JSP与SQL SERVER的留言本

王朝java/jsp·作者佚名  2006-01-09
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<!--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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