hzuapps · chunliwang · Sep 7, 2016 · Nov 24, 2016 · Dec 27, 2016
diff --git a/jweb/src/edu/hzu/javaweb/labs/se1414080902141/FilterTest.java b/jweb/src/edu/hzu/javaweb/labs/se1414080902141/FilterTest.java
@@ -0,0 +1,46 @@
+package se1414080902141;
+
+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.HttpSession;
+
+public class FilterTest implements Filter {
+
+	@Override
+	public void destroy() {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public void doFilter(ServletRequest request, ServletResponse response,
+			FilterChain chain) throws IOException, ServletException {
+		HttpServletRequest requ=(HttpServletRequest)request;
+		HttpServletResponse resp=(HttpServletResponse)response;
+		HttpSession session=requ.getSession(true);
+		if(session.getAttribute("u_name")==null){
+			resp.sendRedirect("login.jsp");
+
+		}else{
+			chain.doFilter(request,response);
+		}
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public void init(FilterConfig filterConfig) throws ServletException {
+		// TODO Auto-generated method stub
+
+	}
+
+}
diff --git a/jweb/src/edu/hzu/javaweb/labs/se1414080902141/denglu.jsp b/jweb/src/edu/hzu/javaweb/labs/se1414080902141/denglu.jsp
@@ -0,0 +1,90 @@
+<%@ page language="java" contentType="text/html; charset="ISO-8859-1" pageEncoding="utf-8"%>
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+<title>Insert title here</title>
+</head>
+<body>
+<h3><center>欢迎你，已成功登录贩卖机管理系统</center></h3>
+
+<form action="success.jsp" method="post">
+
+<p>现在你可以对以下商品进行更新：</p>
+<select>
+<c:if test="${number>=0&&number<=10} }">现在需要增加矿泉水的数量：</c:if>
+<option>5瓶</option>
+<option>10瓶</option>
+<option>15瓶</option>
+<option>20瓶</option>
+</select>
+<c:if test="${number>=20}">现在的矿泉水数量充足，不需要增加</c:if>
+
+<select>
+<c:if test="${number>=0&&number<=10}">现在需要增加宝矿力饮品的数量：</c:if>
+<option>5瓶</option>
+<option>10瓶</option>
+<option>15瓶</option>
+<option>20瓶</option>
+</select>
+<c:if test="${number>=20}">现在的宝矿力饮品数量充足，不需要增加</c:if>
+
+<select>
+<c:if test="${number>=0&&number<=10}">现在需要增加加多宝饮品的数量：</c:if>
+<option>5瓶</option>
+<option>10瓶</option>
+<option>15瓶</option>
+<option>20瓶</option>
+</select>
+<c:if test="${number>=20}">现在的加多宝饮品数量充足，不需要增加</c:if>
+
+<select>
+<c:if test="${number>=0&&number<=10}">现在需要可乐饮品的数量：</c:if>
+<option>5瓶</option>
+<option>10瓶</option>
+<option>15瓶</option>
+<option>20瓶</option>
+</select>
+<c:if test="${number>=20}">现在的可乐饮品数量充足，不需要增加</c:if>
+
+<select>
+<c:if test="${number>=0&&number<=10}">现在需要增加雪碧饮品的数量：</c:if>
+<option>5瓶</option>
+<option>10瓶</option>
+<option>15瓶</option>
+<option>20瓶</option>
+</select>
+<c:if test="${number>=20}">现在的雪碧饮品数量充足，不需要增加</c:if>
+
+<select>
+<c:if test="${number>=0&&number<=10}">现在需要增加果粒橙饮品的数量：</c:if>
+<option>5瓶</option>
+<option>10瓶</option>
+<option>15瓶</option>
+<option>20瓶</option>
+</select>
+<c:if test="${number>=20}">现在的果粒橙饮品数量充足，不需要增加</c:if>
+
+<select>
+<c:if test="${number>=0&&number<=10}">现在需要增加芬达饮品的数量：</c:if>
+<option>5瓶</option>
+<option>10瓶</option>
+<option>15瓶</option>
+<option>20瓶</option>
+</selcet>
+<c:if test="${number>=20}">现在的芬达饮品数量充足，不需要增加</c:if>
+
+<select>
+<c:if test="${number>=0&&number<=10}">现在需要增加咖啡饮品的数量：</c:if>
+<option>5瓶</option>
+<option>10瓶</option>
+<option>15瓶</option>
+<option>20瓶</option>
+</select>
+<c:if test="${number>=20}">现在的咖啡饮品充足，不需要增加</c:if>
+<p>
+<input type="submit" name="以修改" value="确认修改" >
+</p>
+</form>
+</body>
+</html>
diff --git a/jweb/src/edu/hzu/javaweb/labs/se1414080902141/se1414080902141servlet.java b/jweb/src/edu/hzu/javaweb/labs/se1414080902141/se1414080902141servlet.java
@@ -0,0 +1,93 @@
+package se1414080902141;
+
+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 Se1414080902141Servlet extends HttpServlet {
+
+	/**
+	 * Constructor of the object.
+	 */
+	public se1414080902141servlet() {
+		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 {
+
+		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 POST method");
+		out.println("  </BODY>");
+		out.println("</HTML>");
+		out.flush();
+		out.close();
+	}
+
+	/**
+	 * 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/se1414080902141/show.jsp b/jweb/src/edu/hzu/javaweb/labs/se1414080902141/show.jsp
@@ -0,0 +1,44 @@
+<%@ 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>展示贩卖机管理系统的主页面</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>
+   <% Calendar rightNow=Calendar.getInstance();
+      Integer Hour=new Integer(rightNow.get(Calendar.HOUR_OF_DAY));
+      request.setAttribute("hour",Hour);
+%>
+  <h3><center>欢迎来到贩卖机管理系统界面</center></h3>
+  <c:if test="${hour>=0&&hour<=10}"><center>欢迎你，早上好！</center></c:if>
+  <c:if test="${hour>10&&hour<=19}"><center>欢迎你，下午好！</center></c:if>
+  <c:if test="${hour>19&&hour<=24}"><center>欢迎你，晚上好！</center></c:if>
+
+  <form action="denglu.jsp" method="post">
+  <p>请输入你的员工号:
+  <input type="test" name="你的账号"> 
+  </p>
+  <p>请输入你的登录密码:
+  <input type="submit" name="你的密码" value="登录"> 
+  </p>
+</form>
+</body>
+</html>  
diff --git a/jweb/src/edu/hzu/javaweb/labs/se1414080902141/success.jsp b/jweb/src/edu/hzu/javaweb/labs/se1414080902141/success.jsp
@@ -0,0 +1,16 @@
+<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
+    pageEncoding="utf-8"%>
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+<title>Insert title here</title>
+</head>
+<body>
+<form action="show.jsp" method="post">
+<h2><center>恭喜你，你已成功完成本次任务，请下次及时对商品进行补充!</center></h2>
+<p>你将返回登录界面</p>
+<input type="submit" value="返回">
+</form>
+</body>
+</html>
diff --git a/labs/se1414080902141/FilterTest.java b/labs/se1414080902141/FilterTest.java
@@ -0,0 +1,46 @@
+package se1414080902141;
+
+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.HttpSession;
+
+public class FilterTest implements Filter {
+
+	@Override
+	public void destroy() {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public void doFilter(ServletRequest request, ServletResponse response,
+			FilterChain chain) throws IOException, ServletException {
+		HttpServletRequest requ=(HttpServletRequest)request;
+		HttpServletResponse resp=(HttpServletResponse)response;
+		HttpSession session=requ.getSession(true);
+		if(session.getAttribute("u_name")==null){
+			resp.sendRedirect("login.jsp");
+
+		}else{
+			chain.doFilter(request,response);
+		}
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public void init(FilterConfig filterConfig) throws ServletException {
+		// TODO Auto-generated method stub
+
+	}
+
+}
diff --git a/labs/se1414080902141/README.md b/labs/se1414080902141/README.md
@@ -0,0 +1,20 @@
+# 高级网页设计（Java Web）实验库
+讲义：http://zeng.shaoning.net/javaweb
+
+# 实验一：Web基础
+https://github.com/hzuapps/java-web/issues/2
+# 实验二：Tomcat基础
+https://github.com/hzuapps/java-web/issues/3
+# 实验三：Servlet基础
+https://github.com/hzuapps/java-web/issues/4
+# 实验四：Filter基础
+https://github.com/hzuapps/java-web/issues/5
+
+# 参考资料
+
+Java EE官方教程：http://docs.oracle.com/javaee/6/tutorial/doc/bnadr.html  
+JDBC官方教程：https://docs.oracle.com/javase/tutorial/jdbc/  
+Java Web入门教程：http://www.journaldev.com/1854/java-web-application-tutorial-for-beginners  
+Spring框架：http://spring.io/   
+Hibernate框架：http://www.hibernate.org   
+Eclipse：http://www.eclipse.org