作者 杨育虎

七牛云直传

... ... @@ -12,6 +12,8 @@ namespace app\user\controller;
use cmf\controller\AdminBaseController;
use cmf\lib\Upload;
use Qiniu\Auth;
use think\Db;
/**
* 附件上传控制器
... ... @@ -83,9 +85,53 @@ class AssetController extends AdminBaseController
$this->assign('multi', $arrData["multi"]);
$this->assign('app', $arrData["app"]);
return $this->fetch(":webuploader");
$storage = cmf_get_option('storage');
if ($storage['type'] == 'Qiniu'){
$plugin=Db::name('plugin')->field('config')->where(['name'=>'Qiniu'])->find();
$config=json_decode($plugin['config'],true);
$this->assign('qiniu_config', $config);
require_once VENDOR_PATH . 'qiniu/php-sdk/autoload.php';
// 需要填写你的 Access Key 和 Secret Key
$accessKey = $config['accessKey'];
$secretKey = $config['secretKey'];
// 构建鉴权对象
$auth = new Auth($accessKey,$secretKey);
// 要上传的空间
$bucket = $config['bucket'];
$token = $auth->uploadToken($bucket);
$this->assign('token', $token);
return $this->fetch(":webuploader2");
}else{
return $this->fetch(":webuploader");
}
}
}
/**
* @title 获取七牛云TOKEN
* @description 获取七牛云TOKEN
* @author Tiger Yang
* @url /home/public/getQiNiuToken
* @method GET
*
*/
public function getQiNiuToken(){
$plugin=Db::name('plugin')->field('config')->where(['name'=>'Qiniu'])->find();
$config=json_decode($plugin['config'],true);
require_once VENDOR_PATH . 'qiniu/php-sdk/autoload.php';
// 需要填写你的 Access Key 和 Secret Key
$accessKey = $config['accessKey'];
$secretKey = $config['secretKey'];
// 构建鉴权对象
$auth = new Auth($accessKey,$secretKey);
// 要上传的空间
$bucket = $config['bucket'];
$token = $auth->uploadToken($bucket);
echo $token;
}
}
... ...
<include file="public@header"/>
<link rel="stylesheet" type="text/css" href="__ROOT__/static/js/webuploader/webuploader.css">
<link rel="stylesheet" type="text/css" href="__ROOT__/static/js/webuploader/image-upload/style.css">
<style>
.state-complete .progress {
display: none;
}
</style>
</head>
<body class="body_none">
<div class="wrap " style="padding:5px;">
<ul class="nav nav-tabs">
<li class="active"><a href="#wrapper" data-toggle="tab">上传文件</a></li>
<!--<li class=""><a href="#B" data-toggle="tab">网络文件</a></li>-->
<!--<li class=""><a href="#explorer" data-toggle="tab">文件管理</a></li>-->
</ul>
<div class="tabbable">
<div class="tab-content ">
<div class="tab-pane active" id="wrapper">
<div id="container">
<!--头部,相册选择和格式选择-->
<div id="uploader">
<div class="queueList">
<div id="dndArea" class="placeholder">
<div id="filePicker"></div>
<p>或将文件拖到这里,单次最多可选{$max_files}个文件</p>
</div>
</div>
<div class="statusBar" style="display:none;">
<div class="progress">
<span class="text">0%</span>
<span class="percentage"></span>
</div>
<div class="info"></div>
<div class="btns">
<div id="filePicker2"></div>
<div class="uploadBtn">开始上传</div>
</div>
</div>
</div>
</div>
</div>
<div class="tab-pane" id="B"> 请输入网络地址
<div class="bk3"></div>
<input type="hidden" id="img_name" value="">
<input type="text" id="info" name="info[filename]" class="input form-control" value=""
style="width:600px;" placeholder="http://" onblur="addonlinefile(this)">
</div>
<div class="tab-pane" id="explorer">
<div class="bk3"></div>
</div>
</div>
</div>
</div>
<script src="__ROOT__/static/js/admin.js"></script>
<script src="__ROOT__/static/js/webuploader/webuploader.min.js"></script>
<script type="text/javascript">
var options = {
host : "http://upload.qiniu.com",
tokenUrl : "{:url('user/asset/getQiNiuToken','','',true)}",
domain : "http://{$qiniu_config['domain']}/",
mockToken : true,
mockTokenValue : "{$token}",
hash : true,
save_key: true
}
var token="{$token}";
var m = new Map();
var httpUrl = "{:cmf_get_asset_url('')}";
function get_selected_files() {
var files = [];
var idPre = 'id' + new Date().getTime();
if (jQuery("#wrapper").is(":hidden")) {
var file = new Object();
file.id = idPre + '1';
file.filepath = jQuery("#info").val();
file.preview_url = file.filepath;
file.url = file.filepath;
file.name = "";//jQuery(".filelist li .title").eq(i).html();
files.push(file);
} else {
var number = jQuery(".filelist li").size();
for (var i = 0; i < number; i++) {
var file = new Object();
var $file = jQuery(".filelist li").eq(i);
file.id = idPre + i;
file.filepath = $file.data("filepath");
file.preview_url = $file.data("preview_url");//httpUrl+file.filepath;
file.url = $file.data("url");
file.name = $file.data("name");
if (file.url == undefined) {
continue;
} else {
files.push(file);
}
}
}
return files;
}
var multi = {$multi};//是否允许同时选多个文件
var maxFiles = {$max_files};//允许上传多少文件
var fileErrorMsg = {};
(function ($) {
// 当domReady的时候开始初始化
$(function () {
var $wrap = $('#uploader'),
// 图片容器
$queue = $('<ul class="filelist"></ul>').appendTo($wrap.find('.queueList')),
// 状态栏,包括进度和控制按钮
$statusBar = $wrap.find('.statusBar'),
// 文件总体选择信息。
$info = $statusBar.find('.info'),
// 上传按钮
$upload = $wrap.find('.uploadBtn').hide(),
// 没选择文件之前的内容。
$placeHolder = $wrap.find('.placeholder'),
$progress = $statusBar.find('.progress').hide(),
// 添加的文件数量
fileCount = 0,
// 添加的文件总大小
fileSize = 0,
// 优化retina, 在retina下这个值是2
ratio = window.devicePixelRatio || 1,
// 缩略图大小
thumbnailWidth = 110 * ratio,
thumbnailHeight = 110 * ratio,
// 可能有pedding, ready, uploading, confirm, done.
state = 'pedding',
// 所有文件的进度信息,key为file id
percentages = {},
// 判断浏览器是否支持图片的base64
isSupportBase64 = (function () {
var data = new Image();
var support = true;
data.onload = data.onerror = function () {
if (this.width != 1 || this.height != 1) {
support = false;
}
}
data.src = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==";
return support;
})(),
// 检测是否已经安装flash,检测flash的版本
flashVersion = (function () {
var version;
try {
version = navigator.plugins['Shockwave Flash'];
version = version.description;
} catch (ex) {
try {
version = new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version');
} catch (ex2) {
version = '0.0';
}
}
version = version.match(/\d+/g);
return parseFloat(version[0] + '.' + version[1], 10);
})(),
supportTransition = (function () {
var s = document.createElement('p').style,
r = 'transition' in s ||
'WebkitTransition' in s ||
'MozTransition' in s ||
'msTransition' in s ||
'OTransition' in s;
s = null;
return r;
})(),
// WebUploader实例
uploader;
if (!WebUploader.Uploader.support('flash') && WebUploader.browser.ie) {
// flash 安装了但是版本过低。
if (flashVersion) {
(function (container) {
window['expressinstallcallback'] = function (state) {
switch (state) {
case 'Download.Cancelled':
alert('您取消了更新!')
break;
case 'Download.Failed':
alert('安装失败')
break;
default:
alert('安装已成功,请刷新!');
break;
}
delete window['expressinstallcallback'];
};
var swf = './expressInstall.swf';
// insert flash object
var html = '<object type="application/' +
'x-shockwave-flash" data="' + swf + '" ';
if (WebUploader.browser.ie) {
html += 'classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" ';
}
html += 'width="100%" height="100%" style="outline:0">' +
'<param name="movie" value="' + swf + '" />' +
'<param name="wmode" value="transparent" />' +
'<param name="allowscriptaccess" value="always" />' +
'</object>';
container.html(html);
})($wrap);
// 压根就没有安转。
} else {
$wrap.html('<a href="http://www.adobe.com/go/getflashplayer" target="_blank" border="0"><img alt="get flash player" src="http://www.adobe.com/macromedia/style_guide/images/160x41_Get_Flash_Player.jpg" /></a>');
}
return;
} else if (!WebUploader.Uploader.support()) {
alert('Web Uploader 不支持您的浏览器!');
return;
}
// 实例化
uploader = WebUploader.create({
pick: {
id: '#filePicker',
label: '点击选择文件',
multiple: multi,
},
formData: {
app: '{$app}',
filetype: '{$filetype}'
},
accept: {
extensions: '{$extensions}'
},
dnd: '#dndArea',
paste: '#uploader',
swf: GV.WEB_ROOT + GV.JS_ROOT + 'webuploader/Uploader.swf',
chunked: true,//开启分片
auto: true,
chunkSize: {$chunk_size} * 1024,// 单位B
compress: false,
server: options.host,
// 禁掉全局的拖拽功能。这样不会出现图片拖进页面的时候,把图片打开。
disableGlobalDnd: true,
fileNumLimit: maxFiles,
runtimeOrder: 'html5,flash',
//fileSizeLimit: 200 * 1024 * 1024, // 200 M
fileSingleSizeLimit: {$upload_max_filesize} // 单位B
});
// 拖拽时不接受 js, txt 文件。
uploader.on('dndAccept', function (items) {
var denied = false,
len = items.length,
i = 0,
// 修改js类型
unAllowed = 'text/plain;application/javascript ';
for (; i < len; i++) {
// 如果在列表里面
if (~unAllowed.indexOf(items[i].type)) {
denied = true;
break;
}
}
return !denied;
});
// uploader.on('filesQueued', function() {
// uploader.sort(function( a, b ) {
// if ( a.name < b.name )
// return -1;
// if ( a.name > b.name )
// return 1;
// return 0;
// });
// });
if (maxFiles > 1) {
// 添加“添加文件”的按钮,
uploader.addButton({
id: '#filePicker2',
label: '继续添加'
});
}
uploader.on('ready', function () {
window.uploader = uploader;
});
uploader.on("uploadStart", function(file){
if(!options.mockToken) {
GetToken(options.tokenUrl, file);
} else {
uploader.options.formData = {
token : options.mockTokenValue
}
token = options.mockTokenValue;
}
});
uploader.on("uploadBeforeSend", function (block, data, headers) {
//console.log("uploadBeforeSend............")
if (parseInt(block.file.size) <= parseInt(uploader.options.chunkSize)) {
uploader.options.chunked = false;
//console.log("使用表单上传.........");
} else {
uploader.options.chunked = true;
uploader.options.save_key =true;
headers['Authorization'] = 'UpToken ' + token;
headers['Content-Type'] = 'application/octet-stream';
block.transport.options.server = options.host + "/mkblk/" + (block.end - block.start);
block.transport.options.sendAsBinary = true;
block.transport.options.formData = false;
//console.log(true);
}
});
// 当有文件添加进来时执行,负责view的创建
function addFile(file) {
var $li = $('<li id="' + file.id + '">' +
'<p class="title">' + file.name + '</p>' +
'<p class="imgWrap"></p>' +
'<p class="progress"><span></span></p>' +
'</li>'),
$btns = $('<div class="file-panel">' +
'<span class="cancel">删除</span>' +
'<span class="rotateRight">向右旋转</span>' +
'<span class="rotateLeft">向左旋转</span></div>').appendTo($li),
$prgress = $li.find('p.progress span'),
$wrap = $li.find('p.imgWrap'),
$info = $('<p class="error"></p>'),
showError = function (code) {
switch (code) {
case 'exceed_size':
text = '文件大小超出';
break;
case 'interrupt':
text = '上传暂停';
break;
default:
text = '上传失败,请重试';
break;
}
$info.text(text).appendTo($li);
};
if (file.getStatus() === 'invalid') {
showError(file.statusText);
} else {
// @todo lazyload
$wrap.text('预览中');
uploader.makeThumb(file, function (error, src) {
var img;
if (error) {
$wrap.text('不能预览');
return;
}
if (isSupportBase64) {
img = $('<img src="' + src + '">');
$wrap.empty().append(img);
} else {
$.ajax('../../server/preview.php', {
method: 'POST',
data: src,
dataType: 'json'
}).done(function (response) {
if (response.result) {
img = $('<img src="' + response.result + '">');
$wrap.empty().append(img);
} else {
$wrap.text("预览出错");
}
});
}
}, thumbnailWidth, thumbnailHeight);
percentages[file.id] = [file.size, 0];
file.rotation = 0;
}
file.on('statuschange', function (cur, prev) {
if (prev === 'progress') {
$prgress.hide().width(0);
} else if (prev === 'queued') {
$li.off('mouseenter mouseleave');
$btns.remove();
}
// 成功
if (cur === 'error' || cur === 'invalid') {
//console.log(file.statusText);
showError(file.statusText);
percentages[file.id][1] = 1;
} else if (cur === 'interrupt') {
showError('interrupt');
} else if (cur === 'queued') {
percentages[file.id][1] = 0;
} else if (cur === 'progress') {
$info.remove();
$prgress.css('display', 'block');
} else if (cur === 'complete') {
$li.append('<span class="success"></span>');
}
$li.removeClass('state-' + prev).addClass('state-' + cur);
});
$li.on('mouseenter', function () {
$btns.stop().animate({height: 30});
});
$li.on('mouseleave', function () {
$btns.stop().animate({height: 0});
});
$btns.on('click', 'span', function () {
var index = $(this).index(),
deg;
switch (index) {
case 0:
uploader.removeFile(file);
return;
case 1:
file.rotation += 90;
break;
case 2:
file.rotation -= 90;
break;
}
if (supportTransition) {
deg = 'rotate(' + file.rotation + 'deg)';
$wrap.css({
'-webkit-transform': deg,
'-mos-transform': deg,
'-o-transform': deg,
'transform': deg
});
} else {
$wrap.css('filter', 'progid:DXImageTransform.Microsoft.BasicImage(rotation=' + (~~((file.rotation / 90) % 4 + 4) % 4) + ')');
// use jquery animate to rotation
// $({
// rotation: rotation
// }).animate({
// rotation: file.rotation
// }, {
// easing: 'linear',
// step: function( now ) {
// now = now * Math.PI / 180;
// var cos = Math.cos( now ),
// sin = Math.sin( now );
// $wrap.css( 'filter', "progid:DXImageTransform.Microsoft.Matrix(M11=" + cos + ",M12=" + (-sin) + ",M21=" + sin + ",M22=" + cos + ",SizingMethod='auto expand')");
// }
// });
}
});
$li.appendTo($queue);
}
// 负责view的销毁
function removeFile(file) {
var $li = $('#' + file.id);
delete percentages[file.id];
updateTotalProgress();
$li.off().find('.file-panel').off().end().remove();
}
function updateTotalProgress() {
var loaded = 0,
total = 0,
spans = $progress.children(),
percent;
$.each(percentages, function (k, v) {
total += v[0];
loaded += v[0] * v[1];
});
percent = total ? loaded / total : 0;
spans.eq(0).text(Math.round(percent * 100) + '%');
spans.eq(1).css('width', Math.round(percent * 100) + '%');
updateStatus();
}
function updateStatus() {
var text = '', stats;
if (state === 'ready') {
text = '选中' + fileCount + '个文件,共' +
WebUploader.formatSize(fileSize) + '。';
} else if (state === 'confirm') {
stats = uploader.getStats();
if (stats.uploadFailNum) {
text = '已成功上传' + stats.successNum + '个文件,' +
stats.uploadFailNum + '个文件上传失败,<a class="retry" href="#">重新上传</a>失败文件或忽略'
}
} else {
stats = uploader.getStats();
text = '共' + fileCount + '个文件(' +
WebUploader.formatSize(fileSize) +
'),已上传' + stats.successNum + '个';
if (stats.uploadFailNum) {
text += ',失败' + stats.uploadFailNum + '个';
}
}
$info.html(text);
}
function setState(val) {
var file, stats;
if (val === state) {
return;
}
$upload.removeClass('state-' + state);
$upload.addClass('state-' + val);
state = val;
switch (state) {
case 'pedding':
$placeHolder.removeClass('element-invisible');
$queue.hide();
$statusBar.addClass('element-invisible');
uploader.refresh();
break;
case 'ready':
$placeHolder.addClass('element-invisible');
$('#filePicker2').removeClass('element-invisible');
$queue.show();
$statusBar.removeClass('element-invisible');
uploader.refresh();
break;
case 'uploading':
$('#filePicker2').addClass('element-invisible');
$progress.show();
$upload.text('暂停上传');
break;
case 'paused':
$progress.show();
$upload.text('继续上传');
break;
case 'confirm':
$progress.hide();
$('#filePicker2').removeClass('element-invisible');
$upload.text('开始上传');
stats = uploader.getStats();
if (stats.successNum && !stats.uploadFailNum) {
setState('finish');
return;
}
break;
case 'finish':
stats = uploader.getStats();
if (stats.successNum) {
//alert( '上传成功' );
} else {
// 没有成功的图片,重设
state = 'done';
location.reload();
}
break;
}
updateStatus();
}
uploader.onUploadProgress = function (file, percentage) {
var $li = $('#' + file.id),
$percent = $li.find('.progress span');
$percent.css('width', percentage * 100 + '%');
percentages[file.id][1] = percentage;
updateTotalProgress();
};
uploader.onFileQueued = function (file) {
fileCount++;
fileSize += file.size;
if (fileCount === 1) {
$placeHolder.addClass('element-invisible');
$statusBar.show();
}
var ctx = new Array();
m.set(file.name, ctx);
addFile(file);
setState('ready');
updateTotalProgress();
};
uploader.onFileDequeued = function (file) {
fileCount--;
fileSize -= file.size;
if (!fileCount) {
setState('pedding');
}
removeFile(file);
updateTotalProgress();
};
uploader.on('all', function (type, file, msg) {
var stats;
switch (type) {
case 'uploadSuccess':
// console.log('file');
// console.log(file);
// console.log('msg');
// console.log(msg);
if (msg._raw != '') {
var $file = jQuery("#" + file.id);
if(parseInt(file.size) > parseInt(uploader.options.chunkSize)) {
MakeFile(m.get(file.name), file, options.hash ,$file);
}else{
$file.data("filepath", options.domain+msg.key);
$file.data("name", file.name);
$file.data("url", options.domain+msg.key);
$file.data("preview_url", options.domain+msg.key);
}
}
break;
case 'uploadFinished':
setState('confirm');
break;
case 'startUpload':
setState('uploading');
break;
case 'stopUpload':
setState('paused');
break;
}
});
uploader.on("uploadAccept", function (object, ret) {
//console.log(object);
//console.log(ret);
m.get(object.file.name)[object.chunk] = ret.ctx;
if (ret.code == 0) {
fileErrorMsg[object.file.id] = ret.msg;
return false;
}
return true;
});
uploader.on('uploadError', function (file, reason) {
//console.log(file.id);
//console.log(reason);
if (reason == 'server') {
$('#' + file.id).find('p.error').text(fileErrorMsg[file.id]);
}
});
uploader.onError = function (code) {
switch (code) {
case "Q_TYPE_DENIED":
code = "文件类型错误!";
break;
case "Q_EXCEED_NUM_LIMIT":
code = "最多只能上传" + maxFiles + '个文件';
break;
case "F_DUPLICATE":
code = "文件重复添加!";
break;
case "F_EXCEED_SIZE":
code = "您需要选择小于{$upload_max_filesize_mb}M的文件!";
break;
}
alert(code);
};
$upload.on('click', function () {
if ($(this).hasClass('disabled')) {
return false;
}
if (state === 'ready') {
uploader.upload();
} else if (state === 'paused') {
uploader.upload();
} else if (state === 'uploading') {
uploader.stop();
}
});
$info.on('click', '.retry', function () {
uploader.retry();
});
$info.on('click', '.ignore', function () {
alert('todo');
});
$upload.addClass('state-' + state);
updateTotalProgress();
});
function GetToken(tokenUrl, file) {
$.ajax({
async:false,
type: 'get',
url: tokenUrl,
success: function (token) {
if(options.hash) {
uploader.options.formData = {
token : token,
}
} else {
uploader.options.formData = {
token : token,
key: file.name
}
}
}
});
}
function MakeFile(ctx, file, hash,obj) {
var b = ctx.join(",");
if(hash){
$.ajax({
type: 'POST',
url: options.host + '/mkfile/' + file.size,
data: b,
contentType: "text/plain",
contentLength: b.length,
beforeSend: function (XMLHttpRequest) {
XMLHttpRequest.setRequestHeader("Authorization", 'UpToken ' + token);
},
success: function(res){
UploadComplete(file, res,obj);
}
});
} else {
$.ajax({
type: 'POST',
url: options.host + '/mkfile/' + file.size + '/key/' + URLSafeBase64Encode(file.name),
data: b,
contentType: "text/plain",
contentLength: b.length,
beforeSend: function (XMLHttpRequest) {
XMLHttpRequest.setRequestHeader("Authorization", 'UpToken ' + token);
},
success: function(res){
UploadComplete(file, res,obj);
}
});
}
}
function UploadComplete(file,res,$file) {
// console.log(file);
// console.log(res);
ctx = new Array();
uploader.options.chunked = true;
$file.data("filepath", options.domain+res.key);
$file.data("name", file.name);
$file.data("url", options.domain+res.key);
$file.data("preview_url", options.domain+res.key);
}
function URLSafeBase64Decode(data){
data = data.replace(/_/g, '/').replace(/-/g, '+');
var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
var o1, o2, o3, h1, h2, h3, h4, bits, i = 0,
ac = 0,
dec = "",
tmp_arr = [];
if (!data) {
return data;
}
data += '';
do { // unpack four hexets into three octets using index points in b64
h1 = b64.indexOf(data.charAt(i++));
h2 = b64.indexOf(data.charAt(i++));
h3 = b64.indexOf(data.charAt(i++));
h4 = b64.indexOf(data.charAt(i++));
bits = h1 << 18 | h2 << 12 | h3 << 6 | h4;
o1 = bits >> 16 & 0xff;
o2 = bits >> 8 & 0xff;
o3 = bits & 0xff;
if (h3 === 64) {
tmp_arr[ac++] = String.fromCharCode(o1);
} else if (h4 === 64) {
tmp_arr[ac++] = String.fromCharCode(o1, o2);
} else {
tmp_arr[ac++] = String.fromCharCode(o1, o2, o3);
}
} while (i < data.length);
dec = tmp_arr.join('');
return dec;
}
function utf8_encode(argString) {
if (argString === null || typeof argString === 'undefined') {
return '';
}
var string = (argString + ''); // .replace(/\r\n/g, '\n').replace(/\r/g, '\n');
var utftext = '',
start, end, stringl = 0;
start = end = 0;
stringl = string.length;
for (var n = 0; n < stringl; n++) {
var c1 = string.charCodeAt(n);
var enc = null;
if (c1 < 128) {
end++;
} else if (c1 > 127 && c1 < 2048) {
enc = String.fromCharCode(
(c1 >> 6) | 192, (c1 & 63) | 128
);
} else if (c1 & 0xF800 ^ 0xD800 > 0) {
enc = String.fromCharCode(
(c1 >> 12) | 224, ((c1 >> 6) & 63) | 128, (c1 & 63) | 128
);
} else { // surrogate pairs
if (c1 & 0xFC00 ^ 0xD800 > 0) {
throw new RangeError('Unmatched trail surrogate at ' + n);
}
var c2 = string.charCodeAt(++n);
if (c2 & 0xFC00 ^ 0xDC00 > 0) {
throw new RangeError('Unmatched lead surrogate at ' + (n - 1));
}
c1 = ((c1 & 0x3FF) << 10) + (c2 & 0x3FF) + 0x10000;
enc = String.fromCharCode(
(c1 >> 18) | 240, ((c1 >> 12) & 63) | 128, ((c1 >> 6) & 63) | 128, (c1 & 63) | 128
);
}
if (enc !== null) {
if (end > start) {
utftext += string.slice(start, end);
}
utftext += enc;
start = end = n + 1;
}
}
if (end > start) {
utftext += string.slice(start, stringl);
}
return utftext;
}
function URLSafeBase64Encode(data) {
var b64 = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
var o1, o2, o3, h1, h2, h3, h4, bits, i = 0,
ac = 0,
enc = '',
tmp_arr = [];
if (!data) {
return data;
}
data = utf8_encode(data + '');
do { // pack three octets into four hexets
o1 = data.charCodeAt(i++);
o2 = data.charCodeAt(i++);
o3 = data.charCodeAt(i++);
bits = o1 << 16 | o2 << 8 | o3;
h1 = bits >> 18 & 0x3f;
h2 = bits >> 12 & 0x3f;
h3 = bits >> 6 & 0x3f;
h4 = bits & 0x3f;
// use hexets to index into b64, and append result to encoded string
tmp_arr[ac++] = b64.charAt(h1) + b64.charAt(h2) + b64.charAt(h3) + b64.charAt(h4);
} while (i < data.length);
enc = tmp_arr.join('');
switch (data.length % 3) {
case 1:
enc = enc.slice(0, -2) + '==';
break;
case 2:
enc = enc.slice(0, -1) + '=';
break;
}
return enc.replace(/\//g, '_').replace(/\+/g, '-');
}
})(jQuery);
</script>
</body>
</html>
\ No newline at end of file
... ...