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JSP and SQL Server's message book

Source: Internet
Author: User
Tags date count datetime empty insert odbc reset tostring
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Js|server


<!--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 ("Message person name cannot be empty!") ");
else if (title.length () ==0)
OUT.PRINTLN ("Message theme can not be empty!") ");
else if (content.length () ==0)
OUT.PRINTLN ("Message content can not be empty!") ");
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>

<!--add_message.jsp--
<%@ page import= "java.sql.*"%>
<HTML>
<HEAD>
<title >add message into table </TITLE>
</HEAD>
<BODY>
<%
String Name=request.getpara Meter ("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 ("message person name cannot be empty!") ");
Else if (title.length () ==0)
Out.println ("The message topic cannot be empty!") ");
Else if (content.length () ==0)
Out.println ("message content cannot be empty!") ");
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>

<!--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>
&LT;TD align= "center" bgcolor= "#88a6dd" > Guest Message Board </TD>
</TR>
<TR>
<td><table align= "center" border=1 cellspacing= "0" cellpadding= "0" bordercolordark= "#88a6dd" bordercolorlight= "#88a6dd" >
<form action= "add_message.jsp" >
<TR>
<TD> name:</td>
&LT;TD bgcolor= "#88a6dd" ><input type= "text" name= "name" size=25></td>
</TR>
<TR>
&LT;TD bgcolor= "#88a6dd" >E-mail:</TD>
&LT;TD bgcolor= "#88a6dd" ><input type= "text" name= "Mail" size=25></td>
</TR>
<TR>
<TD> Theme:</td>
&LT;TD bgcolor= "#88a6dd" ><input type= "text" name= "title" Size=25></td>
</TR>
<TR>
&LT;TD valign= "Top" bgcolor= "#88a6dd" > Message:</td>
<td><textarea name= "Content" rows=7 cols=25></textarea></td>
</TR>
<TR>
&LT;TD colspan=3><table align= "center" width= "100%" cellspacing= "0" cellpadding= "0" bordercolordark= "#88a6dd" bordercolorlight= "#88a6dd" >
<TR>
&LT;TD align= "center" bgcolor= "#88a6dd" ><input type= "submit" value= "Leave a Message" ></TD>
&LT;TD align= "center" ><a href= "view_message.jsp" ><font size=2> View message </font></a></td >
&LT;TD align= "center" bgcolor= "#88a6dd" ><input type= "reset" value= "re-fill" ></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>
&LT;TD align= "center" bgcolor= "#88a6dd" > Guest Message Board </TD>
</TR>
<TR>
<td><table align= "center" border=1 cellspacing= "0" cellpadding= "0" bordercolordark= "#88a6dd" bordercolorlight= "#88a6dd" >
<form action= "add_message.jsp" >
<TR>
<TD> name:</td>
&LT;TD bgcolor= "#88a6dd" ><input type= "text" name= "name" size=25></td>
</TR>
<TR>
&LT;TD bgcolor= "#88a6dd" >E-mail:</TD>
&LT;TD bgcolor= "#88a6dd" ><input type= "text" name= "Mail" size=25></td>
</TR>
<TR>
<TD> Theme:</td>
&LT;TD bgcolor= "#88a6dd" ><input type= "text" name= "title" Size=25></td>
</TR>
<TR>
&LT;TD valign= "Top" bgcolor= "#88a6dd" > Message:</td>
<td><textarea name= "Content" rows=7 cols=25></textarea></td>
</TR>
<TR>
&LT;TD colspan=3><table align= "center" width= "100%" cellspacing= "0" cellpadding= "0" bordercolordark= "#88a6dd" bordercolorlight= "#88a6dd" >
<TR>
&LT;TD align= "center" bgcolor= "#88a6dd" ><input type= "submit" value= "Leave a Message" ></TD>
&LT;TD align= "center" ><a href= "view_message.jsp" ><font size=2> View message </font></a></td >
&LT;TD align= "center" bgcolor= "#88a6dd" ><input type= "reset" value= "re-fill" ></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" > All guest Messages </p>
<%
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" >
&LT;TR&GT;&LT;TD bgcolor= "#88a6dd" ><font size=2> theme:</font></td>
&LT;TD colspan=3><%=title%></td></tr>
&LT;TR&GT;&LT;TD bgcolor= "#88a6dd" ><font size=2> message person:</font></td>
&LT;TD&GT;&LT;%=NAME%&GT;&LT;/TD&GT;&LT;TD bgcolor= "#88a6dd" ><font size=2>e-mail:</font></td >
<td>
<%
Out.println ("<a href=mailto:" +mail+ ">" +mail+ "</a>");
%>
</td></tr>
&LT;TR&GT;&LT;TD bgcolor= "#88a6dd" ><font size=2> message time: &LT;/FONT&GT;&LT;/TD&GT;&LT;TD colspan=3>
<%
Out.println ("<font size=2>" +date_time+ "" +time_time+ "</font>");
%>
</td></tr>
&LT;TR&GT;&LT;TD align= "center" >
<%
Out.println ("(" +message_count+ ")");
%>
</td>
&LT;TD colspan=3><%=content%>
</td></tr>
</table>
<%
Out.println ("message_count--;
}
Result.close ();
Con.close ();
}
Else
{
OUT.PRINTLN ("There are no messages yet!") ");
Con.close ();
}
catch (Exception e)
{out.println (e);}
%>
<p align= "center" ><a href= ". /message/index.html > I want to leave a message </a></p>
</body>

<!--view_message.jsp-->
<%@ page import= "java.sql.*"%>
<HTML>
<HEAD>
<TITLE> show the message in the table </TITLE>
</HEAD>
<BODY>
<p align= "center" > All guest Messages </p>
<%
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" >
&LT;TR&GT;&LT;TD bgcolor= "#88a6dd" ><font size=2> theme:</font></td>
&LT;TD colspan=3><%=title%></td></tr>
&LT;TR&GT;&LT;TD bgcolor= "#88a6dd" ><font size=2> message person:</font></td>
&LT;TD&GT;&LT;%=NAME%&GT;&LT;/TD&GT;&LT;TD bgcolor= "#88a6dd" ><font size=2>e-mail:</font></td >
<td>
<%
Out.println ("<a href=mailto:" +mail+ ">" +mail+ "</a>");
%>
</td></tr>
&LT;TR&GT;&LT;TD bgcolor= "#88a6dd" ><font size=2> message time: &LT;/FONT&GT;&LT;/TD&GT;&LT;TD colspan=3>
<%
Out.println ("<font size=2>" +date_time+time_time+ "</font>");
%>
</td></tr>
&LT;TR&GT;&LT;TD align= "center" >
<%
Out.println ("(" +message_count+ ")");
%>
</td>
&LT;TD colspan=3><%=content%>
</td></tr>
</table>
<%
Out.println ("message_count--;
}
Result.close ();
Con.close ();
}
Else
{
OUT.PRINTLN ("There are no messages yet!") ");
Con.close ();
}
catch (Exception e)
{out.println (e);}
%>
<p align= "center" ><a href= ". /message/index.html > I want to leave a message </a></p>
</body>



This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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