webuploader的簡單使用
需要的文件 自備 百度很多
webuploader.js uploader.swf jQuery
HTML代碼
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script type="text/javascript" src="jquery-1.10.2.min.js"></script>
<script type="text/javascript" src="webuploader.js"></script>
<style type="text/css">
.webuploader-container {
position: relative;
}
.webuploader-element-invisible {
position: absolute !important;
clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
clip: rect(1px,1px,1px,1px);
}
.webuploader-pick {
position: relative;
display: inline-block;
cursor: pointer;
background: #00b7ee;
padding: 10px 15px;
color: #fff;
text-align: center;
border-radius: 3px;
overflow: hidden;
}
.webuploader-pick-hover {
background: #00a2d4;
}
.webuploader-pick-disable {
opacity: 0.6;
pointer-events:none;
}
</style>
</head>
<body>
<div id="uploader" class="wu-example">
<!--用來存放文件信息-->
<div id="thelist" class="uploader-list"></div>
<div class="btns">
<div id="picker">選擇文件</div>
<button id="ctlBtn" class="btn btn-default">開始上傳</button>
</div>
</div>
<div id="fileList"></div>
<div id="ss"></div>
</body>
</html>
JavaScript代碼
<script type="text/javascript">
jQuery(function() {
var uploader;
uploader = WebUploader.create({
resize: false, // 不壓縮image
swf: 'uploader.swf',// swf文件路徑
server: 'upload.php', // 文件接收服務端。
pick: '#picker',// 選擇文件的按鈕。可選。內部根據當前運行是創建，可能是input元素，也可能是flash.
chunked: true,//允許分片上傳
chunkSize:2*1024*1024,//每個分片大小
auto: true,//是否自動上傳
duplicate:true,//去除重復
fileNumLimit:20,//上傳文件個數限制
fileSingleSizeLimit:20*1024*1024, //單個文件大小限制 20M
accept: {
title: '文字描述',//文字描述
extensions: 'png,3gp,mp4,rmvb,mov,avi,m4v,wmv',//上傳文件后綴
mimeTypes: 'image/*,video/*,audio/*,application/*'//上傳文件類型
}
});
uploader.on('uploadStart', function (file) {
alert("這是文件上傳前的操作函數");
});
$("#ctlBtn").click(function () {
alert("要使用手動上傳請設置參數");
// uploader.upload();//這是將參數配置auto設置 false 手動上傳
});
uploader.on( 'fileQueued', function( file ) { //文件加入隊列后觸發
var $list = $("#fileList"),
$li = $(
'<div id="' + file.id + '" class="file-item thumbnail">' + '<img>'+ '<div class="info">' + file.name + '</div>' + '</div>'
),
$img = $li.find('img');
// $list為容器jQuery實例
$list.append( $li );
// 創建縮略圖
uploader.makeThumb( file, function( error, src ) { //src base_64位
if ( error ) {
$img.replaceWith('<span>不能預覽</span>');
return;
}
$img.attr( 'src', src );
}, 100, 100 ); //100x100為縮略圖尺寸
});
// 文件上傳過程中創建進度實時顯示。
uploader.on( 'uploadProgress', function( file, percentage ) {
var ss=(percentage*100)+"%";
$("#ss").text(ss);
});
// 文件上傳成功
uploader.on( 'uploadSuccess', function( file, res ) {
alert("這是文件上傳成功的操作函數");
console.log(res.filePaht);//這里可以得到上傳后的文件路徑
});
});
</script>
PHP代碼
<?php
/**
* @Author: Administrator
* @Date: 2017-11-22 17:17:48
* @Last Modified by: liao
* @Last Modified time: 2018-01-16 21:23:29
*/
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
//字符串轉碼 無論是什么文件名稱，先unicode轉utf8 unicode轉utf8 注意$str='"..."'，內部雙引號，外部單引號 對於變量$str='..'，我們需要處理'"'.$str.'"',處理后成一個新變量
function unicode2utf8($str){
if(!$str) return $str;
$decode = json_decode($str);
if($decode) return $decode;
$str = '["' . $str . '"]';
$decode = json_decode($str);
if(count($decode) == 1){
return $decode[0];
}
return $str;
}
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
if ($_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 = ini_get("upload_tmp_dir") . DIRECTORY_SEPARATOR . "plupload";
$targetDir = 'uploads'.DIRECTORY_SEPARATOR.'file_material_tmp';
$uploadDir = 'uploads'.DIRECTORY_SEPARATOR.'file_material';
$cleanupTargetDir = true; // Remove old files
$maxFileAge = 5 * 3600; // Temp file age in seconds
// Create target dir
if (!file_exists($targetDir)) {
@mkdir($targetDir);
}
// Create target dir
if (!file_exists($uploadDir)) {
@mkdir($uploadDir);
}
// Get a file name
if (isset($_REQUEST["name"])) {
$fileName = $_REQUEST["name"];
} elseif (!empty($_FILES)) {
$fileName = $_FILES["file"]["name"];
} else {
$fileName = uniqid("file_");
}
//-------------------------------------------------------
$fileName=unicode2utf8('"'.$fileName.'"');
$fileName= iconv("UTF-8", "GBK", $fileName);//防止fopen語句失效
//-----------------------------------------------------------------------
$oldName = $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($targetDir)) {
die('{"jsonrpc" : "2.0", "error" : {"code": 100, "message": "Failed to open temp directory."}, "id" : "id"}');
}
while (($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($dir);
}
// Open temp file
if (!$out = @fopen("{$filePath}_{$chunk}.parttmp", "wb")) {
die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}');
}
if (!empty($_FILES)) {
if ($_FILES["file"]["error"] || !is_uploaded_file($_FILES["file"]["tmp_name"])) {
die('{"jsonrpc" : "2.0", "error" : {"code": 103, "message": "Failed to move uploaded file."}, "id" : "id"}');
}
// Read binary input stream and append it to temp file
if (!$in = @fopen($_FILES["file"]["tmp_name"], "rb")) {
die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}');
}
} else {
if (!$in = @fopen("php://input", "rb")) {
die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "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 stream."}, "id" : "id"}');
}
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,
'filePaht'=>$uploadPath,
'fileSuffixes'=>$pathInfo['extension'],
];
echo json_encode($response);
exit();
}
// Return Success JSON-RPC response
die('{"jsonrpc" : "2.0", "result" : null, "id" : "id"}');
?>
這里是webuploader 里面的使用方法
