信息系统设计---注册系统源码

用户注册系统 struts2+jsp+mysql5.5五个实验实验五有本系统的核心代码界面实验报告（一）院系：信息学院 课程名称：信息系统设计与开发(上) 日期：班 级信A1022姓 名专 业信息管理与信息系统学 号29实 验 室701实验名称Web技术成 绩 评 定教 师 签 名实验目的1、 掌握servlet的配置方法2、掌握请求过滤器用法3、掌握lister用法实验内容Servlet配置常用对象过滤器的用法实验过程、结果及分析1、 请通过java编写一个客户端，能够把指定网站，指定网页中的所有超级连接打印出来.import java.io.BufferedReader;import java.io.InputStreamReader;import .URL;import java.util.regex.Matcher;import java.util.regex.Pattern;public class Urls private String startUrl; / 开始采集网址String urlContent;String ContentArea;private String strAreaBegin, strAreaEnd; / 采集区域开始采集字符串和结束采集字符串private String stringInUrl, stringNotInUrl;String strContent;/ 获得的采集内容String allUrls; / 采集到的所有网址private String regex; / 采集规则UrlAndTitle urlAndTitle = new UrlAndTitle(); / 存储网址和标题public static void main(String args)Urls myurl = new Urls();myurl.getStartUrl(/);myurl.getUrlContent();myurl.getContentArea();myurl.getStringInUrl(/);myurl.getStringNotInUrl(google);myurl.Urls();/ 初始化构造函数 strAreaBegin 和strAreaEndpublic Urls(String strAreaBegin, String strAreaEnd) this.strAreaBegin = strAreaBegin;this.strAreaEnd = strAreaEnd;/public void Urls()int i = 0;/ String regex =$;final String regex = ;/ String regex =http:/.*?;final Pattern pt = Ppile(regex);final Matcher mt = pt.matcher(ContentArea);while (mt.find() System.out.println(mt.group(); i+; / 获取标题 final Matcher title = Ppile(.*?).matcher(mt.group(); while (title.find() System.out.println(标题: + title.group().replaceAll(|, ); / 获取网址 final Matcher myurl = Ppile(href=.*?).matcher(mt.group(); while (myurl.find() System.out.println(网址: + myurl.group().replaceAll(href=|, ); System.out.println();System.out.println(共有 + i + 个符合结果);/ 获得开始采集网址public void getStartUrl(String startUrl)this.startUrl = startUrl;/ 获得网址所在内容;public void getUrlContent()StringBuffer is = new StringBuffer();try URL myUrl = new URL(startUrl); BufferedReader br = new BufferedReader(new InputStreamReader(myUrl .openStream(); String s; while (s = br.readLine() != null) is.append(s); urlContent = is.toString(); catch (Exception e) System.out.println(网址文件未能输出); e.printStackTrace();/ 获得网址所在的匹配区域部分public void getContentArea()int pos1 = 0, pos2 = 0;pos1 = urlContent.indexOf(strAreaBegin) + strAreaBegin.length();pos2 = urlContent.indexOf(strAreaEnd, pos1);ContentArea = urlContent.substring(pos1, pos2);/ 以下两个函数获得网址应该要包含的关键字及不能包含的关键字/ 这里只做初步的实验。后期，保护的关键字及不能包含的关键字应该是不只一个的。public void getStringInUrl(String stringInUrl)this.stringInUrl = stringInUrl;public void getStringNotInUrl(String stringNotInUrl)this.stringNotInUrl = stringNotInUrl;/ 获取采集规则/ 获取url网址public void getUrl()public String getRegex()return regex;class UrlAndTitle String myURL;String title;2、 请建立一个servlet类用于显示当前的系统时间public class ss extends HttpServlet public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException this.dopost(request, response);public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException Date date=new Date();response.setContentType(text/html);PrintWriter out = response.getWriter();out.println();out.println();out.println( A Servlet);out.println( );out.print( This is );out.print(this.getClass();out.println(, using the GET method+date);out.println( );out.println();out.flush();out.close();实验过程、结果及分析3当用户进入web应用没有登入时，要求用户必须登入。SessionFilter.javapackage net.pms.web.filter;import java.io.IOException;import javax.servlet.Filter;import javax.servlet.FilterChain;import javax.servlet.FilterConfig;import javax.servlet.ServletException;import javax.servlet.ServletRequest;import javax.servlet.ServletResponse;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import javax.servlet.http.HttpServletResponseWrapper;/* */public class SessionFilter implements Filter public static boolean isContains(String container, String regx) boolean result = false; for (int i = 0; i regx.length; i+) if (container.indexOf(regx) != -1) return true; return result; public FilterConfig config; public void setFilterConfig(FilterConfig config) this.config = config; public FilterConfig getFilterConfig() return config; public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException HttpServletRequest httpreq = (HttpServletRequest) request; HttpServletResponse httpres = (HttpServletResponse) response; HttpServletResponseWrapper wrapper = new HttpServletResponseWrapper( (HttpServletResponse) response); String logonStrings = config.getInitParameter(logonStrings); String includeStrings = config.getInitParameter(includeStrings); String redirectPath = httpreq.getContextPath() + config.getInitParameter(redirectPath); String disabletestfilter = config.getInitParameter(disabletestfilter); if (disabletestfilter.toUpperCase().equals(Y) chain.doFilter(request, response); return; String logonList = logonStrings.split(;); String includeList = includeStrings.split(;); Object user = httpreq.getSession().getAttribute(userinfo); if (user = null) if (!this.isContains(httpreq.getRequestURI(), includeList) chain.doFilter(request, response); return; if (this.isContains(httpreq.getRequestURI(), logonList) chain.doFilter(request, response); return; wrapper.sendRedirect(redirectPath); else chain.doFilter(request, response); public void destroy() this.config = null; public void init(FilterConfig filterConfig) throws ServletException this.config = filterConfig; 4.配置 Servlet 过滤器在web.xml中： SessionFilter net.pms.web.filter.SessionFilter logonStrings login.jsp includeStrings .jsp;.html redirectPath /login.jsp disabletestfilter N SessionFilter /* 实验过程、结果及分析4、请设计一种机制进行网站访问者统计package com.wjl;import java.io.IOException;import java.io.PrintWriter;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import javax.servlet.http.HttpSession;public class Count extends HttpServlet public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException /得到当前web应用程序的上下文 ServletContext context=this.getServletContext(); /取出当前保存的属性 /如果此页面是第一次被访问,那些count为空,我们帮他初始化为1 /如果不是第一次被访问，那么就加1 Integer count=(Integer)context.getAttribute(count); if(count=null) count=new Integer(1); else count=new Integer(Value()+1); /设置编码,不然中文会变成乱码 response.setContentType(text/html;charset=GB2312); /得到输出流对象 PrintWriter out=response.getWriter(); out.println(); out.println(页面访问统计); out.println(); out.println(当前页面被访问了); out.println(+count+次); /设置属性,将count保存到当前的上下文中/ context.setAttribute(count,count); session.setAttribute(count,count); session.setAttribute(ip,getRemortIP(request); out.close(); 这种方式是用上下文进行记录的，缺点是每次刷新都会增加一，下面看防止刷新的。每个客户端只记录一次。package com.wjl;import java.io.IOException;import java.io.PrintWriter;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import javax.servlet.http.HttpSession;public class Count extends HttpServlet public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException /*/得到当前web应用程序的上下文 ServletContext context=this.getServletContext(); /取出当前保存的属性 /如果此页面是第一次被访问,那些count为空,我们帮他初始化为1 /如果不是第一次被访问，那么就加1 Integer count=(Integer)context.getAttribute(count); if(count=null) count=new Integer(1); else count=new Integer(Value()+1); */ / 上面的方式是放到了context中，我可以放到session中 HttpSession session=request.getSession(); Integer count = (Integer)session.getAttribute(count); if(count=null) count = 1; else if(session.getAttribute(ip)!=null&!session.getAttribute(ip).equals(getRemortIP(request) count = new Integer(Value()+1; /设置编码,不然中文会变成乱码 response.setContentType(text/html;charset=GB2312); /得到输出流对象 PrintWriter out=response.getWriter(); out.println(); out.println(页面访问统计); out.println(); out.println(当前页面被访问了); out.println(+count+次); /设置属性,将count保存到当前的上下文中/ context.setAttribute(count,count); session.setAttribute(count,count); session.setAttribute(ip,getRemortIP(request); out.close(); /* * 获得客户端ip * param request * return */ public String getRemortIP(HttpServletRequest request) if (request.getHeader(x-forwarded-for) = null) return request.getRemoteAddr(); return request.getHeader(x-forwarded-for); 实验报告（二）院系：信息学院 课程名称：信息系统设计与开发(上) 日期：班 级信A1022姓 名专 业信息管理与信息系统学 号29实 验 室701实验名称Struts框架的结构成 绩 评 定教 师 签 名实验目的1、掌握struts框架的基本jar包2、掌握struts应用的基本流程3、掌握web.xml和struts.xml及action类的写法 4、掌握MVC模式的系统设计思路实验内容Struts应用的写法实验过程、结果及分析一、创建一个struts技术的用户登入系统，当用户输入用户名是张三、密码是12345，就进入欢迎页面。否则继续输入1、strtus应用需要的那些jar包？（10分）commons-fileupload-1.2.1.jarcommons-io-1.3.2.jarfreemarker-2.3.16.jarjavassist-3.7.ga.jarognl-3.0.jarstruts2-core-.jarxwork-core-.jar3、 用户登入界面的设计(20分)Login.jsp用户登录3、web.xml配置20分） index.jsp struts2 org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter struts2 /* 实验过程、结果及分析 5、登录action的业务类设计（30分）package com;import java.util.Map;import com.opensymphony.xwork2.ActionSupport;import com.opensymphony.xwork2.ActionContext;SuppressWarnings(serial)public class LoginAction extends ActionSupportprivate String name;private String pwd;public String getName() return name;public void setName(String name) = name;public String getPwd() return pwd;public void setPwd(String pwd) this.pwd = pwd;SuppressWarnings(unchecked)public String checkLogin()System.out.println(*name=+name);ActionContext ac=ActionContext.getContext(); /获得ActionContextSuppressWarnings(unused)Map app=ac.getApplication();ac.getSession().put(login, ); /把登录名称放入session中ac.getApplication().put(login, ); /把登录名称放入application中return SUCCESS;实验报告（三）院系：信息学院 课程名称：信息系统设计与开发(上) 日期：班 级姓 名专 业信息管理与信息系统学 号29实 验 室701实验名称OGNL成 绩 评 定教 师 签 名实验目的1、掌握OGNL的应用场景2、掌握ognl访问属性、访问方法、访问数组、访问集合等方法实验内容常用的标签的使用OGNL表达式的使用实验过程、结果及分析已知OgnlAction类的结构如下：public class OgnlAction extends ActionSupport private Cat cat;private Map dogMap = new HashMap();private Set dogs = new HashSet();private String password;private User user;private String username;private List users = new ArrayList();public OgnlAction() users.add(new User(1);users.add(new User(2);users.add(new User(3);dogs.add(new Dog(dog1);dogs.add(new Dog(dog2);dogs.add(new Dog(dog3);实验过程、结果及分析dogMap.put(dog100, new Dog(dog100);dogMap.put(dog101, new Dog(dog101);dogMap.put(dog102, new Dog(dog102);dog类定义如下：public class Dog private String name;public Dog() public Dog(String name) super(); = name;public String getName() return nam