📄 show.jsp
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<%@ page contentType="text/html; charset=GBK" %>
<html>
<head>
<title>调查结果显示</title>
<meta http-equiv="Content-type" content="text/html;charset=gbk">
</head>
<body>
<center> <table> <h4>调查结果</h4><br>
<tr>
<td>
<%@ page import="java.util.*,java.lang.*,java.io.*"%>
<% String resultsDir="C:/Program Files/Apache Software Foundation/Tomcat 5.5/webapps/vote/";%>
<% FileInputStream tfile=new FileInputStream (resultsDir+System.getProperty("file.separator")+"vote.txt");%>
<% String str="";
int c;
while ((c=tfile.read())!=-1)
{str=str+(char)c;
}
int first=str.indexOf(":");
int last=str.lastIndexOf(":");
int lenth=str.length();
String First=str.substring(0,first);
String Next=str.substring(first+1,last);
String Last=str.substring(last+1,lenth);
tfile.close();
Long a1=new Long(First);
Long a2=new Long(Next);
Long a3=new Long(Last);
long b1=a1.longValue();
long b2=a2.longValue();
long b3=a3.longValue();
long total=b1+b2+b3;
float h0=100*((float)b1/(float)total);
float h1=100*((float)b2/(float)total);
float h2=100*((float)b3/(float)total);%>
<% out.println("在线购物:<img src=../vote/poll.gif width="+h0+"height=15>"+b1+"<br>");%>
<% out.println("技术支持:<img src=../vote/poll.gif width="+h1+"height=15>"+b2+"<br>");%>
<% out.println("产品介绍:<img src=../vote/poll.gif width="+h2+"height=15>"+b3+"<br>");%>
<% out.println("投票人总数："+total+" "); %>
</td>
</tr>
</table>
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</center>
</body>
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