hzuapps#5 hzuapps#78 提交实验代码

HCJ0HCJ · Nov 5, 2016 · f29089c · f29089c
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diff --git a/jweb/src/edu/hzu/javaweb/labs/se1414080902138/EncodingFilter.java b/jweb/src/edu/hzu/javaweb/labs/se1414080902138/EncodingFilter.java
@@ -0,0 +1,53 @@
+package edu.hzu.javaweb.labs.se1414080902138;
+
+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;
+
+/**
+ * Servlet Filter implementation class EncodingFilter
+ */
+@WebFilter(filterName="EncodingFilter",urlPatterns="/*")
+public class EncodingFilter implements Filter {
+
+    /**
+     * Default constructor. 
+     */
+    public EncodingFilter() {
+        // 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 {
+		// TODO Auto-generated method stub
+		// place your code here
+		// pass the request along the filter chain
+		System.out.println("EncodingFilter---->>>>Filter¿ªÊ¼"); 
+		request.setCharacterEncoding("UTF-8");
+		response.setCharacterEncoding("UTF-8");
+		chain.doFilter(request, response);
+		System.out.println("EncodingFilter---->>>>Filter½áÊø");  
+	}
+
+	/**
+	 * @see Filter#init(FilterConfig)
+	 */
+	public void init(FilterConfig fConfig) throws ServletException {
+		// TODO Auto-generated method stub
+	}
+
+}
diff --git a/jweb/src/edu/hzu/javaweb/labs/se1414080902138/LoginFilter.java b/jweb/src/edu/hzu/javaweb/labs/se1414080902138/LoginFilter.java
@@ -0,0 +1,56 @@
+package edu.hzu.javaweb.labs.se1414080902138;
+
+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="LoginFilter",urlPatterns="/jweb/*")
+public class LoginFilter implements Filter {
+
+    /**
+     * Default constructor. 
+     */
+    public LoginFilter() {
+        // 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 {
+		HttpServletRequest req = (HttpServletRequest) request;   
+		 	     HttpServletResponse res = (HttpServletResponse) response;   		 	  
+		 	     HttpSession session = req.getSession();   
+		 	    if (session.getAttribute("username") != null) {  
+		 	         chain.doFilter(request, response);   
+		 	     } else {   
+		 	         res.sendRedirect("../failure.jsp");   
+		 	     }
+	}
+
+	/**
+	 * @see Filter#init(FilterConfig)
+	 */
+	public void init(FilterConfig fConfig) throws ServletException {
+		// TODO Auto-generated method stub
+	}
+
+}
diff --git a/jweb/web/1414080902138/failure.jsp b/jweb/web/1414080902138/failure.jsp
@@ -0,0 +1,28 @@
+<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
+<%
+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 'failure.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>
+    The User name can not be empty. <br>
+  </body>
+</html>