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jsp留言板源代码3-JSP教程,数据库相关

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reply.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>

"+

" <!–

"+

" function validinput()

"+

" {if(document.sign.lw_author.value=="")

"+

" {alert("请填写您的大名。");

"+

" document.sign.lw_author.focus();

"+

" return false;}

"+

" if(document.sign.lw_title.value=="")

"+

" {alert("请填写留言主题。");

"+

" document.sign.lw_title.focus();

"+

" return false;}

"+

" if (document.sign.author_email.value!="")

"+

" { if ((document.sign.author_email.value.indexof("@")<0)//(document

.sign.author_email.value.indexof(":")!=-1))

"+

" {alert("您填写的email无效,请填写一个有效的email!");

"+

" document.sign.author_emaill.focus();

"+

" return false;

"+

" }

"+

" }

"+

" return true;

"+

" }

"+

" function validsearch()

"+

" { if(document.frmsearch.findstr.value=="")

"+

" {alert("不能搜索空串!");

"+

" document.frmsearch.findstr.focus();

"+

" return false;}

"+

" }

"+

" //–>

"+

" </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+"

" );

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+"

");

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>

</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*pagesize<count) 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>

"+

" <form action=reply.jsp method=post name=sign>

"+

" <input name=lw_class1 type=hidden value=cnzjj_gt>

"+

" <input name=lw_class2 type=hidden value="+lw_class2+">

"

+

" <input name=pages type=hidden value=1>

"+

" <input name=zt_time type=hidden value="+zt_time+">

"+

" <input name=zt_author type=hidden value="+zt_author+">

"

+

" <table bgcolor=#d5e8fd border=0 cellspacing=1 width="95%">

"+

" <tbody>

"+

" <tr>

"+

" <td align=middle bgcolor=#e6e6fa colspan=2 nowrap><strong><font

color=blue

"+

" face=楷体_gb2312 size=5>发 表 意 见</font></strong> &nbs

p; [加*的内容必须填写] </td></tr>

"+

" <tr>

"+

" <td nowrap width="45%">

"+

" <div align=left>

"+

" <table bgcolor=#d5e8fd border=0 cellspacing=1 width="100%">

"+

" <tbody>

"+

" <tr>

"+

" <td nowrap width="100%">*留言主题:<input maxlength=40 n

ame=lw_title

"+

" size=36></td></tr>

"+

" <tr>

"+

" <td nowrap width="100%">*网上大名:<input maxlength=18 n

ame=lw_author

"+

" size=36></td></tr>

"+

" <tr>

"+

" <td nowrap width="100%"> 主页标题:<input maxlength

=40 name=pagetitle

"+

" size=36></td></tr>

"+

" <tr>

"+

" <td nowrap width="100%"> 主页地址:<input maxlength

=255 name=author_http

"+

" size=36></td></tr>

"+

" <tr>

"+

" <td nowrap width="100%">*电子邮件:<input maxlength=40 n

ame=author_email

"+

" size=36></td></tr></tbody></table></div></td>

"+

" <td nowrap valign=top width="55%">

"+

" <div align=left>

"+

" <table bgcolor=#b6d7fc border=0 cellspacing=1 width="100%">

"+

" <tbody>

"+

" <tr>

"+

" <td width="100%">请在下面填写你的留言:</td></tr>

"+

" <tr>

"+

" <td width="100%"><textarea cols=50 name=lw_content rows=

7></textarea></td></tr></tbody></table></div></td></tr>

"+

" <tr>

"+

" <td bgcolor=#fbf7ea colspan=2 nowrap>表情\

"+

" <input name=gifface type=radio value=1 checked><img

"+

" alt="1.gif (152 bytes)" height=15 src="1.gif" width=15> <i

nput

"+

" name=gifface type=radio value=2><img alt="2.gif (174 bytes)"

height=15

"+

" src="2.gif" width=15> <input name=gifface type=radio value=3

><img

"+

" alt="3.gif (147 bytes)" height=15 src="3.gif" width=15> <i

nput

"+

" name=gifface type=radio value=4><img alt="4.gif (172 bytes)"

height=15

"+

" src="4.gif" width=15> <input name=gifface type=radio value=5

><img

"+

" alt="5.gif (118 bytes)" height=15 src="5.gif" width=15> <i

nput

"+

" name=gifface type=radio value=6><img alt="6.gif (180 bytes)"

height=15

"+

" src="6.gif" width=15> <input name=gifface type=radio value=7

><img

"+

" alt="7.gif (180 bytes)" height=15 src="7.gif" width=15> <i

nput

"+

" name=gifface type=radio value=8><img alt="8.gif (96 bytes)"

height=15

"+

" src="8.gif" width=15> <input name=gifface type=radio value=9

><img

"+

" alt="9.gif (162 bytes)" height=15 src="9.gif" width=15> <i

nput

"+

" name=gifface type=radio value=10><img alt="10.gif (113 bytes)

" height=15

"+

" src="10.gif" width=15> <input name=gifface type=radio value=

11><img

"+

" alt="11.gif (93 bytes)" height=15 src="11.gif" width=15> <

input

"+

" name=gifface type=radio value=12> <img alt="12.gif (149 bytes

)" height=14

"+

" src="12.gif" width=15>

"+

" <input

"+

" name=gifface type=radio value=13> <img alt="13.gif (149 bytes

)" height=14

"+

" src="13.gif" width=15>

"+

" <input

"+

" name=gifface type=radio value=14> <img alt="14.gif (149 bytes

)" height=14

"+

" src="14.gif" width=15>

"+

" <input

"+

" name=gifface type=radio value=15> <img alt="15.gif (149 bytes

)" height=14

"+

" src="15.gif" width=15>

"+

" <input

"+

" name=gifface type=radio value=16> <img alt="16.gif (149 bytes

)" height=14

"+

" src="16.gif" width=15> </td>

"+

" </tr>

"+

" <tr>

"+

" <td align=middle colspan=2 nowrap><input name=cmdgo onclick="re

turn validinput()" type=submit value="提 交">

"+

" <input name=cmdprev onclick="return validinput()" type=submit valu

e="预 览">

"+

" <input name=cmdcancel type=reset value="重 写"> <inpu

t name=cmdback onclick=javascript:history.go(-1) type=button value="返

回">

"+

" </td></tr></tbody></table></form></center></div> ";

out.print(lbottom);

%>

</body></html>

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