<body> <form action="dologin.jsp" method="post"> 用户名:<input type="text" name="uname" value="kitty" /><Br> 密码 :<input type="password" name="upwd" value="777" /><br> <input type="submit" value="登录"> </form> </body> index.jsp
<% request.setCharacterEncoding("utf-8"); String uname = request.getParameter("uname"); String upwd = request.getParameter("upwd"); UsersDao a = new UsersDao(); if (a.login(uname, upwd)) { request.getRequestDispatcher("main.jsp").forward(request, response); } else { response.sendRedirect("index.jsp"); } %> dologin.jsp
<body> <% request.setCharacterEncoding("utf-8"); String uname = request.getParameter("uname"); session.setAttribute("uname", uname); 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/users"; String user = "root"; String password = "root"; conn = DriverManager.getConnection(url, user, password); // 连接对象 //conn = BaseDao.getConnection(); %> <table align="center"> <tr> <td>username </td> <td>title </td> <td>msgcontent </td> <td>state </td> <td>sendto </td> <td>msg_create_date</td> </tr> <% Msg msg = new Msg(); ps = conn.prepareStatement("select * from msg where username=?"); ps.setString(1, uname); rs = ps.executeQuery(); while (rs.next()) { %> <tr> <td><%=rs.getString("username")%></td> <td><%=rs.getString("title")%></td> <td><%=rs.getString("msgcontent")%></td> <td> <% if (rs.getString("state").equals("1")) { %> <% out.print("未读"); %> <% } else { %> <% out.print("已读"); %> <% } %> </td> <td><%=rs.getString("sendto")%></td> <td><%=rs.getString("msg_create_date")%></td> </tr> <% } %> </table> <form action="content.jsp" method="post"> 按标题查询:<input type="text" name="contitle"> <input type="submit" value="查询"> </form> <br> <% } 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> main.jsp
<body> <% request.setCharacterEncoding("utf-8"); String uname = (String) session.getAttribute("uname"); String newstate = null; //获取邮件列表页面输入的标题 String contitle = request.getParameter("contitle"); 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/users"; String user = "root"; String password = "root"; conn = DriverManager.getConnection(url, user, password); // 连接对象 //conn = BaseDao.getConnection(); %> <% Msg msg = new Msg(); ps = conn.prepareStatement("select * from msg where title=?and username=?"); ps.setString(1, contitle); ps.setString(2, uname); rs = ps.executeQuery(); while (rs.next()) { %> <form action="" name="huifu" method="post"> sendto <%=rs.getString("sendto")%><br> <br>标题:<%=rs.getString("title")%><br> <br> 正文:<%=rs.getString("msgcontent")%><br> <% //更新阅读状态 if (rs.getInt("state") == 1) { ps = conn.prepareStatement("update msg set state=? where state=? and title=?"); // 执行sql语句 ps.setInt(1, 0); ps.setInt(2, 1); ps.setString(3, contitle); ps.executeUpdate(); break; } %> <% } %> </form> <form action="insert.jsp" method="post"> <% session.setAttribute("uuname", uname); session.setAttribute("newcontitle", contitle); %><input type="submit" value="回复"> </form> <form action="main2.jsp" method="post"> <% session.setAttribute("uuname", uname); %> <input type="submit" value="返回邮件列表" name="newyjlb"> </form> <form action="delete.jsp" method="post"> <% session.setAttribute("uuname", uname); session.setAttribute("newcontitle", contitle); %> <input type="submit" value="删除邮件" name="deleteyj"> </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> content
<body> <% request.setCharacterEncoding("utf-8"); String uuname = (String) session.getAttribute("uuname"); //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/users"; String user = "root"; String password = "root"; conn = DriverManager.getConnection(url, user, password); // 连接对象 //conn = BaseDao.getConnection(); %> <% Msg msg = new Msg(); ps = conn.prepareStatement("select * from msg where title=?and username=?"); ps.setString(1, contitle); ps.setString(2, uuname); rs = ps.executeQuery(); while (rs.next()) { %> <form action="insert2.jsp" name="huifu" method="post"> sendto <%=rs.getString("sendto")%><br> <br> 标题:<input type="text" name="ctitle"><br> <br> 正文:<input type="text" name="ccontent"><br> <input type="submit" value="发送"> </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(); } } } } %> <br> </body> insert.jsp
<body> <% request.setCharacterEncoding("utf-8"); String uuname = (String) session.getAttribute("uuname"); String ctitle = request.getParameter("ctitle"); String ccontent = request.getParameter("ccontent"); //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/users"; String user = "root"; String password = "root"; conn = DriverManager.getConnection(url, user, password); // 连接对象 //conn = BaseDao.getConnection(); %> <% Msg msg = new Msg(); ps = conn.prepareStatement("select * from msg where title=?and username=?"); ps.setString(1, contitle); ps.setString(2, uuname); rs = ps.executeQuery(); while (rs.next()) { ps = conn.prepareStatement("insert into msg(username,title,msgcontent,sendto,state,msg_create_date)" + "values('" + rs.getString("sendto") + "','" + 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> insert2.jsp
<body> <% request.setCharacterEncoding("utf-8"); String uuname = (String) session.getAttribute("uuname"); //获取邮件列表页面输入的标题 //从content.jsp session传过来的 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/users"; String user = "root"; String password = "root"; conn = DriverManager.getConnection(url, user, password); // 连接对象 //conn = BaseDao.getConnection(); %> <table align="center"> <tr> <td>username </td> <td>title </td> <td>msgcontent </td> <td>state </td> <td>sendto </td> <td>msg_create_date</td> </tr> <% Msg msg = new Msg(); ps = conn.prepareStatement("delete from msg where title=?and username=?"); // 执行sql语句 ps.setString(1, contitle); ps.setString(2, uuname); ps.executeUpdate(); ps = conn.prepareStatement("select * from msg where username=?"); ps.setString(1, uuname); rs = ps.executeQuery(); while (rs.next()) { %> <tr> <td><%=rs.getString("username")%></td> <td><%=rs.getString("title")%></td> <td><%=rs.getString("msgcontent")%></td> <td> <% if (rs.getString("state").equals("1")) { %> <% out.print("未读"); %> <% } else { %> <% out.print("已读"); %> <% } %> </td> <td><%=rs.getString("sendto")%></td> <td><%=rs.getString("msg_create_date")%></td> </tr> <% } %> </table> <% } 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> delete.jsp
<body> <% //查询邮件列表 request.setCharacterEncoding("utf-8"); String uuname = (String) session.getAttribute("uuname"); 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/users"; String user = "root"; String password = "root"; conn = DriverManager.getConnection(url, user, password); // 连接对象 //conn = BaseDao.getConnection(); %> <table align="center"> <tr> <td>username </td> <td>title </td> <td>msgcontent </td> <td>state </td> <td>sendto </td> <td>msg_create_date</td> </tr> <% //查询语句(返回的邮件列表) Msg msg = new Msg(); ps = conn.prepareStatement("select * from msg where username=?"); ps.setString(1, uuname); rs = ps.executeQuery(); while (rs.next()) { %> <!-- 把输入内容放在table里 --> <tr> <td><%=rs.getString("username")%></td> <td><%=rs.getString("title")%></td> <td><%=rs.getString("msgcontent")%></td> <td> <% //判断是否读取“1”为未读“0”已读 if (rs.getString("state").equals("1")) { %> <% out.print("未读"); %> <% } else { %> <% out.print("已读"); %> <% } %> </td> <td><%=rs.getString("sendto")%></td> <td><%=rs.getString("msg_create_date")%></td> </tr> <% } %> </table> <form action="content.jsp" method="post"> 按标题查询:<input type="text" name="contitle"> <input type="submit" value="查询"> </form> <br> <% } 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> main2.jsp