本文实例为大家分享了php查询操作实现投票功能的代码，供大家参考，具体内容如下
题目：
解题方法汇总：
方法一：
1. 投票主页面：
<!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><style>#list{ width:400px; height:300px;}#jieguo{ width:400px; height:300px;}.x{ float:left;} </style></head> <body> <form action="TouChuLi.php" method="post"><?phpinclude ("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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