php 结合webupload大文件分片上传
摘抄 https://www.cnblogs.com/lhm166/articles/8875533.html
前端html
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset={DT_CHARSET}"/>
<script src="{DT_STATIC}file/script/jquery-1.8.3.min.js"></script>
<script src="{DT_STATIC}file/plugin/webuploader/webuploader.min.js"></script>
<link rel ="slylesheet" type="text/css" href="{DT_STATIC}file/plugin/webuploader/webuploader.css">
</head>
<body class="gray">
<div class="wrap">
<div class="demo">
<div id="uploadfile">
<!--用来存放文件信息-->
<div id="the_2655" class="uploader-list"></div>
<div class="form-group form-inline">
<div id="pick_2655" style="float:left">选择文件</div>
<button id="Btn_2655" class="btn btn-default" style="padding: 5px 10px;border-radius: 3px;">开始上传</button>
</div>
</div>
</div>
</div>
</body>
<script>
//上传文件函数
//ids唯一ID
//folder文件保存目录
function uploadfiles(ids,folder) {
$(function(){
var $list = $("#the_"+ids);
$btn = $("#Btn_"+ids);
var uploader = WebUploader.create({
resize: false, // 不压缩image
swf: '{DT_STATIC}file/plugin/webuploader/Uploader.swf', // swf文件路径
server:'/newupload.php', // 文件接收服务端。
pick: "#pick_"+ids, // 选择文件的按钮。可选
chunked: true, //是否要分片处理大文件上传
chunkSize:5*1024*1024, //分片上传，每片2M，默认是5M
//fileSizeLimit: 6*1024* 1024 * 1024, // 所有文件总大小限制 6G
fileSingleSizeLimit: 10*1024* 1024 * 1024, // 单个文件大小限制 5 G
formData: {
folder:folder //自定义参数
}
//auto: false //选择文件后是否自动上传
// chunkRetry : 2, //如果某个分片由于网络问题出错，允许自动重传次数
//runtimeOrder: 'html5,flash',
// accept: {
// title: 'Images',
// extensions: 'gif,jpg,jpeg,bmp,png',
// mimeTypes: 'image/*'
// }
});
// 当有文件被添加进队列的时候
uploader.on( 'fileQueued', function( file ) { $list.append( '<div id="' + file.id + '" class="item">' + '<h4 class="info">' + file.name + '</h4>' + '<p class="state">等待上传...</p>' + '</div>' ); }); // 文件上传过程中创建进度条实时显示。 uploader.on( 'uploadProgress', function( file, percentage ) { var $li = $( '#'+file.id ), $percent = $li.find('.progress .progress-bar'); // 避免重复创建 if ( !$percent.length ) { $percent = $('<div class="progress progress-striped active">' + '<div class="progress-bar" role="progressbar" style="width: 0%">' + '</div>' + '</div>').appendTo( $li ).find('.progress-bar'); } $li.find('p.state').text('上传中'); $percent.css( 'width', percentage * 100 + '%' ); }); // 文件上传成功 uploader.on( 'uploadSuccess', function( file,response) { $( '#'+file.id ).find('p.state').text('已上传'); $list.append('<input type="hidden" name="'+ids+'" value="'+response.filePath+'" />'); //alert(response.filePath); }); // 文件上传失败，显示上传出错 uploader.on( 'uploadError', function( file ) { $( '#'+file.id ).find('p.state').text('上传出错'); }); // 完成上传完 uploader.on( 'uploadComplete', function( file ) { $( '#'+file.id ).find('.progress').fadeOut(); }); $btn.on('click', function () { if ($(this).hasClass('disabled')) { return false; } uploader.upload(); // if (state === 'ready') { // uploader.upload(); // } else if (state === 'paused') { // uploader.upload(); // } else if (state === 'uploading') { // uploader.stop(); // } }); }); } uploadfiles(2655,"files");</script></html>
php后端
<?php
@set_time_limit(0);
//require 'common.inc.php';
header("Content-Type: text/html; charset=utf-8");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Content-type: text/html; charset=gbk32");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
$folder = $_REQUEST['folder'];
if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
exit; // finish preflight CORS requests here
}
if ( !empty($_REQUEST[ 'debug' ]) ) {
$random = rand(0, intval($_REQUEST[ 'debug' ]) );
if ( $random === 0 ) {
header("HTTP/1.0 500 Internal Server Error");
exit;
}
}
// header("HTTP/1.0 500 Internal Server Error");
// exit;
// 5 minutes execution time
set_time_limit(5 * 60);
// Uncomment this one to fake upload time
usleep(5000);
// Settings
$targetDir = './temp'.DIRECTORY_SEPARATOR.'file_material_tmp'; //存放分片临时目录
if($folder){
$uploadDir = './temp'.DIRECTORY_SEPARATOR.'file_material'.DIRECTORY_SEPARATOR.$folder.DIRECTORY_SEPARATOR.date('Ymd');
}else{
$uploadDir = './temp'.DIRECTORY_SEPARATOR.'file_material'.DIRECTORY_SEPARATOR.date('Ymd'); //分片合并存放目录
}
$cleanupTargetDir = true; // Remove old files
$maxFileAge = 5 * 3600; // Temp file age in seconds
// Create target dir
if (!file_exists($targetDir)) {
mkdir($targetDir,0777,true);
}
// Create target dirif (!file_exists($uploadDir)) { mkdir($uploadDir,0777,true);}// Get a file nameif (isset($_REQUEST["name"])) { $fileName = $_REQUEST["name"];} elseif (!empty($_FILES)) { $fileName = $_FILES["file"]["name"];} else { $fileName = uniqid("file_");}$oldName = $fileName;$fileName = iconv('UTF-8','gb2312',$fileName);$filePath = $targetDir . DIRECTORY_SEPARATOR . $fileName;// $uploadPath = $uploadDir . DIRECTORY_SEPARATOR . $fileName;// Chunking might be enabled$chunk = isset($_REQUEST["chunk"]) ? intval($_REQUEST["chunk"]) : 0;$chunks = isset($_REQUEST["chunks"]) ? intval($_REQUEST["chunks"]) : 1;// Remove old temp filesif ($cleanupTargetDir) { if (!is_dir($targetDir) || !$dir = opendir($targetDir)) { die('{"jsonrpc" : "2.0", "error" : {"code": 100, "message": "Failed to open temp directory111."}, "id" : "id"}'); } while (($file = readdir($dir)) !== false) { $tmpfilePath = $targetDir . DIRECTORY_SEPARATOR . $file; // If temp file is current file proceed to the next if ($tmpfilePath == "{$filePath}_{$chunk}.part" || $tmpfilePath == "{$filePath}_{$chunk}.parttmp") { continue; } // Remove temp file if it is older than the max age and is not the current file if (preg_match('/\.(part|parttmp)$/', $file) && (filemtime($tmpfilePath) < time() - $maxFileAge)) { unlink($tmpfilePath); } } closedir($dir);}// Open temp fileif (!$out = fopen("{$filePath}_{$chunk}.parttmp", "wb")) { die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream222."}, "id" : "id"}');}if (!empty($_FILES)) { if ($_FILES["file"]["error"] || !is_uploaded_file($_FILES["file"]["tmp_name"])) { die('{"jsonrpc" : "2.0", "error" : {"code": 103, "message": "Failed to move uploaded file333."}, "id" : "id"}'); } // Read binary input stream and append it to temp file if (!$in = fopen($_FILES["file"]["tmp_name"], "rb")) { die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream444."}, "id" : "id"}'); }} else { if (!$in = fopen("php://input", "rb")) { die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream555."}, "id" : "id"}'); }}while ($buff = fread($in, 4096)) { fwrite($out, $buff);}fclose($out);fclose($in);rename("{$filePath}_{$chunk}.parttmp", "{$filePath}_{$chunk}.part");$index = 0;$done = true;for( $index = 0; $index < $chunks; $index++ ) { if ( !file_exists("{$filePath}_{$index}.part") ) { $done = false; break; }}if ($done) { $pathInfo = pathinfo($fileName); $hashStr = substr(md5($pathInfo['basename']),8,16); $hashName = time() . $hashStr . '.' .$pathInfo['extension']; $uploadPath = $uploadDir . DIRECTORY_SEPARATOR .$hashName; if (!$out = fopen($uploadPath, "wb")) { die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream666."}, "id" : "id"}'); } //flock($hander,LOCK_EX)文件锁 if ( flock($out, LOCK_EX) ) { for( $index = 0; $index < $chunks; $index++ ) { if (!$in = fopen("{$filePath}_{$index}.part", "rb")) { break; } while ($buff = fread($in, 4096)) { fwrite($out, $buff); } fclose($in); unlink("{$filePath}_{$index}.part"); } flock($out, LOCK_UN); } fclose($out); $response = [ 'success'=>true, 'oldName'=>$oldName, 'filePath'=>$uploadPath,// 'fileSize'=>$data['size'], 'fileSuffixes'=>$pathInfo['extension'], //文件后缀名// 'file_id'=>$data['id'], ]; return json_encode($response);}// Return Success JSON-RPC responsedie('{"jsonrpc" : "2.0", "result" : null, "id" : "id"}');?>
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