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upload.php
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upload.php
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<?php //图片上传
$allowed = array("gif", "jpg", "png");// 限制上传文件格式
$f = explode(".", $_FILES["file"]["name"]);
echo $_FILES["file"]["size"];
$end = end($f); // 获取文件后缀名
if ((($_FILES["file"]["type"] == "image/gif")
|| ($_FILES["file"]["type"] == "image/jpg")
|| ($_FILES["file"]["type"] == "image/png"))
&& ($_FILES["file"]["size"] < 204800) // 小于 200 kb
&& in_array($end, $allowed))
{
if ($_FILES["file"]["error"] > 0)
{
echo "错误:: " . $_FILES["file"]["error"] . "<br>";
}
else
{
echo "上传文件名: " . $_FILES["file"]["name"] . "<br>";
echo "文件类型: " . $_FILES["file"]["type"] . "<br>";
echo "文件大小: " . ($_FILES["file"]["size"] / 1024) . " kB<br>";
// 判断当期目录下的 upload 目录是否存在该文件
if (file_exists("image/" . $_FILES["file"]["name"]))
{
echo $_FILES["file"]["name"] . " 文件已经存在。 ";
echo '<br>点击此处 <a href="activity.php">返回</a>';
}
else
{
// 如果 upload 目录不存在该文件则将文件上传到 upload 目录下
move_uploaded_file($_FILES["file"]["tmp_name"], "image/" . $_FILES["file"]["name"]);
echo "文件存储在: " . "image/" . $_FILES["file"]["name"];
echo '<br>点击此处 <a href="activity.php">返回</a>';
}
}
}
else
{
echo "非法的文件格式";
echo '<br>点击此处 <a href="activity.php">返回</a>';
}
?>