我是 php 新手，我正在使用 php 的图像上传脚本来更新我的徽标，每当用户选择图像文件时，现有图像文件应该被新的上传文件替换并且也应该在屏幕上更新，因为这个 iam 使用这个脚本但它没有做任何事情，我的意思是它也没有替换图像，也没有将新图像放入文件夹...... :(请帮助我摆脱这个问题，几个月以来我一直在这个问题中......
这是 setup.php
<?php include("../includes/config.php"); ?>
<?php
if ($_SESSION["isadmin"])
{
$con=mysql_connect($dbserver,$dbusername,$dbpassword);
if (!$con) { die('Could not connect: ' . mysql_error()); }
mysql_select_db($dbname, $con);
$result = mysql_query("SELECT * FROM setup WHERE (id=".$_SESSION["id"].")");
while($row = mysql_fetch_array($result))
{
$title = $row['title'];
$theme = $row['theme'];
}
mysql_close($con);
?>
<!DOCTYPE HTML>
<html>
<head>
<title>Admdin Home</title>
<link rel="StyleSheet" href="css/style.css" type="text/css" media="screen">
</head>
<body>
<?php include("includes/header.php"); ?>
<?php include("includes/nav.php"); ?>
<?php include("includes/aside.php"); ?>
<div id="maincontent">
<div id="breadcrumbs">
<a href="">Home</a> >
<a href="">Setup</a> >
Customization
</div>
<h2>Customize</h2>
<?php
if (isset($_GET["status"]))
{
if($_GET["status"]==1)
{
echo("<strong>Customization Done!</strong>");
}
if($_GET["status"]==2)
{
echo("<strong>Customization Error!!</strong>");
}
}
?>
<form method="post" action="setup-action.php" enctype="multipart/form-data" >
<label>Title Of Your Organization:</label> <input type="text" name="title" value="<? php echo $title; ?>" /> <br /> <br />
<label>Select Theme</label>
<select name="theme" value="<?php echo $theme; ?>">
<option value="Default">Default</option>
<option value="Dark">Dark</option>
<option value="White">White</option>
</select>
<br /> <br />
<label>Choose Your Logo Here</label><input type="file" name="file"/><br /> <br />
<input type="submit" name="Upload" value="Upload" />
</form>
</div>
</body>
<?php include("includes/footer.php"); ?>
</html>
<?php
}
else
{
header("Location: ".$fullpath."login/unauthorized.php");
}
?>
这是 setup-action.php
<?php include("../includes/config.php");?>
<?php
if(isset($_FILES["file"]))
{
if ((($_FILES["file"]["type"] == "image/gif") || ($_FILES["file"]["type"] == "image/jpeg") || ($_FILES["file"]["type"] == "image/pjpeg"))
&& ($_FILES["file"]["size"] < 1000000))
{
if ($_FILES["file"]["error"] > 0)
{
echo "Return Code: " . $_FILES["file"]["error"] . "<br />";
}
if (file_exists("../graphics/" . $_FILES["file"]["name"]))
{
echo $_FILES["file"]["name"] . " already exists. ";
}
else
{
move_uploaded_file($_FILES["file"]["name"],
"../graphics/" . $_FILES["file"]["name"]);
echo "Stored in: " . "../graphics/" . $_FILES["file"]["name"];
}
}
}
else
{
echo "Invalid file";
}
?>
<?php
$title=$_POST["title"];
$theme=$_POST["theme"];
$con=mysql_connect($dbserver,$dbusername,$dbpassword);
if (!$con) { die('Could not connect: ' . mysql_error()); }
mysql_select_db($dbname, $con);
$result=mysql_query("SELECT * FROM setup WHERE id=".$_SESSION['id']);
$num_rows = mysql_num_rows($result);
if ($num_rows > 0)
{
{
mysql_query("UPDATE setup SET title='".$title."' , theme='".$theme."'WHERE id=".$_SESSION['id']);
header("Location:setup.php?status=1");
}
}
else {
header("Location:setup.php?status=2");
}
mysql_close($con);
?>