reply.jsp
====================================
張家界電話黃頁(網上114)
<%@ page contentType="text/html; charset=GB2312" %>
<%@ page language="java" import="java.sql.*" %>
<%
int pages=1;
int pagesize=10;
lwhere=" where ( lw_'"+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_"+lw_class2+"&zt
_time="+zt_time+
"&zt_author="+zt_author+"&";
//out.print(lwhere);
} catch (Exception e) { //out.print("error1: "+e+"
");
}
try{
//取得參數 留言內容
lw_ String(request.getParameter("lw_class1").getBytes("ISO
8859_1"));
lw_ 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;
}
//形成其他數據項
author_ip=request.getRemoteAddr() ;
lw_time=testInq.getCurrentDate("yyyyMMddHHmmss");
lw_type=""+"c"; //從貼
answer_num=0;
click_num=0;
//================
st="','";
//保證留言所有數據項的長度在正常范圍內
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;
//增加回復人數統計
try{
st=testInq.executeUpdate(updatesql);
if(st.indexOf("executeUpdate ok")<0)
out.print("msg="+st);
}catch (Exception e) { }
}
}catch (Exception e) { out.print("留言出錯:"+e);}
} catch (Exception e) {}
%>
<%
//驗證留言輸入項合法性的javascript
String ljs=" ";
out.print(ljs);
%>
<%
//顯示最近時間發表的一頁留言
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;
//增加瀏覽人數統計
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=""+
"
0 width=\"95%\"> "+
"
00%\">"+
" 共 "+totalpages+" 頁，"+count+"
條. "+" 當前頁: "+pages+
" |
";
out.print(st);
//out.print(" 共 "+totalpages+" 頁，"+
count+" 條. "+" 當前頁: "+pages+"
");
st="
"+
" "+
" "+
" "+
"
" color=#ffffff>留言主題 | "+
"
" color=#ffffff>回應數 | "+
"
" color=#ffffff>點擊數 | "+
"
" color=#ffffff>作者名 | "+
"
" color=#ffffff>發表/回應時間 |
";
//out.print(st);
if(count > 0 )
{
ResultSet rs = testInq.executeQuery(inqsql);
ResultSetMetaData metaData = rs.getMetaData();
int i;
// 跳過pages -1 頁,使cursor指向pages并準備顯示
for(i=1;i<=(pages - 1)*pagesize;i++) rs.next();
//顯示第pages頁開始
st= "
> ";
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 =""+
" "+
"
" color=#0000cd>留言主題:"
+lw_title+" | "+
"
#0000cd>留言時間:"+st+" |
"+
" "+
"
" width=\"700\" wrap=yes>
"+lw_content+"
|
"+
" "+
"
" color=#0000cd>作者:"+lw_author+"
" color=#0000cd>來源:"+author_ip+"
|
";
out.println(linestr);
}
rs.close();
//顯示第pages頁結束
st= "
"+
"
" href=\"guestbook.jsp\">
" color=blue face=楷體_GB2312 size=4>返回留言板
首頁
"+
"
> ";
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
if(n>1)
{
//for(i=1;i<=n;i++) out.print("
"+i+">"+i+" ");
//out.print("
">");
String lt1="返回主頁",lt2="第一頁",lt3="上一頁",lt4="下一
頁",lt5="最后一頁",lt6="";
lt6=""+ lt1 + "
a>"+
lurlt + "pages="+iFirst+">"+lt2+"&nbs
p; "+
lurlt + "pages="+iPre+">"+lt3+"
" +
lurlt + "pages="+iNext+">"+lt4+"
; " +
lurlt + "pages="+iLast+">"+lt5+"
; ";
st=""+
"
0 width=\"95%\"> "+
"
00%\">"+
lt6+
" |
";
out.print(st);
}
}
} catch (Exception e) { out.println("error: "+e); }
}
%>
<%
//留言板界面尾部
String lbottom="";
lbottom=lbottom+
" \n"+
" ";
out.print(lbottom);
%>
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jsp留言板源代碼三:給jsp初學者_MySQL
jsp留言板源代碼三:給jsp初學者_MySQL:reply.jsp ==================================== 張家界電話黃頁(網上114) BODY { FONT-FAMILY: 宋體,Arial Narrow, Times New Roman; FONT-SI ZE: 9pt } .p1 { FONT-FAMILY: 宋體
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