项目介绍
我们通过java语言，后端springboot框架，数据库mysql，前端vue技术，开发本系统，校园闲置物品交易网站系统中的功能模块主要是实现管理员；首页、个人中心、用户管理、商品类型管理、商品信息管理、系统管理、订单管理，用户：首页、个人中心、商品信息管理、我的收藏管理、订单管理。前台首页：首页、商品信息、商品资讯、个人中心、后台管理、购物车等功能。经过认真细致的研究，精心准备和规划，最后测试成功，系统可以正常使用。分析功能调整与校园闲置物品交易网站实现的实际需求相结合，讨论了Java语言开发校园闲置物品交易网站的使用。
开发环境
开发语言：Java
数据库 ：MySQL
系统架构：B/S
后端框架：SpringBoot
前端框架：Vue
开发工具：IDEA或者Eclipse，JDK1.8，Maven
系统截图
部分代码
package com.controller;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Date;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import com.utils.ValidatorUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.mapper.Wrapper;
import com.annotation.IgnoreAuth;
import com.entity.CartEntity;
import com.entity.view.CartView;
import com.service.CartService;
import com.service.TokenService;
import com.utils.PageUtils;
import com.utils.R;
import com.utils.MD5Util;
import com.utils.MPUtil;
import com.utils.CommonUtil;
/**
-
购物车表
-
后端接口
*/
@RestController
@RequestMapping(“/cart”)
public class CartController {
@Autowired
private CartService cartService;/**
-
后端列表
*/
@RequestMapping(“/page”)
public R page(@RequestParam Map<String, Object> params,CartEntity cart,
HttpServletRequest request){
if(!request.getSession().getAttribute(“role”).toString().equals(“管理员”)) {
cart.setUserid((Long)request.getSession().getAttribute(“userId”));
}
EntityWrapper ew = new EntityWrapper();
PageUtils page = cartService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, cart), params), params));return R.ok().put(“data”, page);
}
/**
- 前端列表
*/
@RequestMapping(“/list”)
public R list(@RequestParam Map<String, Object> params,CartEntity cart, HttpServletRequest request){
EntityWrapper ew = new EntityWrapper();
PageUtils page = cartService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, cart), params), params));
return R.ok().put(“data”, page);
}
/**
- 列表
*/
@RequestMapping(“/lists”)
public R list( CartEntity cart){
EntityWrapper ew = new EntityWrapper();
ew.allEq(MPUtil.allEQMapPre( cart, “cart”));
return R.ok().put(“data”, cartService.selectListView(ew));
}
/**
- 查询
*/
@RequestMapping(“/query”)
public R query(CartEntity cart){
EntityWrapper< CartEntity> ew = new EntityWrapper< CartEntity>();
ew.allEq(MPUtil.allEQMapPre( cart, “cart”));
CartView cartView = cartService.selectView(ew);
return R.ok(“查询购物车表成功”).put(“data”, cartView);
}
/**
- 后端详情
*/
@RequestMapping(“/info/{id}”)
public R info(@PathVariable(“id”) Long id){
CartEntity cart = cartService.selectById(id);
return R.ok().put(“data”, cart);
}
/**
- 前端详情
*/
@RequestMapping(“/detail/{id}”)
public R detail(@PathVariable(“id”) Long id){
CartEntity cart = cartService.selectById(id);
return R.ok().put(“data”, cart);
}
/**
- 后端保存
*/
@RequestMapping(“/save”)
public R save(@RequestBody CartEntity cart, HttpServletRequest request){
cart.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());
//ValidatorUtils.validateEntity(cart);
cart.setUserid((Long)request.getSession().getAttribute(“userId”));
cartService.insert(cart);
return R.ok();
}
/**
- 前端保存
*/
@RequestMapping(“/add”)
public R add(@RequestBody CartEntity cart, HttpServletRequest request){
cart.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());
//ValidatorUtils.validateEntity(cart);
cartService.insert(cart);
return R.ok();
}
/**
- 修改
*/
@RequestMapping(“/update”)
public R update(@RequestBody CartEntity cart, HttpServletRequest request){
//ValidatorUtils.validateEntity(cart);
cartService.updateById(cart);//全部更新
return R.ok();
}
/**
- 删除
*/
@RequestMapping(“/delete”)
public R delete(@RequestBody Long[] ids){
cartService.deleteBatchIds(Arrays.asList(ids));
return R.ok();
}
/**
-
提醒接口
*/
@RequestMapping(“/remind/{columnName}/{type}”)
public R remindCount(@PathVariable(“columnName”) String columnName, HttpServletRequest request,
@PathVariable(“type”) String type,@RequestParam Map<String, Object> map) {
map.put(“column”, columnName);
map.put(“type”, type);if(type.equals(“2”)) {
SimpleDateFormat sdf = new SimpleDateFormat(“yyyy-MM-dd”);
Calendar c = Calendar.getInstance();
Date remindStartDate = null;
Date remindEndDate = null;
if(map.get(“remindstart”)!=null) {
Integer remindStart = Integer.parseInt(map.get(“remindstart”).toString());
c.setTime(new Date());
c.add(Calendar.DAY_OF_MONTH,remindStart);
remindStartDate = c.getTime();
map.put(“remindstart”, sdf.format(remindStartDate));
}
if(map.get(“remindend”)!=null) {
Integer remindEnd = Integer.parseInt(map.get(“remindend”).toString());
c.setTime(new Date());
c.add(Calendar.DAY_OF_MONTH,remindEnd);
remindEndDate = c.getTime();
map.put(“remindend”, sdf.format(remindEndDate));
}
}Wrapper wrapper = new EntityWrapper();
if(map.get(“remindstart”)!=null) {
wrapper.ge(columnName, map.get(“remindstart”));
}
if(map.get(“remindend”)!=null) {
wrapper.le(columnName, map.get(“remindend”));
}
if(!request.getSession().getAttribute(“role”).toString().equals(“管理员”)) {
wrapper.eq(“userid”, (Long)request.getSession().getAttribute(“userId”));
}int count = cartService.selectCount(wrapper);
return R.ok().put(“count”, count);
}
-
}
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