Java|Java 实战项目锤炼之小区物业管理系统的实现流程 Java实战项目锤炼之小区物业管

一、项目简述功能包括：分为管理员及普通业主角色，业主信息，社区房屋，维护管理，社区车辆，社区投诉，社区缴费，社区业务信息维护等等功能。
二、项目运行 【Java|Java 实战项目锤炼之小区物业管理系统的实现流程】环境配置： Jdk1.8 + Tomcat8.5 + mysql + Eclispe (IntelliJ IDEA,Eclispe,MyEclispe,Sts 都支持)
项目技术： JSP +Spring + SpringMVC + MyBatis + html+ css + JavaScript + JQuery + Ajax + maven等等。

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小区物业管理系统验证码代码：

/** * * Description: 验证码生成器 */public class Captcha { private static char mapTable[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4', '5','6', '7', '8', '9' }; public static Map getImageCode(int width, int height, OutputStream os) {Map returnMap = new HashMap(); if (width <= 0)width = 60; if (height <= 0)height = 20; BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); // 获取图形上下文Graphics g = image.getGraphics(); // 生成随机类Random random = new Random(); // 设定背景色g.setColor(getRandColor(200, 250)); g.fillRect(0, 0, width, height); // 设定字体g.setFont(new Font("Times New Roman", Font.PLAIN, 18)); // 随机产生168条干扰线，使图象中的认证码不易被其它程序探测到g.setColor(getRandColor(160, 200)); for (int i = 0; i < 168; i++) {int x = random.nextInt(width); int y = random.nextInt(height); int xl = random.nextInt(12); int yl = random.nextInt(12); g.drawLine(x, y, x + xl, y + yl); }// 取随机产生的码String strEnsure = ""; // 4代表4位验证码,如果要生成更多位的认证码,则加大数值for (int i = 0; i < 4; ++i) {strEnsure += mapTable[(int) (mapTable.length * Math.random())]; // 将认证码显示到图象中g.setColor(new Color(20 + random.nextInt(110), 20 + random.nextInt(110), 20 + random.nextInt(110))); // 直接生成String str = strEnsure.substring(i, i + 1); // 设置随便码在背景图图片上的位置g.drawString(str, 13 * i + 20, 25); }// 释放图形上下文g.dispose(); returnMap.put("image", image); returnMap.put("strEnsure", strEnsure); return returnMap; } // 给定范围获得随机颜色 static Color getRandColor(int fc, int bc) {Random random = new Random(); if (fc > 255)fc = 255; if (bc > 255)bc = 255; int r = fc + random.nextInt(bc - fc); int g = fc + random.nextInt(bc - fc); int b = fc + random.nextInt(bc - fc); return new Color(r, g, b); }}

小区物业管理系统业主投诉代码：

@Controllerpublic class ComplainController { @Autowired ComplainService complainService; ComplainExample complainExample = new ComplainExample() ; @RequestMapping("/main") public String test() {return "main"; } /*** 全部投诉信息*/ @RequestMapping("/complain") public String complain(Model model) {List list =complainService.findAll(); model.addAttribute("complainlist", list); return "complain"; } /*** 业主跳转添加投诉页面*/ @RequestMapping("/addcomplaint") public String addcomplaint() {return "addonecomplain"; } /*** 添加投诉到数据库*/ @RequestMapping("/savecomplain") public String savecomplain(Complain complain) {SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH-mm-ss"); Date date = new Date(); String d = format.format(date); complain.setStatedate(d); complainService.addOne(complain); return "addonecomplain"; } /*** 分类投诉信息*/ @RequestMapping("/complainstate") public String complainstate(Model model,String state) {List list =complainService.findByState(state); model.addAttribute("complainlist", list); return "complain"; } /*** 查询投诉信息*/ @RequestMapping("/mycomplaint") public String mycomplaint(Model model,HttpSession session) {System.out.println("mycomplaint:"+(int)session.getAttribute("owneruid")); List list = complainService.findByOid((int) session.getAttribute("owneruid")); model.addAttribute("mycomplaintlist", list); return "mycomplaint"; } @RequestMapping("/test") public String test1() {return "test"; }}

未缴费账单控制器代码：

/** * @category 未缴费账单控制器 * */@Controllerpublic class BillController { @Autowired private BillService billService; @Autowired private BillitemsService bitemService; @Autowired private OwnerService oService; private SimpleDateFormat cx = new SimpleDateFormat("yyyy-MM-dd"); /*** @category 跳转至业主未缴费展示页面* @param model* @return*/ @RequestMapping("/unpay") public String unpay(Model model) {// SimpleDateFormat cx = new SimpleDateFormat("yyyy-MM-dd"); String start = "2010-01-01"; String stop = cx.format(new Date()); List list = billService.findByOwner(); model.addAttribute("list", list); model.addAttribute("start", start); model.addAttribute("stop", stop); model.addAttribute("inputname", "请输入姓名"); return "unpay"; } /*** @category 通过给定时间范围展示和业主模糊姓名联合查询缴费信息* @param model* @param request* @return* @throws ParseException*/ @RequestMapping("/unpaytime") public String unpayByTime(Model model, HttpServletRequest request, HttpSession session) throws ParseException {// 获取分页参数设置每页展示的个数int pageSize = (int) session.getAttribute("pageSize"); // 获取分页参数设置传进来的页码是多少int pageNum = (int) session.getAttribute("pageNum"); // 将字符串转换为日期对象Date start = cx.parse(request.getParameter("start")); Date stop = cx.parse(request.getParameter("stop")); // System.out.println(request.getParameter("start")); String name = request.getParameter("username"); // System.out.println(name); // 账单的时间用于和stop和start比较Date billdate; // 开始时间戳long startTime = start.getTime(); // 结束时间戳long stopTime = stop.getTime(); long billtime; // 用该list给owner对象的billlist设值List billlist = new ArrayList<>(); // 查找所有List list1 = billService.findByOwner(); List list = new ArrayList<>(); // 生成要返回的listfor (int i = 0; i < list1.size(); i++) {double total = 0; // 循环遍历得到的所有owner对象for (int j = 0; j < list1.get(i).getBill().size(); j++) {//获得owner单个订单的时间戳billdate = cx.parse(list1.get(i).getBill().get(j).getBilltime()); billtime = billdate.getTime(); //判断订单的时间戳是否在指定的范围内，并且该owner的姓名要包含指定的字符串try {if (billtime >= startTime && billtime <= stopTime && list1.get(i).getOname().contains(name)) {// 如果满足上述条件，则将该条订单信息添加到billlist中billlist.add(list1.get(i).getBill().get(j)); // 计算总价total += list1.get(i).getBill().get(j).getBillitem().getBillitemmoney(); }} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace(); }}// 如果该业主有未缴纳的账单，给该业主对象设置未缴纳账单，并将该对象放入要传给前端的list中if (billlist.size() > 0) {list1.get(i).setTotal(total); list1.get(i).setBill(billlist); list.add(list1.get(i)); }// 这里不能使用clear() 用list.clear()方法清空list；用此方法，其它引用该list的值也会变成空。billlist = new ArrayList<>(); }if (list.size() < 1) { model.addAttribute("nolist", "没有查到相关信息呦，请您重新输入查询条件"); }// 计算查询总数double listnum = list.size(); int totalnum = (int) Math.ceil(listnum / pageSize); List list2 = FyResult.getOwnerList(pageSize, pageNum, list, "f"); // System.out.println(list.size()); session.setAttribute("start", request.getParameter("start")); session.setAttribute("stop", request.getParameter("stop")); model.addAttribute("list", list2); model.addAttribute("name", name); model.addAttribute("totalnum", totalnum); session.setAttribute("pageSize", pageSize); session.setAttribute("pageNum", pageNum); session.setAttribute("findList", list); return "unpay"; } /*** @category 收费项目管理界面* @param model* @return*/ @RequestMapping("/sfmanage") public String shoufeiguanli(Model model) {BillitemsExample example = new BillitemsExample(); List list = bitemService.selectByExample(example); model.addAttribute("list", list); return "sfmanage"; } /*** @category 添加新的收费项目* @param model* @param billitem* @return*/ @RequestMapping("/addbillitem") public String addbillitem(Model model, Billitems billitem) {// 判断添加的收费项目是否为一次性收费if (billitem.getBillitemtype().equals("一次性")) {Date d = new Date(); // 生成一次性收费的时间// SimpleDateFormat itemtime = new SimpleDateFormat("yyyy-MM-dd"); String time = cx.format(d); billitem.setBillitemtime(time); // 添加到数据库bitemService.insert(billitem); // 从数据库查刚刚添加的收费项目Billitems item = bitemService.selectByNameAndTime(billitem.getBillitemname(), time); // 给所有的业主添加这个费用收费List olist = oService.selectByExample(); int[] all = new int[olist.size()]; // 给数组all赋值业主的idfor (int i = 0; i < all.length; i++) {all[i] = olist.get(i).getOid(); }Bill bill = new Bill(); bill.setBillitemid(item.getBillitemid()); bill.setPaystatus("未缴纳"); bill.setBilltime(time); for (int i = 0; i < all.length; i++) {bill.setUid(all[i]); billService.addBill(bill); }return "redirect:sfmanage.action"; }bitemService.insert(billitem); return "redirect:sfmanage.action"; } /*** @category 搜索后展示缴费* @param model* @param request* @return*/ @RequestMapping("/showbyname") public String showbyname(Model model, HttpServletRequest request, HttpSession session) {int pageSize = (int) session.getAttribute("pageSize"); int pageNum = (int) session.getAttribute("pageNum"); String name = request.getParameter("username"); // System.out.println(name); List list1 = billService.findByOwner(); List list2 = FyResult.getOwnerList(pageSize, pageNum, list1, "f"); // System.out.println(list1.size()); List list = new ArrayList<>(); for (int i = 0; i < list2.size(); i++) {// System.out.println(list1.get(i).getOname()); if (list1.get(i).getOname().contains(name)) { list.add(list1.get(i)); }}double listnum = list1.size(); int totalnum = (int) Math.ceil(listnum / pageSize); session.setAttribute("findList", list); session.setAttribute("pageSize", pageSize); session.setAttribute("pageNum", pageNum); model.addAttribute("list", list); model.addAttribute("inputname", name); model.addAttribute("totalnum", totalnum); return "unpay"; } /*** @category ajax搜索* @param name* @return*/ @RequestMapping("/showname") public @ResponseBody List showname(String name) {System.out.println("进来了"); List list1 = oService.selectByExample(); List list = new ArrayList<>(); for (int i = 0; i < list1.size(); i++) {if (list1.get(i).getOname().contains(name)) { list.add(list1.get(i)); }}return list; } @SuppressWarnings("unchecked") @RequestMapping("/unpayfy") public String unpayfy(Model model, HttpSession session, int pageSize, int pageNum, String type,HttpServletRequest request) {System.out.println(pageNum); String stop; String start; // SimpleDateFormat cx = new SimpleDateFormat("yyyy-MM-dd"); if (session.getAttribute("stop") != null) {stop = (String) session.getAttribute("stop"); } else {stop = cx.format(new Date()); }if (session.getAttribute("start") != null) {start = (String) session.getAttribute("start"); } else {start = "2010-01-01"; } List list1 = new ArrayList<>(); if (session.getAttribute("findList") != null) { list1 = (List) session.getAttribute("findList"); } else {list1 = billService.findByOwner(); }double listnum = list1.size(); int totalnum = (int) Math.ceil(listnum / pageSize); List list = FyResult.getOwnerList(pageSize, pageNum, list1, type); if (type.equals("z")) { ++pageNum; if (pageNum > totalnum) {pageNum = totalnum; }}if (type.equals("j")) { --pageNum; if (pageNum < 1) { pageNum = 1; }}if(type.equals("f")) {if(pageNum<1) {pageNum=1; }if(pageNum>totalnum) {pageNum = totalnum; }}model.addAttribute("list", list); session.setAttribute("stop", stop); session.setAttribute("start", start); session.setAttribute("pageSize", pageSize); session.setAttribute("pageNum", pageNum); model.addAttribute("totalnum", totalnum); return "unpay"; } }

房间处理器：

/** * @category 房间处理器 * */@Controllerpublic class HouseController { @Autowired private HouseNumberService hService; /*** @category 通过传入参数展示相应的房屋信息* @param type* @param model* @return*/ @RequestMapping("/showhouse") public String showhouse(@RequestParam ("type") String type,Model model) {System.out.println(type); HousenumberExample example=new HousenumberExample(); List list=hService.selectByExample(example); List list1=new ArrayList(); if(type.equals("a")) {model.addAttribute("list", list); model.addAttribute("can", "a"); return"house"; }else if(type.equals("x")) {for (int i = 0; i < list.size(); i++) {if(list.get(i).getStatus().equals("闲置")) {list1.add(list.get(i)); }}model.addAttribute("can", "x"); model.addAttribute("list", list1); return"house"; }else if(type.equals("y")) {for (int i = 0; i < list.size(); i++) {if(list.get(i).getStatus().equals("已出售")) {list1.add(list.get(i)); }}model.addAttribute("can", "y"); model.addAttribute("list", list1); return"house"; } return "mian"; } /*** @category 跳转到更新房屋信息页面* @param model* @param homeid* @return*/ @RequestMapping("/updatehouse") public String updatehouse(Model model,@RequestParam ("homeid") int homeid) {Housenumber house=hService.selectByPrimaryKey(homeid); model.addAttribute("house", house); return "updatehouse"; } /*** @category 跟新房屋信息* @param model* @param house* @return*/ @RequestMapping("/updatehouse1") public String updatehouse1(Model model, Housenumber house) {String type=house.getStatus(); if(type.equals("闲置")) {type="x"; }else if(type.equals("已出售")) {type="y"; }System.out.println(house.getStatus()); hService.updateByPrimaryKeySelective(house); model.addAttribute("house", house); return "redirect:showhouse.action?type="+type; } /*** @category 添加新的闲置房屋* @param model* @param house* @return*/ @RequestMapping("/addhouse") public String addhouse(Model model,Housenumber house) {house.setSaleprice(0); hService.insert(house); return "redirect:showhouse.action?type=a"; } }

工作提出意见或建议页面：