/*

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+"

}

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=" ";

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=""+

"

0 width="95%"> "+

"

"+ " 共 "+totalpages+" 页，"+count+" 条. "+" 当前页: "+pages+ "

";

out.print(st);

//out.print(" 共 "+totalpages+" 页，"+

count+" 条. "+" 当前页: "+pages+"

");

st="