1. 投票主页面:
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >
<html xmlns= "http://www.w3.org/1999/xhtml" >
<head>
<meta http-equiv= "Content-Type" content= "text/html; charset=utf-8" />
<title>投票</title>
</head>
<body>
<form action = "TouChuLi.php" method= "post" >
<?php
include ( "DBDA.class.php" );
$db=new DBDA();
//从调研题目表中找出题目代号和名称
$sql= "select * from diaoyantimu limit 0,1" ;
$arr=$db->query($sql);
$tmmc=$arr[0][1];
$tmdh=$arr[0][0];
echo "<div><h2>{$tmmc}:</h2></div>" ;
//从调研选项表中输出选项内容:
$sqlxx= "select * from diaoyanxuanxiang where timudaihao='{$tmdh}'" ;
$arrxx=$db->query($sqlxx);
echo "<div id='list'>" ;
foreach ($arrxx as $v)
{
echo "<div><input type='checkbox' value='{$v[0]}' name='xx[]'>{$v[1]}</div><br />" ;
}
?>
<input type= "submit" value= "提交" >
<input type= "button" value= "查看结果" id= "check" onclick= "Showjieguo()" >
</form>
</div>
<div id= "jieguo" style= "display:none" >
<?php
//计算总人数:
$sqlzs= "select sum(numbers) from diaoyanxuanxiang where timudaihao='{$tmdh}'" ;
$zrs=$db->query($sqlzs);
foreach ($arrxx as $v)
{
$ name =$v[1];
$number=$v[2];
if($zrs[0][0]==0)
{
$bfb = 0;
}
else
{
$bfb = ($number/$zrs[0][0])*100;
}
$bfb=round($bfb,2);
echo "<div>
<span class='x'>{$name} </span>
<div class='x' style='width:200px; height:10px; background-color:#808080'>
<div style='width:{$bfb}%; height:10px; background-color:#FF8040'> </div>
</div>
<span class='x'>{$number} </span>
<span class='x'>{$bfb}% </span>
</div>
<br />
" ;
}
?>
<input type= "button" value= "返回" id= "fanhui" onclick= "Showfanhui()" >
</div>
<script>
function Showjieguo()
{
document.getElementById( "list" ).style.display= "none" ;
document.getElementById( "jieguo" ).style.display= "block" ;
}
function Showfanhui()
{
document.getElementById( "list" ).style.display= "block" ;
document.getElementById( "jieguo" ).style.display= "none" ;
}
</script>
</body>
</html>
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2.处理投票页面:
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<?php
$arr=$_POST[ "xx" ];
include ( "../DBDA.class.php" );
$db=new DBDA();
foreach($arr as $v)
{
$sql = "update diaoyanxuanxiang set numbers = numbers+1 where ids = '{$v}'" ;
$db->Query($sql,1);//1代表$sql的类型
}
header ( "location:TouPiao.php" );
?>
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3. 建立访问数据库的类,封装用于引用:
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<?php
//执行一个sql语句,返回相应的结果
class DBDA
{
public $host = "localhost" ; //数据库服务器地址
public $uid = "root" ; //数据库用户名
public $password = "" ; //数据库密码
//执行SQL语句的方法
//参数里面:$sql代表要执行的sql语句;$type是sql语句的类型,0代表查询,1代表其他(增删改);$db代表要操作的数据库
function Query( $sql , $type =0, $db = "0710_info" )
{
//造连接对象
$dbconnect = new MySQLi( $this ->host, $this ->uid, $this ->password, $db );
//判断连接是否出错
!mysqli_connect_error() or die ( "连接失败!" );
//执行sql语句
$result = $dbconnect ->query( $sql );
//判断SQL语句类型
if ( $type ==0)
{
//如果是查询语句返回结果集的二维数组
return $result ->fetch_all();
}
else
{
//如果是其他语句,返回true或false
return $result ;
}
}
}
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总结
以上所述是小编给大家介绍的使用PHP+MySql实现微信投票功能实例代码,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持!
原文链接:http://www.cnblogs.com/jly144000/archive/2017/09/28/7608419.html