Système de vote simple développé avec PHP et module de fonction administrateur complet
Auparavant nous avons décomposé les fonctions de chaque module de la page administrateur
Modifier le titre
Modifier et supprimer les éléments sélectionnés
Ajouter un nouveau projet
Dans cette section, nous intégrerons toutes les fonctions et créerons un admin.php pour afficher entièrement toutes les fonctions.
<?php
ob_start(); //打開緩沖區(qū)
session_start();
header("Content-type:text/html;charset=utf-8");
$link = mysqli_connect('localhost','username','password','test');
mysqli_set_charset($link, "utf8");
if (!$link) {
die("連接失敗:".mysqli_connect_error());
}
?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>PHP+mysql開發(fā)的簡單投票系統(tǒng)</title>
<style type="text/css">
/*全局樣式*/
body { font-family: "宋體"; font-size: 12pt; color: #333333; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;background-color: #d4d4d4;}
table { font-family: "宋體"; font-size: 9pt; line-height: 20px; color: #333333}
/*全局樣式結(jié)束*/
</style>
<script language="javascript">
function selectAll()
{
node=window.document.frm.itm;
for(i=0;i<node.length;i++)
{
node[i].checked=true;
}
}
function cancelAll()
{
node=frm.itm;
for(i=0;i<node.length;i++)
{
node[i].checked=false;
}
}
function del()
{
node=frm.itm;
id="";
for(i=0;i<node.length;i++)
{
if(node[i].checked)
{
if(id=="")
{
id=node[i].value
}
else
{
id=id+","+node[i].value
}
}
}
if(id=="")
{
alert("您沒有選擇刪除項");
}
else
{
location.href="?type=del&id="+id
}
}
</script>
</head>
<body>
<?php
if(isset($_GET['tj']) == 'out'){
session_destroy();//刪除當(dāng)前用戶對應(yīng)的session文件以及釋放session
echo "<script language=javascript>alert('退出成功！');window.location='index.php'</script>";
}
?>
<?php
if(isset($_POST['Submit10'])){
if($_POST['pwd']=='admin'){
$_SESSION['pwd']=2;
echo "<script language=javascript>alert('登陸成功！');window.location='admin.php'</script>";
}else{
echo "<script language=javascript>alert('登陸失敗,請檢查您的密碼！');window.location='admin.php'</script>";
}
}
?>
<?php if($_SESSION['pwd']<>2){ ?>
<form action="" method="post">
<table width="365" border="0" align="center" cellpadding="5" cellspacing="1" bgcolor="#C2C2C2">
<tr>
<td height="30" align="right" bgcolor="#FFFFFF"><label>輸入密碼：</label></td>
<td align="left" bgcolor="#FFFFFF"><input name="pwd" type="text" id="pwd" /></td>
</tr>
<tr>
<td height="30" colspan="2" align="center" bgcolor="#FFFFFF"><label>
<input name="Submit10" type="submit" id="Submit10" value="登陸" />
</label>
<label>
<input type="reset" name="Submit5" value="重置" />
</label></td>
</tr>
<tr>
<td height="30" colspan="2" align="center" bgcolor="#FFFFFF">
軟件版本：<script type="text/javascript" src="http://www.04ie.com/net/phpvote1_1.js"></script></td>
</tr>
</table>
</form>
<?php }else{ ?>
<?php
if(isset($_POST["Submit"]))
{
$title=$_POST["title"];
$sql="update votetitle set votetitle='$title'";
mysqli_query($link,$sql);
?>
<script language="javascript">
alert("修改成功");
</script>
<?php
}
if(isset($_POST["Submit2"]))
{
$newitem=$_POST["newitem"];
$sql="insert into vote (titleid,item,count) values (1,'$newitem',1)";
mysqli_query($link,$sql);
}
?>
<form id="frm" name="frm" method="post" action="" style="margin-bottom:3px;">
<table width="365" border="0" align="center" cellpadding="5" cellspacing="1" bgcolor="#C2C2C2">
<tr>
<td colspan="4" bgcolor="#FFFFFF"><label>
<?php
$sql="select * from votetitle";
$rs=mysqli_query($link,$sql);
$rows=mysqli_fetch_assoc($rs);
?>
<input name="title" type="text" id="title" size="35" value="<?php echo $rows["votetitle"]?>" />
</label></td>
<td width="68" align="center" bgcolor="#FFFFFF"><label>
<input type="submit" name="Submit" value="修改標(biāo)題" />
</label></td>
</tr>
<tr>
<th width="30" bgcolor="#FFFFFF">編號</th>
<th width="45" bgcolor="#FFFFFF">項目</th>
<th width="52" bgcolor="#FFFFFF">票數(shù)</th>
<th width="50" align="center" bgcolor="#FFFFFF">修改</th>
<th align="center" bgcolor="#FFFFFF">刪除</th>
</tr>
<?php
$sql="select * from vote order by count desc";
$rs=mysqli_query($link,$sql);
while($rows=mysqli_fetch_assoc($rs))
{
?>
<tr>
<td align="center" bgcolor="#FFFFFF"><input type="checkbox" name="itm" value="<?php echo $rows["id"]?>" /><?php echo $rows["id"]?></td>
<td align="center" bgcolor="#FFFFFF"><?php echo $rows["item"]?></td>
<td align="center" bgcolor="#FFFFFF"><?php echo $rows["count"]?></td>
<td align="center" bgcolor="#FFFFFF"><input type="button" value="修改" onclick="location.href='?type=modify&id=<?php echo $rows["id"]?>'" /></td>
<td align="center" bgcolor="#FFFFFF"><input type="button" value="刪除" onclick="location.href='?type=del&id=<?php echo $rows["id"]?>'" /></td>
</tr>
<?php
}
?>
<tr>
<td colspan="5" align="center" bgcolor="#FFFFFF">
<input type="button" value="選擇全部" onclick="selectAll()" />
<input type="button" value="取消全部" onclick="cancelAll()" />
<input type="button" value="刪除所選" onclick="del()" /> </td>
</tr>
<tr>
<td colspan="3" bgcolor="#FFFFFF"><label>
<input name="newitem" type="text" id="newitem" />
</label></td>
<td colspan="2" bgcolor="#FFFFFF"><label>
<input type="submit" name="Submit2" value="添加新項" />
</label>
<a href="?tj=out">退出管理</a></td>
</tr>
</table>
</form>
<?php
$type = isset($_GET["type"])?$_GET["type"]:"";
if($type =="modify"){
$id=$_GET["id"];
if(isset($_POST["Submit3"]))
{
$item=$_POST["itm"];
$count=$_POST["count"];
$sql="update vote set item='$item',count=$count where id=$id";
mysqli_query($link,$sql);
echo "<script language=javascript>alert('修改成功！');window.location='admin.php'</script>";
}
$sql="select * from vote where id=$id";
$rs=mysqli_query($link,$sql);
$rows=mysqli_fetch_assoc($rs);
?>
<form id="form1" name="form1" method="post" action="" style="margin-top:2px;">
<table width="365" border="0" align="center" cellpadding="5" cellspacing="1" bgcolor="#C2C2C2">
<tr>
<th colspan="2" bgcolor="#FFFFFF">修改投票項目</th>
</tr>
<tr>
<td align="center" bgcolor="#FFFFFF">名稱:</td>
<td bgcolor="#FFFFFF"><label>
<input name="itm" type="text" id="itm" value="<?php echo $rows["item"]?>" />
</label></td>
</tr>
<tr>
<td align="center" bgcolor="#FFFFFF">票數(shù)：</td>
<td bgcolor="#FFFFFF"><label>
<input name="count" type="text" id="count" value="<?php echo $rows["count"]?>" />
</label></td>
</tr>
<tr>
<td colspan="2" align="center" bgcolor="#FFFFFF"><label>
<input type="submit" name="Submit3" value="修改" />
<input type="reset" name="Submit" value="重置" />
</label></td>
</tr>
</table>
</form>
<?php
}
?>
<?php
$type = isset($_GET["type"])?$_GET["type"]:"";
if($type =="del"){
$id=$_GET["id"];
$sql="delete from vote where id in ($id)";
mysqli_query($link,$sql);
echo "<script language=javascript>alert('刪除成功！');window.location='admin.php'</script>";
}
?>
<?php } ?>
</body>
</html>
