Sum Pooling在推荐系统中的实战应用:从基础原理到高效实现
2026/4/17 2:36:23
以下是对基于Java的同城汽车改装维修系统源码的深度剖析,涵盖技术架构、核心功能、关键代码及行业优势:
智能维修调度系统:
零部件智能管理:
汽车改装定制服务:
新能源维修支持:针对新能源车三电系统(电池、电机、电控)维修需求,系统内置专用检测流程与安全规范。技师通过手机APP扫描车辆VIN码自动获取维修手册与电路图,降低操作风险。
java
// 角色枚举定义 public enum Role { CUSTOMER, SHAREHOLDER, EMPLOYEE, ADMIN } // Spring Security权限配置 @Configuration @EnableWebSecurity public class SecurityConfig extends WebSecurityConfigurerAdapter { @Override protected void configure(HttpSecurity http) throws Exception { http.authorizeRequests() .antMatchers("/api/order/stats").hasRole("SHAREHOLDER") // 股东查看统计 .antMatchers("/api/repair/**").hasAnyRole("EMPLOYEE", "ADMIN") // 员工维修管理 .antMatchers("/api/vehicle/add").permitAll() // 客户车辆录入 .and() .apply(new JwtConfigurer(jwtTokenProvider)); } } // JWT令牌生成 public String generateToken(UserDetails userDetails) { Claims claims = Jwts.claims().setSubject(userDetails.getUsername()); claims.put("roles", userDetails.getAuthorities().stream() .map(GrantedAuthority::getAuthority) .collect(Collectors.toList())); return Jwts.builder() .setClaims(claims) .signWith(SignatureAlgorithm.HS512, secretKey) .compact(); }java
// 维修工单实体(状态驱动) @Data @TableName("repair_order") public class RepairOrder { public enum Status { PENDING, IN_PROGRESS, WAITING_PARTS, COMPLETED, CANCELED } @TableId(type = IdType.AUTO) private Long id; private String vehicleId; private Status status; private LocalDateTime appointmentTime; } // MyBatis Plus状态更新操作 public boolean updateOrderStatus(Long orderId, Status newStatus) { return new LambdaUpdateChainWrapper<>(repairOrderMapper) .eq(RepairOrder::getId, orderId) .set(RepairOrder::getStatus, newStatus) .update(); }html
<template> <div ref="chart" style="height:400px"></div> </template> <script> import * as echarts from 'echarts'; export default { mounted() { this.initChart(); }, methods: { async initChart() { const { data } = await this.$http.get('/api/order/stats'); const chart = echarts.init(this.$refs.chart); chart.setOption({ tooltip: { trigger: 'axis' }, xAxis: { data: data.months }, yAxis: { type: 'value' }, series: [{ name: '维修订单', type: 'bar', data: data.orderCounts }] }); } } } </script>