[Li Jingshan php] every day tp5-20170105|thinkphp5-file.php-2

    /**     *  Detect upload Files      * @ param  array    $rule      Validation rules      *  @return  bool     */    public function check ($rule  = [])     {//  detection   upload   file           $rule  =  $rule  ?:  $this->validate;// rule  rules   get          /*  Check File size  */        if  ( Isset ($rule [' size '])  && ! $this->checksize ($rule [' size '])  {//  file size               $this->error =  ' upload file size does not match! ';            return false;         }         /*  Check file MIME type  */         if  (Isset ($rule [' type '])  && ! $this->checkmime ($rule [' type '])  {//   File Types              $this->error =  ' Upload file MIME type not allowed! ';            return false;         }        /*  Check file suffix  */         if  (Isset ($rule [' ext ')]  && ! $this Checkext ($rule [' ext ')])  {//  file suffix               $this->error =  ' upload file suffix not allowed ';             return false;        }         /*  Check image file  */        if  (! $this->checkimg ()) {  //  whether it's a picture              $this->error  =  ' Illegal image file! ';            return false;         }        return true;     }    /**     *  detect upload file suffix       *  @param   array|string    $ext      allow suffix       *  @return  bool     */    public  Function checkext ($ext)     {        if  ( Is_string ($ext))  {             $ext  =  eXplode (', ',  $ext);//  get license file   suffix         }          $extension  = strtolower (PathInfo ($this->getinfo (' name '),  pathinfo_extension);        if  (!in_array ($extension,   $ext))  {//  determine the existence of   license within the scope of              return false;        }         return true;    }    /**      *  Detecting image files      *  @return  bool     */     public function checkimg ()//  picture detection     {          $extension  = strtolower (PathInfo ($this->getinfo (' name '),  pathinfo_extension));   &Nbsp;     /*  Strict detection of image files  */         if  (In_array ($extension,  [' gif ',  ' jpg ',  ' jpeg ',  ' BMP ',  ' png ',  ' swf '))   && !in_array ($this->getimagetype ($this->filename),  [1, 2, 3, 4, 6] ))  {            return false;         }        return true;     }    //  Judging Image Type     protected function  getimagetype ($image)//  picture type detection     {         if  (function_exists (' Exif_imagetype '))  {             return exif_imagetype ($image);        }  else {             $info  = getimagesize ($image);             return  $info [2];         }    }    /**      *  detect upload file size      *  @param   integer    $size      Maximum size      *  @return  bool      */    public function checksize ($size)     {         if  ($this->getsize ()  >  $size)  {//  File Size             return false;         }        return true;     }    /**     *  detecting upload file types      *  @param   array| string    $mime      allowed types      *  @return   Bool     */    public function checkmime ($mime)      {        if  (is_string ($mime))  {              $mime  = explode (', ',  $mime);         }        if  (!in_ Array (Strtolower ($this->getmime ()),  $mime))  {//  file type   License              return false;        }         return true;    }     /**     *  moving files      *  @param   string             $path      Save path      *   @param   string|bool       $savename      saved filenames   Default auto-Generate      *  @param   boolean            $replace   Overwrite files with same name      *  @return  false| Splfileinfo false-failed   returned Splfileinfo instance      */    public  function move ($path,  $savename  = true,  $replace  = true)      {//  Save   Path   Error name         //  file upload failed, catch fault code         if  (!empty ($this->info[' error '))  {//  capture   Error message Code              $this->error ($this->info[' error ');             return false;         }        //  detection Legality          if  (! $this->isvalid ())  {//  legitimacy               $this->error =  ' illegally uploading files ';             return false;        }         //  Verification uploads         if  (!$ This->check ())  {//  verification upload              return false;        }          $path  = rtRim ($path,  ds)  . DS;//  delete   right   delimiter            File Save naming rules          $saveName  =  $this->buildsavename ( $savename);//  get   saved file name          $filename  =  $path  .  $saveName;//  generate file name         //  detect directory          if  (false ===  $this->checkpath (dirname ($filename)))  {//  Inspection   Catalogue             return  false;        }        /*   Do not overwrite files with the same name  */        if  (! $replace  &&  Is_file ($filename))  {//  file with the same name   overwrite               $this->ERROR&Nbsp;=  ' exists file of the same name '  .  $filename;             return false;        }         /*  Mobile Files  */        if  ($this->istest)  {            rename ($this->filename,   $filename);//  moving files         } elseif  (!move_ Uploaded_file ($this->filename,  $filename))  {//  normal upload file               $this->error =  ' File Upload Save error! ';            return false;         }        //  returning  file Object instances           $file  = new Self ($filename);//  after a series of error   processing          $file Setsavename ($saveName);//  settings   error files          $file Setuploadinfo ($this->info);//  save   Info   to   information          return  $file;//  return   instantiation   handle     }    /**      *  get save file name      *  @param   string|bool     $savename      saved file name   Default auto-Generate      *  @return  string     */    protected function buildsavename ($savename)     {        if  (true ===   $savename)  {            //  automatically generate file names             if  ($this->rule instanceof \closure)  {                  $savename  = call_user_ Func_array ($this->rule, [$this]);//  get   file name              } else {                 switch  ($this->rule)  {                     case  ' MD5 ':                           $md 5      = md5_file ($this->filename);                           $savename  = substr ($md 5, 0, 2)  . ds . substr ($md 5, 2);//  File name of md5  mode                          break;                     case  ' SHA1 ':                           $sha 1     = sha1_file ($this->filename);                           $savename  = substr ($sha 1, 0, 2)  . ds . substr ($sha 1,  2);// sha1  mode file name                          break;                     case  ' Date ':                         $ Savename = date (' Ymd ')  . ds . md5 (Microtime (True));//  date mode   file name                           break;                     default:                          $savename  =  call_user_func ($this->rule);//  call rule function   generate file name                  }            }         } elseif  (" ===  $savename)  {              $savename  =  $this->getinfo (' name ');//  Empty         }        if  (! Strpos ($savename,  '. '))  {             $savename  .=  '. '  . pathinfo ($this->getinfo (' name '),  pathinfo_extension);//  has its own specified file name          }        return  $savename;     }    /**     *  get error code information       *  @param  int  $errorNo    Error number      */     private function error ($errorNo)//  error message translation     {         switch  ($errorNo)  {             case 1:             case 2:                  $this->error =  ' upload file size exceeds the maximum value! ';                break;             case 3:                  $this->error =  ' files are only partially uploaded! ';                break;             case 4:                 $this->error =   ' no files were uploaded! ';                break;             case 6:                  $this->error =  ' can't find the Temp folder! ';                break;             case 7:                  $this->error =  ' file failed to write! ';                break;             default:                  $this->error =  ' unknown upload error! ';        }    }    /**      *  get error messages      *  @return  mixed      */    public function geterror ()//  return error message      {        return  $this->error;    }}

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[Li Jingshan php] every day tp5-20170105|thinkphp5-file.php-2