mirror of
https://gitee.com/zoujingli/ThinkAdmin.git
synced 2025-04-06 03:58:04 +08:00
569 lines
19 KiB
PHP
569 lines
19 KiB
PHP
(function( $ ){
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// 当domReady的时候开始初始化
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$(function() {
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var $wrap = $('#uploader'),
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// 图片容器
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$queue = $( '<ul class="filelist"></ul>' )
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.appendTo( $wrap.find( '.queueList' ) ),
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// 状态栏，包括进度和控制按钮
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$statusBar = $wrap.find( '.statusBar' ),
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// 文件总体选择信息。
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$info = $statusBar.find( '.info' ),
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// 上传按钮
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$upload = $wrap.find( '.uploadBtn' ),
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// 没选择文件之前的内容。
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$placeHolder = $wrap.find( '.placeholder' ),
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$progress = $statusBar.find( '.progress' ).hide(),
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// 添加的文件数量
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fileCount = 0,
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// 添加的文件总大小
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fileSize = 0,
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// 优化retina, 在retina下这个值是2
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ratio = window.devicePixelRatio || 1,
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// 缩略图大小
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thumbnailWidth = 110 * ratio,
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thumbnailHeight = 110 * ratio,
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// 可能有pedding, ready, uploading, confirm, done.
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state = 'pedding',
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// 所有文件的进度信息，key为file id
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percentages = {},
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// 判断浏览器是否支持图片的base64
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isSupportBase64 = ( function() {
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var data = new Image();
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var support = true;
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data.onload = data.onerror = function() {
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if( this.width != 1 || this.height != 1 ) {
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support = false;
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}
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}
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data.src = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==";
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return support;
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} )(),
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// 检测是否已经安装flash，检测flash的版本
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flashVersion = ( function() {
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var version;
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try {
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version = navigator.plugins[ 'Shockwave Flash' ];
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version = version.description;
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} catch ( ex ) {
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try {
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version = new ActiveXObject('ShockwaveFlash.ShockwaveFlash')
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.GetVariable('$version');
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} catch ( ex2 ) {
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version = '0.0';
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}
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}
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version = version.match( /\d+/g );
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return parseFloat( version[ 0 ] + '.' + version[ 1 ], 10 );
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} )(),
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supportTransition = (function(){
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var s = document.createElement('p').style,
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r = 'transition' in s ||
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'WebkitTransition' in s ||
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'MozTransition' in s ||
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'msTransition' in s ||
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'OTransition' in s;
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s = null;
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return r;
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})(),
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// WebUploader实例
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uploader;
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if ( !WebUploader.Uploader.support('flash') && WebUploader.browser.ie ) {
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// flash 安装了但是版本过低。
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if (flashVersion) {
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(function(container) {
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window['expressinstallcallback'] = function( state ) {
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switch(state) {
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case 'Download.Cancelled':
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alert('您取消了更新！')
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break;
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case 'Download.Failed':
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alert('安装失败')
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break;
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default:
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alert('安装已成功，请刷新！');
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break;
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}
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delete window['expressinstallcallback'];
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};
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var swf = './expressInstall.swf';
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// insert flash object
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var html = '<object type="application/' +
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'x-shockwave-flash" data="' + swf + '" ';
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if (WebUploader.browser.ie) {
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html += 'classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" ';
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}
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html += 'width="100%" height="100%" style="outline:0">' +
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'<param name="movie" value="' + swf + '" />' +
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'<param name="wmode" value="transparent" />' +
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'<param name="allowscriptaccess" value="always" />' +
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'</object>';
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container.html(html);
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})($wrap);
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// 压根就没有安转。
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} else {
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$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>');
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}
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return;
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} else if (!WebUploader.Uploader.support()) {
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alert( 'Web Uploader 不支持您的浏览器！');
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return;
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}
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// 实例化
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uploader = WebUploader.create({
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pick: {
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id: '#filePicker',
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label: '点击选择图片'
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},
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formData: {
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uid: 123
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},
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dnd: '#dndArea',
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paste: '#uploader',
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swf: '../../dist/Uploader.swf',
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chunked: false,
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chunkSize: 512 * 1024,
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server: '../../server/fileupload.php',
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// runtimeOrder: 'flash',
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// accept: {
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// title: 'Images',
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// extensions: 'gif,jpg,jpeg,bmp,png',
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// mimeTypes: 'image/*'
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// },
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// 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。
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disableGlobalDnd: true,
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fileNumLimit: 300,
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fileSizeLimit: 200 * 1024 * 1024, // 200 M
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fileSingleSizeLimit: 50 * 1024 * 1024 // 50 M
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});
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// 拖拽时不接受 js, txt 文件。
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uploader.on( 'dndAccept', function( items ) {
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var denied = false,
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len = items.length,
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i = 0,
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// 修改js类型
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unAllowed = 'text/plain;application/javascript ';
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for ( ; i < len; i++ ) {
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// 如果在列表里面
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if ( ~unAllowed.indexOf( items[ i ].type ) ) {
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denied = true;
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break;
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}
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}
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return !denied;
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});
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// uploader.on('filesQueued', function() {
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// uploader.sort(function( a, b ) {
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// if ( a.name < b.name )
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// return -1;
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// if ( a.name > b.name )
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// return 1;
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// return 0;
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// });
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// });
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// 添加“添加文件”的按钮，
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uploader.addButton({
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id: '#filePicker2',
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label: '继续添加'
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});
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uploader.on('ready', function() {
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window.uploader = uploader;
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});
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// 当有文件添加进来时执行，负责view的创建
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function addFile( file ) {
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var $li = $( '<li id="' + file.id + '">' +
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'<p class="title">' + file.name + '</p>' +
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'<p class="imgWrap"></p>'+
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'<p class="progress"><span></span></p>' +
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'</li>' ),
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$btns = $('<div class="file-panel">' +
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'<span class="cancel">删除</span>' +
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'<span class="rotateRight">向右旋转</span>' +
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'<span class="rotateLeft">向左旋转</span></div>').appendTo( $li ),
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$prgress = $li.find('p.progress span'),
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$wrap = $li.find( 'p.imgWrap' ),
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$info = $('<p class="error"></p>'),
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showError = function( code ) {
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switch( code ) {
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case 'exceed_size':
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text = '文件大小超出';
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break;
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case 'interrupt':
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text = '上传暂停';
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break;
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default:
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text = '上传失败，请重试';
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break;
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}
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$info.text( text ).appendTo( $li );
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};
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if ( file.getStatus() === 'invalid' ) {
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showError( file.statusText );
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} else {
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// @todo lazyload
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$wrap.text( '预览中' );
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uploader.makeThumb( file, function( error, src ) {
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var img;
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if ( error ) {
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$wrap.text( '不能预览' );
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return;
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}
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if( isSupportBase64 ) {
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img = $('<img src="'+src+'">');
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$wrap.empty().append( img );
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} else {
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$.ajax('../../server/preview.php', {
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method: 'POST',
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data: src,
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dataType:'json'
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}).done(function( response ) {
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if (response.result) {
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img = $('<img src="'+response.result+'">');
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$wrap.empty().append( img );
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} else {
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$wrap.text("预览出错");
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}
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});
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}
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}, thumbnailWidth, thumbnailHeight );
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percentages[ file.id ] = [ file.size, 0 ];
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file.rotation = 0;
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}
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file.on('statuschange', function( cur, prev ) {
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if ( prev === 'progress' ) {
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$prgress.hide().width(0);
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} else if ( prev === 'queued' ) {
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$li.off( 'mouseenter mouseleave' );
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$btns.remove();
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}
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// 成功
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if ( cur === 'error' || cur === 'invalid' ) {
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console.log( file.statusText );
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showError( file.statusText );
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percentages[ file.id ][ 1 ] = 1;
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} else if ( cur === 'interrupt' ) {
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showError( 'interrupt' );
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} else if ( cur === 'queued' ) {
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percentages[ file.id ][ 1 ] = 0;
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} else if ( cur === 'progress' ) {
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$info.remove();
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$prgress.css('display', 'block');
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} else if ( cur === 'complete' ) {
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$li.append( '<span class="success"></span>' );
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}
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$li.removeClass( 'state-' + prev ).addClass( 'state-' + cur );
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});
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$li.on( 'mouseenter', function() {
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$btns.stop().animate({height: 30});
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});
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$li.on( 'mouseleave', function() {
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$btns.stop().animate({height: 0});
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});
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$btns.on( 'click', 'span', function() {
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var index = $(this).index(),
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deg;
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switch ( index ) {
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case 0:
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uploader.removeFile( file );
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return;
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case 1:
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file.rotation += 90;
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break;
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case 2:
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file.rotation -= 90;
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break;
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}
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if ( supportTransition ) {
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deg = 'rotate(' + file.rotation + 'deg)';
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$wrap.css({
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'-webkit-transform': deg,
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'-mos-transform': deg,
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'-o-transform': deg,
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'transform': deg
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});
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} else {
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$wrap.css( 'filter', 'progid:DXImageTransform.Microsoft.BasicImage(rotation='+ (~~((file.rotation/90)%4 + 4)%4) +')');
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// use jquery animate to rotation
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// $({
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// rotation: rotation
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// }).animate({
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// rotation: file.rotation
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// }, {
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// easing: 'linear',
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// step: function( now ) {
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// now = now * Math.PI / 180;
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// var cos = Math.cos( now ),
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// sin = Math.sin( now );
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// $wrap.css( 'filter', "progid:DXImageTransform.Microsoft.Matrix(M11=" + cos + ",M12=" + (-sin) + ",M21=" + sin + ",M22=" + cos + ",SizingMethod='auto expand')");
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// }
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// });
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}
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});
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$li.appendTo( $queue );
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}
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// 负责view的销毁
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function removeFile( file ) {
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var $li = $('#'+file.id);
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delete percentages[ file.id ];
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updateTotalProgress();
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$li.off().find('.file-panel').off().end().remove();
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}
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function updateTotalProgress() {
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var loaded = 0,
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total = 0,
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spans = $progress.children(),
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percent;
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$.each( percentages, function( k, v ) {
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total += v[ 0 ];
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loaded += v[ 0 ] * v[ 1 ];
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} );
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percent = total ? loaded / total : 0;
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spans.eq( 0 ).text( Math.round( percent * 100 ) + '%' );
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spans.eq( 1 ).css( 'width', Math.round( percent * 100 ) + '%' );
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updateStatus();
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}
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function updateStatus() {
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var text = '', stats;
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if ( state === 'ready' ) {
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text = '选中' + fileCount + '张图片，共' +
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WebUploader.formatSize( fileSize ) + '。';
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} else if ( state === 'confirm' ) {
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stats = uploader.getStats();
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if ( stats.uploadFailNum ) {
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text = '已成功上传' + stats.successNum+ '张照片至XX相册，'+
|
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stats.uploadFailNum + '张照片上传失败，<a class="retry" href="#">重新上传</a>失败图片或<a class="ignore" href="#">忽略</a>'
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}
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} else {
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stats = uploader.getStats();
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text = '共' + fileCount + '张（' +
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WebUploader.formatSize( fileSize ) +
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'），已上传' + stats.successNum + '张';
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if ( stats.uploadFailNum ) {
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text += '，失败' + stats.uploadFailNum + '张';
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}
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}
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$info.html( text );
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}
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function setState( val ) {
|
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var file, stats;
|
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if ( val === state ) {
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return;
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}
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$upload.removeClass( 'state-' + state );
|
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$upload.addClass( 'state-' + val );
|
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state = val;
|
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|
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switch ( state ) {
|
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case 'pedding':
|
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$placeHolder.removeClass( 'element-invisible' );
|
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$queue.hide();
|
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$statusBar.addClass( 'element-invisible' );
|
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uploader.refresh();
|
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break;
|
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|
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case 'ready':
|
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$placeHolder.addClass( 'element-invisible' );
|
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$( '#filePicker2' ).removeClass( 'element-invisible');
|
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$queue.show();
|
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$statusBar.removeClass('element-invisible');
|
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uploader.refresh();
|
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break;
|
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|
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case 'uploading':
|
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$( '#filePicker2' ).addClass( 'element-invisible' );
|
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$progress.show();
|
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$upload.text( '暂停上传' );
|
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break;
|
||
|
||
case 'paused':
|
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$progress.show();
|
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$upload.text( '继续上传' );
|
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break;
|
||
|
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case 'confirm':
|
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$progress.hide();
|
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$( '#filePicker2' ).removeClass( 'element-invisible' );
|
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$upload.text( '开始上传' );
|
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|
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stats = uploader.getStats();
|
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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();
|
||
}
|
||
|
||
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 ) {
|
||
var stats;
|
||
switch( type ) {
|
||
case 'uploadFinished':
|
||
setState( 'confirm' );
|
||
break;
|
||
|
||
case 'startUpload':
|
||
setState( 'uploading' );
|
||
break;
|
||
|
||
case 'stopUpload':
|
||
setState( 'paused' );
|
||
break;
|
||
|
||
}
|
||
});
|
||
|
||
uploader.onError = function( code ) {
|
||
alert( 'Eroor: ' + 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();
|
||
});
|
||
|
||
})( jQuery ); |