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No database required for online polling php code_php example
- WBOYOriginal
- 2016-08-04 08:56:501133browse
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
<?
/*
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
*/
?>
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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