public void save() { String title = request.getParameter("title"); String pubren = request.getParameter("pubren"); String pubtime = request.getParameter("pubtime"); String laiyuan=request.getParameter("laiyuan"); String dcontent = request.getParameter("dcontent"); String tupian2 = request.getParameter("tupian2"); String lanmuid = request.getParameter("lanmuid"); String lanmuming = request.getParameter("lanmuming"); String tuijian=request.getParameter("tuijian"); String hot=request.getParameter("hot"); String zuixin=request.getParameter("zuixin"); String zhaiyao=request.getParameter("zhaiyao"); String style=request.getParameter("style"); SimpleDateFormat sdfxinxi = new SimpleDateFormat("yyyy-MM-dd"); Xinxi xinxi = new Xinxi(); xinxi.setTitle(title == null ? "" : title); xinxi.setPubren(pubren == null ? "" : pubren); xinxi.setPubtime(new Date()); xinxi.setHot(hot!=null?1:0); xinxi.setTuijian(tuijian!=null?1:0); xinxi.setZuixin(zuixin!=null?1:0); xinxi.setClickcount(0); xinxi.setZhaiyao(zhaiyao==null?"":zhaiyao); xinxi.setDcontent(dcontent == null ? "" : dcontent); xinxi.setTupian2(tupian2 == null ? "" : tupian2); xinxi.setAgainstcount(0); xinxi.setAgreecount(0); xinxi.setLanmuid(new Integer(lanmuid)); xinxi.setLanmuming(lanmuming == null ? "" : lanmuming); DALBase.save(xinxi); try { if(style!=null&&style.equals("admin")) response.sendRedirect("xinximanager.do?actiontype=get&seedid=201&lanmuid="+xinxi.getLanmuid()); if(style!=null&&style.equals("huiyuan")) response.sendRedirect("../e/myxinximanager.jsp?seedid=m2"); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } /****************************************************** *********************** 内部附件支持*****public void attachements(HttpServletRequest request, HttpServletResponse response, String belongid) { DALBase.delete("attachement", MessageFormat.format( " where belongid=''{0}'' and belongtable=''xinxi'' ", belongid)); String[] photos = request.getParameterValues("fileuploaded"); if (photos == null) return; for (int i = 0; i < photos.length; i++) { Attachement a = new Attachement(); a.setType("images"); a.setPubtime(new Date()); a.setBelongfileldname("id"); a.setFilename(photos[i]); a.setBelongid(belongid); a.setBelongtable("xinxi"); a.setUrl(SystemParam.getSiteRoot() + "/upload/temp/" + a.getFilename()); a.setTitle(a.getFilename()); DALBase.save(a); } }解释每一行代码* ***

request.getParameter()取值为null的解决方法

在Web开发中，获取客户端传递给服务器的数据是一种常见需求，通常使用request.getParameter()方法从HttpServletRequest对象中获取表单数据或者URL参数。然而，在实际应用中，开发者有时会遇到request....

基于request.getAttribute与request.getParameter的区别详解

在Java Servlet和JSP开发中，HttpServletRequest接口提供了两种主要的方法来获取客户端发送到服务器的数据：getAttribute()和getParameter()。它们虽然都用于获取请求中的数据，但有着本质的区别，下面将详细...

public void save() { String forwardurl = request.getParameter("forwardurl"); String errorurl=request.getParameter("errorurl"); String name = request.getParameter("name"); String spno = request.getParameter("spno"); String jiage = request.getParameter("jiage"); String dazhe = request.getParameter("dazhe"); String tuijian = request.getParameter("tuijian"); String zuixin = request.getParameter("zuixin"); String hot=request.getParameter("hot"); String sptype = request.getParameter("sptype"); String sptypeid = request.getParameter("sptypeid"); String tupian = request.getParameter("tupian"); String jieshao = request.getParameter("jieshao"); String hyjia = request.getParameter("hyjia"); String pubren = request.getParameter("pubren"); SimpleDateFormat sdfshangpin = new SimpleDateFormat("yyyy-MM-dd"); Shangpin shangpin = new Shangpin(); shangpin.setName(name == null ? "" : name); shangpin.setSpno(spno == null ? "" : spno); shangpin.setJiage(jiage == null ? (double) 0 : new Double(jiage)); shangpin.setDazhe(dazhe == null ? 0 : new Integer(dazhe)); shangpin.setTuijian(tuijian == null ? 0 : new Integer(tuijian)); shangpin.setZuixin(zuixin == null ? 0 :new Integer( zuixin)); shangpin.setHot(hot==null?0:new Integer(hot)); shangpin.setSptype(sptype == null ? "" : sptype); shangpin.setSptypeid(sptypeid == null ? 0 : new Integer(sptypeid)); shangpin.setTupian(tupian == null ? "" : tupian); shangpin.setJieshao(jieshao == null ? "" : jieshao); shangpin.setHyjia(hyjia == null ? 0 : new Integer(hyjia)); shangpin.setPubtime(new Date()); shangpin.setPubren(pubren == null ? "" : pubren);每一行代码的解释

15. String pubren = request.getParameter("pubren"); 定义一个名为pubren的字符串变量，通过request对象获取名为"pubren"的参数值。 16. SimpleDateFormat sdfshangpin = new SimpleDateFormat("yyyy-MM-dd"); ...

public void update() { String forwardurl = request.getParameter("forwardurl"); String id = request.getParameter("id"); if (id == null) return; Album album = (Album) DALBase.load(Album.class, new Integer(id)); if (album == null) return; String name = request.getParameter("name"); String des = request.getParameter("des"); String xtype = request.getParameter("xtype"); String privilege = request.getParameter("privilege"); String pubren = request.getParameter("pubren"); String pubtime = request.getParameter("pubtime"); String tupian = request.getParameter("tupian"); SimpleDateFormat sdfalbum = new SimpleDateFormat("yyyy-MM-dd"); album.setName(name); album.setDes(des); album.setXtype(xtype); album.setPrivilege(privilege); album.setPubren(pubren); if (pubtime != null) { try { album.setPubtime(sdfalbum.parse(pubtime)); } catch (ParseException e) { e.printStackTrace(); } } album.setTupian(tupian); DALBase.update(album); // attachments(new Integer(album.getId()).toString()); if (forwardurl == null) { forwardurl = "/admin/albummanager.do?actiontype=get"; } try { response.sendRedirect(SystemParam.getSiteRoot() + forwardurl); } catch (Exception e) { e.printStackTrace(); } }翻译这段代码

这段代码是Java语言编写的，其作用是更新相册信息。...接着，将获取的参数设置到相册对象的属性中。如果有发布时间参数，将其转换为日期格式并设置到相册对象的属性中。最后，将更新后的相册对象保存到数据库中，并将...

public class AlbumAction extends PageActionBase { @Override public void onLoad() { String actiontype = request.getParameter("actiontype"); System.out.println("actiontype=" + actiontype); if (actiontype == null) return; } public void delete() { String id = request.getParameter("id"); DALBase.delete("album", " where id=" + id); DALBase.delete("albumitem","where albumid='"+id+"'"); binding(); } public void save() { String forwardurl = request.getParameter("forwardurl"); // 验证错误url String errorurl = request.getParameter("errorurl"); String name = request.getParameter("name"); String des = request.getParameter("des"); String xtype = request.getParameter("xtype"); String privilege = request.getParameter("privilege"); String pubren = request.getParameter("pubren"); SimpleDateFormat sdfalbum = new SimpleDateFormat("yyyy-MM-dd"); Album album = new Album(); album.setName(name == null ? "" : name); album.setDes(des == null ? "" : des); album.setXtype(xtype == null ? "" : xtype); album.setPrivilege(privilege == null ? "" : privilege); album.setPubren(pubren == null ? "" : pubren); album.setPubtime(new Date()); album.setTupian(SystemParam.getSiteRoot()+"/upload/pic-none.png"); DALBase.save(album); if (forwardurl == null) { forwardurl = "/admin/albummanager.do?actiontype=get"; } try { response.sendRedirect(SystemParam.getSiteRoot() + forwardurl); } catch (Exception e) { e.printStackTrace(); } }翻译这段代码

该类包含了三个方法：onLoad()、delete()和save()。 onLoad()方法会在页面加载时被调用，通过获取请求参数"actiontype"并打印输出来判断是否需要进行后续操作。 delete()方法会获取请求参数"id"，并通过调用...

public void update() { String id = request.getParameter("id"); if (id == null) return; Xinxi xinxi = (Xinxi) DALBase.load(Xinxi.class, new Integer(id)); if (xinxi == null) return; String title = request.getParameter("title"); String pubren = request.getParameter("pubren"); String laiyuan=request.getParameter("laiyuan"); String clickcount = request.getParameter("clickcount"); String dcontent = request.getParameter("dcontent"); String tupian2 = request.getParameter("tupian2"); String lanmuid = request.getParameter("lanmuid"); String lanmuming = request.getParameter("lanmuming"); String tuijian=request.getParameter("tuijian"); String hot=request.getParameter("hot"); String zuixin=request.getParameter("zuixin"); String zhaiyao=request.getParameter("zhaiyao"); String style=request.getParameter("style"); SimpleDateFormat sdfxinxi = new SimpleDateFormat("yyyy-MM-dd"); xinxi.setZhaiyao(zhaiyao); xinxi.setTitle(title); xinxi.setPubren(pubren); xinxi.setLaiyuan(laiyuan); xinxi.setDcontent(dcontent); xinxi.setHot(hot!=null?1:0); xinxi.setTuijian(tuijian!=null?1:0); xinxi.setZuixin(zuixin!=null?1:0); xinxi.setTupian2(tupian2); xinxi.setLanmuid(new Integer(lanmuid)); xinxi.setLanmuming(lanmuming); DALBase.update(xinxi); //attachements(request, response, new Integer(xinxi.getId()).toString()); //binding(request, response); try { if(style!=null&&style.equals("admin")) response.sendRedirect("xinximanager.do?actiontype=get&seedid=201&lanmuid="+xinxi.getLanmuid()); if(style!=null&&style.equals("huiyuan")) response.sendRedirect("../e/myxinximanager.jsp?seedid=m2"); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } /************************************ *解释每一行代码

6. String title = request.getParameter("title"); 获取HTTP请求中名为"title"的参数，并将其存储在一个名为"title"的字符串变量中。 7. String pubren = request.getParameter("pubren"); 获取HTTP请求中名为...

public class AlbumitemAction extends PageActionBase { @Override public void onLoad() { String actiontype = request.getParameter("actiontype"); System.out.println("actiontype=" + actiontype); if (actiontype == null) return; } public void delete() { String id = request.getParameter("id"); DALBase.delete("albumitem", " where id=" + id); binding(); } public void save() { String forwardurl = request.getParameter("forwardurl"); String errorurl = request.getParameter("errorurl"); String tupian = request.getParameter("tupian"); String albumid = request.getParameter("albumid"); SimpleDateFormat sdfalbumitem = new SimpleDateFormat("yyyy-MM-dd"); Albumitem albumitem = new Albumitem(); albumitem.setTupian(tupian == null ? "" : tupian); albumitem.setAlbumid(albumid == null ? "" : albumid); DALBase.save(albumitem); if (forwardurl == null) { forwardurl = "/admin/albumitemmanager.do?actiontype=get"; } try { response.sendRedirect(SystemParam.getSiteRoot() + forwardurl); } catch (Exception e) { e.printStackTrace(); } }翻译这段代码

其中包括了三个方法：onLoad()、delete()和save()。在onLoad()方法中，首先获取了名为“actiontype”的请求参数，然后打印出来。如果这个参数为null，则直接返回。在delete()方法中，首先获取了名为“id”的请求...

public void getList(){ String replayname = request.getParameter("sreplayname"); String sort = request.getParameter("sort"); String order = request.getParameter("order"); Page page = new Page(); Map paramsMap = new HashMap(); paramsMap.put("replayname", replayname); paramsMap.put("sort", "order by "+sort+" "+order); String pageNo = (String) this.request.getParameter("page"); String pageSizes = (String) this.request.getParameter("rows"); if (pageNo == null) { page.setPageSize(10); page.setPageNo(1); } else { page.setPageSize(Integer.parseInt(pageSizes)); page.setPageNo(Integer.parseInt(pageNo)); } page = replayService.findByPage(page, paramsMap); Gson json = new Gson(); Map<String, Object> map = new HashMap<String, Object>(); map.put("total", page.getTotal()); map.put("rows", page.getList()); render(json.toJson(map)); } public void add(){ String action = request.getParameter("action"); if(replay != null){ if(action.equals("add")){ replayService.save(replay); render("操作成功!"); }else { String id = request.getParameter("id"); replay.setId(Integer.parseInt(id)); replayService.update(replay); render("操作成功!"); } } }

这是一个Java程序，包含两个方法getList()和add()。 getList()方法从请求中获取参数replayname、sort、order，然后使用这些参数和分页信息（pageNo和pageSizes）进行查询，最终返回查询结果。查询结果以JSON格式...

解释这段代码public String carList(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String returnCity = request.getParameter("returnCity"); String rentCity = request.getParameter("rentCity"); String rentTime = request.getParameter("rentTime"); String rentArea = request.getParameter("rentArea"); String returnTime = request.getParameter("returnTime"); String returnArea = request.getParameter("returnArea"); System.out.println(returnArea);

在方法体内，代码使用request.getParameter方法从HTTP请求中获取参数值。它通过调用getParameter方法并传入参数名来获取相应的参数值。例如，rentCity变量获取了名为"rentCity"的参数值，returnCity变量获取...

public class SupplyorAction extends PageActionBase{ @Override public void onLoad() { String actiontype = request.getParameter("actiontype"); System.out.println("actiontype=" + actiontype); if (actiontype == null) return ; } /************************************************** 信息注销监听支持* *****************************************************/ public void delete() { String id=request.getParameter("id"); DALBase.delete("supplyor", " where id="+id); binding(); }public void save() { String forwardurl=request.getParameter("forwardurl"); //验证错误url String errorurl=request.getParameter("errorurl"); String sname=request.getParameter("sname"); String tel=request.getParameter("tel"); String lxren=request.getParameter("lxren"); String email=request.getParameter("email"); String address=request.getParameter("address"); String fax=request.getParameter("fax"); String des=request.getParameter("des"); SimpleDateFormat sdfsupplyor=new SimpleDateFormat("yyyy-MM-dd"); Supplyor supplyor=new Supplyor(); supplyor.setSname(sname==null?"":sname); supplyor.setTel(tel==null?"":tel); supplyor.setLxren(lxren==null?"":lxren); supplyor.setEmail(email==null?"":email); supplyor.setAddress(address==null?"":address); supplyor.setFax(fax==null?"":fax); supplyor.setDes(des==null?"":des); //产生验证 Boolean validateresult=saveValidate( "where sname='"+sname+"'"); if(validateresult){ try { request.setAttribute("errormsg","<label class='error'>已存在的供应商</label>"); request.setAttribute("supplyor", supplyor); request.setAttribute("actiontype", "save"); request.getRequestDispatcher(errorurl).forward(request, response); } catch (Exception e) { e.printStackTrace(); } return; } DALBase.save(supplyor); //保存附件 // attachments(request,response,new Integer(supplyor.getId()).toString()); if(forwardurl==null){ forwardurl="/admin/supplyormanager.do?actiontype=get"; } try { response.sendRedirect(SystemParam.getSiteRoot()+forwardurl); } catch (Exception e) { e.printStackTrace(); } } //新增验证 private boolean saveValidate(String filter){ return DALBase.isExist("supplyor解释每一行代码

在类中还定义了 delete() 和 save() 两个方法，分别用于删除和保存供应商信息。其中，save() 方法中进行了一些输入验证，并将供应商信息保存到数据库中。在 saveValidate() 方法中，它通过调用 DALBase.isExist() ...

public class SysconfigAction extends PageActionBase { @Override public void onLoad() { String actiontype = request.getParameter("actiontype"); System.out.println("actiontype=" + actiontype); if (actiontype == null) return; } /**************************************** 信息注销监听支持* / public void delete() { String id = request.getParameter("id"); DALBase.delete("sysconfig", " where id=" + id); binding(); } / 保存动作监听支持 / public void save() { String forwardurl = request.getParameter("forwardurl"); String title = request.getParameter("title"); String dcontent = request.getParameter("dcontent"); SimpleDateFormat sdfsysconfig = new SimpleDateFormat("yyyy-MM-dd"); Sysconfig sysconfig = new Sysconfig(); sysconfig.setTitle(title == null ? "" : title); sysconfig.setDcontent(dcontent == null ? "" : dcontent); DALBase.save(sysconfig); // 保存附件 try { response.sendRedirect(SystemParam.getSiteRoot() + "/admin/sysconfigmanager.do?actiontype=get&seedid=307"); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } / * 更新内部支持* / public void update() { String forwardurl = request.getParameter("forwardurl"); String id = request.getParameter("id"); if (id == null) return; Sysconfig sysconfig = (Sysconfig) DALBase.load(Sysconfig.class, new Integer(id)); if (sysconfig == null) return; Strpublic void update() { String forwardurl = request.getParameter("forwardurl"); String id = request.getParameter("id"); if (id == null) return; Sysconfig sysconfig = (Sysconfig) DALBase.load(Sysconfig.class, new Integer(id)); if (sysconfig == null) return; String title = request.getParameter("title"); String dcontent = request.getParameter("dcontent"); SimpleDateFormat sdfsysconfig = new SimpleDateFormat("yyyy-MM-dd"); sysconfig.setTitle(title); sysconfig.setDcontent(dcontent); DALBase.update(sysconfig); try { response.sendRedirect(SystemParam.getSiteRoot() + "/admin/sysconfigmanager.do?actiontype=get&seedid=307"); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } / * 加载内部支持 ***************************************/ public void load() { // String id = request.getParameter("id"); String actiontype = "save"; dispatchParams(request, response); if (id != null) { Sysconfig sysconfig = (Sysconfig) DALBase.load("sysconfig", "where id=" + id); if (sysconfig != null) { request.setAttribute("sysconfig", sysconfig); } actiontype = "update"; request.setAttribute("id", id); } request.setAttribute("actiontype", actiontype); String forwardurl = request.getParameter("forwardurl"); System.out.println("forwardurl=" + forwardurl); if (forwardurl == null) { forwardurl = "/admin/sysconfigadd.jsp"; } try { request.getRequestDispatcher(forwardurl).forward(request, response); } catch (ServletException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch bl解释每一行代码

在 save() 方法中，获取请求参数 forwardurl、title 和 dcontent，然后创建一个 Sysconfig 对象，设置其 title 和 dcontent 属性，并调用 DALBase 类的 save() 方法保存该对象到 sysconfig 表中。最后将请求重定向到...

@WebServlet("/admin/addCourse") public class AddCourseController extends HttpServlet { private static final long serialVersionUID = 1L; public AddCourseController() { super(); // TODO Auto-generated constructor stub } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub String isbn = request.getParameter("isbn"); String bookName = request.getParameter("bookName"); String content = request.getParameter("content"); String author = request.getParameter("author"); String press = request.getParameter("press"); String tname = request.getParameter("tname"); Date createTime = new Date(); Courses course = new Courses(); course.setIsbn(isbn); course.setContent(content); course.setAuthor(author); course.setPress(press); course.setPressTime(createTime); course.setBookName(bookName); course.setTname(tname); CoursesService courseService = new CoursesService(); Courses query = courseService.getISBN(isbn); if(query != null) { request.setAttribute("msg", "isbn为"+isbn+"的教材已经存在"); request.getRequestDispatcher("/WEB-INF/pages/error.jsp").forward(request, response); return; } courseService.addCourse(course); request.getRequestDispatcher("/admin/managecoursesUrl").forward(request, response); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub doGet(request, response); } }

这是一个Java Servlet类，用于处理添加课程信息的请求。...然后，它创建一个Courses对象，并将这些参数设置为Courses对象的属性。接着，它通过调用CoursesService类的addCourse()方法将Courses对象保存到数据库中。...

public void delete() { String id = request.getParameter("id"); DALBase.delete("users", " where id=" + id); binding(); } /*************************************************************************** * *保存动作监听支持 / public void save() { String username = request.getParameter("username"); String password = request.getParameter("password"); String rolename = request.getParameter("rolename"); String creator = request.getParameter("creator"); String createtime = request.getParameter("createtime"); String email = request.getParameter("email"); String tel = request.getParameter("tel"); String realname = request.getParameter("realname"); String nickname = request.getParameter("nickname"); String sex = request.getParameter("sex"); String xiangpian = request.getParameter("xiangpian"); SimpleDateFormat sdfusers = new SimpleDateFormat("yyyy-MM-dd"); Users users = new Users(); users.setUsername(username == null ? "" : username); users.setPassword(password == null ? "" : password); users.setCreator(creator == null ? "" : creator); users.setCreatetime(new Date()); users.setEmail(email == null ? "" : email); users.setTel(tel == null ? "" : tel); users.setLogtimes(0); users.setRealname(realname == null ? "" : realname); users.setNickname(nickname == null ? "" : nickname); users.setSex(sex == null ? "" : sex); users.setXiangpian(xiangpian == null ? "" : xiangpian); DALBase.save(users); // 绑定数据 binding(); } /***************** * ************更新内部支持* ****************************************************************/ public void update() { String id = request.getParameter("id");解释每一段代码

这段代码是一个 Java Web 应用程序中的 Servlet，包含了三个方法：delete、save 和 update。这些方法是用来处理用户请求的，以对 Users 表格进行删除、更新和插入操作。 delete() 方法中，它首先从请求参数中获取一...

代码改错：@WebServlet("/update_teacher") public class update_teacher extends HttpServlet { protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=utf-8"); response.setCharacterEncoding("utf-8"); request.setCharacterEncoding("utf-8"); PrintWriter out = response.getWriter(); HttpSession session = request.getSession(); TeacherDao teacherD = new TeacherDao(); String uid = request.getParameter("uid"); String name = request.getParameter("name"); String sex = request.getParameter("sex"); String email = request.getParameter("email"); String password = request.getParameter("password"); try { Teacher teacher = teacherD.updateTeacher(uid, name, sex, email, password); session.setAttribute("info", teacher); out.print("<script>alert(\"保存成功！\");location.href = \"teacher/personal.jsp\";</script>"); } catch (Exception e) { out.print(e); } } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { } }

String password = request.getParameter("password"); try { Teacher teacher = teacherDao.updateTeacher(uid, name, sex, email, password); session.setAttribute("info", teacher); out.print("<script>...

private void query(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //查询用户列表 String queryUserName = request.getParameter("queryname"); String temp = request.getParameter("queryUserRole"); String pageIndex = request.getParameter("pageIndex"); int queryUserRole = 0; UserService userService = new UserServiceImpl(); List<User> userList = null;

1. 通过request.getParameter方法获取查询条件queryUserName、temp和pageIndex的值，分别对应查询的用户名、用户角色和页码。 2. 定义一个int类型的变量queryUserRole，并将temp转换为整数赋值给该变量。 3. 创建...

@RequestMapping(value = "join") public String join(HttpServletRequest request,HttpServletResponse response) throws IOException { String post = request.getParameter("post"); String contact = request.getParameter("contact"); String userid = request.getParameter("userid"); String clubId = request.getParameter("clubId"); Member member = new Member(); member.setClubid(clubId); member.setUserid(userid); member.setPost(post); member.setWork(contact); memberService.save(member); // return "redirect:/graduate/club/list"; HashMap<String, Object> map = new HashMap<>(); map.put("status","success"); // return "{\"status\": \"success\"}"; return map.toString(); } ajas如何调用这个接口

可以使用 jQuery 的 AJAX 方法来调用这个接口。以下是一个简单的示例： $.ajax({ url: "/graduate/club/join", type: "POST", data: { userid: "123", clubId: "456", post: "会员", ...

private void modify(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String id = request.getParameter("uid"); String userName = request.getParameter("userName"); String gender = request.getParameter("gender"); String birthday = request.getParameter("birthday"); String phone = request.getParameter("phone"); String address = request.getParameter("address"); String userRole = request.getParameter("userRole"); User user = new User(); user.setId(Integer.valueOf(id)); user.setUserName(userName); user.setGender(Integer.valueOf(gender)); try { user.setBirthday(new SimpleDateFormat("yyyy-MM-dd").parse(birthday)); } catch (ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } user.setPhone(phone); user.setAddress(address); user.setUserRole(Integer.valueOf(userRole)); user.setModifyBy(((User)request.getSession().getAttribute(Constants.USER_SESSION)).getId()); user.setModifyDate(new Date()); UserService userService = new UserServiceImpl(); try { if(userService.modify(user)){ response.sendRedirect(request.getContextPath()+"/user?method=query"); }else{ request.getRequestDispatcher("jsp/usermodify.jsp").forward(request, response); } }catch (Exception ex){ ex.getStackTrace(); }

1. 通过request.getParameter方法获取参数uid、userName、gender、birthday、phone、address和userRole的值，分别表示用户ID、用户名、性别、出生日期、电话、地址和用户角色。 2. 创建一个User对象user，并根据获取...

if (ac.equals("tobuy")) { String gid = request.getParameter("gid"); int sl = Integer.valueOf(request.getParameter("sl")); //需要的数量（将传入的字符串类型的 sl 参数转换为整数类型） String ddno = Info.getAutoNo(); String shrname = ""; String shrtel = ""; String shraddr = request.getParameter("addr"); double ddprice = 0.0; String fhstatus = "待发货"; String shstatus = "待收货"; String fkstatus = "待付款"; String wlinfo = "暂无物流信息"; String savetime = Info.getDateStr();

ddno，设置收货人姓名 shrname、收货人电话 shrtel、收货地址 shraddr、订单总价 ddprice、发货状态 fhstatus、收货状态 shstatus、付款状态 fkstatus、物流信息 wlinfo、保存时间 savetime 等属性。最后，将订单...

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