文件上传之SWFUpload插件(代码)
发布:smiling 来源: PHP粉丝网 添加日期:2021-06-14 23:25:01 浏览: 评论:0
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
- <!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>SWFUpload</title>
- <link href="css/default.css" rel="stylesheet" type="text/css" />
- <!--Swfupload插件begin-->
- <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>
- <!--Swfupload插件end-->
- <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" : "<?php echo session_id(); ?>"},
- 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: '<span class="theFont">浏览</span>',
- 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="/">SWFUpload</a></h1>
- <div id="version">v2.2.0</div>
- </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"]);
- } else if (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 " . $upload_name);
- exit(0);
- } else if (isset($_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;
- }
- ?>
以上代码就是实现文件上传之SwFUpload插件的全部内容,希望大家喜欢。
Tags: SWFUpload
推荐文章
热门文章
最新评论文章
- 写给考虑创业的年轻程序员(10)
- PHP新手上路(一)(7)
- 惹恼程序员的十件事(5)
- PHP邮件发送例子,已测试成功(5)
- 致初学者:PHP比ASP优秀的七个理由(4)
- PHP会被淘汰吗?(4)
- PHP新手上路(四)(4)
- 如何去学习PHP?(2)
- 简单入门级php分页代码(2)
- php中邮箱email 电话等格式的验证(2)