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  • webuploader分片文件上传

    首先将插件放在 public下  

    html代码

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
        <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js">
        </script>
        <script src="/webuploader/webuploader.js"></script>
        <link rel ="slylesheet" type="text/css" href="/webuploader/webuploader.css">
    
    </head>
    <body>
    
    <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>
    
    
    </body>
    </html>
    <script>
    
        uploadfiles(2655,"files");
    
        function uploadfiles(ids,folder) {
            $(function(){
                    var $list = $("#the_"+ids);
                    $btn = $("#Btn_"+ids);
                    var uploader = WebUploader.create({
    
                        auto:true,
                        resize: false, // 不压缩image
                        swf: '/webuploader/uploader.swf', // swf文件路径
                        server: '{:url("admin/upimg/uploadFile")}', // 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
                        },
                    });
                }
            )};
    </script>

     

    控制器代码

        public function uploadFile(){
            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");
            $folder = input('folder');
            if ($_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
            $targetDir = './Public'.DIRECTORY_SEPARATOR.'file_material_tmp';            //存放分片临时目录
            if($folder){
                $uploadDir = './Public'.DIRECTORY_SEPARATOR.'file_material'.DIRECTORY_SEPARATOR.$folder.DIRECTORY_SEPARATOR.date('Ymd');
            }else{
                $uploadDir = './Public'.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 dir
            if (!file_exists($uploadDir)) {
                mkdir($uploadDir,0777,true);
            }
            // Get a file name
            if (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($_REQUEST["chunks"]) : 1;
            // Remove old temp files
            if ($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}" || $tmpfilePath == "{$filePath}_{$chunk}") {
                        continue;
                    }
                    // Remove temp file if it is older than the max age and is not the current file
                    if (preg_match('/.(part|parttmp)$/', $file) && (filemtime($tmpfilePath) < time() - $maxFileAge)) {
                        unlink($tmpfilePath);
                    }
                }
                closedir($dir);
            }
            // Open temp file
            if (!$out = fopen("{$filePath}_{$chunk}", "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}_{$chunk}", "{$filePath}_{$chunk}");
            $index = 0;
            $done = true;
            for( $index = 0; $index < $chunks; $index++ ) {
                if ( !file_exists("{$filePath}_{$index}") ) {
                    $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}", "rb")) {
                            break;
                        }
                        while ($buff = fread($in, 4096)) {
                            fwrite($out, $buff);
                        }
                        fclose($in);
                        unlink("{$filePath}_{$index}");
                    }
                    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($response);
            }
    
            // Return Success JSON-RPC response
            die('{"jsonrpc" : "2.0", "result" : null, "id" : "id"}');
        }

     

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  • 原文地址:https://www.cnblogs.com/cyxng/p/14535158.html
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