本文目录一览:
php 图片上传move_uploaded_file 出错
上传文件不存在。很可能是PHP临时文件夹不存在导致的。
?php
/*
* 文件上传类
*/
class Uploads{
//上传文件
private $uploadFile;
//上传文件扩展名
private $ext = array('jpeg','jpg','gif','png');
//上传文件大小
private $size = 5000000;
//上传文件目录
private $uploadDir = './uploads/';
//是否自定义名称,默认FALSE
private $newName = '';
//上传文件是否可读,默认为TRUE
private $isRead = TRUE;
//上传文件是否可写,默认为TRUE
private $isWrite = TRUE;
//上传信息
private $info;
/*
* 文件上传类初始化
*/
public function __construct($newName='',$ext='',$size='',$dir='',$isRead=TRUE,$isWrite=TRUE){
$this-ext = empty($ext)?$this-ext:$ext;
$this-size = empty($size)?$this-size:$size;
$this-dir = empty($dir)?$this-uploadDir:$dir;
$this-newName = $newName;
$this-isRead = $isRead?TRUE:FALSE;
$this-isWrite = $isWrite?TRUE:FALSE;
}
/*
* 处理上传文件
*/
public function doUpload(){
$this-checkData();
$this-checkFile() or $this-error();
$this-checkExt() or $this-error();
$this-checkSize() or $this-error();
$this-checkError() or $this-error();
$this-checkDir() or $this-error();
$this-upload() or $this-error();
return $this-info['msg'];
}
/*
* 处理上传文件数据
*/
public function checkData(){
$num = 0;
$newArr = array();
foreach($_FILES as $v){
if(is_array($v['name'])){
$count = count($v['name']);
for($i=0; $i$count; $i++){
foreach($v as $m=$n){
$newArr[$num][$m] = $n[$i];
}
$num++;
}
}else{
$newArr[$num] = $v;
$num++;
}
}
$endArr = array();
foreach($newArr as $v){
if($v['name'] != ''){
$endArr[]=$v;
}
}
$this-uploadFile = $endArr;
}
/*
* 检测上传文件是否存在
*/
private function checkFile(){
if(empty($this-uploadFile)){
$this-info['error'] = '上传文件不得为空!!!';
return FALSE;
}
return TRUE;
}
/*
* 检测上传文件类型是否合法
*/
private function checkExt(){
if(!is_array($this-ext)){
$this-ext = explode(',', $this-ext);
}
foreach($this-uploadFile as $v){
$ext = strtolower(substr(strrchr(basename($v['name']),'.'),1));
if(!in_array($ext,$this-ext)){
$this-info['error'] = '上传文件类型非法,禁止上传!!!';
return FALSE;
}
}
return TRUE;
}
/*
* 检测上传文件大小
*/
private function checkSize(){
foreach($this-uploadFile as $v){
if($v['size']$this-size){
$this-info['error'] = '上传文件体积过大,上传失败!!!';
return FALSE;
}
}
return TRUE;
}
/*
* 检测文件上传错误代码
*/
private function checkError(){
foreach($this-uploadFile as $v){
switch($v['error']){
case 0:
return TRUE;
break;
case 1:
$this-info['error'] = '上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值,上传失败!!!';
return FALSE;
break;
case 2:
$this-info['error'] = '上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值,上传失败!!!';
return FALSE;
break;
case 3:
$this-info['error'] = '文件只有部分被上传!!!';
return FALSE;
break;
case 4:
$this-info['error'] = '没有文件上传!!!';
return FALSE;
break;
}
}
return TRUE;
}
/*
* 检测上传文件夹是否存在
*/
private function checkDir(){
if(!file_exists($this-uploadDir)){
mkdir($this-uploadDir,0777,true);
}
if(!is_writeable($this-uploadDir)){
$this-info['error'] = '上传目录没有写入权限,上传失败!!!';
return FALSE;
}
return TRUE;
}
/*
* 上传文件
*/
private function upload(){
date_default_timezone_set('PRC');
//检测文件是否自定义名称
$name = empty($this-newName)?date('Ymd_His'):$this-newName;
foreach($this-uploadFile as $k=$v){
$upload_path = $this-uploadDir.$name.'_'.($k+1).strrchr(basename($v['name']),'.');
$upload_path = iconv('UTF-8','gbk',$upload_path);
if(is_uploaded_file($v['tmp_name'])){
if(move_uploaded_file($v['tmp_name'], $upload_path)){
if($this-isRead $this-isWrite){
chmod($upload_path,0777);
}else if($this-isRead !$this-isWrite){
chmod($upload_path,0444);
}else if(!$this-isRead $this-isWrite){
chmod($upload_path,0222);
}else{
chmod($upload_path,0000);
}
$this-info['msg']=array('type'=1,'success'='文件上传成功','path'=iconv('gbk','UTF-8',$upload_path));
}else{
$this-info['error'] = '文件上传失败!!!';
return FALSE;
}
}
}
return TRUE;
}
/*
* 上传成功的方法
*/
public function success(){
echo $this-info['msg']['success'];
}
/*
* 上传文件错误方法
*/
public function error(){
echo $this-info['error'];
die;
}
这是我写的PHP类,你可以参考一下。有什么特殊需要的,你可以告诉我一下,完善一下上传类。
php上传文件为什么要使用move
上传文件默认存储在临时目录,临时目录的文件是不能长久保存的,因此必须移动到确定的目录以长久保存上传的文件。
PHP上传文件move_uploaded_file()函数路径问题
两张路径肯定是不同的
第一个路径,无论php文件在什么地方,都是指向那个路径目录
而第二个就不一定了,得看php文件在哪里!
第二种,如果指向的目录不存在,那当然上传就不会成功!