jsp留言板源代码三: 给jsp初学者.
导读：收集整理的这篇文章主要介绍了jsp留言板源代码三: 给jsp初学者.，觉得挺不错的，现在分享给大家，也给大家做个参考。 作 者: PRecom (皮蛋 2000.12.10reply....
收集整理的这篇文章主要介绍了jsp留言板源代码三: 给jsp初学者.，觉得挺不错的，现在分享给大家，也给大家做个参考。 作 者: PRecom (皮蛋) 2000.12.10reply.jsp
====================================
htML> head>
mETA content="text/html; charset=gb2312 " http-equiv=Content-tyPE>
tITle> 张家界电话黄页(网上114)/title> /head>
style type="text/css">
!--
BODY { FONT-FamiLY: "宋体","Arial Narrow", "Times New roman"; FONT-sI
ZE: 9pt }
.p1 { FONT-FamILY: "宋体", "Arial Narrow", "Times New Roman"; FONT-SIZ
E: 12pt }
A:link { COLOR: #00793d; TEXT-DECORATION: none }
A:visited { TEXT-DECORATION: none }
A:hover { TEXT-DECORATION: underline}
TD { FONT-FAMILY: "宋体", "Arial Narrow", "Times New Roman"; FONT-SIZE
: 9pt }
.p2 { FONT-FAMILY: "宋体", "Arial Narrow", "Times New Roman"; FONT-SIZ
E: 9pt; LINE-HeiGHT: 150% }
.P3 { FONT-FAMILY: "宋体", "Arial Narrow", "Times New Roman"; FONT-SIZ
E: 9pt; LINE-HEIGHT: 120% }
-->
/style>
body>
%@ page contentType="text/html; charset=GB2312" %>
%@ page language="java" import="java.SQL.*" %>
jsp:useBean id="testInq" scope="page" class="ymbean.opDb" />
%
int pages=1;
int pagesize=10;
int count=0;
int totalpages=0;
String countsql="",inqsql="",updatesql="",lwhere="",insertsql="",st=
"";
String lw_title="",lw_author="",pagetitle="",author_http="",author_e
mail="",lw_ico="0",
lw_content="",lw_class1="";
String author_ip="",lw_time="",lw_class2="",lw_type="",zt_time="",zt
_author="";
int answer_num=0,click_num=0;
int inquire_item=1;
String inquire_itemt="",inquire_value="";
String lurlt="a href=reply.jsp?";
lwhere=" where "; //只显示主贴
/*
Enumeration e = request.getParameternames();
while (e.hasMoreElements()) {
String name = (String) e.nextElement();
*/
try{
//取显示的页页序数
pages = new Integer(request.getParameter("pages")).intValue();
} catch (Exception e) { }
try{
//取查询参数
lw_class1=new String(request.getParameter("lw_class1").getBytes
("ISO8859_1"));
lw_class2=new String(request.getParameter("lw_class2").getBytes
("ISO8859_1"));
zt_time=new String(request.getParameter("zt_time").getBytes("IS
O8859_1"));
zt_author=new String(request.getParameter("zt_author").getBytes
("ISO8859_1"));
lwhere=" where ( lw_class1='"+lw_class1+"' and lw_class2='"+lw_
class2+
"' and (lw_time='"+ zt_time+"' or zt_time='"+zt_time+
"') and (author_email='"+zt_author+"' or zt_author='"+zt
_author+"') ) ";
lurlt=lurlt+"lw_class1="+lw_class1+"& lw_class2="+lw_class2+"& zt
_time="+zt_time+
"& zt_author="+zt_author+"& ";
//out.print(lwhere);
} catch (Exception e) { //out.print("error1: "+e+"hr> ");
}
try{
//取得参数 留言内容
lw_class1=new String(request.getParameter("lw_class1").getBytes("ISO
8859_1"));
lw_class2=new String(request.getParameter("lw_class2").getBytes("ISO
8859_1"));
lw_title=new String(request.getParameter("lw_title").getBytes("ISO88
59_1"));
lw_author=new String(request.getParameter("lw_author").getBytes("ISO
8859_1"));
pagetitle=new String(request.getParameter("pagetitle").getBytes("ISO
8859_1"));
author_http=new String(request.getParameter("author_http").getBytes(
"ISO8859_1"));
author_email=new String(request.getParameter("author_email").getByte
s("ISO8859_1"));
zt_time=new String(request.getParameter("zt_time").getBytes("ISO8859
_1"));
zt_author=new String(request.getParameter("zt_author").getBytes("ISO
8859_1"));
lw_ico=request.getParameter("gifface");
} catch (Exception e) { }
try{
lw_content=new String(request.getParameter("lw_content").getBytes("I
SO8859_1"));
String requestMethod=request.getMethod();
requestMethod=requestMethod.toUpperCase();
if(requestMethod.indexOf("POST")0)
{ out.print("非法操作!");
return;
}
//形成其他数据项
author_ip=request.getRemoteAddr() ;
lw_time=testInq.getcurrentDate("yyyyMMddHHmmss");
lw_type=""+"c"; //从贴
answer_num=0;
click_num=0;
//================
st="','";
//保证留言所有数据项的长度在正常范围内
if(lw_title.length()> 50) lw_title=lw_title.substring(0,50);
if(lw_author.length()> 20) lw_author=lw_author.substring(0,20);
if(author_http.length()> 40) author_http=author_http.substring(0,40);
if(author_email.length()> 50) author_email=author_email.substring(0,4
0);
if(zt_author.length()> 50) zt_author=zt_author.substring(0,40);
if(lw_content.length()> 4000) lw_content=lw_content.substring(0,4000)
insertsql="insert into guestBook values('"+lw_title+st+lw_author+st+
author_http+st+
author_email+st+lw_ico+st+lw_time+"',"+answer_num+","+cli
ck_num+",'"+
author_ip+st+lw_class1+st+lw_class2+st+lw_type+st+zt_time
+st+zt_author+st+
lw_content+"')";
//out.print(insertsql);
//插入留言
try{
st=testInq.executeUpdate(insertsql);
if(st.indexOf("executeUpdate ok")0)
out.print("msg="+st);
else
{
updatesql="update guestbook set answer_num=answer_num + 1 "+l
where;
//增加回复人数统计
try{
st=testInq.executeUpdate(updatesql);
if(st.indexOf("executeUpdate ok")0)
out.print("msg="+st);
} catch (Exception e) { }
}
} catch (Exception e) { out.print("留言出错:"+e); }
} catch (Exception e) { }
%>
%
//验证留言输入项合法性的javascript
String ljs=" SCRIPT language=JavaScript> \n"+
" !-- \n"+
" function ValidInput() \n"+
" { if(document.sign.lw_author.value==\"\") \n"+
" { alert(\"请填写您的大名。\"); \n"+
" document.sign.lw_author.focus(); \n"+
" return false; } \n"+
" if(document.sign.lw_title.value==\"\") \n"+
" { alert(\"请填写留言主题。\"); \n"+
" document.sign.lw_title.focus(); \n"+
" return false; } \n"+
" if (document.sign.author_email.value!=\"\") \n"+
" { if ((document.sign.author_email.value.indexOf(\"@\")0)//(document
.sign.author_email.value.indexOf(\":\")!=-1)) \n"+
" { alert(\"您填写的EMail无效，请填写一个有效的Email!\"); \n"+
" document.sign.author_emaill.focus(); \n"+
" return false; \n"+
" } \n"+
" } \n"+
" return true; \n"+
" } \n"+
" function ValidSeArch() \n"+
" { if(document.frmsearch.findstr.value==\"\") \n"+
" { alert(\"不能搜索空串！\"); \n"+
" document.frmsearch.findstr.focus(); \n"+
" return false; } \n"+
" } \n"+
" //--> \n"+
" /SCRIPT> ";
out.print(ljs);
%>
%
//显示最近时间发表的一页留言
countsql="select count(lw_title) From guestbook "+lwhere;
inqsql ="select lw_title,lw_author,lw_time,lw_content,author_ip, "+
" author_email from guestbook "+lwhere+" order by lw_time desc
" ;
updatesql="update guestbook set click_num=click_num + 1 "+lwhere;
//增加浏览人数统计
try{
st=testInq.executeUpdate(updatesql);
if(st.indexOf("executeUpdate ok")0)
out.print("msg="+st);
} catch (Exception e) { }
//out.print(inqsql);
if(pages> 0)
{
try {
try{
ResultSet rcount=testInq.executeQuery(countsql);
if(rcount.next())
{
count = rcount.getInt(1);
}
rcount.close();
} catch (Exception el1) { out.println("count record error
: "+el1+"br> " );
out.println(countsql);
}
totalpages=(int)(count/pagesize);
if(count> totalpages*pagesize) totalpages++;
st=""+
" TABLE align=center border=0 cellPadding=0 cellSpacing=
0 width=\"95%\"> "+
" TBODY> TR> TD align=middle bgColor=#97badd width=\"1
00%\"> FONT color=#ff0000> "+
" 共 "+totalpages+" 页，"+count+"
条. "+" 当前页: "+pages+
" /FONT> /TD> /TR> /TBODY> /TABLE> BR> ";
out.print(st);
//out.print(" 共 "+totalpages+" 页，"+
count+" 条. "+" 当前页: "+pages+"br> ");
st=" center> "+
" TABLE border=0 cellPadding=2 cellSpacing=1 width=\"95%\"> "+
" TBODY> "+
" TR> "+
" TD align=middle bgColor=#6699cc width=\"55%\"> FONT "+
" color=#ffffff> 留言主题/FONT> /TD> "+
" TD align=middle bgColor=#6699cc width=50> FONT "+
" color=#ffffff> 回应数/FONT> /TD> "+
" TD align=middle bgColor=#6699cc width=40> FONT "+
" color=#ffffff> 点击数/FONT> /TD> "+
" TD align=middle bgColor=#6699cc width=100> FONT "+
" color=#ffffff> 作者名/FONT> /TD> "+
" TD align=middle bgColor=#6699cc width=140> FONT "+
" color=#ffffff> 发表/回应时间/FONT> /TD> /TR> ";
//out.print(st);
if(count > 0 )
{
ResultSet rs = testInq.executeQuery(inqsql);
ResultSetMetaData metaData = rs.getMetaData();
int i;
// 跳过pages -1 页,使cursor指向pages并准备显示
for(i=1; i=(pages - 1)*pagesize; i++) rs.next();
//显示第pages页开始
st= " CENTER> TABLE border=0 cellSpacing=1 width=\"95%\"
> TBODY> ";
out.print(st);
String linestr="";
for(i=1; i=pagesize; i++)
if(rs.next())
{
lw_title=rs.getString("lw_title");
lw_author=rs.getString("lw_author");
lw_time=rs.getString("lw_time");
lw_content=rs.getString("lw_content");
author_ip=rs.getString("author_ip");
author_email=rs.getString("author_email");
st=lw_time.substring(0,4)+"-"+lw_time.substring(4,6)+"-"
+lw_time.substring(6,8)+":"+
lw_time.substring(8,10)+":"+lw_time.substring(10,12)+
":"+lw_time.substring(12,14);
try{ lw_content=testInq.addBr(testInq.removeComment(lw_co
ntent)); } catch (Exception e) { }
linestr =""+
" TR bgColor=#bed9fc> "+
" TD align=left width=\"75%\"> FONT "+
" color=#0000cd> 留言主题:/FONT> strong> "
+lw_title+"/STRONG> /TD> "+
" TD align=left width=\"25%\"> FONT color=
#0000cd> 留言时间:/FONT> "+st+"/TD> /TR> "+
" TR bgColor=#e7F1fe> "+
" TD colSpan=2 "+
" width=\"700\" wrap=yes> BR> "+lw_content+"
BR> br> /TD> /TR> "+
" TR bgColor=#bed9fc> "+
" TD align=right colSpan=2 width=\"100%\">
FONT "+
" color=#0000cd> 作者:/FONT> "+lw_author+"
FONT "+
" color=#0000cd> 来源:/FONT> "+author_ip+"
/TD> /TR> ";
out.println(linestr);
}
rs.close();
//显示第pages页结束
st= " /TBODY> /TABLE> /CENTER> /DIV> BR> "+
" CENTER> A "+
" href=\"guestbook.jsp\"> FONT "+
" color=blue face=楷体_GB2312 size=4> 返回留言板
首页/FONT> /A> /CENTER> BR> "+
" HR align=center noShade SIZE=1 width=\"95%\"
> ";
out.print(st);
int iFirst=1,iLast=totalpages,iPre,iNext;
if(pages=1) iPre=1;
else iPre=pages - 1;
if(pages> =totalpages) iNext=totalpages;
else iNext=pages + 1;
int n=(int)(count/pagesize);
if(n*pagesizecount) n++;
if(n> 1)
{
//for(i=1; i=n; i++) out.print("a href=inquire.jsp?pages=
"+i+"> "+i+" /a> ");
//out.print("HR align=center noShade SIZE=1 width=\"95%\
"> ");
String lt1="返回主页",lt2="第一页",lt3="上一页",lt4="下一
页",lt5="最后一页",lt6="";
lt6="a href=http://www.zj.hn.cn> "+ lt1 + " /
a> "+
lurlt + "pages="+iFirst+"> FONT color=red> "+lt2+"& nbs
p; /a> "+
lurlt + "pages="+iPre+"> FONT color=red> "+lt3+"
/a> " +
lurlt + "pages="+iNext+"> FONT color=red> "+lt4+"
; /a> " +
lurlt + "pages="+iLast+"> FONT color=red> "+lt5+"
; /a> ";
st=""+
" TABLE align=center border=0 cellPadding=0 cellSpacing=
0 width=\"95%\"> "+
" TBODY> TR> TD align=middle bgColor=#97badd width=\"1
00%\"> FONT color=#ff0000> "+
lt6+
" /FONT> /TD> /TR> /TBODY> /TABLE> BR> ";
out.print(st);
}
}
} catch (Exception e) { out.println("error: "+e); }
}
%>
%
//留言板界面尾部
String lbottom="";
lbottom=lbottom+
" center> \n"+
" FORM action=reply.jsp method=post name=sign> \n"+
" INPUT name=lw_class1 type=hidden value=cnzjj_gt> \n"+
" INPUT name=lw_class2 type=hidden value="+lw_class2+"> \n"
+
" INPUT name=pages type=hidden value=1> \n"+
" INPUT name=zt_time type=hidden value="+zt_time+"> \n"+
" INPUT name=zt_author type=hidden value="+zt_author+"> \n"
+
" TABLE bgColor=#d5e8fd border=0 cellSpacing=1 width=\"95%\"> \n"+
" TBODY> \n"+
" TR> \n"+
" TD align=middle bgColor=#e6e6fa colSpan=2 noWrap> STRONG> FONT
color=blue \n"+
" face=楷体_GB2312 size=5> 发 表 意 见/FONT> /STRONG> & nbs
p; [加*的内容必须填写] /TD> /TR> \n"+
" TR> \n"+
" TD noWrap width=\"45%\"> \n"+
" DIV align=left> \n"+
" TABLE bgColor=#d5e8fd border=0 cellSpacing=1 width=\"100%\">
\n"+
" TBODY> \n"+
" TR> \n"+
" TD noWrap width=\"100%\"> *留言主题：INPUT maxLength=40 n
ame=lw_title \n"+
" size=36> /TD> /TR> \n"+
" TR> \n"+
" TD noWrap width=\"100%\"> *网上大名：INPUT maxLength=18 n
ame=lw_author \n"+
" size=36> /TD> /TR> \n"+
" TR> \n"+
" TD noWrap width=\"100%\"> 主页标题：INPUT maxLength
=40 name=pagetitle \n"+
" size=36> /TD> /TR> \n"+
" TR> \n"+
" TD noWrap width=\"100%\"> 主页地址：INPUT maxLength
=255 name=author_http \n"+
" size=36> /TD> /TR> \n"+
" TR> \n"+
" TD noWrap width=\"100%\"> *电子邮件：INPUT maxLength=40 n
ame=author_email \n"+
" size=36> /TD> /TR> /TBODY> /TABLE> /DIV> /TD> \n"+
" TD noWrap vAlign=top width=\"55%\"> \n"+
" DIV align=left> \n"+
" TABLE bgColor=#b6d7fc border=0 cellSpacing=1 width=\"100%\">
\n"+
" TBODY> \n"+
" TR> \n"+
" TD width=\"100%\"> 请在下面填写你的留言：/TD> /TR> \n"+
" TR> \n"+
" TD width=\"100%\"> TEXTAREA cols=50 name=lw_content rows=
7> /TEXTAREA> /TD> /TR> /TBODY> /TABLE> /DIV> /TD> /TR> \n"+
" TR> \n"+
" TD bgColor=#fbf7ea colSpan=2 noWrap> 表情\n"+
" INPUT name=gifface type=radio value=1 checked> img \n"+
" alt=\"1.gif (152 bytes)\" height=15 src=\"1.gif\" width=15> I
NPUT \n"+
" name=gifface type=radio value=2> IMG alt=\"2.gif (174 bytes)\"
height=15 \n"+
" src=\"2.gif\" width=15> INPUT name=gifface type=radio value=3
> IMG \n"+
" alt=\"3.gif (147 bytes)\" height=15 src=\"3.gif\" width=15> I
NPUT \n"+
" name=gifface type=radio value=4> IMG alt=\"4.gif (172 bytes)\"
height=15 \n"+
" src=\"4.gif\" width=15> INPUT name=gifface type=radio value=5
> IMG \n"+
" alt=\"5.gif (118 bytes)\" height=15 src=\"5.gif\" width=15> I
NPUT \n"+
" name=gifface type=radio value=6> IMG alt=\"6.gif (180 bytes)\"
height=15 \n"+
" src=\"6.gif\" width=15> INPUT name=gifface type=radio value=7
> IMG \n"+
" alt=\"7.gif (180 bytes)\" height=15 src=\"7.gif\" width=15> I
NPUT \n"+
" name=gifface type=radio value=8> IMG alt=\"8.gif (96 bytes)\"
height=15 \n"+
" src=\"8.gif\" width=15> INPUT name=gifface type=radio value=9
> IMG \n"+
" alt=\"9.gif (162 bytes)\" height=15 src=\"9.gif\" width=15> I
NPUT \n"+
" name=gifface type=radio value=10> IMG alt=\"10.gif (113 bytes)
\" height=15 \n"+
" src=\"10.gif\" width=15> INPUT name=gifface type=radio value=
11> IMG \n"+
" alt=\"11.gif (93 bytes)\" height=15 src=\"11.gif\" width=15>
INPUT \n"+
" name=gifface type=radio value=12> IMG alt=\"12.gif (149 bytes
)\" height=14 \n"+
" src=\"12.gif\" width=15> \n"+
" INPUT \n"+
" name=gifface type=radio value=13> IMG alt=\"13.gif (149 bytes
)\" height=14 \n"+
" src=\"13.gif\" width=15> \n"+
" INPUT \n"+
" name=gifface type=radio value=14> IMG alt=\"14.gif (149 bytes
)\" height=14 \n"+
" src=\"14.gif\" width=15> \n"+
" INPUT \n"+
" name=gifface type=radio value=15> IMG alt=\"15.gif (149 bytes
)\" height=14 \n"+
" src=\"15.gif\" width=15> \n"+
" INPUT \n"+
" name=gifface type=radio value=16> IMG alt=\"16.gif (149 bytes
)\" height=14 \n"+
" src=\"16.gif\" width=15> /TD> \n"+
" /TR> \n"+
" TR> \n"+
" TD align=middle colSpan=2 noWrap> INPUT name=cmdGO onclick=\"re
turn ValidInput()\" type=submit value=\"提 交\"> \n"+
" INPUT name=cmdPrev onclick=\"return ValidInput()\" type=submit valu
e=\"预 览\"> \n"+
" INPUT name=cmdCancel type=reset value=\"重 写\"> INPU
T name=cmdBack onclick=javascript:history.go(-1) type=button value=\"返
回\"> \n"+
" /TD> /TR> /TBODY> /TABLE> /FORM> /CENTER> /DIV> ";
out.print(lbottom);
%>
/body> /html>
作 者: precom (皮蛋) 2000.12.10
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