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/Vehicle.java

@@ -0,0 +1,75 @@
+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.LocalDate;
+import java.time.LocalDateTime;
+
+/**
+ * 车辆档案实体
+ */
+@Data
+@Entity
+@Table(name = "vehicles")
+@EntityListeners(AuditingEntityListener.class)
+public class Vehicle {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "vehicle_id")
+    private Integer vehicleId;
+
+    @Column(name = "customer_id", nullable = false)
+    private Integer customerId;
+
+    @Column(name = "license_plate", nullable = false, unique = true, length = 20)
+    private String licensePlate;
+
+    @Column(name = "brand", nullable = false, length = 50)
+    private String brand;
+
+    @Column(name = "model", nullable = false, length = 50)
+    private String model;
+
+    @Column(name = "color", length = 20)
+    private String color;
+
+    @Column(name = "vin", unique = true, length = 17)
+    private String vin;
+
+    @Column(name = "engine_no", length = 50)
+    private String engineNo;
+
+    @Column(name = "purchase_date")
+    private LocalDate purchaseDate;
+
+    @Column(name = "mileage", precision = 10, scale = 2)
+    private BigDecimal mileage = BigDecimal.ZERO;
+
+    @Column(name = "last_maintenance_date")
+    private LocalDate lastMaintenanceDate;
+
+    @Column(name = "next_maintenance_date")
+    private LocalDate nextMaintenanceDate;
+
+    @Enumerated(EnumType.STRING)
+    @Column(name = "status")
+    private VehicleStatus status = VehicleStatus.normal;
+
+    @CreatedDate
+    @Column(name = "create_time", updatable = false)
+    private LocalDateTime createTime;
+
+    @LastModifiedDate
+    @Column(name = "update_time")
+    private LocalDateTime updateTime;
+
+    public enum VehicleStatus {
+        normal, in_service, completed
+    }
+}