PHP design super easy to use File upload processing class one (PNS), _php tutorial

Source: Internet
Author: User

PHP Design Super Useful file upload processing class One (37),


 PhpclassFileUpload {Private$filepath;//specify the path where the upload file is saved        Private$allowtype =array ('gif','jpg','PNG','JPEG');//the type of file that is allowed to upload        Private$maxsize =1000000;//maximum length of uploaded file 1M        Private$israndname =true;//whether to randomly rename, true false not random, use the original file name        Private$originName;//source file name        Private$tmpFileName;//Temporary file name        Private$fileType;//File Type        Private$fileSize;//File Size        Private$newFileName;//New file name        Private$errorNum =0;//Error Number        Private$errorMess ="";//used to provide error reporting//used to initially enable uploading of files//1. Specify the upload path, 2, allowable type, 3, limit size, 4, whether to use random file name//so that the user can not pass the parameters by location, the following parameter to the value does not have the first several parameters also provide valuesfunction __construct ($options =Array ()) {            foreach($options as$key =$val) {$key=Strtolower ($key); //See if the index of the array in the user parameter is the same as the member property name                if(!in_array ($key, Get_class_vars (Get_class ($ This)))){                    Continue; }                $ This-setOption ($key, $val); }                         }            Privatefunction GetError () {$str="error uploading file {$this->originname}:"; Switch($ This-errornum) {                 Case 4: $str. ="no files were uploaded"; Break;  Case 3: $str. ="files are only partially uploaded"; Break;  Case 2: $str. ="The uploaded file exceeds the value specified by the MAX_FILE_SIZE option in the HTML form"; Break;  Case 1: $str. ="the upload file exceeds the value of the upload_max_filesize option in PHP.ini"; Break;  Case-1: $str. ="type of final charge"; Break;  Case-2: $str. ="file is too large, upload file cannot exceed {$this->maxsize} bytes"; Break;  Case-3: $str. ="Upload failed"; Break;  Case-4: $str. ="failed to set up directory to upload files, please re-specify upload directory"; Break;  Case-5: $str. ="You must specify the path of the upload file"; Break; default: $str. ="Last known error"; }            return$str.'
'; } //used to check file upload path Privatefunction Checkfilepath () {if(Empty ($ This-filepath)) { $ This->setoption ('ErrorNum', -5); return false; } if(!file_exists ($ This->filepath) | | !is_writable ($ This-filepath)) { if(! @mkdir ($ This->filepath,0755)){ $ This->setoption ('ErrorNum', -4); return false; } } return true; } //to check the size of the file upload Privatefunction Checkfilesize () {if($ This->filesize > $ This-maxsize) { $ This->setoption ('ErrorNum','-2'); return false; }Else{ return true; } } //used to check file upload type Privatefunction Checkfiletype () {if(In_array (Strtolower ($ This->filetype), $ This-Allowtype)) { return true; }Else{ $ This->setoption ('ErrorNum', -1); return false; } } //set the file name after uploading Privatefunction Setnewfilename () {if($ This-israndname) { $ This->setoption ('NewFileName', $ This-prorandname ()); } Else { $ This->setoption ('NewFileName', $ This-originname); } } //set random file names Privatefunction Prorandname () {$fileName=date ("Ymdhis"). Rand ( -,999); return$fileName.'.'.$ This-FileType; } Privatefunction SetOption ($key, $val) {$ This$key =$val; } //used to upload a filefunction UploadFile ($fileField) {$return=true; //Check File upload path if(!$ This-Checkfilepath ()) { $ This->errormess=$ This-GetError (); return false; } $name=$_files[$fileField] ['name']; $tmp _name=$_files[$fileField] ['Tmp_name']; $size=$_files[$fileField] ['size']; $error=$_files[$fileField] ['Error']; if(Is_array ($name)) {$errors=Array (); for($i =0; $i ){ if($ This- setfiles ($name [$i], $tmp _name[$i], $size [$i], $error [$i]) { if(!$ This->checkfilesize () | | !$ This- Checkfiletype ()) {$errors []=$ This- GetError (); $ return= false ; } } Else {$error []=$ This- GetError (); $ return= false ; } if(!$ return ) $ This- Setfiles (); } if($ return ) {$fileNames= Array (); for($i = 0; $i ){ if($ This- setfiles ($name [$i], $tmp _name[$i], $size [$i], $error [$i]) { $ This- Setnewfilename (); if(!$ This- CopyFile ()) {$errors=$ This- GetError (); $ return= false ; } Else {$fileNames []=$ This- NewFileName; } } } $ This->newfilename= $fileNames; } $ This->errormess= $errors; return$ return ; } Else { if($ This- setfiles ($name, $tmp _name, $size, $error)) { if($ This->checkfilesize () && $ This- Checkfiletype ()) { $ This- Setnewfilename (); if($ This- CopyFile ()) { return true ; } Else { $ return= false ; } } Else { $ return= false ; } } Else { $ return= false ; } if(!$ return ) $ This->errormess=$ This- GetError (); return$ return ; } } Private function CopyFile () { if(!$ This- errornum) {$filepath=rtrim ($ This->filepath, ' / '). ' / ' ; $filepath.=$ This- NewFileName; if(@move_uploaded_file ($ This- Tmpfilename, $filepath)) { return true ; } Else { $ This->setoption ( ' ErrorNum ', - 3 ); return false ; } } Else { return false ; } } // setting up and $_files related content Privatefunction Setfiles ($name = "", $tmp _name= '', $size = 0, $error = 0 ){ $ This->setoption ( ' ErrorNum ' , $error); if ($error) { return false ; } $ This->setoption ( ' Originname ' , $name); $ This->setoption ( ' Tmpfilename ' , $tmp _name); $arrStr=explode ( ' . ' , $name); $ This->setoption ( ' FileType ', Strtolower ($arrStr [Count ($ARRSTR)- 1 ])); $ This->setoption ( ' fileSize ' , $size); return true ; } // used to get the file name after uploading function Getnewfilename () { return$ This- NewFileName; } // If the upload fails, call this method to view the error report function geterrormsg () { return$ This- errormess; } }

http://www.bkjia.com/PHPjc/1008857.html www.bkjia.com true http://www.bkjia.com/PHPjc/1008857.html techarticle PHP Design super easy to use File upload processing class one (PNS), PHP class FileUpload {private $filepath;//Specify the path to save the upload file private $allowtype =array (' gif ' , '...

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