jsp第十三周作业
1.第十二周上机作业（邮件功能）的控制层代码改用为servlet实现。
<%@page import="com.gd.entity.Email"%> <%@page import="com.gd.dao.EmailDao"%> <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>du.jsp</title> </head> <body> <% String id = request.getParameter("id"); int eid = Integer.parseInt(id); EmailDao ed = new EmailDao(); ed.GauBian(eid); Email email = ed.getOneEmail(eid); %> <table border="1px"> <tr> <td>发件人：</td> <td><%=email.getFa()%></td> </tr> <tr> <td>标题：</td> <td><%=email.getBiao()%></td> </tr> <tr> <td>内容：</td> <td><%=email.getNei()%></td> </tr> <tr> <td>时间：</td> <td><%=email.getTime()%></td> </tr> </table><br> <a href="index.jsp">返回</a> </body> </html>
<%@page import="com.gd.entity.Email"%> <%@page import="com.gd.dao.EmailDao"%> <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>index.jsp</title> </head> <body> <% EmailDao mail = new EmailDao(); String user = (String) session.getAttribute("user"); List<Email> MailList = mail.getAllEmail(user); %> 欢迎你：<%=user%> <br> <br> <table border="1px"> <tr> <td>编号</td> <td>收件人</td> <td>标题</td> <td>状态</td> <td>发件人</td> <td>时间</td> <td>操作</td> <td>操作</td> </tr> <% for (int i = 0; i < MailList.size(); i++) { %> <tr> <td> <% out.print(MailList.get(i).getId()); %> </td> <td> <% out.print(MailList.get(i).getShou()); %> </td> <td><a href="du.jsp?id=<%=MailList.get(i).getId()%>"> <% out.print(MailList.get(i).getBiao()); %> </a> </td> <td> <% if (MailList.get(i).getZhuang() == 0) { %> <img src="./images/sms_unReaded.png" /> <% } else { %> <img src="./images/sms_readed.png" /> <% } %> </td> <td> <% out.print(MailList.get(i).getFa()); %> </td> <td> <% out.print(MailList.get(i).getTime()); %> </td> <td><a href="xie.jsp?reply=<%=MailList.get(i).getFa()%>">回复</a> </td> <td><a href="shan.jsp?id=<%=MailList.get(i).getId()%>">删除</a> </td> </tr> <% } %> </table> </body> </html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>MyJsp.jsp</title> </head> <body> <form action="deng" method="post" name="form1"> 用户名：<input name="name" type="text"><br> <br> 密码： <input name="password" type="password"><br> <br> <input type="button" value="登录" onclick="d()"> <a href="MyJsp2.jsp">注册 </a> <script type="text/javascript"> function d() { if (form1.name.value == "") { alert("用户名不能为空！"); return; } if (form1.password.value == "") { alert("密码不能为空！"); return; } form1.submit(); } </script> </form> </body> </html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>MyJsp2.jsp</title> </head> <body> <form action="zhuce" method="post" name="form2"> 用户名：<input name="name" type="text"><br><br> 密码： <input name="password1" type="password"><br><br> 确认密码：<input name="password2" type="password"><br><br> <input type="button" value="注册" onclick="zc()"> <a href="MyJsp.jsp">返回</a> <script type="text/javascript"> function zc() { if (form2.name.value == "") { alert("用户名不能为空！"); return; } if (form2.password1.value == "") { alert("密码不能为空！"); return; } if (form2.password2.value == "") { alert("确认密码不能为空！"); return; } if (form2.password1.value != form2.password2.value) { alert("密码不一致!"); return; } form2.submit(); } </script> </form> </body> </html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>xie.jsp</title> </head> <body> <form action="xie" method="post" > 收件人：<input type="text" name="shou" value="<%=request.getParameter("reply")%>"><br><br> 标题： <input type="text" name="biaoti"><br><br> 内 容：<br><br> <textarea rows="10" cols="30" name="nei"></textarea> <br> <input type="submit" value="发送"> <a href="index.jsp">返回</a> </form> </body> </html>
package com.gd.sevlet; 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; import com.gd.dao.UsersDao; public class deng extends HttpServlet { /** * Constructor of the object. */ public deng() { 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 { doPost(request, response); } /** * 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;charset=utf-8"); PrintWriter out = response.getWriter(); HttpSession session = request.getSession(); request.setCharacterEncoding("utf-8"); String name = request.getParameter("name"); String password = request.getParameter("password"); UsersDao d = new UsersDao(); if (d.DengLu(name, password)) { session.setAttribute("user", name); request.getRequestDispatcher("index.jsp").forward(request,response); } else { out.print("登陆失败！"); response.setHeader("refresh", "1;url=MyJsp.jsp"); } } /** * Initialization of the servlet. <br> * * @throws ServletException if an error occurs */ public void init() throws ServletException { // Put your code here } }
package com.gd.sevlet; 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 com.gd.dao.EmailDao; public class shan extends HttpServlet { /** * Constructor of the object. */ public shan() { 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 { doPost(request, response); } /** * 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;charset=utf-8"); PrintWriter out = response.getWriter(); request.setCharacterEncoding("utf-8"); int emailId = Integer.parseInt(request.getParameter("id")); EmailDao ed = new EmailDao(); ed.delEmail(emailId); response.sendRedirect("index.jsp"); } /** * Initialization of the servlet. <br> * * @throws ServletException if an error occurs */ public void init() throws ServletException { // Put your code here } }
package com.gd.sevlet; 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; import com.gd.dao.EmailDao; import com.gd.entity.Email; public class xie extends HttpServlet { /** * Constructor of the object. */ public xie() { 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 { doPost(request, response); } /** * 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;charset=utf-8"); PrintWriter out = response.getWriter(); HttpSession session = request.getSession(); request.setCharacterEncoding("utf-8"); String name = (String) session.getAttribute("user"); String shou = request.getParameter("shou"); String biao = request.getParameter("biaoti"); String nei = request.getParameter("nei"); Email e = new Email(); e.setFa(name); e.setBiao(biao); e.setNei(nei); e.setShou(shou); EmailDao ed = new EmailDao(); ed.addEmail(e); out.print("发送成功！"); response.setHeader("refresh", "1;url=index.jsp"); } /** * Initialization of the servlet. <br> * * @throws ServletException if an error occurs */ public void init() throws ServletException { // Put your code here } }
package com.gd.sevlet; 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 com.gd.dao.UsersDao; public class zhuce extends HttpServlet { /** * Constructor of the object. */ public zhuce() { 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 { doPost(request, response); } /** * 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;charset=utf-8"); PrintWriter out = response.getWriter(); request.setCharacterEncoding("utf-8"); String name = request.getParameter("name"); String password1 = request.getParameter("password1"); UsersDao d = new UsersDao(); int i = d.ZhuCe(name, password1); if (i > 0) { out.print("注册成功！"); response.setHeader("refresh", "1;url=MyJsp.jsp"); } else { out.print("注册失败！"); response.setHeader("refresh", "1;url=MyJsp2.jsp"); } } /** * Initialization of the servlet. <br> * * @throws ServletException if an error occurs */ public void init() throws ServletException { // Put your code here } }
