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No database required for online polling php code_php example

WBOY
WBOYOriginal
2016-08-04 08:56:501148browse

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;>

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.

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