php多文件上传 多图片上传程序代码
多文件上传其实就包括了图片及各种文件了，下面介绍的是一款PHP多文件上传类，一共两个文件，upp.php 和 uploadFile.php,upp.php,这是前台所显示的表单文件了，默认的是四个上传文件域，我们可以手动进行修改，另外这个页面嵌套了 uploadFile.php 文件上传类，下面一起来看例子。
文件上传例子
<?php
header('content-type:text/html;charset=utf-8');
require ('uploadFile.php');
if (isset($_POST['submit'])) {
$uploads = $_FILES['file'];
$num_file = count($uploads['name']);
$up = new UploadFile($uploads, 'uploads', 1024);
$num = $up->upload();
if ($num == $num_file) {
echo '全部文件上传成功';
exit;
} else {
echo $num, '个文件上传成功<br/>';
echo $up->showErrorInfo();
exit;
}
}
?><!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无标题文档</title> </head> <body> <form action="uup.php" method="post" enctype="multipart/form-data"> <p><input name="file[]" type="file" /></p> <p><input name="file[]" type="file" /></p> <p><input name="file[]" type="file" /></p> <p><input name="file[]" type="file" /></p> <input name="submit" type="submit" /> </form> </body> </html>
文件上传类代码
<?php
/*------------*/
class UploadFile {
var $user_post_file = array();
var $save_file_path = '';
var $max_file_size = '';
var $allow_type = array(
'gif',
'jpg',
'png',
'zip',
'rar',
'txt',
'doc',
'pdf'
);
var $final_file_path = '';
var $save_info = array();
var $error_info = array();
/**
*构造函数，用于初始化信息。
*
*@param Array $file
*@param String $path
*@param Integer $size
*@param Array $type
*/
function __construct($file, $path, $size = 2097152, $type = '') {
$this->user_post_file = $file;
$this->save_file_path = $path;
$this->max_file_size = $size;
if (!$type = '') {
$this->allow_type[] = $type;
}
}
/**
*
*
*@access public
*@return int
*/
function upload() {
for ($i = 0; $i < count($this->user_post_file['name']); $i++) {
if ($this->user_post_file['error'][$i] == 0) { //上传文件状态正常
//获取当前文件名，临时文件名，大小，类型，扩展名
$name = $this->user_post_file['name'][$i];
$tmp_name = $this->user_post_file['tmp_name'][$i];
$size = $this->user_post_file['size'][$i];
$type = $this->user_post_file['type'][$i];
$ext_name = $this->getExtName($name);
//文件大小
if (!$this->checkSize($size)) {
$this->error_info[] = '您上传的文件:' . $name . '太大';
continue;
}
//扩展名
if (!$this->checkType($ext_name)) {
$this->error_info[] = '您上传的文件:' . $name . '不合法';
continue;
}
//非法上传
if (!is_uploaded_file($tmp_name)) {
$this->error_info[] = '您上传的文件:' . $name . '属于非法提交';
continue;
}
//
$basename = $this->getBaseName($name, "." . $ext_name);
$final_filename = $basename . '-' . time() . '-' . rand(1, 10000) . '.' . $ext_name;
$this->final_file_path = $this->save_file_path . '/' . $final_filename;
if (!move_uploaded_file($tmp_name, $this->final_file_path)) {
$this->error_info = $this->user_post_file['error'][$i];
continue;
}
//
$this->save_info[] = array(
"name" => $name,
"ext_name" => $ext_name,
"type" => $type,
"size" => $size,
"final_filename" => $final_filename,
"path" => $this->final_file_path
);
}
}
return count($this->save_info);
}
/*
*检查用户上传文件的大小时候合法
*
*@param Integer $size
*@access private
*@return boolean
*/
function checkSize($size) {
if ($size > $this->max_file_size) {
return FALSE;
}
return TRUE;
}
/*
*检查用户上传文件的类型是否合法
*
*@access private
*@return boolean
*/
function checkType($extension) {
foreach ($this->allow_type as $type) {
if (strcasecmp($extension, $type) == 0) {
return TRUE;
}
}
return FALSE;
}
/*
*获取文件的扩展名
*
*@param string $filename
*@access private
*@return string
*/
function getExtName($filename) {
$p = pathinfo($filename);
return $p['extension'];
}
/*
*获取文件名（不包括扩展名）
*
*@param string $filename
*@param string $type
*@access private
*@return boolean
*/
function getBaseName($filename, $ext_name) {
$basename = basename($filename, $ext_name);
return $basename;
}
/*
*
*
*
*/
function showErrorInfo() {
if (count($this->error_info) != 0) {
//echo 'error...<br/>';
foreach ($this->error_info as $k => $v) {
echo ($k + 1) , ':', $v, '<br/>';
}
}
}
function getSaveInfo() {
return $this->save_info;
}
}
//$upload = new UploadFile('','');
//$upload = new UploadFile();
//$upload->showErrorInfo();
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