时间：2021-07-01 10:21:17 帮助过：14人阅读
1.前台文件index.html
DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><meta http-equiv="Content-Type" content="text/html; charset=gb2312"/><head><title>SWFUploadtitle><link href="css/default.css" rel="stylesheet" type="text/css"/><script type="text/javascript" src="swfupload/swfupload.js">script><script type="text/javascript" src="js/swfupload.queue.js">script><script type="text/javascript" src="js/fileprogress.js">script><script type="text/javascript" src="js/handlers.js">script><script type="text/javascript">var swfu;
window.onload =function() {
var settings = {
flash_url : "swfupload/swfupload.swf",
upload_url: "upload.php", // 后台文件 post_params: {"PHPSESSID" : ""},
file_size_limit : "100 MB",
file_types : "*.*",
file_types_description : "All Files",
file_upload_limit : 100,
file_queue_limit : 0,
custom_settings : {
progressTarget : "fsUploadProgress",
cancelButtonId : "btnCancel" },
debug: false,
// 按钮设置 button_image_url: "images/TestImageNoText_65x29.png", // Flash样式图片文件 button_width: "65",
button_height: "29",
button_placeholder_id: "spanButtonPlaceHolder",
button_text: '浏览',
button_text_style: ".theFont { font-size: 16; }",
button_text_left_padding: 12,
button_text_top_padding: 3,
// 句柄设置 file_queued_handler : fileQueued,
file_queue_error_handler : fileQueueError,
file_dialog_complete_handler : fileDialogComplete,
upload_start_handler : uploadStart,
upload_progress_handler : uploadProgress,
upload_error_handler : uploadError,
upload_success_handler : uploadSuccess,
upload_complete_handler : uploadComplete,
queue_complete_handler : queueComplete
};
swfu =new SWFUpload(settings);
};
script>head><body><div id="header"><h1 id="logo"><a href="/">SWFUploada>h1><div id="version">v2.2.0div>div><div id="content"><form id="form1" action="index.php" method="post" enctype="multipart/form-data"><p>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。p><p>请勿上传包含中文文件名的文件！p><div class="fieldset flash" id="fsUploadProgress"><span class="legend">快速上传span>div><div id="divStatus">0 个文件已上传div><div><span id="spanButtonPlaceHolder">span><input id="btnCancel" type="button" value="取消所有上传" onclick="swfu.cancelQueue();" disabled="disabled" style="margin-left: 2px; font-size: 8pt; height: 29px;"/>div>form>div><div align="center">Hanization By <a href="http://imll.net" target="_blank">Leo.C,a>div>body>html>
2.后台文件upload.php
php // 传递session值（由于Flash与session不兼容，只能通过参数传递获取）if (isset($_POST["PHPSESSID"])) { session_id($_POST["PHPSESSID"]); } elseif (isset($_GET["PHPSESSID"])) { session_id($_GET["PHPSESSID"]); } session_start(); // 设置POST最大值$POST_MAX_SIZE = ini_get('post_max_size'); $unit = strtoupper(substr($POST_MAX_SIZE, -1)); $multiplier = ($unit == 'M' ? 1048576 : ($unit == 'K' ? 1024 : ($unit == 'G' ? 1073741824 : 1))); if ((int)$_SERVER['CONTENT_LENGTH'] > $multiplier*(int)$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 " . $upload_name); exit(0); } elseif (isset($_FILES[$upload_name]["error"]) && $_FILES[$upload_name]["error"] != 0) { HandleError($uploadErrors[$_FILES[$upload_name]["error"]]); exit(0); } elseif (!isset($_FILES[$upload_name]["tmp_name"]) || !@is_uploaded_file($_FILES[$upload_name]["tmp_name"])) { HandleError("Upload failed is_uploaded_file test."); exit(0); } elseif (!isset($_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_whitelistas$extension) { if (strcasecmp($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);
以上就介绍了使用SWFUpload插件上传文件，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。