Home > Backend Development > PHP Tutorial > No database required for online polling php code_php example

No database required for online polling php code_php example

WBOY
Release: 2016-08-04 08:56:50
Original
1162 people have browsed it

This is an online voting system made of php + txt text files. It can complete the online user survey function without database support. The specific content is as follows

<html> 
<head> 
<title>在线调查程序代码</title> 
</head> 
<body> 
<form method="post" action="survey.php"> 
 <p><input type="radio" value="0" name="vote">调查项目一</p> 
 <p><input type="radio" name="vote" value="1">调查项目二</p> 
 <p><input type="radio" name="vote" value="2">调查项目三</p> 
 <p><input type="radio" name="vote" value="3">调查项目四</p> 
 <p><input type="radio" name="vote" value="4">调查项目五</p> 
 <p><input type="hidden" name="go" value="1"> 
 <p><input type="submit" value="提交" name="b1"></p> 
 <a href="#">查看结果</a> 
</form> 
</body> 
</html> 
//survey.php 
<&#63; 
/* 
无需数据库教程在线投票调查php代码 
这是一款由php +txt文本文件做的在线调用投票系统,无需数据库支持可以完成在线用户调查功能。 
*/ 
 $data="data.txt"; 
 $votes="survey.txt"; 
 $dataf=file($data);    /*读出调查项目文件中的项目*/ 
 $file_votes=fopen($votes, "r"); 
 $line_votes=fgets($file_votes, 255); /*读出已经记录的调查结果*/ 
 fclose($file_votes); 
 $single_vote=explode("|", $line_votes); /* 并将数据按指定的字串切开,再将字串传回到数组变量中 */ 
  if ($result!=1)     /*如果已经接受了调查*/ 
  { 
  $file_votes=file($votes, "r"); 
  if ($remote_addr == $file_votes[1])              /*检查是不是同一个人*/ 
   { 
    echo "<center><font color=red>您已投过票了,谢谢您的参与!</font></center>"; 
    exit; 
   } 
  /*如果ip不重复,则执行以下程序*/ 
  $ficdest=fopen($votes, "w"); 
  for ($i=0; $i<=count($dataf)-1; $i++) 
   { 
     if ($i == $vote) 
     {                 /*判断选择了哪个项目*/ 
     $single_vote[$i]+=1; 
     } 
       fputs($ficdest, "$single_vote[$i]|"); /*将数据写回文件*/ 
   } 
    fputs($ficdest, "n$remote_addr");/* //写入投票者ip*/ 
  fclose($ficdest); 
  $result=1; /*投票成功*/ 
 } 
 /*写入投票结果后并显示投票结果*/ 
 if ($result==1) 
 { 
  echo "<table cellpadding=10>"; 
  for ($i=0; $i<=count($dataf)-1; $i++) 
  { 
   /*取得投票总数*/ 
   $tot_votes+=$single_vote[$i]; 
  } 
  for ($i=0; $i<=count($dataf)-1; $i++) 
  { 
   $imag=strval($i).".gif";/*判断用哪种条形图片来显示统计结果*/ 
   $stat[$i]=$single_vote[$i]/$tot_votes*100; /*计算百分比*/ 
   $scla=$stat[$i]*5;/*条形图和放大倍数,这里是安百分数的5倍的相素的宽度来显示的*/ 
   echo "<tr><td><li><font face=verdana size=2>"; 
   echo "$dataf[$i]</font></td><td align=left><font face=verdana size=2>"; 
   echo "<img src="$imag" height=20 width=$scla align=middle> ";/*输出条形码图*/ 
   printf("%.1f", "$stat[$i]"); 
   echo "%</font></td><td align=center><font face=verdana size=2>"; 
   /*输出本栏目投票数*/ 
   echo "$single_vote[$i]</font>"; 
   echo "</td></tr>"; 
  } 
  echo "</table><p>"; 
  echo "<font face=verdana size=2>总投票数:$tot_votes </font>"; 
} 
/* 
data.txt 文件 
调查项目一 
调查项目二 
调查项目三 
调查项目四 
调查项目五 
*/ 
&#63;> 
Copy after login

The above is the entire content of this article. I hope it will be helpful to everyone’s study. I also hope that everyone will support Script Home.

source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template