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百度多图上传

时间:2019-01-02 19:03:11      阅读:155      评论:0      收藏:0      [点我收藏+]

标签:startup   var   ==   span   can   idt   dex   包括   ddc   

HTML

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
    <title>WebUploader演示</title>
    <link href="~/Assets/WebUploader/webuploader.css" rel="stylesheet" />
    <link href="~/Assets/WebUploader/style.css" rel="stylesheet" />
</head>
<body>
    <div 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>或将照片拖到这里,单次最多可选300张</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>
    <script src="~/Assets/WebUploader/jquery.js"></script>
    <script src="~/Assets/WebUploader/webuploader.js"></script>
</body>
</html>
<script type="text/javascript">
    (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 ),

            // 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: 点击选择图片
            },
            formData: {
                uid: 123
            },
            dnd: #dndArea,
            paste: #uploader,
            swf: ~/Areas/Test/webuploader/Uploader.swf,
            chunked: false,
            chunkSize: 512 * 1024,
            server: @Url.Action("UpLoadProcess"),
            // runtimeOrder: ‘flash‘,

            // accept: {
            //     title: ‘Images‘,
            //     extensions: ‘gif,jpg,jpeg,bmp,png‘,
            //     mimeTypes: ‘image/*‘
            // },

            // 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: 300,
            fileSizeLimit: 200 * 1024 * 1024,    // 200 M
            fileSingleSizeLimit: 50 * 1024 * 1024    // 50 M
        });

        // 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;
        //     });
        // });

        // 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;
        });

        // 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 {

                $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 + 张图片,共 +
                        WebUploader.formatSize( fileSize ) + ;
            } else if ( state === confirm ) {
                stats = uploader.getStats();
                if ( stats.uploadFailNum ) {
                    text = 已成功上传 + stats.successNum+ 张照片至XX相册,+
                        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>
                }

            } else {
                stats = uploader.getStats();
                text =  + fileCount + 张( +
                        WebUploader.formatSize( fileSize )  +
                        ),已上传 + stats.successNum + ;

                if ( stats.uploadFailNum ) {
                    text += ,失败 + stats.uploadFailNum + ;
                }
            }

            $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();
            }

            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 );

</script>

 控制器

public ActionResult UpLoadProcess(string id, string name, string type, string lastModifiedDate, int size, HttpPostedFileBase file)
{
  //保存到临时文件夹
  string urlPath = "../Upload/temp";
  string filePathName = string.Empty;

  string localPath = Path.Combine(HttpRuntime.AppDomainAppPath, "Upload/temp");
  if (Request.Files.Count == 0)
  {
    return Json(new { jsonrpc = 2.0, error = new { code = 102, message = "保存失败" }, id = "id" });
  }

  string ex = Path.GetExtension(file.FileName);
  filePathName = Guid.NewGuid().ToString("N") + ex;
  if (!System.IO.Directory.Exists(localPath))
  {
    System.IO.Directory.CreateDirectory(localPath);
  }
  file.SaveAs(Path.Combine(localPath, filePathName));

  return Json(new
  {
    jsonrpc = "2.0",
    id = id,
    filePath = urlPath + "/" + filePathName//返回一个视图界面可直接使用的url
  });

}

百度多图上传

标签:startup   var   ==   span   can   idt   dex   包括   ddc   

原文地址:https://www.cnblogs.com/zldqpm/p/10209705.html

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