//Receive
$username=$_POST['username'];
$fileintro=$_POST['fileintro'];
//echo $username.$fileintro;
//Get file information
/* echo "
";<br> print_r($_FILES);<br> echo "
" ;
*/
//Get the size of the file
$file_size=$_FILES['myfile']['size'];
if($file_size>2*1024*1024){
echo "";
exit();
}
// Get the file type
$file_type=$_FILES['myfile']['type'];
if($file_type!="image/jpeg" && $file_type!="image/pjpeg"){
echo "The file type can only be jpg format";
exit();
}
//Determine whether the upload is OK
if(is_uploaded_file($_FILES['myfile'][ 'tmp_name'])) {
// The uploaded files are transferred to the directory you want
$ upload_file = $ _ files ['myfile'] ['tmp_name'];
// To prevent image overwriting problems, create a folder for each user {
mkdir ($user_path); Problems with the same user name
$file_true_name=$_FILES['myfile']['name'];
$move_to_file=$user_path."/".time().rand(1,1000).substr( $file_true_name,strripos($file_true_name,"."));
//echo $upload_file.$move_to_file;
//Chinese to be transcoded
if(move_uploaded_file($upload_file,iconv("utf- 8 "," gb2312 "," $ move_to_file "))) {
echo $ _files ['myfile'] ['name']. ";
}
}else{
echo "Upload failed";
}
?>
3. Encapsulation:
Copy code The code is as follows:
class Upload{
public $upload_name; //上传文件名
public $upload_tmp_path; //上传文件保存到服务器的temp路径
public $file_size;
public $file_type;
public $file_save_path;
function __construct(){
$this->upload_name=$_FILES['myfile']['name'];
$this->upload_tmp_path=$_FILES['myfile']['tmp_name'];
$this->file_size=$_FILES['myfile']['size'];
$this->file_type=$_FILES['myfile']['type'];
$this->allow_file_type = array('jpeg','jpg','png','gif','bmp','doc','zip','rar','txt','wps','xlsx','ppt');
$this->file_save_path=$_SERVER['DOCUMENT_ROOT']."/file/up/";
}
public function upload_file($username){
//判断文件大小
if($this->file_size>2*1024*1024){
echo "";
exit();
}
//获取文件类型
/* if($this->file_type!="image/jpeg" && $this->file_type!="image/pjpeg"){
echo "文件类型只能是 jpg 格式";
exit();
}
*/ //获取文件的扩展名
$file_type=$this->getFileExt($this->upload_name);
if(!in_array($file_type,$this->allow_file_type)){
echo "上传文件类型格式错误";
exit();
}
//判断上传是否OK
if(is_uploaded_file($this->upload_tmp_path)){
//防止图片覆盖问题，为每个用户建立一个文件夹
$user_path=$this->file_save_path.$username;
if(!file_exists($user_path)){
mkdir ($user_path);
}
//$move_to_file=$user_path."/".$_FILES['myfile']['name']; _FILES['myfile']['name'];
$move_to_file=$user_path."/".time().rand(1,1000).substr($this->upload_name,strripos($this- >upload_name,"."));
//echo $upload_file.$move_to_file;
//Chinese to be transcoded
if(move_uploaded_file($this->upload_t mp_path,iconv("utf- 8","gb2312","$move_to_file"))){
Failed";
} Else {
Echo "upload failed";
}
}
// Get the expansion of the file
Public Function GetFileext ($ FILENAME) {
$fileExt=pathinfo($filename);
return $fileExt["extension"];
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TechArticlePHP file upload 1. upload.php Copy the code as follows: !DOCTYPE HTML PUBLIC "-//W3C// DTD HTML 4.01 Transitional//EN" html head titleddd/title meta http-equiv="content-type" conte...
