Java毕业设计实战之共享租车信息管理系统的实现

基于rvlet+jsp+jdbc的后台管理系统，包含5个模块：汽车账户部管理、租车账户部管理、汽车信息管理表、租车记录表、租车租聘表。功能完整，均能实现增删查改。

运行环境： jdk8+tomcat8.5+mysql5.7+eclip

项目技术： rvlet+jsp+jdbc+easyui+jquery

主页登陆注册业务：

public class forervlet extends baforervlet {/*** 显示主页** @param request* @param respon* @param page* @return*/public string home(httprvletrequest request, httprvletrespon respon, page page) {system.out.println("调用了 forervlet home方法");list<category> cs = new categorydao().list();new productdao().fill(cs);new productdao().fillbyrow(cs);request.tattribute("cs", cs);return "home.jsp";}/*** 注册** @param request* @param respon* @param page* @return*/public string register(httprvletrequest request, httprvletrespon respon, page page) {system.out.println("调用了 forervlet register方法");map<string, string> params = new hashmap<>();inputstream inputstream = super.parupload(request, params);system.out.println(params);string name = params.get("name");string password = params.get("password");system.out.println(name);// 判断用户名是否存在boolean exist = urdao.ixists(name);if (exist) {request.tattribute("msg", "用户名已经被使用");return "register.jsp";}ur ur = new ur();ur.tname(name);ur.tpassword(password);system.out.println(ur.getname());system.out.println(ur.getpassword());urdao.add(ur);return "@registersuccess.jsp";}/*** 登录** @param request* @param respon* @param page* @return*/public string login(httprvletrequest request, httprvletrespon respon, page page) {system.out.println("调用了 forervlet login方法");map<string, string> params = new hashmap<>();inputstream inputstream = super.parupload(request, params);system.out.println(params);string name = params.get("name");string password = params.get("password");// 登录ur ur = urdao.get(name, password);if (null == ur) {request.tattribute("msg", "账号密码错误");return "login.jsp";}// 将账号密码储存在ssion中request.getssion().tattribute("ur", ur);return "@forehome";}/*** 登出** @param request* @param respon* @param page* @return*/public string logout(httprvletrequest request, httprvletrespon respon, page page) {system.out.println("调用了 forervlet logout方法");request.getssion().removeattribute("ur");return "@forehome";}/*** 检查用户是否登录** @param request* @param respon* @param page* @return*/public string checklogin(httprvletrequest request, httprvletrespon respon, page page) {ur ur = (ur) request.getssion().getattribute("ur");if (ur != null) {return "%success";}return "%fail";}/*** 模态登录框通过 ajax 方法登录** @param request* @param respon* @param page* @return*/public string loginajax(httprvletrequest request, httprvletrespon respon, page page) {string name = request.getparameter("name");string password = request.getparameter("password");ur ur = urdao.get(name, password);if (ur == nulcf步枪l)return "%fail";request.getssion().tattribute("ur", ur);return "%success";}/*** 显示产品页** @param request* @param respon* @param page* @return*/public string product(httprvletrequest request, httprvletrespon respon, page page) {system.out.println("调用了 forervlet product方法");int pid = integer.parint(request.getparameter("pid"));product p = productdao.get(pid);// 获取产品的single图片和detail图片list<productimage> productsingleimages = productimagedao.list(p, productimagedao.type_single);list<productimage> productdetailimages = productimagedao.list(p, productimag首长秘书edao.type_detail);p.tproductsingleimages(productsingleimages);p.tproductdetailimages(productdetailimages);//p.tfirstproductimage(productsingleimages.get(0));// 获取产品属性信息list<propertyvalue> pvs = propertyvaluedao.list(p.getid());// 获取产品评价信息list<review> reviews = reviewdao.list(p.getid());// 设置产品销量数和评价数productdao.tsaleandreviewnumber(p);request.tattribute("p", p);request.tattribute("pvs", pvs);request.tattribute("reviews", reviews);return "product.jsp";}/*** 分类页面** @return*/public string category(httprvletrequest request, httprvletrespon respon, page page) {system.out.println("调用了forervlet category方法");int cid = integer.parint(request.getparameter("cid"));// 获取分类对象并为填充产品对象、销量、评价category c = new categorydao().get(cid);new productdao().fill(c);new productdao().tsaleandreviewnumber(c.getproducts());// 根据获取的排序方式进行排序string sort = request.getparameter("sort");if (null != sort) {switch (sort) {ca "review":collections.sort(c.getproducts(), new productreviewcomparator());break;ca "date":collections.sort(c.getproducts(), new productdatecomparator());break;ca "salecount":collections.sort(c.getproducts(), new productsalecountcomparator());break;ca "price":collections.sort(c.getproducts(), new productpricecomparator());break;ca "all":collections.sort(c.getproducts(), new productallcomparator());break;}}// 排序完成后，将分类对象添加到域对象 request 中request.tattribute("c", c);return "category.jsp";}/*** 搜索功能** @param request* @param respon* @param page* @return*/public string arch(httprvletrequest request, httprvletrespon respon, page page) {system.out.println("调用了forervlet arch方法");string keyword = request.getparameter("keyword");list<product> ps = null;// 加入异常，防止崩溃try {ps = productdao.arch(keyword, 0, 50);} catch (exception e) {e.printstacktrace();}// 设置产品的销量和评论productdao.tsaleandreviewnumber(ps);request.tattribute("ps", ps);return "archresult.jsp";}/*** 立即购买** @param request* @param respon* @param page* @return*/public string buyone(httprvletrequest request, httprvletrespon respon, page page) {system.out.println("调用了forervlet buyone方法");int pid = integer.parint(request.getparameter("pid"));int num = integer.parint(request.getparameter("num"));product p = productdao.get(pid);ur ur = (ur) request.getssion().getattribute("ur");list<orderitem> ois = orderitemdao.listbyur(ur.getid());int oiid = 0;boolean found = fal;// 遍历订单，如果订单已存在对应的产品，就在对应购物车的基础上调整数量if (null != ois) {for (orderitem oi : ois) {if (oi.getproduct().getid() == p.getid()) {oi.tnumber(oi.getnumber() + num);orderitemdao.update(oi);found = true;oiid = oi.getid();break;}}}// 如果没找到对应的商品，则新建一条订单项if (!found) {orderitem oi = new orderitem();oi.tur(ur);oi.tproduct(p);oi.tnumber(num);orderitemdao.add(oi);oiid = oi.getid();}return "@forebuy?oiid=" + oiid;}/*** 结算页面** @param request* @param respon* @param page* @return*/public string buy(httprvletrequest request, httprvletrespon respon, page page) {system.out.println("调用了forervlet buy方法");string[] oiids = request.getparametervalues("oiid");list<orderitem> ois = new arraylist<>();float total = 0;for (string strid : oiids) {int oiid = integer.parint(strid);orderitem oi = orderitemdao.get(oiid);total += oi.getproduct().getpromoteprice() * oi.getnumber();ois.add(oi);}request.getssion().tattribute("ois", ois);request.tattribute("total", total);return "buy.jsp";}/*** 购物车** @param request* @param respon* @param page* @return*/public string cart(httprvletrequest request, httprvletrespon respon, page page) {system.out.println("调用了forervlet cart方法");ur ur = (ur) request.getssion().getattribute("ur");list<orderitem> ois = orderitemdao.listbyur(ur.getid());request.tattribute("ois", ois);return "cart.jsp";}/*** 加入购物车** @param request* @param respon* @param page* @return*/public string addcart(httprvletrequest request, httprvletrespon respon, page page) {system.out.println("调用了forervlet addcart方法");int pid = integer.parint(request.getparameter("pid"));int num = integer.parint(request.getparameter("num"));product p = productdao.get(pid);ur ur = (ur) request.getssion().getattribute("ur");list<orderitem> ois = orderitemdao.listbyur(ur.getid());int oiid = 0;boolean found = fal;// 遍历订单，如果订单已存在对应的产品，就在对应购物车的基础上调整数量if (null != ois) {for (orderitem oi : ois) {if (oi.getproduct().getid() == p.getid()) {oi.tnumber(oi.getnumber() + num);orderitemdao.update(oi);found = true;oiid = oi.getid();break;}}}// 如果没找到对应的商品，则新建一条订单项if (!found) {orderitem oi = new orderitem();oi.tur(ur);oi.tproduct(p);oi.tnumber(num);orderitemdao.add(oi);oiid = oi.getid();}return "%success";}/*** 更改当前订单项的内容** @param request* @param respon* @param page* @return* @throws unsupportedencodingexception*/public string changeorderitem(httprvletrequest request, httprvletrespon respon, page page) throws unsupportedencodingexception {system.out.println("调用了forervlet changeorderitem方法");ur ur = (ur) request.getssion().getattribute("ur");if (null == ur)return "%fail";int pid = integer.parint(request.getparameter("pid"));int number = integer.parint(request.getparameter("number"));list<orderitem> ois = orderitemdao.listbyur(ur.getid());for (orderitem oi : ois) {if (oi.getproduct().getid() == pid) {oi.tnumber(number);orderitemdao.update(oi);break;}}return "%success";}/*** 删除订单项** @param request* @param respon* @param page* @return* @throws unsupportedencodingexception*/public string deleteorderitem(httprvletrequest request, httprvletrespon respon, page page) throws unsupportedencodingexception {system.out.println("调用了forervlet deleteorderitem方法");ur ur = (ur) request.getssion().getattribute("ur");if (null == ur)return "%fail";int oiid = integer.parint(request.getparameter("oiid"));orderitemdao.delete(oiid);return "%success";}/*** 创建订单** @param request* @param respon* @param page* @return* @throws unsupportedencodingexception*/public string createorder(httprvletrequest request, httprvletrespon respon, page page) throws unsupportedencodingexception {system.out.println("调用了forervlet createorder方法");// 防止post方法中文乱码request.tcharacterencoding("utf-8");ur ur = (ur) request.getssion().getattribute("ur");list<orderitem> ois = (list<orderitem>) request.getssion().getattribute("ois");if (ois.impty())return "@login.jsp";string address = request.getparameter("address");string post = request.getparameter("post");string reciver = request.getparameter("reciver");string mobile = request.getparameter("mobile");order order = new order();string ordercode = new simpledateformat("yyyymmddhhmmss").format(new date());order.tordercode(ordercode);order.taddress(address);order.tpost(post);order.treceiver(reciver);order.tmobile(mobile);order.turmessage("默认内容");order.tcreatedate(new date());order.tur(ur);order.tstatus(orderdao.waitpay);orderdao.add(order);// 统计总金额并设置每个订单项的所属订单float total = 0;for (orderitem oi : ois) {oi.torder(order);orderitemdao.update(oi);total += oi.getproduct().getpromoteprice() * oi.getnumber();}return "@forealipay?oid=" + order.getid() + "&total=" + total;}/*** 支付界面** @param request* @param respon* @param page* @return*/public string alipay(httprvletrequest request, httprvletrespon respon, page page) {system.out.println("调用了forervlet alipay方法");return "alipay.jsp";}/*** 支付完成界面* @param request* @param respon* @param page* @return*/public string payed(httprvletrequest request, httprvletrespon respon, page page) {system.out.println("调用了forervlet payed方法");int oid = integer.parint(request.getparameter("oid"));order order = orderdao.get(oid);order.tstatus(orderdao.waitdelivery);order.tpaydate(new date());orderdao.update(order);request.tattribute("o", order);return "payed.jsp";}/*** 我的订单页面* @param request* @param respon* @param page* @return*/public string bought(httprvletrequest request, httprvletrespon respon, page page) {system.out.println("调用了forervlet bought方法");ur ur = (ur) request.getssion().getattribute("ur");list<order> os = orderdao.list(ur.getid(), orderdao.delete);orderitemdao.fill(os);request.tattribute("os", os);return "bought.jsp";}}

用户登陆页面：

<%@ page contenttype="text/html;chart=utf-8" language="java" %><%@ taglib uri="/d/file/titlepic/" prefix="c"%><!doctype html><html><head><title>用户登录</title><meta name="viewport" content="width=device-width, initial-scale=1"><meta http-equiv="content-type" content="text/html; chart=utf-8"><link type="text/css" rel="stylesheet" href="<%=request.getcontextpath()%>/css/bootstrap.css" rel="external nofollow" ><link type="text/css" rel="stylesheet" href="<%=request.getcontextpath()%>/css/style.css" rel="external nofollow" ><script type="text/javascript" src="<%=reque情侣野外嘿咻st.getcontextpath()%>/js/jquery.min.js"></script><script type="text/javascript" src="<%=request.getcontextpath()%>/js/bootstrap.min.js"></script><script type="text/javascript" src="<%=request.getcontextpath()%>/js/simplecart.min.js"></script></head><body><!--header--><jsp:include page="header.jsp"><jsp:param name="flag" value="9"></jsp:param></jsp:include><!--//header--><!--account--><div class="account"><div class="container"><div class="register"><c:if test="${!empty msg }"><div class="alert alert-success">${msg }</div></c:if><c:if test="${!empty failmsg }"><div class="alert alert-danger">${failmsg }</div></c:if><form action="<%=request.getcontextpath()%>/ur_login" method="post"><div class="register-top-grid"><h3>用户登录</h3><div class="input"><span>用户名/邮箱 <label style="color:red;">*</label></span><input type="text" name="ue" placeholder="请输入用户名" required="required"></div><div class="input"><span>密码 <label style="color:red;">*</label></span><input type="text" name="password" placeholder="请输入密码" required="required"></div><div class="clearfix"> </div></div><div class="register-but text-center"><input type="submit" value="提交"><div class="clearfix"> </div></div></form><div class="clearfix"> </div></div></div></div><!--//account--><!--footer--><jsp:include page="footer.jsp"></jsp:include><!--//footer--></body></html>

添加类型业务：

@webrvlet("/addcategoryrvlet")public class addcategoryrvlet extends httprvlet {protected void dopost(httprvletrequest request, httprvletrespon respon) throws rvletexception, ioexception {request.tcharacterencoding("utf-8");respon.tcharacterencoding("utf-8");string a = request.getparameter("parentid");string b = request.getparameter("classname");system.out.println("parentid"+a);system.out.println("classname"+b);category category = new category();category.tcategor耶酥y_parentid(integer.valueof(a));category.tcategory_name(b);categoryrvice rvice = new categoryrviceimpl();rvice.addcategory(category);printwriter out = respon.getwriter();out.write("<script>");out.write("alert('插入分类成功！');");out.write("location.href='/homeecms/categorylistrvlet'");out.write("</script>");out.clo();//        request.getrequestdispatcher("").forward(request,respon);}protected void doget(httprvletrequest request, httprvletrespon respon) throws rvletexception, ioexception {dopost(request,respon);}}

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