2025选题|基于Hadoop的物品租赁系统的设计与实现

作者简介：Java领域优质创作者、CSDN博客专家、CSDN内容合伙人、掘金特邀作者、阿里云博客专家、51CTO特邀作者、多年架构师设计经验、多年校企合作经验，被多个学校常年聘为校外企业导师，指导学生毕业设计并参与学生毕业答辩指导，有较为丰富的相关经验。期待与各位高校教师、企业讲师以及同行交流合作

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文末获取源码

项目编号：BS-BD-016

一，环境介绍

语言环境：Java: jdk1.8

数据库：Mysql: mysql5.7

应用服务器：Tomcat: tomcat8.5.31

开发工具：IDEA或eclipse

开发技术：Hadoop+SpringBoot+Vue

二，项目简介

随着我国经济的高速发展与人们生活水平的日益提高，人们对生活质量的追求也多种多样。尤其在人们生活节奏不断加快的当下，人们更趋向于足不出户解决生活上的问题，物品租赁管理展现了其蓬勃生命力和广阔的前景。与此同时，为解决物品租赁管理需求，物品租赁管理发展愈发多元化与网络化，与电子信息技术相结合。物品租赁系统应运而生。

该系统基于Hadoop平台，利用Java语言、MySQL数据库，结合目前流行的 B/S架构，将物品租赁管理的各个方面都集中到数据库中，以便于用户的需要。在确保系统稳定的前提下，能够实现多功能模块的设计和应用。该系统由管理员功能模块和用户模块组成。不同角色的准入制度是有严格区别的。各功能模块的设计也便于以后的系统升级和维护。该系统采用了软件组件化、精化体系结构、分离逻辑和数据等方法。

近年来，物品租赁管理发展迅猛，在拥有广阔发展前景的同时，也面临着许许多多的问题。

我国线上管理起步晚，但发展快速，从业人员激增，多见于传统管理模式，管理体系不规范、不标准。且企业虽然多但规模普遍偏小，很难在市场形成有效的诚信经营的形象与品牌。

我国目前存在的物品租赁管理监管制度缺失、市场监管不规范等问题。由于缺乏专业人士的素质和服务品质的明确测量，导致物品租赁管理内部鱼龙混杂，难以获得顾客的信赖。

物品租赁系统是电子、信息技术相结合，是一种必然的发展趋势。以互联网为基础，以服务于广大用户为目的，发展整体优势，扩大规模，提升服务质量，提高物品租赁的管理效率。物品租赁系统实现了物品租赁管理向现代化和网络化的转型，为管理决策和控制提供保障，这是物品租赁管理发展中里程碑式的转型。

首先，要掌握有关系统的基本理论，如 Java技术、Hadoop平台、MySQL数据库等，并对其进行全面的分析。为了给系统打下坚实的技术基础，本系统采用了 MySQL数据库的架构，在开始这项工作前，首先要设计好要用到的数据库表。该系统的使用者有两类：管理员和用户，主要功能包括个人信息修改，对用户管理、公告类型管理、公告信息管理、物品类别管理、物品信息管理、物品租赁管理、物品归还管理、评价信息管理、物品出租管理、系统管理等功能。

三，系统展示

四，核心代码展示

package com.controller;import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.text.ParseException;
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.transaction.annotation.Transactional;
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.WupinchuzuEntity;
import com.entity.view.WupinchuzuView;import com.service.WupinchuzuService;
import com.service.TokenService;
import com.utils.PageUtils;
import com.utils.R;
import com.utils.MD5Util;
import com.utils.MPUtil;
import com.utils.CommonUtil;
import java.io.IOException;
import com.service.StoreupService;
import com.entity.StoreupEntity;/*** 物品出租* 后端接口* @author * @email * @date 2023-05-10 16:54:50*/
@RestController
@RequestMapping("/wupinchuzu")
public class WupinchuzuController {@Autowiredprivate WupinchuzuService wupinchuzuService;@Autowiredprivate StoreupService storeupService;/*** 后端列表*/@RequestMapping("/page")public R page(@RequestParam Map<String, Object> params,WupinchuzuEntity wupinchuzu,HttpServletRequest request){EntityWrapper<WupinchuzuEntity> ew = new EntityWrapper<WupinchuzuEntity>();PageUtils page = wupinchuzuService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, wupinchuzu), params), params));return R.ok().put("data", page);}/*** 前端列表*/@IgnoreAuth@RequestMapping("/list")public R list(@RequestParam Map<String, Object> params,WupinchuzuEntity wupinchuzu, HttpServletRequest request){EntityWrapper<WupinchuzuEntity> ew = new EntityWrapper<WupinchuzuEntity>();PageUtils page = wupinchuzuService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, wupinchuzu), params), params));return R.ok().put("data", page);}/*** 列表*/@RequestMapping("/lists")public R list( WupinchuzuEntity wupinchuzu){EntityWrapper<WupinchuzuEntity> ew = new EntityWrapper<WupinchuzuEntity>();ew.allEq(MPUtil.allEQMapPre( wupinchuzu, "wupinchuzu")); return R.ok().put("data", wupinchuzuService.selectListView(ew));}/*** 查询*/@RequestMapping("/query")public R query(WupinchuzuEntity wupinchuzu){EntityWrapper< WupinchuzuEntity> ew = new EntityWrapper< WupinchuzuEntity>();ew.allEq(MPUtil.allEQMapPre( wupinchuzu, "wupinchuzu")); WupinchuzuView wupinchuzuView =  wupinchuzuService.selectView(ew);return R.ok("查询物品出租成功").put("data", wupinchuzuView);}/*** 后端详情*/@RequestMapping("/info/{id}")public R info(@PathVariable("id") Long id){WupinchuzuEntity wupinchuzu = wupinchuzuService.selectById(id);wupinchuzu.setClicknum(wupinchuzu.getClicknum()+1);wupinchuzu.setClicktime(new Date());wupinchuzuService.updateById(wupinchuzu);return R.ok().put("data", wupinchuzu);}/*** 前端详情*/@IgnoreAuth@RequestMapping("/detail/{id}")public R detail(@PathVariable("id") Long id){WupinchuzuEntity wupinchuzu = wupinchuzuService.selectById(id);wupinchuzu.setClicknum(wupinchuzu.getClicknum()+1);wupinchuzu.setClicktime(new Date());wupinchuzuService.updateById(wupinchuzu);return R.ok().put("data", wupinchuzu);}/*** 后端保存*/@RequestMapping("/save")public R save(@RequestBody WupinchuzuEntity wupinchuzu, HttpServletRequest request){wupinchuzu.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());//ValidatorUtils.validateEntity(wupinchuzu);wupinchuzuService.insert(wupinchuzu);return R.ok();}/*** 前端保存*/@RequestMapping("/add")public R add(@RequestBody WupinchuzuEntity wupinchuzu, HttpServletRequest request){wupinchuzu.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());//ValidatorUtils.validateEntity(wupinchuzu);wupinchuzuService.insert(wupinchuzu);return R.ok();}/*** 修改*/@RequestMapping("/update")@Transactionalpublic R update(@RequestBody WupinchuzuEntity wupinchuzu, HttpServletRequest request){//ValidatorUtils.validateEntity(wupinchuzu);wupinchuzuService.updateById(wupinchuzu);//全部更新return R.ok();}/*** 删除*/@RequestMapping("/delete")public R delete(@RequestBody Long[] ids){wupinchuzuService.deleteBatchIds(Arrays.asList(ids));return R.ok();}/*** 前端智能排序*/@IgnoreAuth@RequestMapping("/autoSort")public R autoSort(@RequestParam Map<String, Object> params,WupinchuzuEntity wupinchuzu, HttpServletRequest request,String pre){EntityWrapper<WupinchuzuEntity> ew = new EntityWrapper<WupinchuzuEntity>();Map<String, Object> newMap = new HashMap<String, Object>();Map<String, Object> param = new HashMap<String, Object>();Iterator<Map.Entry<String, Object>> it = param.entrySet().iterator();while (it.hasNext()) {Map.Entry<String, Object> entry = it.next();String key = entry.getKey();String newKey = entry.getKey();if (pre.endsWith(".")) {newMap.put(pre + newKey, entry.getValue());} else if (StringUtils.isEmpty(pre)) {newMap.put(newKey, entry.getValue());} else {newMap.put(pre + "." + newKey, entry.getValue());}}params.put("sort", "clicknum");params.put("order", "desc");PageUtils page = wupinchuzuService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, wupinchuzu), params), params));return R.ok().put("data", page);}/*** （按值统计）*/@RequestMapping("/value/{xColumnName}/{yColumnName}")public R value(@PathVariable("yColumnName") String yColumnName, @PathVariable("xColumnName") String xColumnName,HttpServletRequest request) {Map<String, Object> params = new HashMap<String, Object>();params.put("xColumn", xColumnName);params.put("yColumn", yColumnName);EntityWrapper<WupinchuzuEntity> ew = new EntityWrapper<WupinchuzuEntity>();List<Map<String, Object>> result = wupinchuzuService.selectValue(params, ew);SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");for(Map<String, Object> m : result) {for(String k : m.keySet()) {if(m.get(k) instanceof Date) {m.put(k, sdf.format((Date)m.get(k)));}}}return R.ok().put("data", result);}/*** （按值统计(多)）*/@RequestMapping("/valueMul/{xColumnName}")public R valueMul(@PathVariable("xColumnName") String xColumnName,@RequestParam String yColumnNameMul, HttpServletRequest request) {String[] yColumnNames = yColumnNameMul.split(",");Map<String, Object> params = new HashMap<String, Object>();params.put("xColumn", xColumnName);List<List<Map<String, Object>>> result2 = new ArrayList<List<Map<String,Object>>>();SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");EntityWrapper<WupinchuzuEntity> ew = new EntityWrapper<WupinchuzuEntity>();for(int i=0;i<yColumnNames.length;i++) {params.put("yColumn", yColumnNames[i]);List<Map<String, Object>> result = wupinchuzuService.selectValue(params, ew);for(Map<String, Object> m : result) {for(String k : m.keySet()) {if(m.get(k) instanceof Date) {m.put(k, sdf.format((Date)m.get(k)));}}}result2.add(result);}return R.ok().put("data", result2);}/*** （按值统计）时间统计类型*/@RequestMapping("/value/{xColumnName}/{yColumnName}/{timeStatType}")public R valueDay(@PathVariable("yColumnName") String yColumnName, @PathVariable("xColumnName") String xColumnName, @PathVariable("timeStatType") String timeStatType,HttpServletRequest request) {Map<String, Object> params = new HashMap<String, Object>();params.put("xColumn", xColumnName);params.put("yColumn", yColumnName);params.put("timeStatType", timeStatType);EntityWrapper<WupinchuzuEntity> ew = new EntityWrapper<WupinchuzuEntity>();List<Map<String, Object>> result = wupinchuzuService.selectTimeStatValue(params, ew);SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");for(Map<String, Object> m : result) {for(String k : m.keySet()) {if(m.get(k) instanceof Date) {m.put(k, sdf.format((Date)m.get(k)));}}}return R.ok().put("data", result);}/*** （按值统计）时间统计类型(多)*/@RequestMapping("/valueMul/{xColumnName}/{timeStatType}")public R valueMulDay(@PathVariable("xColumnName") String xColumnName, @PathVariable("timeStatType") String timeStatType,@RequestParam String yColumnNameMul,HttpServletRequest request) {String[] yColumnNames = yColumnNameMul.split(",");Map<String, Object> params = new HashMap<String, Object>();params.put("xColumn", xColumnName);params.put("timeStatType", timeStatType);List<List<Map<String, Object>>> result2 = new ArrayList<List<Map<String,Object>>>();SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");EntityWrapper<WupinchuzuEntity> ew = new EntityWrapper<WupinchuzuEntity>();for(int i=0;i<yColumnNames.length;i++) {params.put("yColumn", yColumnNames[i]);List<Map<String, Object>> result = wupinchuzuService.selectTimeStatValue(params, ew);for(Map<String, Object> m : result) {for(String k : m.keySet()) {if(m.get(k) instanceof Date) {m.put(k, sdf.format((Date)m.get(k)));}}}result2.add(result);}return R.ok().put("data", result2);}/*** 分组统计*/@RequestMapping("/group/{columnName}")public R group(@PathVariable("columnName") String columnName,HttpServletRequest request) {Map<String, Object> params = new HashMap<String, Object>();params.put("column", columnName);EntityWrapper<WupinchuzuEntity> ew = new EntityWrapper<WupinchuzuEntity>();List<Map<String, Object>> result = wupinchuzuService.selectGroup(params, ew);SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");for(Map<String, Object> m : result) {for(String k : m.keySet()) {if(m.get(k) instanceof Date) {m.put(k, sdf.format((Date)m.get(k)));}}}return R.ok().put("data", result);}/*** 总数量*/@RequestMapping("/count")public R count(@RequestParam Map<String, Object> params,WupinchuzuEntity wupinchuzu, HttpServletRequest request){EntityWrapper<WupinchuzuEntity> ew = new EntityWrapper<WupinchuzuEntity>();int count = wupinchuzuService.selectCount(MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, wupinchuzu), params), params));return R.ok().put("data", count);}}