showresult.jsp

jsp做的一个个人网站

<%@ page contentType="text/html;charset=gb2312" import="java.io.*,java.text.*" errorPage="err.jsp" %>
<%
	DecimalFormat df = new DecimalFormat("0.00"); 

	//File file=new File (config.getServletContext().getRealPath(".")+"/result01.txt");
	File file=new File (config.getServletContext().getRealPath(".")+"/myweb/result01.txt");
	FileInputStream fin=new FileInputStream(file);
	BufferedReader in=new BufferedReader(new InputStreamReader(fin));	
	String result=in.readLine();

	String choice[]={"支持","反对","无所谓"};
	int num[]=new int[choice.length];
	double total=0;
	for (int i=0;i<choice.length;i++)
	{
		int begin=result.indexOf(choice[i]);
		int end=result.lastIndexOf(choice[i]);
		num[i]=Integer.parseInt(result.substring(begin+choice[i].length(),end));
		total+=num[i];
	}
	fin.close();
	in.close();	
%>
<table bordercolor="#6D6D6D" border="1" width="100%">
<%
	for (int i=0;i<choice.length;i++)
	{
%>
<tr><td width="20%"><%= choice[i]%></td><td width="20%"><%= num[i]%></td><td  width="500"><img src="picture/1.gif" height=6 width=<%=(int) (num[i]/total*500)%>><%= df.format((num[i]/total*100))+"%"%></td></tr>
<%
	}
%>

</table>
<a href="index.jsp">返回</a>