• TP5.0整合webuploader实现多图片上传功能


    在https://github.com/fex-team/webuploader 下载webuploader并解压,
    解压后放到public里面。其中我把解压缩后的文件夹改名为webuploader,放到了public/static/文件夹下。

    将你放到public下的webuploader文件夹中的examples/imageupload/index.html复制到在对应需要文件上传功能的视图文件夹下面
    将其中的css和js文件路径进行替换,ThinkPHP5.0中 __STATIC__直接指向了项目下的public/static文件下
    下面这里的有点长,如果需要知道哪段是自己添加的 可搜索 ‘自己添加的’
    这几个字,有注释的

    <!DOCTYPE html>
    <html lang="zh-CN">
    <head>
        <meta charset="UTF-8">
        <title>WebUploader演示</title>
        <link rel="stylesheet" type="text/css" href="__STATIC__/webuploader/css/webuploader.css" />
        <link rel="stylesheet" type="text/css" href="__STATIC__/webuploader/examples/imageupload/style.css" />
    </head>
    <body>
    <!--这段form用于提交路径和其他表单信息 自己添加的-->
    <form action="{:url('gjourney/gjourney_add')}" method="post">
             <input type="hidden" id="image_url" name="image_url" />
             <input type="submit" value="提交">
        </form>
    <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 type="text/javascript" src="__STATIC__/webuploader/examples/imageupload/jquery.js"></script>
    <script type="text/javascript" src="__STATIC__/webuploader/dist/webuploader.js"></script>
    <script>//**其实这一段js就是upload.js粘过来的,改成自己的路径**
    
         var imgurl = new Array();//这个是自己添加的,用于把多张图片的路径放到这个jQuery数组中然后赋值到表单提交
         
         (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: '__STATIC__/webuploader/dist/Uploader.swf',//改成自己的路径
                chunked: false,
                chunkSize: 512 * 1024,
                server: "{:url('gjourney/imageupload')}",//自己后台文件上传的路径
                // 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('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”的按钮,
            uploader.addButton({
                id: '#filePicker2',
                label: '继续添加'
            });
    
            uploader.on('ready', function() {
                window.uploader = uploader;
            });
            
            /**底下的uploadSuccess也是自己添加的,用来接收控制器返回的图片路径**/
            uploader.on('uploadSuccess',function(file,response){
                
                imgurl.push(response);//控制器返回多张图片路径追加到刚开始声明的imgurl数组中
                $("#image_url").val(imgurl);//然后赋给hidden表单
           
               // alert(imgurl);
            });
    
            // 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('__STATIC__/webuploader/server/preview.php', {//这里的路径也改成自己自资源的路径
                                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' ) {
                        $info.remove();
                        $prgress.css('display', 'block');
                        percentages[ file.id ][ 1 ] = 0;
                    } else if ( cur === 'progress' ) {
                        $info.remove();
                        $prgress.css('display', 'block');
                    } else if ( cur === 'complete' ) {
                        $prgress.hide().width(0);
                        $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>
    </body>
    </html>

    如果直接引入的upload.js,而不是直接粘过来的话
    就需要找到webuploader/examples/imageupload/upload.js文件,在第154行,或者搜索server,将后台地址改为你想要的地址(其实就是指的文件上传的方法的地址),我的改成了’imgupload’ 注意经过我多次试验,’{:url(“”)}’助手函数不会被解析,这里不能使用。

    效果:

    文件上传的后台方法
    将ThinkPHP5文档中关于图片上传的代码写进去,将请求的名称改成file。

    public function imgupload()
        {
             $file = request()->file('file');
           // 移动到框架应用根目录/public/uploads/ 目录下
               $info = $file->move(ROOT_PATH . 'public' . DS . 'uploads');
              if($info){
                   // 成功上传后 获取上传信息
                   // 输出 jpg
                 
                    $data['path']=str_replace('\',"/","/uploads/".$info->getSaveName()); 
                    
                    return json_encode($data['path']);//把路径ajax用json方式返回到视图中
                   
               }else{
                   // 上传失败获取错误信息
                   echo $file->getError();
               }
               
               
        }

    具体上传到那个文件夹、上传大小类型后缀的验证、文件的命名规则等,根据自己需要进行书写。注意这里虽然是多图上传,但上传时候的循环已经被插件封装好了,不需要我们使用多图上传中的循环方式进行上传。

    上传界面如下

    提交了,打印出来的路径
    要改这个插件的大小和位置的话在style.css里的#wrapper里margin的属性值和witch的属性值,具体大小自己调。

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  • 原文地址:https://www.cnblogs.com/yszr/p/11540926.html
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