JSP 08课
Posted naoguakerteng
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<%@page import="com.gd.entity.Msg"%> <%@page import="com.gd.dao.MsgDao"%> <%@page import="com.gd.entity.Users"%> <%@ 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 ‘main.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> <% Users u = (Users) session.getAttribute("user"); MsgDao md=new MsgDao(); List<Msg> list=md.getMailByReceiver(u.getUsername()); %> <a href="editemail.jsp">写邮件</a> <table border="0" cellpadding="0" cellspacing="0" align="center" width="750px"> <td width="100px" height="35px">username</td> <td width="100px" height="35px">title</td> <td width="150px" height="35px">msgcontent</td> <td width="100px" height="35px">state</td> <td width="100px" height="35px">sendto</td> <td width="200px" height="35px">msg_create_date</td> <% for(int i=0;i<list.size();i++){ %> <tr> <td><%=list.get(i).getMsgid() %></td> <td><%=list.get(i).getUsernname() %></td> <td><a href="detail.jsp?id=<%=list.get(i).getMsgid()%>"><%=list.get(i).getTitle()%></a></td> <td><%=list.get(i).getSendto() %></td> <td><% if(list.get(i).getState()==1){ %> <img src="images/sms_unReaded.png"></img> <%}else{ %> <img src="images/sms_readed.png"></img> <%} %> </td><!-- 0已读,1未读 --> <td><%=list.get(i).getMsg_create_date() %></td> <td><a href="">回复</a></td> <td><a href="">删除</a></td> </tr> <%} %> </talbe> </body> </html>
PreparedStatement ps = null; ResultSet rs = null; try { Class.forName("com.mysql.jdbc.Driver"); //加载驱动 String url = "jdbc:mysql://localhost:3306/jdbcjsp"; String user = "root"; String password = "root"; conn = DriverManager.getConnection(url, user, password); // 连接对象 //conn = BaseDao.getConnection(); %> <form action="insert.jsp" name="huifu" method="post"> 用户:<input type="text" name="sendtoid"><br> <br> 标题:<input type="text" name="ctitle"><br> <br> 正文:<input type="text" name="ccontent"><br> <br> <input type="submit" value="发送"> <a href="main.jsp">返回</a> </form> <% } catch (Exception e) { e.printStackTrace(); } finally { //BaseDao.closeAll(conn, ps, rs); try { if (rs != null) { rs.close(); } } finally { try { if (ps != null) { ps.close(); } } finally { if (conn != null) { conn.close(); } } } } %> </body> </html>
<%@ page language="java" import="java.util.*" import="java.sql.*" import="com.gd.entity.Msg" 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 ‘insert.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.setCharacterEncoding("utf-8"); String uuname = (String) session.getAttribute("uuname"); String ctitle = request.getParameter("ctitle"); String ccontent = request.getParameter("ccontent"); String sendtoid = request.getParameter("sendtoid"); //获取邮件列表页面输入的标题 String contitle = (String) session.getAttribute("newcontitle"); Connection conn = null; PreparedStatement ps = null; ResultSet rs = null; try { Class.forName("com.mysql.jdbc.Driver"); //加载驱动 String url = "jdbc:mysql://localhost:3306/jdbcjsp"; String user = "root"; String password = "root"; conn = DriverManager.getConnection(url, user, password); // 连接对象 //conn = BaseDao.getConnection(); %> <% if(contitle!=null){ Msg msg = new Msg(); ps = conn.prepareStatement("select * from msg where title=?and usernname=?"); ps.setString(1, contitle); ps.setString(2, uuname); rs = ps.executeQuery(); while (rs.next()) { ps = conn.prepareStatement("insert into msg(usernname,title,msgcontent,sendto,state,msg_create_date)" + "values(‘" +sendtoid + "‘,‘" + ctitle + "‘,‘" + ccontent + "‘,‘" + uuname + "‘,‘" + "1" + "‘,‘"+"2020-04-27"+"‘)"); ps.executeUpdate(); request.getRequestDispatcher("index.jsp").forward(request, response); %> <% } }else{ Msg msg = new Msg(); ps = conn.prepareStatement("insert into msg(usernname,title,msgcontent,sendto,state,msg_create_date)" + "values(‘" + sendtoid + "‘,‘" + ctitle + "‘,‘" + ccontent + "‘,‘" + uuname + "‘,‘" + "1" + "‘,‘"+"2020-04-27"+"‘)"); ps.executeUpdate(); request.getRequestDispatcher("index.jsp").forward(request, response); } %> <% } catch (Exception e) { e.printStackTrace(); } finally { //BaseDao.closeAll(conn, ps, rs); try { if (rs != null) { rs.close(); } } finally { try { if (ps != null) { ps.close(); } } finally { if (conn != null) { conn.close(); } } } } %> <br> </body> </html>
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