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📄 result.jsp

📁 数据库表结构 用SQL Server建立数据库 数据库名:questionnaire Questions表 QuestionID 索引投票主题 Questions 存储投票主题内容
💻 JSP
字号:
<%@page contentType="text/html;charset=GB2312"%>
<%@page import="java.sql.*"%>
<%@include file="opendata.jsp"%>
<%@include file="check.jsp"%>
<%!
 String printf(String str)  //转换百分比格式
 {
  int index=0;
  if((index=str.indexOf(".")) != -1)
   str = str.substring(0,index) +"."+ str.substring(index+1,index+3);
  return(str);
 }
%>

<html>
<head>
<title>查看结果</title>
<LINK href="style.css" rel=stylesheet>
</head>
<body>
    <TABLE borderColor=#999999 cellSpacing=0 cellPadding=0 width=100% border=1>
      <TBODY>
      <TR bgColor=#999999>
        <TD colSpan=10>


<%
 int questionid = Integer.parseInt(request.getParameter("questionid"));
 sql = "SELECT Question, Date from questions where QuestionID ="+questionid;
 rs = smt.executeQuery(sql);
 while(rs.next())
 {
  String question = rs.getString(1);
  String date = rs.getString(2);
  out.print("<p align=center>"+date+"发布</td></tr>");
  out.print("<TR bgColor=#999999><TD colSpan=10>"+question+"</td></tr>");
 }
%>
<TABLE cellSpacing=0 cellPadding=0 width=100% align=center border=1 bordercolor="#999999">
            <TBODY>
            <TR>

            <TD width="45%">
              <div align="center">选项</div>
                </TD>

            <TD width="4%">
              <div align="center">记数</div>
            </TD>

            <TD width="51%">
              <div align="center">图示</div>
            </TD>
            </TR>
<%
 sql = "SELECT ItemCount From Items Where QuestionID ="+questionid;
 rs = smt.executeQuery(sql);
 int totalcount = 0;
 while(rs.next())
 {
  totalcount += rs.getInt(1);
 }
 if(totalcount==0)
 {
  out.print("暂时还没有人参加本题投票");
  sql = "SELECT Item, ItemCount FROM Items where QuestionID ="+questionid;
  rs = smt.executeQuery(sql);
  String item;
  int itemcount;
  String percent;
  while(rs.next())
  {
   item = rs.getString(1);
   itemcount = rs.getInt(2);
   percent = printf(String.valueOf((double)itemcount/totalcount*100)+"0");
   out.print("<tr><td>"+item+"</td>");
   out.print("<td align=center>"+itemcount+"</td>");
   //out.print("<td><img src = bar.jpg width = "+Float.parseFloat(percent)+ " height = 10>"+ percent+"%");
   out.print("</tr>");
  }
 }
 else
 {
  out.print("共有"+totalcount+"人参加本题投票");
  sql = "SELECT Item, ItemCount FROM Items where QuestionID ="+questionid;
  rs = smt.executeQuery(sql);
  String item;
  int itemcount;
  String percent;
  while(rs.next())
  {
   item = rs.getString(1);
   itemcount = rs.getInt(2);
   percent = printf(String.valueOf((double)itemcount/totalcount*100)+"0");
   out.print("<tr><td>"+item+"</td>");
   out.print("<td align=center>"+itemcount+"</td>");
   out.print("<td><img src = bar.gif width = "+Float.parseFloat(percent)*2+ " height = 10>"+ percent+"%");
   out.print("</tr>");
  }
 }

%>
</table>
</table>
<p>
<p>
<hr>
<p>
<div align="center"><a href="Javascript:window.close();">关闭窗口</a></div>

</body>
</html>

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