·您现在的位置： 云翼网络 >> 文章中心 >> 网站建设 >> 网站建设开发 >> php网站开发 >> 使用SWFUpload插件上传文件

【如有意向点此提交需求】关于我们

使用SWFUpload插件上传文件

作者：佚名      php网站开发编辑：admin      更新时间：2022-07-23
使用SWFUpload插件上传文件

演示代码由两部分组成，包括前台文件和后台文件：

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;}?>