Java项目-基于springboot框架的校园在线拍卖系统项目实战(附源码+文档)

作者：计算机学长阿伟
开发技术：SpringBoot、SSM、Vue、MySQL、ElementUI等，“文末源码”。

开发运行环境

开发语言：Java
数据库：MySQL
技术：SpringBoot、Vue、Mybaits Plus、ELementUI
工具：IDEA/Ecilpse、Navicat、Maven

源码下载地址：

Java项目-基于springboot框架的校园在线拍卖系统项目实战(附源码+文档)资源-CSDN文库

一、项目简介

校园在线拍卖系统是一个为校园用户提供便捷拍卖服务的在线平台。系统界面设计简洁明了，以蓝色和灰色为主色调，营造出专业且现代的氛围。顶部导航栏提供了五个主要功能按钮，方便用户快速访问和操作。用户可以浏览竞拍商品、获取拍卖资讯、在线留言交流、管理个人中心和访问后台管理系统。该系统旨在打造一个安全、可靠、透明的校园拍卖环境，满足用户的各种拍卖需求。

三、系统项目部分截图

3.1后台系统部分页面效果

3.1.1管理员

3.1.2拍卖者

3.1.3用户

3.2前台系统部分页面效果

四、部分核心代码

package com.interceptor;import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;
import com.alibaba.fastjson.JSONObject;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.http.HttpStatus;import com.annotation.IgnoreAuth;
import com.entity.EIException;
import com.entity.TokenEntity;
import com.service.TokenService;
import com.utils.R;/*** 权限(Token)验证*/
@Component
public class AuthorizationInterceptor implements HandlerInterceptor {public static final String LOGIN_TOKEN_KEY = "Token";@Autowiredprivate TokenService tokenService;@Overridepublic boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {//支持跨域请求response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");response.setHeader("Access-Control-Max-Age", "3600");response.setHeader("Access-Control-Allow-Credentials", "true");response.setHeader("Access-Control-Allow-Headers", "x-requested-with,request-source,Token, Origin,imgType, Content-Type, cache-control,postman-token,Cookie, Accept,authorization");response.setHeader("Access-Control-Allow-Origin", request.getHeader("Origin"));// 跨域时会首先发送一个OPTIONS请求，这里我们给OPTIONS请求直接返回正常状态if (request.getMethod().equals(RequestMethod.OPTIONS.name())) {response.setStatus(HttpStatus.OK.value());return false;}IgnoreAuth annotation;if (handler instanceof HandlerMethod) {annotation = ((HandlerMethod) handler).getMethodAnnotation(IgnoreAuth.class);} else {return true;}//从header中获取tokenString token = request.getHeader(LOGIN_TOKEN_KEY);/*** 不需要验证权限的方法直接放过*/if(annotation!=null) {return true;}TokenEntity tokenEntity = null;if(StringUtils.isNotBlank(token)) {tokenEntity = tokenService.getTokenEntity(token);}if(tokenEntity != null) {request.getSession().setAttribute("userId", tokenEntity.getUserid());request.getSession().setAttribute("role", tokenEntity.getRole());request.getSession().setAttribute("tableName", tokenEntity.getTablename());request.getSession().setAttribute("username", tokenEntity.getUsername());return true;}PrintWriter writer = null;response.setCharacterEncoding("UTF-8");response.setContentType("application/json; charset=utf-8");try {writer = response.getWriter();writer.print(JSONObject.toJSONString(R.error(401, "请先登录")));} finally {if(writer != null){writer.close();}}
//				throw new EIException("请先登录", 401);return false;}
}