File Upload swfupload plugin (code), File upload swfupload_php tutorial

File Upload swfupload plugin (code), file upload swfupload

Below through a piece of code to show you, mainly divided into 1. foreground files index.html and 2. background file upload.php. The specific code looks like this:

1. Front Desk file index.html 
 
  SWFUpload
 
  
 
  
 
  
SWFUpload
v2.2.0  hanization by LEO.C,

2. background file upload.php

 <?php//Pass Session value (due to flash is incompatible with session, can only be obtained by parameter pass) if (Isset ($_post["PHPSESSID"])) {session_id ($_post["Phpsessid "]); }  else if (Isset ($_get["Phpsessid")) {session_id ($_get["PHPSESSID"]);} Session_Start (); Set POST maximum value $POST _max_size = Ini_get (' post_max_size '); $unit = Strtoupper (substr ($POST _max_size,-1));  $multiplier = ($unit = = ' M '? 1048576: ($unit = = ' K '? 1024x768: ($unit = = ' G '? 1,073,741,824:1))); if ((int) $_server[' content_length ' > $multiplier * (int) $POST _max_size && $POST _max_size) {header ("http/  1.1 Internal Server Error ");  echo "POST exceeded maximum allowed size."; Exit (0); }//Basic settings $save _path = GETCWD ().    　　　　　　　　　　　　"/file/"; File Upload location $upload _name = "Filedata";    　　　　　　　　　$max _file_size_in_bytes = 2147483647; 2GB $extension _whitelist = Array ("Doc", "txt", "jpg", "gif", "PNG"); Allow file type $valid _chars_regex = '.   A-z0-9_!@#$%^& () +={}\[\]\ ', ~ '-'; File name rule//other variable $MAX _filename_length = 260; $file _name = ""; $file _extension = ""; $uploaderrors = Array (0=> "file upload succeeded", 1=> "uploaded file exceeded upload_max_filesize directive settings in php.ini file", 2=> "uploaded file exceeded HTML form file in the max_file_size Directive settings ", 3=>" uploaded files only part of the file ", 4=>" no file Upload ", 6=>" Missing temporary folder "); Detects if the file is uploaded correctly if (!isset ($_files[$upload _name])) {HandleError ("No upload found in \$_files for".  $upload _name); Exit (0); } else if (Isset ($_files[$upload _name]["error"]) && $_files[$upload _name]["Error"]! = 0) {HandleError ($  uploaderrors[$_files[$upload _name]["error"]); Exit (0);  } else if (!isset ($_files[$upload _name]["Tmp_name"]) | |! @is_uploaded_file ($_files[$upload _name]["Tmp_name"])) {  HandleError ("Upload failed is_uploaded_file test."); Exit (0);  } else if (!isset ($_files[$upload _name][' name ')) {HandleError ("File has no name."); Exit (0); }//Detect file size $file _size = @filesize ($_files[$upload _name]["Tmp_name"]);  if (! $file _size | | $file _size > $max _file_size_in_bytes) {HandleError ("file exceeds the maximum allowed size"); Exit (0); } if ($file _size <= 0)  {HandleError ("File size outside allowed lower bound"); Exit (0); }//Detection file name is empty $file _name = preg_replace ('/[^ '. $valid _chars_regex. ']| \.+$/i ', "", BaseName ($_files[$upload _name][' name '));  if (strlen ($file _name) = = 0 | | strlen ($file _name) > $MAX _filename_length) {HandleError ("Invalid file name"); Exit (0);  }//Detect duplicate name file if (file_exists ($save _path. $file _name)) {HandleError ("file with this name already exists"); Exit (0); }//detection suffix $path _info = pathinfo ($_files[$upload _name][' name ']); $file _extension = $path _info["extension"]; $is _valid_extension = false; foreach ($extension _whitelist as $extension) {if (strcasecmp ($file _extension, $extension) = = 0) {$is _valid_extension   = true;  Break  }} if (! $is _valid_extension) {HandleError ("Invalid file extension"); Exit (0);  }//Save file if (! @move_uploaded_file ($_files[$upload _name]["Tmp_name"], $save _path. $file _name)) {HandleError ("file cannot be saved."); Exit (0); }//Successfully output echo "File Received"; Exit (0); function HandlEerror ($message) {header ("http/1.1 Internal Server Error"); echo $message;}? >

The above code is the implementation of the file upload swfupload plug-in all the content, I hope you like.

http://www.bkjia.com/PHPjc/1040816.html www.bkjia.com true http://www.bkjia.com/PHPjc/1040816.html techarticle File Upload swfupload plugin (code), file upload swfupload below through a section of code to show you, mainly divided into 1. foreground files index.html and 2. background file upload.php. ...

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