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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                ## Webuploader整合ThinkPHP上傳學習筆記 **水月居** #### 一、在項目配置文件中增加模板配置變量 __WEBUPLOADER__=> '__WEBUPLOADER__'=> __ROOT__ . '/Public/js/ext/webuploader' //你的webuplder所在文件位置 #### 二、upload.js 需修改項 // swf文件路徑 swf: “../Uploader.swf”//原始mode swf: “__WEBUPLOADER__ /Uploader.swf”, //注意要加上”” server:”../uploader.php”// server: “__CONTROLLER__/webuploader”, 也可以采用ThinkPHP3.2.3的U函數生成'{:U("webuploader ")}' #### 三、 增加在頁面顯示圖片 在 function addFile( file ) { ....... }中添加顯示文件代碼 // 當有文件添加進來時執行,負責view的創建 ~~~ var $li = $( '<li id="' + file.id + '">' + '<p class="title">' + file.name + '</p>' + '<p class="imgWrap"></p>'+ '<p class="progress"><span></span></p>' + '<input type="hidden"class="up-filesname" name="image[]" >'+ '</li>' ), $btns = $('<div class="file-panel">' + '<span class="cancel">刪除</span>' + '<span class="rotateRight">向右旋轉</span>' + '<span class="rotateLeft">向左旋轉</span></div>').appendTo( $li ), $prgress = $li.find('p.progress span'), $wrap = $li.find( 'p.imgWrap' ), $info = $('<p class="error"></p>'), ~~~ #### 四、上傳控制器增加返回參數tajax-return() data返回函數如下 data=array('file_url'=>$file['savepath].$file['savename]); ~~~ $data=array(); if(!$info){ // 返回錯誤信息 $error=$upload->getError(); $data['error_info']=$error; $data['valid']=0; }else{ // 返回成功信息 foreach($info as $file){ $data['file_url']=trim($file['savepath'].$file['savename'],'.'); $data['valid']=1; } } // echo json_encode($data); $this->ajaxReturn($data); ~~~ #### 五、增加頁面提交文件上傳后的file_url相關信息 在 uploader.onUploadSuccess=function(file ,response){....}中添加 ~~~ uploader.onUploadSuccess=function(file ,response){ alert('輸出文件是:'+ response.file_url); $('#'+file.id +' .up-filesname').val(response.file_url); } ~~~ 1. 附upload.js解釋 ~~~ <script type="text/javascript" > (function( $ ){ // 當domReady的時候開始初始化 $(function() { var $wrap = $('.uploader-list-container'), // 圖片容器 $queue = $( '<ul class="filelist"></ul>' ) .appendTo( $wrap.find( '.queueList' ) ), // 狀態欄,包括進度和控制按鈕 $statusBar = $wrap.find( '.statusBar' ), // 文件總體選擇信息。 $info = $statusBar.find( '.info' ), // 上傳按鈕 $upload = $wrap.find( '.uploadBtn' ), // 沒選擇文件之前的內容。 $placeHolder = $wrap.find( '.placeholder' ), $progress = $statusBar.find( '.progress' ).hide(), // 添加的文件數量 fileCount = 0, // 添加的文件總大小 fileSize = 0, // 優化retina, 在retina下這個值是2 ratio = window.devicePixelRatio || 1, // 縮略圖大小 thumbnailWidth = 110 * ratio, thumbnailHeight = 110 * ratio, // 可能有pedding, ready, uploading, confirm, done. state = 'pedding', // 所有文件的進度信息,key為file id percentages = {}, // 判斷瀏覽器是否支持圖片的base64 isSupportBase64 = ( function() { var data = new Image(); var support = true; data.onload = data.onerror = function() { if( this.width != 1 || this.height != 1 ) { support = false; } } data.src = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw=="; return support; } )(), // 檢測是否已經安裝flash,檢測flash的版本 flashVersion = ( function() { var version; try { version = navigator.plugins[ 'Shockwave Flash' ]; version = version.description; } catch ( ex ) { try { version = new ActiveXObject('ShockwaveFlash.ShockwaveFlash') .GetVariable('$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實例 uploader; // 實例化 uploader = WebUploader.create({ pick: { id: '#filePicker-2', label: '點擊選擇圖片' }, formData: { uid: 123 }, dnd: '#dndArea', paste: '#uploader', swf: "__WEBUPLOADER__/Uploader.swf", chunked: false, chunkSize: 512 * 1024, server: '{:U("webup")}', // runtimeOrder: 'flash', accept: { title: 'Images', extensions: 'gif,jpg,jpeg,bmp,png', mimeTypes: 'image/*' }, // 禁掉全局的拖拽功能。這樣不會出現圖片拖進頁面的時候,把圖片打開。 disableGlobalDnd: true, fileNumLimit: 300, fileSizeLimit: 200 * 1024 * 1024, // 200 M fileSingleSizeLimit: 50 * 1024 * 1024 // 50 M }); // 拖拽時不接受 js, txt 文件。 uploader.on( 'dndAccept', function( items ) { var denied = false, len = items.length, i = 0, // 修改js類型 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('dialogOpen', function() { console.log('here'); }); // 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; // }); // }); // 添加“添加文件”的按鈕, uploader.addButton({ id: '#filePicker2', label: '繼續添加' }); uploader.on('ready', function() { window.uploader = uploader; }); // 當有文件添加進來時執行,負責view的創建 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>' + '<input type="hidden"class="up-filesname" name="image[]" >'+ '</li>' ), $btns = $('<div class="file-panel">' + '<span class="cancel">刪除</span>' + '<span class="rotateRight">向右旋轉</span>' + '<span class="rotateLeft">向左旋轉</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 = '上傳暫停'; break; default: text = '上傳失敗,請重試'; break; } $info.text( text ).appendTo( $li ); }; if ( file.getStatus() === 'invalid' ) { showError( file.statusText ); } else { // @todo lazyload $wrap.text( '預覽中' ); uploader.makeThumb( file, function( error, src ) { var img; if ( error ) { $wrap.text( '不能預覽' ); 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("預覽出錯"); } }); } }, 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 ); } // 負責view的銷毀 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 = '選中' + fileCount + '張圖片,共' + WebUploader.formatSize( fileSize ) + '。'; } else if ( state === 'confirm' ) { stats = uploader.getStats(); if ( stats.uploadFailNum ) { text = '已成功上傳' + stats.successNum+ '張照片至XX電腦,'+ stats.uploadFailNum + '張照片上傳失敗,<a class="retry" href="#">重新上傳</a>失敗圖片或<a class="ignore" href="#">忽略</a>' } } else { stats = uploader.getStats(); text = '共' + fileCount + '張(' + WebUploader.formatSize( fileSize ) + '),已上傳' + stats.successNum + '張'; if ( stats.uploadFailNum ) { text += ',失敗' + stats.uploadFailNum + '張'; } } $info.html( text ); } uploader.onUploadSuccess=function(file ,response){ alert('輸出文件是:'+ response.name); //alert(response.url); $('#'+file.id +' .up-filesname').val(response.name); } uploader.onUploadError=function(file){ alert("錯誤:" + fileError); } 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( '暫停上傳' ); break; case 'paused': $progress.show(); $upload.text( '繼續上傳' ); break; case 'confirm': $progress.hide(); $( '#filePicker2' ).removeClass( 'element-invisible' ); $upload.text( '開始上傳' ); stats = uploader.getStats(); if ( stats.successNum && !stats.uploadFailNum ) { setState( 'finish' ); return; } break; case 'finish': stats = uploader.getStats(); if ( stats.successNum ) { // alert( '上傳成功' ); } else { // 沒有成功的圖片,重設 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; } }); /** * 驗證文件格式以及文件大小 */ uploader.on("error",function (type){ if (type=="Q_TYPE_DENIED"){ alert("請上傳JPG、PNG格式文件"); }else if(type=="F_EXCEED_SIZE"){ alert("文件大小不能超過8M"); } }); $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 ); </script> ~~~
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