hzuapps#3 hzuapps#4 hzuapps#5 hzuapps#6 #7提交实验代码

nibabadebaba · Nov 27, 2016 · 8350828 · 8350828
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diff --git a/jweb/src/edu/hzu/javaweb/labs/se1414080902235/ErrorFilter.java b/jweb/src/edu/hzu/javaweb/labs/se1414080902235/ErrorFilter.java
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+package edu.hzu.javaweb.labs.se1414080902235servlet;
+
+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.annotation.WebFilter;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+/**
+ * Servlet Filter implementation class LoginFilter
+ */
+@WebFilter(filterName="ErrorFilter",urlPatterns="/1414080902235")
+public class ErrorFilter implements Filter {
+
+    /**
+     * Default constructor. 
+     */
+    public ErrorFilter() {
+        // TODO Auto-generated constructor stub
+    }
+
+	/**
+	 * @see Filter#destroy()
+	 */
+	public void destroy() {
+		// TODO Auto-generated method stub
+	}
+
+	/**
+	 * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
+	 */
+	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
+		//获取http请求相关数据
+		HttpServletRequest req = (HttpServletRequest) request;
+        HttpServletResponse resp = (HttpServletResponse) response;
+
+        HttpSession session = req.getSession();
+        if (session.getAttribute("username") == null) {
+        	resp.sendRedirect("login.jsp");
+        } else {   
+        	chain.doFilter(request, response);
+        }  
+	}
+
+	/**
+	 * @see Filter#init(FilterConfig)
+	 */
+	public void init(FilterConfig fConfig) throws ServletException {
+		System.out.println("登录过滤...");
+	}
+}
diff --git a/jweb/src/edu/hzu/javaweb/labs/se1414080902235/indexcheck.java b/jweb/src/edu/hzu/javaweb/labs/se1414080902235/indexcheck.java
@@ -0,0 +1,94 @@
+package web;
+
+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;
+
+public class indexcheck extends HttpServlet {
+
+	/**
+	 * Constructor of the object.
+	 */
+	public indexcheck() {
+		super();
+	}
+
+	/**
+	 * Destruction of the servlet. <br>
+	 */
+	public void destroy() {
+		super.destroy(); // Just puts "destroy" string in log
+		// Put your code here
+	}
+
+	/**
+	 * The doGet method of the servlet. <br>
+	 *
+	 * This method is called when a form has its tag value method equals to get.
+	 * 
+	 * @param request the request send by the client to the server
+	 * @param response the response send by the server to the client
+	 * @throws ServletException if an error occurred
+	 * @throws IOException if an error occurred
+	 */
+	public void doGet(HttpServletRequest request, HttpServletResponse response)
+			throws ServletException, IOException {
+
+		response.setContentType("text/html");
+		PrintWriter out = response.getWriter();
+		out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
+		out.println("<HTML>");
+		out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");
+		out.println("  <BODY>");
+		out.print("    This is ");
+		out.print(this.getClass());
+		out.println(", using the GET method");
+		out.println("  </BODY>");
+		out.println("</HTML>");
+		out.flush();
+		out.close();
+	}
+
+	/**
+	 * The doPost method of the servlet. <br>
+	 *
+	 * This method is called when a form has its tag value method equals to post.
+	 * 
+	 * @param request the request send by the client to the server
+	 * @param response the response send by the server to the client
+	 * @throws ServletException if an error occurred
+	 * @throws IOException if an error occurred
+	 */
+	public void doPost(HttpServletRequest request, HttpServletResponse response)
+			throws ServletException, IOException {
+		String userName=request.getParameter("username");
+        String userPwd=request.getParameter("userpwd");
+        request.setAttribute("username", userName);
+        request.setAttribute("userpwd", userPwd);
+        if("1414080902235".equals(userName)&&"1414080902235".equals(userPwd))
+        {
+
+        }
+        else
+        {
+        	 request.getRequestDispatcher("/show.jsp").forward(request, response);
+        }
+
+
+
+	}
+
+	/**
+	 * Initialization of the servlet. <br>
+	 *
+	 * @throws ServletException if an error occurs
+	 */
+	public void init() throws ServletException {
+		// Put your code here
+	}
+
+}
diff --git a/jweb/src/edu/hzu/javaweb/labs/se1414080902235/registerservlet.java b/jweb/src/edu/hzu/javaweb/labs/se1414080902235/registerservlet.java
@@ -0,0 +1,84 @@
+package web;
+
+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;
+
+public class registerservlet extends HttpServlet {
+
+	/**
+	 * Constructor of the object.
+	 */
+	public registerservlet() {
+		super();
+	}
+
+	/**
+	 * Destruction of the servlet. <br>
+	 */
+	public void destroy() {
+		super.destroy(); // Just puts "destroy" string in log
+		// Put your code here
+	}
+
+	/**
+	 * The doGet method of the servlet. <br>
+	 *
+	 * This method is called when a form has its tag value method equals to get.
+	 * 
+	 * @param request the request send by the client to the server
+	 * @param response the response send by the server to the client
+	 * @throws ServletException if an error occurred
+	 * @throws IOException if an error occurred
+	 */
+	public void doGet(HttpServletRequest request, HttpServletResponse response)
+			throws ServletException, IOException {
+	}
+
+	/**
+	 * The doPost method of the servlet. <br>
+	 *
+	 * This method is called when a form has its tag value method equals to post.
+	 * 
+	 * @param request the request send by the client to the server
+	 * @param response the response send by the server to the client
+	 * @throws ServletException if an error occurred
+	 * @throws IOException if an error occurred
+	 */
+	public void doPost(HttpServletRequest request, HttpServletResponse response)
+			throws ServletException, IOException {
+          String userName=request.getParameter("username");
+          String userPwd=request.getParameter("userpwd");
+          String userPwd1=request.getParameter("userpwd1");
+          String userSex=request.getParameter("usersex");
+          request.setAttribute("usern",userName);
+          request.setAttribute("userp",userPwd);
+          request.setAttribute("users",userSex);
+          request.setAttribute("power", "0");
+          if(userName.length()<=0)
+        	  request.getRequestDispatcher("/error.jsp").forward(request, response);
+          else if(userName.length()<6||userPwd.length()<6)
+        	  request.getRequestDispatcher("/error.jsp").forward(request, response);
+          else if(!(userPwd).equals(userPwd1))
+        	  request.getRequestDispatcher("/error.jsp").forward(request, response);
+          else
+          {
+        	  request.setAttribute("power", "1");
+        	  request.getRequestDispatcher("/input.jsp").forward(request, response);
+          }
+	}
+
+	/**
+	 * Initialization of the servlet. <br>
+	 *
+	 * @throws ServletException if an error occurs
+	 */
+	public void init() throws ServletException {
+		// Put your code here
+	}
+
+}
diff --git a/jweb/web/error.jsp b/jweb/web/error.jsp
@@ -0,0 +1,35 @@
+<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
+<%
+String path = request.getContextPath();
+String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
+%>
+
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html>
+  <head>
+    <base href="<%=basePath%>">
+
+    <title>My JSP 'error.jsp' starting page</title>
+
+	<meta http-equiv="pragma" content="no-cache">
+	<meta http-equiv="cache-control" content="no-cache">
+	<meta http-equiv="expires" content="0">    
+	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
+	<meta http-equiv="description" content="This is my page">
+	<!--
+	<link rel="stylesheet" type="text/css" href="styles.css">
+	-->
+
+  </head>
+
+  <body>
+    <%
+      String username=(String)request.getAttribute("username");
+      String userpwd=(String)request.getAttribute("userpwd");
+      out.println(username+userpwd);
+     %><br/> 
+发生错误，请检查用户名与密码是否正确！！！<br/>
+     <a href="register.jsp">点击返回注册页面</a><br/>
+     <a href="index.jsp">点击返回登陆页面</a>
+  </body>
+</html>
diff --git a/jweb/web/index.jsp b/jweb/web/index.jsp
@@ -0,0 +1,54 @@
+<%@ page language="java" contentType="text/html; charset=UTF-8"
+   pageEncoding="UTF-8"%>
+<%@ page import="java.io.*,java.util.*" %>
+<%@ page import="javax.servlet.*,java.text.*" %>
+<%
+String path = request.getContextPath();
+String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
+%>
+
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html>
+  <head>
+    <base href="<%=basePath%>">
+
+    <title>登陆页面</title>
+	<meta http-equiv="pragma" content="no-cache">
+	<meta http-equiv="cache-control" content="no-cache">
+	<meta http-equiv="expires" content="0">    
+	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
+	<meta http-equiv="description" content="This is my page">
+	<!--
+	<link rel="stylesheet" type="text/css" href="styles.css">
+	-->
+  </head>
+
+  <body>
+  <form action="servlet/indexcheck" method="post">
+   <table border="1" align="center" width="600">
+   <tr><td colspan="3" align="center" height="40">登陆</td></tr>
+   <tr><td align="right">用户名：*</td>
+   <td><input type="text" name="username"/></td>
+   <td>输入账号！</td>
+   </tr>
+   <tr><td align="right">密码：*</td>
+   <td><input type="password" name="userpwd"/></td>
+   <td>输入密码！</td>
+   </tr>
+   <tr><td colspan="3" align="center" height="40">
+   <input type="submit" value="登陆"/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+   <input type="reset" value="取消"/>
+   </td>
+   </tr>
+   </table>
+  </form>
+  <a href="register.jsp">尚未注册？点击前往。</a>
+<small>
+ 	    	<%
+ 			   Date now=new Date();
+ 			  SimpleDateFormat ft = new SimpleDateFormat ("yyyy-MM-dd");
+			   out.print( "现在时间是："+now + ft.format(now));
+ 			%>
+ </small>
+  </body>
+</html>
diff --git a/jweb/web/info.jsp b/jweb/web/info.jsp
@@ -0,0 +1,29 @@
+<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
+<%
+String path = request.getContextPath();
+String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
+%>
+
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html>
+  <head>
+    <base href="<%=basePath%>">
+
+    <title>My JSP 'info.jsp' starting page</title>
+
+	<meta http-equiv="pragma" content="no-cache">
+	<meta http-equiv="cache-control" content="no-cache">
+	<meta http-equiv="expires" content="0">    
+	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
+	<meta http-equiv="description" content="This is my page">
+	<!--
+	<link rel="stylesheet" type="text/css" href="styles.css">
+	-->
+
+  </head>
+
+  <body>
+   <%=request.getAttribute("user") %><br/>
+   <%=request.getAttribute("info") %>
+  </body>
+</html>