+    private LocalDateTime arrivalTime;
+
+    @Column(name = "start_time")
+    private LocalDateTime startTime;
+
+    @Column(name = "complete_time")
+    private LocalDateTime completeTime;
+
+    @Column(name = "staff_id")
+    private Integer staffId;
+
+    @Column(name = "current_mileage", precision = 10, scale = 2)
+    private BigDecimal currentMileage;
+
+    @Column(name = "fault_description", columnDefinition = "TEXT")
+    private String faultDescription;
+
+    @Column(name = "diagnosis_result", columnDefinition = "TEXT")
+    private String diagnosisResult;
+
+    @Column(name = "service_items", columnDefinition = "TEXT")
+    private String serviceItems;
+
+    @Column(name = "parts_cost", precision = 10, scale = 2)
+    private BigDecimal partsCost = BigDecimal.ZERO;
+
+    @Column(name = "labor_cost", precision = 10, scale = 2)
+    private BigDecimal laborCost = BigDecimal.ZERO;
+
+    @Column(name = "total_cost", precision = 10, scale = 2)
+    private BigDecimal totalCost = BigDecimal.ZERO;
+
+    @Enumerated(EnumType.STRING)
+    @Column(name = "status")
+    private OrderStatus status = OrderStatus.pending;
+
+    @Enumerated(EnumType.STRING)
+    @Column(name = "payment_status")
+    private PaymentStatus paymentStatus = PaymentStatus.unpaid;
+
+    @Column(name = "remark", columnDefinition = "TEXT")
+    private String remark;
+
+    @CreatedDate
+    @Column(name = "create_time", updatable = false)
+    private LocalDateTime createTime;
+
+    @LastModifiedDate
+    @Column(name = "update_time")
+    private LocalDateTime updateTime;
+
+    public enum ServiceType {
+        maintenance, repair, beauty, insurance
+    }
+
+    public enum OrderStatus {
+        pending, appointed, in_progress, completed, cancelled
+    }
+
+    public enum PaymentStatus {
+        unpaid, paid, refunded
+    }
+}