php 上传文件代码://可能不全
<html>
<body>
<form action="download.php" method="GET"
enctype="multipart/form-data">
<label for="file">Filename:</label>
<input type="file" name="FileName" id="Fileid" value="<?php echo $_FILES["file"]["name"];?>" />
<h1></h1>
<input type="submit" name="submit" value="download" />
</form>
</body>
</html>
php写的处理文件
<?php
if( empty($_GET['FileName'])){
echo'<script> alert("非法连接 !"); place ("./fileload.html") </script>'; exit();
}
$file_name=$_GET['FileName'];//得到要下载的文件
if (!file_exists($file_name)) { //检查文件是否存在
echo "文件不到";
exit;
} else {
$file = fopen( $file_name,"r"); // 打开文件
// 输入文件标签
Header("Content-type: application/octet-stream");
//Header("Accept-Ranges: bytes");
//Header("Accept-Length: ".filesize( $file_name));
//Header("Content-Disposition: attachment; filename=" . $file_name);
// 输出文件内容
echo fread($file,filesize( $file_name));
fclose($file);
exit();
}
?
>
上传进度条源代码：
（1）if ($_SERVER['REQUEST_METHOD'] == 'POST') { //上传请求
$status = apc_fetch('upload_' . $_POST['APC_UPLOAD_PROGRESS']);
$status['done'] = 1;
echo json_encode($status); //输出给用户端页面里的ajax调用，相关文档请自己寻
exit;
} elseif (isset($_GET['progress_key'])) { //读取上传进度
$status = apc_fetch('upload_'.$_GET['progress_key']);
echo json_encode($status);
exit;
} else {
//其他代码，比如上传表单等
}
（2）
if($_SERVER['REQUEST_METHOD']=='POST') {
if (is_uploaded_file($_FILES['upfile']['tmp_name'])) {
$upload_dir = 'your_path/';
$ext = strrchr($_FILES['video']['name'], '.');
$sessid = $_POST['UPLOAD_IDENTIFIER'] ;
$tmpfile = $upload_dir . $sessid;
$sessfile = $upload_dir . $sessid .$ext;
if (move_uploaded_file($_FILES['upfile']['tmp_name'],$tmpfile)) {
//上传成功
} else {
//上传失败
} else {
//上传错误
} elseif (!empty($_GET['sessid'])) {
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
header("Content-Type:text/html;charset=UTF-8");
$unique_id = $_GET['sessid'];
$uploadvalues = uploadprogress_get_info($unique_id);
if (is_array($uploadvalues)) {
echo json_encode($uploadvalues);
} else {
//读取进度失败，另外处理逻辑
}
} else {
//显示上传表单
}
php文件上传模型：
<?php
class UploadModel
{
protected $keys;
protected
$err = array();
protected $target;
protected $exts;
protected $maxSize;
protected $randName;
protected $files = array();
/**
* 初始化变量
*/
public function __construct()
{
$this->exts = array('jpeg','jpg','gif','png','zip','rar');
$this->maxSize = 1024*1024*2;
$this->target = dirname(__FILE__) . '/upload/';
$this->randName = true;
$this->keys = $this->getKeys();
}
/**
* 获取 file 的名称
*/
protected function getKeys()
{
$keys = array_keys($_FILES);
return $keys;
}
/**
* 设置不同类型的变量
*/
public function __set($name, $value)
{
$property = array('target','exts','maxSize','randName');
if(!in_array($name, $property)) return false;
switch(strval($name))
{
case 'target':
$this->$name = Configure::read('app_path') . $value;
break;
case 'exts':
$this->$name = explode(',', $value);
break;
case 'randName':
if($value === true || $value == 1)
{
$this->$name = true;
}
else {
$this->$name = false;
}
break;
default:
$this->$name = $value;
}
}
/**
* 移动上传的文件到指定的目录
* @param $fileName 移动单个文件名称的时候，对上传的文件重新命名
*/
public function save($fileName)
{
$this->err = array();
$this->files = array();
if(!file_exists($this->target)) {
mkdir($this->target);
chmod($this->target, 0777);
}
php中header是什么意思foreach($this->keys as $key)
{
if(is_array($_FILES[$key]['name']))
{
$count = count($_FILES[$key]['name']);
for($i=0; $i<$count; $i++)
{
$keys = array_keys($_FILES[$key]);
foreach($keys as $item)
{
$file[$item] = $_FILES[$key][$item][$i];
}
$this->upload($file, $fileName);
}
return (count($this->err) > 0)? false:true;
}
else {
return $this->upload($_FILE[$key], $fileName);
}
}
}
/** 内部处理上传文件的过程 */
protected function upload($file, $fileName)
{
if(!is_uploaded_file($file['tmp_name'])) return false;
if(!$this->checkExt($file)) return false;
if(!$this->checkSize($file)) return false;
if($this->randName)
{
$newFileName = $this->target . date('YmdHis', time()) . rand(0,9) . '.' . $this->getExt($file['name']);
}
elseif(emptyempty($fileName))
{
$newFileName = $this->target . '/' . $file['name'];
}
else {
$newFileName = $this->target . '/' . $fileName;
}
$result = move_uploaded_file($file['tmp_name'], $newFileName);
if(!$result)
{
return false;
}
else {
$this->files[] = str_replace($this->target, $newFileName);
return true;
}
}
/**
* 是否是可上传的文件类型
* @param $file 文件对象
*/
public function checkExt($file)
{
if(!in_array($this->getExt($file['name']), $this->exts))
{
$this->err[] = $file['name'].':ext';
return false;
}
else {
return true;
}
}
/**
* 获取文件后缀名
*/
public function getExt($fileName)
{
$pos = strrpos($fileName, '.')+1;
return substr($fileName, $pos);
}
/
**
* 检查文件大小
是否合法
*/
public function checkSize($file)
{
if($size > $this->maxSize)
{
$this->err[] = $file['name'].':max';
return false;
}
else {
return true;
}
}
/**
* 取得已经上传的文件名称
*/
public function getFiles()
{
return $this->files;
}
}
前台代码
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<form action="/?a=up" method="post" enctype="multipart/form-data">
<!-- 以下两上file类型控制的name属性可以任意设置，系统会自己取出input 的名称 -->
<input name="files[]" type="file" size="30" />
<input name="files[]" type="file" size="30" />
<input type="submit" value="开始上传" />
</form>
</body>
</html>

版权声明：本站内容均来自互联网，仅供演示用，请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系QQ:729038198，我们将在24小时内删除。