j留言板源代码二: 给j初学者._JSP技巧_黑客防线网安服务器维护基地--Powered by WWW.RONGSEN.COM.CN

j留言板源代码二: 给j初学者.

作者:黑客防线网安JSP教程基地 来源:黑客防线网安JSP教程基地 浏览次数:0

黑客防线网安网讯:作 者: precom (皮蛋) 2000.12.10    guestbook.jsp   ===========================   <html><head>   <META content="text/html; charset=gb2312 " http-equiv=Content-Type>  ...
作 者: precom (皮蛋) 2000.12.10
  
   guestbook.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="",lwhere="",insertsql="",st="";
  
   String lw_title="\",lw_author="",pagetitle="\",author_http="",author_e
   mail="",lw_ico="",
   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=guestbook.jsp?",llink="";
  
   lwhere=" where lw_type='z' "; //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
   inquire_item=new Integer(request.getParameter("range")).intValu
   e();
   inquire_value=new String(request.getParameter("findstr").getByt
   es("ISO8859_1"));
   if(inquire_item==0) inquire_itemt="lw_title";
   else if(inquire_item==1) inquire_itemt="lw_content";
   else if(inquire_item==2) inquire_itemt="lw_author";
   else if(inquire_item==3) inquire_itemt="lw_time";
   else if(inquire_item==4) inquire_itemt="lw_title";
   lwhere=lwhere+" and "+inquire_itemt+" like '%"+inquire_value+"%
   '";
   lurlt=lurlt+"range="+inquire_item+"&findstr="+inquire_value+"&"
   ;
  
   } catch (Exception e) {}
  
   try{
   //取得参数 留言内容
   lw_class1=new String(request.getParameter("gbname").getBytes("ISO885
   9_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"));
   lw_ico=request.getParameter("gifface");
   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_class2="2";
   lw_type=""+"z"; //主贴
   zt_time=lw_time;
   zt_author=lw_author;
   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(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{
   String lmsg=testInq.executeUpdate(insertsql);
   if(lmsg.indexOf("executeUpdate ok")<0)
   out.print("lmsg="+lmsg);
  
   }catch (Exception e) { out.print("错误:"+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);
   %>
  
   <%
   //留言板界面首部
   String ltop=" <DIV align=center> "+
   " <CENTER> "+
   " <FORM action=guestbook.jsp method=post name=frmsearch> "+
   " <INPUT name=gbname type=hidden value=cnzjj_gt> "+
   " <TABLE align=center border=0 cellSpacing=1 width="95%"> "+
   " <TBODY> "+
   " <TR> "+
   " <TD bgColor=#336699 colSpan=2 width="100%"> "+
   " <P align=center><FONT color=#ffffff face=楷体_GB2312 "+
   " size=5>欢迎远方的朋友来张家界旅游观光</FONT></P></TD></TR> "
   +
   " <TR bgColor=#6699cc> "+
   " <TD align=left noWrap width="50%">主页: <A "+
   " href="http://www.zj.hn.cn" target=_blank><FONT "+
   " color=#ffffff>张家界旅游</FONT></A> 管理员: <A "
   +
   " href="mailto:dzx@mail.zj.hn.cninfo.net"><FONT color=#ffffff>
   一民</FONT></A> "+
   " >><A "+
   " href="http://www.zj.hn.cn "><FONT "+
   " color=#ffffff>管理</FONT></A> >><A "+
   " href=" http://www.zj.hn.cn "><FONT "+
   " color=#ffffff>申请</FONT></A> </TD> "+
   " <TD align=right width="50%"><SELECT class=ourfont name=range s
   ize=1> "+
   " <OPTION selected value=0>按主题</OPTION> <OPTION value=1>按内
   容</OPTION> "+
   " <OPTION value=2>按作者</OPTION> <OPTION value=3>按日期</OPTI
   ON> <OPTION "+
   " value=4>按主题&内容</OPTION></SELECT> <INPUT name=findst
   r> <INPUT name=search onclick="return ValidSearch()" type=submit val
   ue="搜 索"> "+
   " </TD></TR></TBODY></TABLE></FORM> "+
   " <HR align=center noShade SIZE=1 width="95%"> "+
   " </CENTER></div> ";
   out.print(ltop);
   %>
  
   <%
   //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,answer_num,click_num,lw_author,lw_time,expres
   sion,"+
   " author_email,lw_class1,lw_class2 from guestbook "+lwhere+" o
   rder by lw_time desc" ;
  
   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
   String linestr="";
   for(i=1;i<=pagesize;i++)
   if(rs.next())
   {
   lw_title=rs.getString("lw_title");
   answer_num=rs.getInt("answer_num");
   click_num=rs.getInt("click_num");
   lw_author=rs.getString("lw_author");
   lw_time=rs.getString("lw_time");
   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);
   lw_ico=rs.getString("expression");
   author_email=rs.getString("author_email");
   lw_class1=rs.getString("lw_class1");
   lw_class2=rs.getString("lw_class2");
   llink="reply.jsp?lw_class1="+lw_class1+"&lw_class2="+lw_
   class2+"&zt_time="+lw_time+
   "&zt_author="+author_email;
   linestr=" <TR bgColor=#d5e8fd> " +
   " <TD bgColor=#d5e8fd><IMG src=""+lw_ico+".gif
   "><A "+
   " href=""+llink+" ">"+lw_title+"</A></TD> "+
   " <TD align=middle>["+answer_num+"]</TD>"+
   " <TD align=middle>"+click_num+"</TD>"+
   " <TD align=middle><A href="mailto:"+author_ema
   il+"">"+lw_author+"</A></TD>"+
   " <TD align=middle>"+st+"</TD></TR>";
  
   out.println(linestr);
  
   }
   rs.close();
   //显示第pages页结束
   st="</TBODY></TABLE><BR>";
   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+
   " "+
   " <FORM action=guestbook.jsp method=post name=sign> "+
   " <INPUT name=gbname type=hidden value=cnzjj_gt> "+
   " <INPUT name=pages type=hidden value=1> "+
   " <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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