jsp第七次作业
<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
