📄 pollresult.jsp
字号:
<%-- 这个JSP脚本是保存和显示投票结果的 --%>
<%@ page language="java"%>
<%@ page contentType="text/html;charset=gb2312" %>
<%@ page errorPage="errorpage.jsp" %>
<%@ page import="java.io.*" %>
<%@ page import="java.util.*" %>
<html>
<head>
<title>利用Cookie实现身份验证</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
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<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">
<!--
.tableline { border-color: #CE00CE #ce00ce #ce00ce; border-style: solid; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px}
.buttonline { background-color: #FFFFFF; border-color: #8080FF #8080ff #8080ff; border-style: solid; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px}
.tableline2 { border-color: #FF6633 #ff6633 #ff6633; border-style: solid; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px}
-->
</style>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">
<!--
.tableline { border-color: #CE00CE #ce00ce #ce00ce; border-style: solid; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px}
.buttonline { background-color: #FFFFFF; border-color: #8080FF #8080ff #8080ff; border-style: solid; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px}
.tableline2 { border-color: #FF6633 #ff6633 #ff6633; border-style: solid; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px}
-->
</style>
</head>
<body bgcolor="#FFFFFF">
<table width="100%" border="0" class=tableline>
<tr>
<td height="149">
<table width="100%" border="0" cellpadding="2" cellspacing="2">
<tr>
<td>
<div align="center"><font face="方正姚体" size="+3" color="#7777BB"><font face="方正舒体" size="+5">梦幻</font>网信息调查结果</font></div>
</td>
</tr>
<tr>
<td> </td>
</tr>
<tr align="center">
<td height="128">
<table width="90%" border="0" cellspacing="0" cellpadding="0" class="tableline2">
<tr>
<td colspan="3"> </td>
</tr>
<tr>
<%
String islogin = null;
String memberName = null;
String getPoll = null;
Cookie[] pollcookie = request.getCookies();
/* 首先验证访问者是否为合法的会员 */
if(pollcookie != null)
{
for(int j = 0;j < pollcookie.length;j++)
{
if(pollcookie[j].getName().equals("hadlogin"))
{
islogin = pollcookie[j].getValue();
}
}
}
if((islogin == null) || (!(islogin.equals("1"))))
{
throw new Exception("你还没有登录，请先登录！");
}
else
{
memberName = (String)session.getValue("originalusername");
getPoll = request.getParameter("radiobutton_poll"); // 获取投票的对象
}
%>
<td colspan="3" valign="baseline"><font color="#FF33FF" face="楷体_GB2312" size="4"><b><font color="#009933"><%=memberName%>会员，请看投票结果：</font></b></font></td>
</tr>
<tr>
<td colspan="2" valign="baseline">
<div align="left"></div>
</td>
<%
/* 投票结果的保存与显示 */
String[] PollResultArr = new String[12]; // 存放票数
float[] PollResultGraphicArr = new float[12]; // 投票结果的图形显示比例长度
int pollObj = -1; // 投票的对象的索引值
int i = 0;
String prefix = null;
String oldRecord = null;
int currentRecord = 0;
int TotalPoll = 0;
File xxx = null;
FileReader filein = null;
BufferedReader filedata = null;
PrintWriter pw = null;
StringTokenizer st = null;
String writeStr = null;
String pollresultfilename = "C:\\jswdk-1.0.1\\webpages\\chapter5\\PollResult.inc";
if((getPoll.length() < 1) || (getPoll == null))
{
throw new Exception("对不起，投票系统出错，请重新来一次！");
}
else
{
pollObj = Integer.parseInt(getPoll);
try
{
/* 首先从文件中将上一次投票的结果取出来 */
xxx=new File(pollresultfilename); //在相对路径下打开文件IPlist.txt
filein = new FileReader(xxx);
filedata = new BufferedReader(filein);
oldRecord = filedata.readLine();
}
catch (IOException e)
{
throw new Exception("读取数据错误.<br>" + e.toString());
}
if (oldRecord == null)
{
throw new Exception("没有任何记录");
}
else
{
/* 然后，将数据按照“|”分割符分割开来并且存入数组 */
st = new StringTokenizer(oldRecord,"|");
for(i = 0;i < 12;i++)
{
PollResultArr[i] = st.nextToken();
}
/* 按照投票的对象，将对应的票数 + 1 */
currentRecord = Integer.parseInt(PollResultArr[pollObj]);
currentRecord = currentRecord + 1;
PollResultArr[pollObj] = Integer.toString(currentRecord);
/* 最后将当前的投票结果保存到文件中 */
try
{
for(i = 0;i < 12;i++)
{
if(writeStr != null)
{
writeStr = writeStr + "|" +PollResultArr[i];
}
else
{
writeStr = PollResultArr[i];
}
/* 统计一下总的票数 */
TotalPoll = TotalPoll + Integer.parseInt(PollResultArr[i]);
}
pw = new PrintWriter(new FileOutputStream(pollresultfilename));
pw.print(writeStr);
pw.close();
}
catch(IOException e)
{
throw new Exception("写入文件错误"+e.toString());
}
/* 将投票的结果以图形的方式显示出来 */
for(i = 0;i < 12;i++)
{
PollResultGraphicArr[i] = 800 * (float)(Integer.parseInt(PollResultArr[i])) / (float)TotalPoll;
}
}
}
%>
<td width="65%" valign="baseline"> </td>
</tr>
<tr>
<td colspan="2" valign="baseline">
<div align="left"><font size="2">牡 羊 座 （票数：<%=PollResultArr[0]%> 票）</font></div>
</td>
<td width="65%" valign="baseline"><img src="poll.jpg" width="<%=PollResultGraphicArr[0]%>" height="13"></td>
</tr>
<tr>
<td colspan="2" valign="baseline">
<div align="left"><font size="2">金 牛 座 （票数：<%=PollResultArr[2]%> 票）</font></div>
</td>
<td valign="baseline"><img src="poll.jpg" width="<%=PollResultGraphicArr[2]%>" height="13"></td>
</tr>
<tr>
<td colspan="2" valign="baseline">
<div align="left"><font size="2">双 子 座 （票数：<%=PollResultArr[4]%> 票）</font></div>
</td>
<td valign="baseline"><img src="poll.jpg" width="<%=PollResultGraphicArr[4]%>" height="13"></td>
</tr>
<tr>
<td colspan="2" valign="baseline">
<div align="left"><font size="2">巨 蟹 座 （票数：<%=PollResultArr[6]%> 票）</font></div>
</td>
<td valign="baseline"><img src="poll.jpg" width="<%=PollResultGraphicArr[6]%>" height="13"></td>
</tr>
<tr>
<td colspan="2" valign="baseline">
<div align="left"><font size="2">狮 子 座 （票数：<%=PollResultArr[8]%> 票）</font></div>
</td>
<td valign="baseline"><img src="poll.jpg" width="<%=PollResultGraphicArr[8]%>" height="13"></td>
</tr>
<tr>
<td colspan="2" valign="baseline">
<div align="left"><font size="2">处 女 座 （票数：<%=PollResultArr[10]%> 票）</font></div>
</td>
<td valign="baseline"><img src="poll.jpg" width="<%=PollResultGraphicArr[10]%>" height="13"></td>
</tr>
<tr>
<td colspan="2" valign="baseline"><font size="2">天 秤 座 （票数：<%=PollResultArr[1]%> 票）</font></td>
<td valign="baseline"><img src="poll.jpg" width="<%=PollResultGraphicArr[1]%>" height="13"></td>
</tr>
<tr>
<td colspan="2" valign="baseline"><font size="2">天 蝎 座 （票数：<%=PollResultArr[3]%> 票）</font></td>
<td valign="baseline"><img src="poll.jpg" width="<%=PollResultGraphicArr[3]%>" height="13"></td>
</tr>
<tr>
<td colspan="2" valign="baseline"><font size="2">射 手 座 （票数：<%=PollResultArr[5]%> 票）</font></td>
<td valign="baseline"><img src="poll.jpg" width="<%=PollResultGraphicArr[5]%>" height="13"></td>
</tr>
<tr>
<td colspan="2" valign="baseline"><font size="2">魔 羯 座 （票数：<%=PollResultArr[7]%> 票）</font></td>
<td valign="baseline"><img src="poll.jpg" width="<%=PollResultGraphicArr[7]%>" height="13"></td>
</tr>
<tr>
<td colspan="2" valign="baseline"><font size="2">水 瓶 座 （票数：<%=PollResultArr[9]%> 票）</font></td>
<td valign="baseline"><img src="poll.jpg" width="<%=PollResultGraphicArr[9]%>" height="13"></td>
</tr>
<tr>
<td colspan="2"><font size="2">双 鱼 座 （票数：<%=PollResultArr[11]%> 票）</font></td>
<td><img src="poll.jpg" width="<%=PollResultGraphicArr[11]%>" height="13"></td>
</tr>
<tr>
<td colspan="3" height="2"> </td>
</tr>
<tr>
<td colspan="3" height="2">
<div align="center">总共投票数：<font face="华文行楷" size="5"><b><%=TotalPoll%></b></font>
票</div>
</td>
</tr>
<tr>
<td colspan="3" height="2"> </td>
</tr>
</table>
<font size="2" color="#009900"></font></td>
</tr>
<tr>
<td height="2"><font size="2" color="#009900"></font></td>
</tr>
</table>
</td>
</tr>
</table>
</body>
</html>
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