PHP implementation file download with multi-file upload

PHP for file download and multi-file upload

File Download:

Html:

    Download 1.rar    
    Download 1.jpg 
 
      
    Download 1.jpg via program    
    Download nv.jpg

PHP Processing:

 
File Upload:
HTML code:
    

PHP Code:
common.func.php
  
upload.func1.php
   $val) {$files [$i] [' name ']= $file [' name '] [$key]; $files [$i] [' type ']= $file [' type '] [$key]; $files [$i] [' Tmp_name ']=$ file[' Tmp_name ' [$key]; $files [$i] [' ERROR ']= $file [' Error '] [$key]; $files [$i] [' Size ']= $file [' Size '] [$key]; $i + +;}}} return $files;} /** * For single-file, multiple single-file, multiple-file uploads * @param array $fileInfo * @param string $path * @param string $flag * @param number $maxSize * @param array $allowExt * @return string */function uploadfile ($fileInfo, $path = './uploads ', $flag =true, $maxSize =1048576 , $allowExt =array (' jpeg ', ' jpg ', ' png ', ' gif ')) {//$flag =true;//$allowExt =array (' jpeg ', ' jpg ', ' gif ', ' png ');//$ maxsize=1048576;//1m//Judgment Error number if ($fileInfo [' Error ']===upload_err_ok) {//Detect upload to get small if ($fileInfo [' Size ']> $maxSize) {$ res[' mes ']= $fileInfo [' name ']. ' Upload file too large ';} $ext =getext ($fileInfo [' name ']);//detects the file type of the uploaded file if (!in_array ($ext, $allowExt)) {$res [' mes ']= $fileInfo [' name ']. ' illegal file type ';} Detects if the picture type is true if ($flag) {if (!getimagesize ($fileInfo [' tmp_name ')]) {$res [' mes ']= $fileInfo [' name ']. ' Not a real picture type ';}} Detects if the file is uploaded via HTTP post (!is_uploaded_file ($fileInfo[' Tmp_name ') {$res [' mes ']= $fileInfo [' name ']. ' The file is not uploaded via HTTP post; if ($res) return $res;//$path = './uploads '; if (!file_exists ($path)) {mkdir ($path, 0777,true); chmod ($path, 0777);} $uniName =getuniname (); $destination = $path. ' /'. $uniName. '. $ext, if (!move_uploaded_file ($fileInfo [' Tmp_name '], $destination) {$res [' mes ']= $fileInfo [' name ']. File move failed ';} $res [' mes ']= $fileInfo [' name ']. ' Upload success '; $res [' Dest ']= $destination; return $res;} else{//Match error message switch ($fileInfo [' ERROR ']) {Case 1: $res [' mes '] = ' upload file exceeds the value of upload_max_filesize option in PHP config file '; Break;case 2 : $res [' mes '] = ' exceeds the size of the form max_file_size limit '; Break;case 3: $res [' mes '] = ' file part is uploaded '; break;case 4: $res [' mes '] = ' no option to upload file '; Break;case 6: $res [' mes '] = ' No temporary directory found '; break;case 7:case 8: $res [' mes '] = ' system error '; return $res;}}

doaction5.php
 
    '; $uploadFiles []= $res [' dest '];} $uploadFiles =array_values (Array_filter ($uploadFiles));p Rint_r ($uploadFiles);

The above is implemented by the function, the download package becomes the class:
Html:

upload.class.php
   Filename= $fileName, $this->maxsize= $maxSize, $this->allowmime= $allowMime; $this->allowext= $allowExt; $ This->uploadpath= $uploadPath, $this->imgflag= $imgFlag $this->fileinfo=$_files[$this->filename];} /** * Detect error Uploading File * @return Boolean */protected function CheckError () {if (!is_null ($this->fileinfo)) {if ($this, fileinfo[' ERROR ']>0) {switch ($this->fileinfo[' error ') {Case 1: $this->error= ' exceeded the PHP config file upload_max_ The value of the FileSize option '; Break;case 2: $this->error= ' exceeds the value max_file_size set in the form '; Break;case 3: $this->error= ' file is partially uploaded '; Break;case 4: $this->error= ' no option to upload files '; Break;case 6: $this->error= ' no temporary directory found '; Break;case 7: $this->error= ' File not writable '; Break;case 8: $this->error= ' due to PHP extension interrupt file Upload '; return false;} Else{return true;}} else{$this->error= ' file error '; return false;}} /** * Detects the size of the uploaded file * @return boolean */protected function Checksize () {if ($this->fileinfo[' size ']> $this->maxsize) {$this->error= ' upload file too large '; return false;} return true;} /** * Detect Extension * @return Boolean */protected function Checkext () {$this->ext=strtolower (pathinfo ($this->fileinfo[' name '],pathinfo_extension)); In_array ($this->ext, $this->allowext)) {$this->error= ' disallowed extension '; return false;} return true;} /** * Detection File Type * @return Boolean */protected function Checkmime () {if (!in_array ($this->fileinfo[' type '], $this- Allowmime) {$this->error= ' disallowed file type '; return false;} return true;} /** * Detects if the image is real * @return Boolean */protected function checktrueimg () {if ($this->imgflag) {if ([email protected] ( $this->fileinfo[' Tmp_name ')) {$this->error= ' is not a real picture '; return false;} return true;}} /** * detects if an HTTP post is uploaded to the * @return Boolean */protected function Checkhttppost () {if (!is_uploaded_file ($this- fileinfo[' Tmp_name ') {$this->error= ' file is not uploaded via HTTP post '; return false;} return true;} /** * Display Error */protected function ShowError () {exit (''. $this->error. '');} /** * Detection directory does not exist create */protected function Checkuploadpath () {if (!file_exists ($this->uploadpath)) {mkdir ($this, uploadpath,0777,true);}} /** * Generates a unique string * @return string */protected function Getuniname () {return MD5 (Uniqid (Microtime (True), true));} /** * Upload file * @return string */public function UploadFile () {if ($this->checkerror () && $this->checksize () && $this->checkext () && $this->checkmime () && $this->checktrueimg () &&$ This->checkhttppost ()) {$this->checkuploadpath (); $this->uniname= $this->getuniname (); $this destination= $this->uploadpath. ' /'. $this->uniname. '. $this->ext;if (@move_uploaded_file ($this->fileinfo[' tmp_name '), $this->destination) {return $this Destination;} else{$this->error= ' file move failed '; $this->showerror ();}} else{$this->showerror ();}}}

doaction6.php
 
    UploadFile (); Echo $dest;


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