JSP与SQL SERVER的留言本

2003-08-10 10:35:42  作者

%26lt;!--add_message.jsp--%26gt;
%26lt;%@ page import="java.sql.*" %%26gt;
%26lt;HTML%26gt;
%26lt;HEAD%26gt;
%26lt;TITLE%26gt;add message into table %26lt;/TITLE%26gt;
%26lt;/HEAD%26gt;
%26lt;BODY%26gt;
%26lt;%
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)
{}
%%26gt;
%26lt;jsp:forward page="view_message.jsp" /%26gt;
%26lt;%
}
%%26gt;
%26lt;/body%26gt;
%26lt;/html%26gt;


%26lt;!--add_message.jsp--
%26lt;%@ page import="java.sql.*" %%26gt;
%26lt;HTML%26gt;
%26lt;HEAD%26gt;
%26lt;TITLE%26gt;add message into table %26lt;/TITLE%26gt;
%26lt;/HEAD%26gt;
%26lt;BODY%26gt;
%26lt;%
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)
{}
%%26gt;
%26lt;jsp:forward page="view_message.jsp" /%26gt;
%26lt;%
}
%%26gt;
%26lt;/body%26gt;
%26lt;/html%26gt;


%26lt;!-- index.html --%26gt;
%26lt;HTML%26gt;
%26lt;HEAD%26gt;
%26lt;TITLE%26gt; message board %26lt;/TITLE%26gt;
%26lt;/HEAD%26gt;
%26lt;BODY%26gt;
%26lt;TABLE width="90%" align="center" border=1 cellspacing="0" cellpadding="0" bordercolordark="#88a6dd" bordercolorlight="#88a6dd"%26gt;
%26lt;TR%26gt;
%26lt;TD align="center" bgcolor="#88a6dd"%26gt;访客留言板%26lt;/TD%26gt;
%26lt;/TR%26gt;
%26lt;TR%26gt;
%26lt;TD%26gt;%26lt;TABLE align="center" border=1 cellspacing="0" cellpadding="0" bordercolordark="#88a6dd" bordercolorlight="#88a6dd"%26gt;
%26lt;FORM ACTION="add_message.jsp"%26gt;
%26lt;TR%26gt;
%26lt;TD%26gt;姓名%26lt;/TD%26gt;
%26lt;TD bgcolor="#88a6dd"%26gt;%26lt;input type="text" name="name" size=25%26gt;%26lt;/TD%26gt;
%26lt;/TR%26gt;
%26lt;TR%26gt;
%26lt;TD bgcolor="#88a6dd"%26gt;E-mail%26lt;/TD%26gt;
%26lt;TD bgcolor="#88a6dd"%26gt;%26lt;input type="text" name="mail" size=25%26gt;%26lt;/TD%26gt;
%26lt;/TR%26gt;
%26lt;TR%26gt;
%26lt;TD%26gt;主题%26lt;/TD%26gt;
%26lt;TD bgcolor="#88a6dd"%26gt;%26lt;input type="text" name="title" size=25%26gt;%26lt;/TD%26gt;
%26lt;/TR%26gt;
%26lt;TR%26gt;
%26lt;TD valign="top" bgcolor="#88a6dd"%26gt;留言%26lt;/TD%26gt;
%26lt;TD%26gt;%26lt;textarea name="content" rows=7 cols=25%26gt;%26lt;/textarea%26gt;%26lt;/TD%26gt;
%26lt;/TR%26gt;
%26lt;TR%26gt;
%26lt;TD colspan=3%26gt;%26lt;TABLE align="center" width="100%" cellspacing="0" cellpadding="0" bordercolordark="#88a6dd" bordercolorlight="#88a6dd"%26gt;
%26lt;TR%26gt;
%26lt;TD align="center" bgcolor="#88a6dd"%26gt;%26lt;input type="submit" value="提交留言"%26gt;%26lt;/TD%26gt;
%26lt;TD align="center"%26gt;%26lt;a href="view_message.jsp"%26gt;%26lt;font size=2%26gt;查看留言%26lt;/font%26gt;%26lt;/a%26gt;%26lt;/TD%26gt;
%26lt;TD align="center" bgcolor="#88a6dd"%26gt;%26lt;input type="reset" value="重新填写"%26gt;%26lt;/TD%26gt;
%26lt;/TR%26gt;
%26lt;/TABLE%26gt;%26lt;/TD%26gt;
%26lt;/TR%26gt;
%26lt;/FORM%26gt;
%26lt;/TABLE%26gt;%26lt;/TD%26gt;
%26lt;/TR%26gt;
%26lt;/TABLE%26gt;
%26lt;/BODY%26gt;
%26lt;/HTML%26gt;


%26lt;HTML%26gt;
%26lt;HEAD%26gt;
%26lt;TITLE%26gt; message board %26lt;/TITLE%26gt;
%26lt;/HEAD%26gt;
%26lt;BODY%26gt;
%26lt;TABLE width="60%" align="center" border=1 cellspacing="0" cellpadding="0" bordercolordark="#88a6dd" bordercolorlight="#88a6dd"%26gt;
%26lt;TR%26gt;
%26lt;TD align="center" bgcolor="#88a6dd"%26gt;访客留言板%26lt;/TD%26gt;
%26lt;/TR%26gt;
%26lt;TR%26gt;
%26lt;TD%26gt;%26lt;TABLE align="center" border=1 cellspacing="0" cellpadding="0" bordercolordark="#88a6dd" bordercolorlight="#88a6dd"%26gt;
%26lt;FORM ACTION="add_message.jsp"%26gt;
%26lt;TR%26gt;
%26lt;TD%26gt;姓名%26lt;/TD%26gt;
%26lt;TD bgcolor="#88a6dd"%26gt;%26lt;input type="text" name="name" size=25%26gt;%26lt;/TD%26gt;
%26lt;/TR%26gt;
%26lt;TR%26gt;
%26lt;TD bgcolor="#88a6dd"%26gt;E-mail%26lt;/TD%26gt;
%26lt;TD bgcolor="#88a6dd"%26gt;%26lt;input type="text" name="mail" size=25%26gt;%26lt;/TD%26gt;
%26lt;/TR%26gt;
%26lt;TR%26gt;
%26lt;TD%26gt;主题%26lt;/TD%26gt;
%26lt;TD bgcolor="#88a6dd"%26gt;%26lt;input type="text" name="title" size=25%26gt;%26lt;/TD%26gt;
%26lt;/TR%26gt;
%26lt;TR%26gt;
%26lt;TD valign="top" bgcolor="#88a6dd"%26gt;留言%26lt;/TD%26gt;
%26lt;TD%26gt;%26lt;textarea name="content" rows=7 cols=25%26gt;%26lt;/textarea%26gt;%26lt;/TD%26gt;
%26lt;/TR%26gt;
%26lt;TR%26gt;
%26lt;TD colspan=3%26gt;%26lt;TABLE align="center" width="100%" cellspacing="0" cellpadding="0" bordercolordark="#88a6dd" bordercolorlight="#88a6dd"%26gt;
%26lt;TR%26gt;
%26lt;TD align="center" bgcolor="#88a6dd"%26gt;%26lt;input type="submit" value="提交留言"%26gt;%26lt;/TD%26gt;
%26lt;TD align="center"%26gt;%26lt;a href="view_message.jsp"%26gt;%26lt;font size=2%26gt;查看留言%26lt;/font%26gt;%26lt;/a%26gt;%26lt;/TD%26gt;
%26lt;TD align="center" bgcolor="#88a6dd"%26gt;%26lt;input type="reset" value="重新填写"%26gt;%26lt;/TD%26gt;
%26lt;/TR%26gt;
%26lt;/TABLE%26gt;%26lt;/TD%26gt;
%26lt;/TR%26gt;
%26lt;/FORM%26gt;
%26lt;/TABLE%26gt;%26lt;/TD%26gt;
%26lt;/TR%26gt;
%26lt;/TABLE%26gt;
%26lt;/BODY%26gt;
%26lt;/HTML%26gt;


%26lt;!--view_message.jsp--%26gt;
%26lt;%@ page import="java.sql.*" %%26gt;
%26lt;HTML%26gt;
%26lt;HEAD%26gt;
%26lt;TITLE%26gt; show the message in the table %26lt;/TITLE%26gt;
%26lt;/HEAD%26gt;
%26lt;BODY%26gt;
%26lt;p align="center"%26gt;所有访客留言%26lt;/p%26gt;
%26lt;hr%26gt;
%26lt;%
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%26gt;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");
%%26gt;
%26lt;TABLE width="100%" align="center" border=1 cellspacing="0" cellpadding="0" bordercolordark="#000000" bordercolorlight="#88a6dd"%26gt;
%26lt;tr%26gt;%26lt;td bgcolor="#88a6dd"%26gt;%26lt;font size=2%26gt;主题%26lt;/font%26gt;%26lt;/td%26gt;
%26lt;td colspan=3%26gt;%26lt;%=title%%26gt;%26lt;/td%26gt;%26lt;/tr%26gt;
%26lt;tr%26gt;%26lt;td bgcolor="#88a6dd"%26gt;%26lt;font size=2%26gt;留言人%26lt;/font%26gt;%26lt;/td%26gt;
%26lt;td%26gt;%26lt;%=name%%26gt;%26lt;/td%26gt;%26lt;td bgcolor="#88a6dd"%26gt;%26lt;font size=2%26gt;E-mail%26lt;/font%26gt;%26lt;/td%26gt;
%26lt;td%26gt;
%26lt;%
out.println("%26lt;a href=mailto:"+mail+"%26gt;"+mail+"%26lt;/a%26gt;");
%%26gt;
%26lt;/td%26gt;%26lt;/tr%26gt;
%26lt;tr%26gt;%26lt;td bgcolor="#88a6dd"%26gt;%26lt;font size=2%26gt;留言时间%26lt;/font%26gt;%26lt;/td%26gt;%26lt;td colspan=3%26gt;
%26lt;%
out.println("%26lt;font size=2%26gt;"+date_time+" "+time_time+"%26lt;/font%26gt;");
%%26gt;
%26lt;/td%26gt;%26lt;/tr%26gt;
%26lt;tr%26gt;%26lt;td align="center"%26gt;
%26lt;%
out.println("("+message_count+")");
%%26gt;
%26lt;/td%26gt;
%26lt;td colspan=3%26gt;%26lt;%=content%%26gt;
%26lt;/td%26gt;%26lt;/tr%26gt;
%26lt;/table%26gt;
%26lt;%
out.println("%26lt;hr%26gt;");
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);}
%%26gt;
%26lt;p align="center"%26gt;%26lt;a href="../message/index.html"%26gt;我要留言%26lt;/a%26gt;%26lt;/p%26gt;
%26lt;/body%26gt;
%26lt;/html%26gt;


%26lt;!--view_message.jsp--%26gt;
%26lt;%@ page import="java.sql.*" %%26gt;
%26lt;HTML%26gt;
%26lt;HEAD%26gt;
%26lt;TITLE%26gt; show the message in the table %26lt;/TITLE%26gt;
%26lt;/HEAD%26gt;
%26lt;BODY%26gt;
%26lt;p align="center"%26gt;所有访客留言%26lt;/p%26gt;
%26lt;hr%26gt;
%26lt;%
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%26gt;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");
%%26gt;
%26lt;TABLE width="100%" align="center" border=1 cellspacing="0" cellpadding="0" bordercolordark="#000000" bordercolorlight="#88a6dd"%26gt;
%26lt;tr%26gt;%26lt;td bgcolor="#88a6dd"%26gt;%26lt;font size=2%26gt;主题%26lt;/font%26gt;%26lt;/td%26gt;
%26lt;td colspan=3%26gt;%26lt;%=title%%26gt;%26lt;/td%26gt;%26lt;/tr%26gt;
%26lt;tr%26gt;%26lt;td bgcolor="#88a6dd"%26gt;%26lt;font size=2%26gt;留言人%26lt;/font%26gt;%26lt;/td%26gt;
%26lt;td%26gt;%26lt;%=name%%26gt;%26lt;/td%26gt;%26lt;td bgcolor="#88a6dd"%26gt;%26lt;font size=2%26gt;E-mail%26lt;/font%26gt;%26lt;/td%26gt;
%26lt;td%26gt;
%26lt;%
out.println("%26lt;a href=mailto:"+mail+"%26gt;"+mail+"%26lt;/a%26gt;");
%%26gt;
%26lt;/td%26gt;%26lt;/tr%26gt;
%26lt;tr%26gt;%26lt;td bgcolor="#88a6dd"%26gt;%26lt;font size=2%26gt;留言时间%26lt;/font%26gt;%26lt;/td%26gt;%26lt;td colspan=3%26gt;
%26lt;%
out.println("%26lt;font size=2%26gt;"+date_time+time_time+"%26lt;/font%26gt;");
%%26gt;
%26lt;/td%26gt;%26lt;/tr%26gt;
%26lt;tr%26gt;%26lt;td align="center"%26gt;
%26lt;%
out.println("("+message_count+")");
%%26gt;
%26lt;/td%26gt;
%26lt;td colspan=3%26gt;%26lt;%=content%%26gt;
%26lt;/td%26gt;%26lt;/tr%26gt;
%26lt;/table%26gt;
%26lt;%
out.println("%26lt;hr%26gt;");
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);}
%%26gt;
%26lt;p align="center"%26gt;%26lt;a href="../message/index.html"%26gt;我要留言%26lt;/a%26gt;%26lt;/p%26gt;
%26lt;/body%26gt;
%26lt;/html%26gt;

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