📄 forum.jsp
字号:
<%@ page contentType="text/html;charset=gb2312" %>
<% String Loginmessage = (String) session.getValue("login");
if(Loginmessage==null){
%>
<script language=javascript>
window.location="refuse.jsp"
</script>
<% }
%>
<html>
<head>
<title>论坛</title>
</head>
<body bgcolor="Teal">
<%@ include file="top.htm" %>
<p><b><font color="red">欢迎来到本书的论坛！
</font></b></p>
<%@ page language="java" import="java.sql.*" %>
<jsp:useBean id="workM" scope="page" class="sql.forum" />
<%
int pageNo;
if(request.getParameter("page")==null){
pageNo=1;
}else{
pageNo=Integer.parseInt(request.getParameter("page"));
}
ResultSet countrs=workM.executeQuery("select count(*) as cnt from article");
int totalRec=0;
if (countrs.next())
totalRec=countrs.getInt("cnt");
countrs.close();
int pageLine=6;
int mod=totalRec%pageLine;
int page_left=0;
if(mod!=0)
page_left=1;
int pages=totalRec/pageLine+page_left;
%>
<%
out.print("<table border='2' style='color:white' >");
out.print("<tr><td>标题</td><td>发表人</td>");
out.print("<td>发表时间</td><td>回复数</td><td>点击数</td></tr>");
String serial;
String title;
String speaker;
Date providedate;
int reply;
int click;
int bottom=(pageNo-1)*6;
int top=pageNo*6+1;
String sql="select * from article where parent_no=0"
+" and serial_no>"+bottom+" and serial_no<"+top+" order by serial_no DESC";
ResultSet RS=workM.executeQuery(sql);
int i=0; //循环计数
while (RS.next()) {
i++;
out.print("<tr><td>");
serial=RS.getString("serial_no");
title=RS.getString("title");
speaker=RS.getString("speaker");
providedate=RS.getDate("provide_time");
reply=RS.getInt("reply_num");
click=RS.getInt("click_num");
showing(request,out,serial,title,speaker,providedate,reply,click,"Subject");
//--------------------------显示下一级的回复内容
ResultSet RS1 = workM.executeQuery("select * from article where parent_no=" + serial + " order by serial_no");
while (RS1.next()) {
i++;
out.print("<tr><td>");
serial=RS1.getString("serial_no");
title=RS1.getString("title");
speaker=RS1.getString("speaker");
providedate=RS1.getDate("provide_time");
reply=RS1.getInt("reply_num");
click=RS1.getInt("click_num");
showing(request,out,serial,title,speaker,providedate,reply,click,"Re");
}
RS1.close();
//------------------------
}
out.print("</table>");
RS.close();
out.print("<p><br>共有发言"+ totalRec + "条，分为" + pages + "页显示<br>");
for(int j=1;j<=pages;j++){
if(j%10==0) out.print("<br>");
out.print("<a href=forum.jsp?page=" + j + ">");
if (j==pageNo)
out.print("<font color='red'>" + j + "</font>");
else
out.print(j);
out.print("</a> ");
}
%>
<!--以下函数用于显示 -->
<%!
void showing(HttpServletRequest request,JspWriter out,String serial,String title,String speaker, Date providedate,int reply,int click,String ReSign)
throws IOException {
if(ReSign=="Subject"){
out.print("<a href=forumcontent.jsp?serial=" + serial + ">" + title + "</a>");
}
else{
out.print("Re: <a href=forumrecontent.jsp?serial=" + serial + ">" + title + "</a>");
}
out.print("</td><td>");
out.print(speaker);
out.print("</td><td>");
out.print(providedate);
out.print("</td><td>");
out.print(reply);
out.print("</td><td>");
out.print(click);
out.print("</td></tr>");
}
%>
<p align="center"><a href="addtopic.jsp" target="_self">我要增加新帖</a>
<a href="login/show.html">登录</a>
<a href="login/reg1.html">注册</a>
<%@ include file="bottom.htm" %>
</body>
</html>
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