Code for uploading files using the SWFUpload plug-in

不言
Release: 2023-03-31 22:16:02
Original
1555 people have browsed it

这篇文章主要介绍了文件上传之SWFUpload插件(代码),实现此代码主要分为两部分:1.前台文件index.html和 2.后台文件upload.php,需要的朋友可以参考下

下面通过一段代码给大家演示下,主要分为1.前台文件index.html和 2.后台文件upload.php。具体代码如下所示:

1.前台文件index.html     SWFUpload         

SWFUpload

v2.2.0

点击“浏览”按钮,选择您要上传的文档文件后,系统将自动上传并在完成后提示您。

请勿上传包含中文文件名的文件!

快速上传

0 个文件已上传

Hanization By Leo.C,

Copy after login

2.后台文件upload.php

 $multiplier*(int)$POST_MAX_SIZE && $POST_MAX_SIZE) { header("HTTP/1.1 500 Internal Server Error"); echo "POST exceeded maximum allowed size."; exit(0); } // 基本设置 $save_path = getcwd() . "/file/";             // 文件上传位置 $upload_name = "Filedata"; $max_file_size_in_bytes = 2147483647;          // 2GB $extension_whitelist = array("doc", "txt", "jpg", "gif", "png"); // 允许文件类型 $valid_chars_regex = '.A-Z0-9_ !@#$%^&()+={}\[\]\',~`-'; // 文件名规则 // 其他变量 $MAX_FILENAME_LENGTH = 260; $file_name = ""; $file_extension = ""; $uploadErrors = array( 0=>"文件上传成功", 1=>"上传的文件超过了 php.ini 文件中的 upload_max_filesize directive 里的设置", 2=>"上传的文件超过了 HTML form 文件中的 MAX_FILE_SIZE directive 里的设置", 3=>"上传的文件仅为部分文件", 4=>"没有文件上传", 6=>"缺少临时文件夹" ); // 检测文件是否上传正确 if (!isset($_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); } // 检测文件尺寸 $file_size = @filesize($_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); } // 检测文件名字为空 $file_name = preg_replace('/[^'.$valid_chars_regex.']|\.+$/i', "", basename($_FILES[$upload_name]['name'])); if (strlen($file_name) == 0 || strlen($file_name) > $MAX_FILENAME_LENGTH) { HandleError("Invalid file name"); exit(0); } // 检测重名文件 if (file_exists($save_path . $file_name)) { HandleError("File with this name already exists"); exit(0); } // 检测后缀名 $path_info = pathinfo($_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); } // 保存文件 if (!@move_uploaded_file($_FILES[$upload_name]["tmp_name"], $save_path.$file_name)) { HandleError("文件无法保存."); exit(0); } // 成功输出 echo "File Received"; exit(0); function HandleError($message) { header("HTTP/1.1 500 Internal Server Error"); echo $message; } ?>
Copy after login

以上就是本文的全部内容,希望对大家的学习有所帮助,更多相关内容请关注PHP中文网!

相关推荐:

关于Laravel5中Cookie的使用

The above is the detailed content of Code for uploading files using the SWFUpload plug-in. For more information, please follow other related articles on the PHP Chinese website!

source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!