亚洲国产日韩欧美一区二区三区,精品亚洲国产成人av在线,国产99视频精品免视看7,99国产精品久久久久久久成人热,欧美日韩亚洲国产综合乱

Système de vote simple développé par PHP avec module de fonction d'affichage de vote complet

116.png

Le chapitre précédent explique la mise en ?uvre fonctionnelle de chaque module de la page d'affichage des votes

Cliquez pour sélectionner la fonction de vote

Voir la fonction des résultats du vote

Dans cette section, nous démontrerons pleinement ces fonctions dans le fichier index.php

<?php
ob_start();
session_start();
header("Content-type:text/html;charset=utf-8");

$link = mysqli_connect('localhost','username','password','test');
mysqli_set_charset($link, "utf8");
if (!$link) {
  die("連接失敗:".mysqli_connect_error());
}

?>
<!doctype html>
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title>投票系統(tǒng)</title>
  <script type="text/javascript" src="//cdn.bootcss.com/jquery/1.12.4/jquery.js"></script>
  <style type="text/css">
    /*全局樣式*/
    body { font-family: "宋體"; font-size: 12pt; color: #333333; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;background-color: #A6C7E1;}
    table { font-family: "宋體"; font-size: 9pt; line-height: 20px; color: #333333}
    a:link { font-size: 9pt; color: #333333; text-decoration: none}
    a:visited { font-size: 9pt; color: #333333; text-decoration: none}
    a:hover { font-size: 9pt; color: #E7005C; text-decoration: underline}
    a:active { font-size: 9pt; color: #333333; text-decoration: none}
    /*全局樣式結(jié)束*/
  </style>
  <script language="javascript">
    function check()
    {
      node=frm.itm;
      flag=false;
      for(i=0;i<node.length;i++)
      {
        if(node[i].checked)
        {
          flag=true;
        }
      }
      if(!flag)
      {
        alert("您沒有選擇")
        return false;
      }
      return true;
    }
  </script>

  <?php

  if(isset($_POST["submit"])){

    if($_POST){
      $id = $_POST["selected_id"];
      $sql = "update vote set count = count+1 where id=$id";
      mysqli_query($link,$sql);

    }

    if($_SESSION["vote"]==session_id())
    {
      ?>
      <script language="javascript">
        alert("您已經(jīng)投票了");
        location.href="index.php";
      </script>
    <?php
    exit();
    }
    $id=$_POST["itm"];
    $sql="update vote set count=count+1 where id=$id";
    if(mysqli_query($link,$sql))
    {
    $_SESSION["vote"]=session_id();
    ?>
      <script language="javascript">alert("投票成功,點(diǎn)確定查看結(jié)果");location.href="index.php?id=ck";</script>
    <?php
    }
    else
    {
    ?>
      <script language="javascript">alert("投票失敗");location.href="index.php";</script>
      <?php
    }
  }
  ?>

</head>
<body>
<form name="frm" action="" method="post" onsubmit=return(check()) style="margin-bottom:5px;">
  <table width="365" border="0" align="center" cellpadding="5" cellspacing="1" bgcolor="#C2C2C2">
    <tr>
      <th bgcolor="#FFFFCC">
        <?php
        $sql="select * from votetitle";
        $rs=mysqli_query($link,$sql);
        $row=mysqli_fetch_assoc($rs);
        echo $row["votetitle"];
        ?> </th>
    </tr>
    <?php
    $sql="select * from vote";
    $rs=mysqli_query($link,$sql);
    while($rows=mysqli_fetch_assoc($rs))
    {
      ?>
      <tr>
        <td bgcolor="#FFFFFF"><input type="radio" name="itm" value="<?php echo $rows["id"]?>" />&nbsp;&nbsp;
          <?php echo $rows["item"]?></td>
      </tr>
      <?php
    }
    ?>
    <tr>
      <td align="center" bgcolor="#FFFFFF">
        <input type="submit" name="submit" value="投票"/>
        <input type="hidden" id="selected_id" name="selected_id" value="">
        <input type="button" value="查看結(jié)果" onClick="location.href='index.php?id=ck'"/>&nbsp;&nbsp;
        <script type="text/javascript">
            $("[type='radio']").click(function(){
               $("#selected_id").val($(this).val());
            });
        </script></td>
    </tr>
  </table>
</form>
<?php

if(isset($_GET["id"])=="ck"){?>
  <?php

  $sql="select sum(count) as 'total' from vote";
  $rs=mysqli_query($link,$sql);
  $rows=mysqli_fetch_assoc($rs);
  $sum=$rows["total"];  //得出總票數(shù)

  $sql="select * from vote";
  $rs=mysqli_query($link,$sql);
  ?>
  <table id="click" width="365" border="0" align="center" cellpadding="5" cellspacing="1" bgcolor="#C2C2C2" >
    <tr>
      <th bgcolor="#FFFFFF">項(xiàng)目</th>
      <th bgcolor="#FFFFFF">票數(shù)</th>
      <th bgcolor="#FFFFFF">百分比</th>
    </tr>
    <?php
    while($rows=mysqli_fetch_assoc($rs))
    {
      ?>
      <tr>
        <td bgcolor="#FFFFFF"><?php echo $rows["item"]?></td>
        <td bgcolor="#FFFFFF"><?php echo $rows["count"]?></td>
        <td bgcolor="#FFFFFF">
          <?php
          $per=$rows["count"]/$sum;
          $per=number_format($per,4);
          ?>
          <img src="" height="4" width="<?php echo $per*100?>" />
          <?php echo $per*100?>%      </td>
      </tr>
      <?php
    }
    ?>
  </table>
  <div align="center">
    <a href="index.php">隱藏結(jié)果</a>
  </div>
<?php } ?>
</body>
</html>

Remarque?: ce chapitre n'est qu'un simple démonstration de diverses fonctions, son code est uniquement destiné à la référence d'apprentissage.


Formation continue
||
<?php ob_start(); session_start(); header("Content-type:text/html;charset=utf-8"); $link = mysqli_connect('localhost','username','password','test'); mysqli_set_charset($link, "utf8"); if (!$link) { die("連接失敗:".mysqli_connect_error()); } ?> <!doctype html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>投票系統(tǒng)</title> <script type="text/javascript" src="//cdn.bootcss.com/jquery/1.12.4/jquery.js"></script> <style type="text/css"> /*全局樣式*/ body { font-family: "宋體"; font-size: 12pt; color: #333333; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;background-color: #A6C7E1;} table { font-family: "宋體"; font-size: 9pt; line-height: 20px; color: #333333} a:link { font-size: 9pt; color: #333333; text-decoration: none} a:visited { font-size: 9pt; color: #333333; text-decoration: none} a:hover { font-size: 9pt; color: #E7005C; text-decoration: underline} a:active { font-size: 9pt; color: #333333; text-decoration: none} /*全局樣式結(jié)束*/ </style> <script language="javascript"> function check() { node=frm.itm; flag=false; for(i=0;i<node.length;i++) { if(node[i].checked) { flag=true; } } if(!flag) { alert("您沒有選擇") return false; } return true; } </script> <?php if(isset($_POST["submit"])){ if($_POST){ $id = $_POST["selected_id"]; $sql = "update vote set count = count+1 where id=$id"; mysqli_query($link,$sql); } if($_SESSION["vote"]==session_id()) { ?> <script language="javascript"> alert("您已經(jīng)投票了"); location.href="index.php"; </script> <?php exit(); } $id=$_POST["itm"]; $sql="update vote set count=count+1 where id=$id"; if(mysqli_query($link,$sql)) { $_SESSION["vote"]=session_id(); ?> <script language="javascript">alert("投票成功,點(diǎn)確定查看結(jié)果");location.href="index.php?id=ck";</script> <?php } else { ?> <script language="javascript">alert("投票失敗");location.href="index.php";</script> <?php } } ?> </head> <body> <form name="frm" action="" method="post" onsubmit=return(check()) style="margin-bottom:5px;"> <table width="365" border="0" align="center" cellpadding="5" cellspacing="1" bgcolor="#C2C2C2"> <tr> <th bgcolor="#FFFFCC"> <?php $sql="select * from votetitle"; $rs=mysqli_query($link,$sql); $row=mysqli_fetch_assoc($rs); echo $row["votetitle"]; ?> </th> </tr> <?php $sql="select * from vote"; $rs=mysqli_query($link,$sql); while($rows=mysqli_fetch_assoc($rs)) { ?> <tr> <td bgcolor="#FFFFFF"><input type="radio" name="itm" value="<?php echo $rows["id"]?>" />   <?php echo $rows["item"]?></td> </tr> <?php } ?> <tr> <td align="center" bgcolor="#FFFFFF"> <input type="submit" name="submit" value="投票"/> <input type="hidden" id="selected_id" name="selected_id" value=""> <input type="button" value="查看結(jié)果" onClick="location.href='index.php?id=ck'"/>   <script type="text/javascript"> $("[type='radio']").click(function(){ $("#selected_id").val($(this).val()); }); </script></td> </tr> </table> </form> <?php if(isset($_GET["id"])=="ck"){?> <?php $sql="select sum(count) as 'total' from vote"; $rs=mysqli_query($link,$sql); $rows=mysqli_fetch_assoc($rs); $sum=$rows["total"]; //得出總票數(shù) $sql="select * from vote"; $rs=mysqli_query($link,$sql); ?> <table id="click" width="365" border="0" align="center" cellpadding="5" cellspacing="1" bgcolor="#C2C2C2" > <tr> <th bgcolor="#FFFFFF">項(xiàng)目</th> <th bgcolor="#FFFFFF">票數(shù)</th> <th bgcolor="#FFFFFF">百分比</th> </tr> <?php while($rows=mysqli_fetch_assoc($rs)) { ?> <tr> <td bgcolor="#FFFFFF"><?php echo $rows["item"]?></td> <td bgcolor="#FFFFFF"><?php echo $rows["count"]?></td> <td bgcolor="#FFFFFF"> <?php $per=$rows["count"]/$sum; $per=number_format($per,4); ?> <img src="" height="4" width="<?php echo $per*100?>" /> <?php echo $per*100?>% </td> </tr> <?php } ?> </table> <div align="center"> <a href="index.php">隱藏結(jié)果</a> </div> <?php } ?> </body> </html>
soumettreRéinitialiser le code