<!--add_message.jsp-->  <%@ page import="java.sql.*" %>  <HTML>  <HEAD>  <TITLE>add message into table </TITLE>  </HEAD>  <BODY>  <%  String name=request.getParameter("name");  String mail=request.getParameter("mail");  String title=request.getParameter("title");  String content=request.getParameter("content");  if(name==null)  name="";  if(title==null)  title="";  if(content==null)  content="";  if(mail==null)  mail="";  if(name.length()==0)  out.println("留言人姓名不能为空!");  else if(title.length()==0)  out.println("留言主题不能为空!");  else if(content.length()==0)  out.println("留言内容不能为空!");  else  {  java.util.Date date=new java.util.Date();  String datetime=new Timestamp(date.getTime()).toString(); try  {  Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");  String url="jdbc:odbc:user_db";  Connection con=DriverManager.getConnection(url,"insher","insher");  PreparedStatement stm=con.prepareStatement("insert into message values(?,?,?,?,?)");  stm.setString(1,title);  stm.setString(2,name);  if(mail.length()==0)  stm.setString(3,null);  else stm.setString(3,mail);  stm.setString(4,datetime);  stm.setString(5,content);  try  {  stm.executeQuery();  } catch(Exception e)  {}  con.close();  }  catch (Exception e)  {}  %>  <jsp:forward page="view_message.jsp" />  <%  }  %>  </body>  </html>   <!--add_message.jsp--  <%@ page import="java.sql.*" %>  <HTML>  <HEAD>  <TITLE>add message into table </TITLE>  </HEAD>  <BODY>  <%  String name=request.getParameter("name");  String mail=request.getParameter("mail");  String title=request.getParameter("title");  String content=request.getParameter("content");  if(name==null)  name="";  if(title==null)  title="";  if(content==null)  content="";  if(mail==null)  mail="";  if(name.length()==0)  out.println("留言人姓名不能为空!");  else if(title.length()==0)  out.println("留言主题不能为空!");  else if(content.length()==0)  out.println("留言内容不能为空!");  else  {  java.util.Date date=new java.util.Date();  String datetime=new Timestamp(date.getTime()).toString(); 
 try  {  Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");  String url="jdbc:odbc:user_db";  Connection con=DriverManager.getConnection(url,"insher","insher");  PreparedStatement stm=con.prepareStatement("insert into message values(?,?,?,?,?)");  stm.setString(1,title);  stm.setString(2,name);  if(mail.length()==0)  stm.setString(3,null);  else stm.setString(3,mail);  stm.setString(4,datetime);  stm.setString(5,content);  try  {  stm.executeQuery();  } catch(Exception e)  {}  con.close();  }  catch (Exception e)  {}  %>  <jsp:forward page="view_message.jsp" />  <%  }  %>  </body>  </html>   <!-- index.html -->  <HTML>  <HEAD>  <TITLE> message board </TITLE>  </HEAD>  <BODY>  <TABLE width="90%" align="center" border=1 cellspacing="0" cellpadding="0" bordercolordark="#88a6dd" bordercolorlight="#88a6dd">  <TR>  <TD align="center" bgcolor="#88a6dd">访客留言板</TD>  </TR>  <TR>  <TD><TABLE align="center" border=1 cellspacing="0" cellpadding="0" bordercolordark="#88a6dd" bordercolorlight="#88a6dd">  <FORM ACTION="add_message.jsp">  <TR>  <TD>姓名:</TD>  <TD bgcolor="#88a6dd"><input type="text" name="name" size=25></TD>  </TR>  <TR>  <TD bgcolor="#88a6dd">E-mail:</TD>  <TD bgcolor="#88a6dd"><input type="text" name="mail" size=25></TD>  </TR>  <TR>  <TD>主题:</TD>  <TD bgcolor="#88a6dd"><input type="text" name="title" size=25></TD>  </TR>  <TR>  <TD valign="top" bgcolor="#88a6dd">留言:</TD>  <TD><textarea name="content" rows=7 cols=25></textarea></TD>  </TR>  <TR>  <TD colspan=3><TABLE align="center" width="100%" cellspacing="0" cellpadding="0" bordercolordark="#88a6dd" bordercolorlight="#88a6dd">  <TR>  <TD align="center" bgcolor="#88a6dd"><input type="submit" value="提交留言"></TD>  <TD align="center"><a href="view_message.jsp"><font size=2>查看留言</font></a></TD>  <TD align="center" bgcolor="#88a6dd"><input type="reset" value="重新填写"></TD>  </TR>  </TABLE></TD>  </TR>  </FORM>  </TABLE></TD>  </TR>  </TABLE>  </BODY>  </HTML> 
  <HTML>  <HEAD>  <TITLE> message board </TITLE>  </HEAD>  <BODY>  <TABLE width="60%" align="center" border=1 cellspacing="0" cellpadding="0" bordercolordark="#88a6dd" bordercolorlight="#88a6dd">  <TR>  <TD align="center" bgcolor="#88a6dd">访客留言板</TD>  </TR>  <TR>  <TD><TABLE align="center" border=1 cellspacing="0" cellpadding="0" bordercolordark="#88a6dd" bordercolorlight="#88a6dd">  <FORM ACTION="add_message.jsp">  <TR>  <TD>姓名:</TD>  <TD bgcolor="#88a6dd"><input type="text" name="name" size=25></TD>  </TR>  <TR>  <TD bgcolor="#88a6dd">E-mail:</TD>  <TD bgcolor="#88a6dd"><input type="text" name="mail" size=25></TD>  </TR>  <TR>  <TD>主题:</TD>  <TD bgcolor="#88a6dd"><input type="text" name="title" size=25></TD>  </TR>  <TR>  <TD valign="top" bgcolor="#88a6dd">留言:</TD>  <TD><textarea name="content" rows=7 cols=25></textarea></TD>  </TR>  <TR>  <TD colspan=3><TABLE align="center" width="100%" cellspacing="0" cellpadding="0" bordercolordark="#88a6dd" bordercolorlight="#88a6dd">  <TR>  <TD align="center" bgcolor="#88a6dd"><input type="submit" value="提交留言"></TD>  <TD align="center"><a href="view_message.jsp"><font size=2>查看留言</font></a></TD>  <TD align="center" bgcolor="#88a6dd"><input type="reset" value="重新填写"></TD>  </TR>  </TABLE></TD>  </TR>  </FORM>  </TABLE></TD>  </TR>  </TABLE>  </BODY>  </HTML> 
  <!--view_message.jsp-->  <%@ page import="java.sql.*" %>  <HTML>  <HEAD>  <TITLE> show the message in the table </TITLE>  </HEAD>  <BODY>  <p align="center">所有访客留言</p>  <hr>  <%  try  {  Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");  String url="jdbc:odbc:user_db";  Connection con=DriverManager.getConnection(url,"insher","insher");  Statement stm=con.createStatement();  ResultSet result=stm.executeQuery("select count(*) from message");  int message_count=0;  if(result.next())  {  message_count=result.getInt(1);  result.close();  }  if(message_count>0)  {  result=stm.executeQuery("select * from message order by time desc");  while(result.next())  {  String title=result.getString("title");  String name=result.getString("name");  String mail=result.getString("mail");  Timestamp time=result.getTimestamp("time");  Date date_time=new Date(time.getTime());  Time time_time=new Time(time.getTime());  String content=result.getString("content");  %>  <TABLE width="100%" align="center" border=1 cellspacing="0" cellpadding="0" bordercolordark="#000000" bordercolorlight="#88a6dd">  <tr><td bgcolor="#88a6dd"><font size=2>主题:</font></td>  <td colspan=3><%=title%></td></tr>  <tr><td bgcolor="#88a6dd"><font size=2>留言人:</font></td>  <td><%=name%></td><td bgcolor="#88a6dd"><font size=2>E-mail:</font></td>  <td>  <%  out.println("<a href=mailto:"+mail+">"+mail+"</a>");  %>  </td></tr>  <tr><td bgcolor="#88a6dd"><font size=2>留言时间:</font></td><td colspan=3>  <%  out.println("<font size=2>"+date_time+" "+time_time+"</font>");  %>  </td></tr>  <tr><td align="center">  <%  out.println("("+message_count+")");  %>  </td>  <td colspan=3><%=content%>  </td></tr>  </table>  <%  out.println("<hr>");  message_count--;  }  result.close();  con.close();  }  else  {  out.println("目前还没有任何留言!");  con.close();  }  } catch(Exception e)  {out.println(e);}  %>  <p align="center"><a href="../message/index.html">我要留言</a></p>  </body>  </html> 
  <!--view_message.jsp-->  <%@ page import="java.sql.*" %>  <HTML>  <HEAD>  <TITLE> show the message in the table </TITLE>  </HEAD>  <BODY>  <p align="center">所有访客留言</p>  <hr>  <%  try  {  Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");  String url="jdbc:odbc:user_db";  Connection con=DriverManager.getConnection(url,"insher","insher");  Statement stm=con.createStatement();  ResultSet result=stm.executeQuery("select count(*) from message");  int message_count=0;  if(result.next())  {  message_count=result.getInt(1);  result.close();  }  if(message_count>0)  {  result=stm.executeQuery("select * from message order by time desc");  while(result.next())  {  String title=result.getString("title");  String name=result.getString("name");  String mail=result.getString("mail");  Timestamp time=result.getTimestamp("time");  Date date_time=new Date(time.getTime());  Time time_time=new Time(time.getTime());  String content=result.getString("content");  %>  <TABLE width="100%" align="center" border=1 cellspacing="0" cellpadding="0" bordercolordark="#000000" bordercolorlight="#88a6dd">  <tr><td bgcolor="#88a6dd"><font size=2>主题:</font></td>  <td colspan=3><%=title%></td></tr>  <tr><td bgcolor="#88a6dd"><font size=2>留言人:</font></td>  <td><%=name%></td><td bgcolor="#88a6dd"><font size=2>E-mail:</font></td>  <td>  <%  out.println("<a href=mailto:"+mail+">"+mail+"</a>");  %>  </td></tr>  <tr><td bgcolor="#88a6dd"><font size=2>留言时间:</font></td><td colspan=3>  <%  out.println("<font size=2>"+date_time+time_time+"</font>");  %>  </td></tr>  <tr><td align="center">  <%  out.println("("+message_count+")");  %>  </td>  <td colspan=3><%=content%>  </td></tr>  </table>  <%  out.println("<hr>");  message_count--;  }  result.close();  con.close();  }  else  {  out.println("目前还没有任何留言!");  con.close();  }  } catch(Exception e)  {out.println(e);}  %>  <p align="center"><a href="../message/index.html">我要留言</a></p>  </body>  </html> 
 
  
 
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