// 上传回调

        // resultList -> ['file1', 'file2'] 为上传成功的file name

        var uploadCallback = function(resultList){

            console.log(JSON.stringify(resultList));

            var i = 0;

            for(; i < resultList.length; i++){

                var index = resultList[i].substr('file'.length);

                $(':checkbox[value=' + index + ']').parent().parent().remove();

            }

        };

        $(function(){

            // 保存图片旋转的角度，以便提交给服务端处理

            var rotateAng = {};

            // 用于命名后缀的序号

            var cc = 0;

            // 如果是chrome/ff，需要用file api去生成img

            var genImgTpl = function(input, index){

                return '<img src="/webx/public/1.png" class="main" id="img' + index + '" />';

            };

            var readImgFromInput = function(_input, index){

                var inputDom = _input[0];

                // chrome/ff

                if(inputDom['files']){

                    var reader = new FileReader();

                    reader.onload = function(e){

                        $('img.main:last').attr({src : e.target.result});

                    }

                    reader.readAsDataURL(inputDom['files'][0]);

                }else{

                    var src = _input[0].value;

                    var imgDom = $('#img' + index);

                    imgDom.attr('src-old', src);

                    imgDom.css({

                        float: 'left',

                        position: 'relative',

                        overflow: 'hidden',

                        width: '195px',

                        height: '195px'

                    });

                    imgDom.css({'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled='true',sizingMethod='scale',src=\"" + src + "\")"});

                }

            };

            var showImg = function(_input){

                var index = ++cc;

                _input.addClass('hide');

                _input.attr('name', 'file' + index);

                _input.attr('data-index', index);

                var iframeWin = $('#choose')[0].contentWindow;

                iframeWin.addInput(_input);

                var tpl = '<div>' + genImgTpl(_input, index) +

                    '<span class="choose"><input type="checkbox" value="' + index + '" checked="true" /></span>' +

                    '<span class="opts turn-right"><img src="img/rightBtn.png" /></span>' +

                    '</div>';

                $('#imgDiv').append(tpl);

                readImgFromInput(_input, index);

            };

            var addAnother = function(){

                $('#uploadBtn').before('<input type="file" name="file" />');

            };

            // input[type=file]的绑定事件

            $('#uploadDiv input').live('change', function(){

                var path = this.value;

                if(!path){

                    return;

                }

                showImg($(this));

                addAnother();

            });

            // 可以在checkbox时候remove input

//            $('#imgDiv input:checkbox').live('change', function(){

//                var isChecked = $(this).is(':checked');

//                console.log(isChecked);

//            });

            $('#imgDiv span.turn-right').live('click', function(){

                // 上次旋转的角度

                var index = $(this).siblings('span.choose').find('input').val();

                var oldAng = rotateAng[index] || 0;

                var newAng = oldAng + 90;

                rotateAng[index] = newAng;

                $('#img' + index).rotate(90);

            });

            // 表单提交时候根据checkbox，删除未choose的input[type=file]

            $('#uploadBtn').click(function(){

                var choosedNum = $('#imgDiv input:checkbox').filter(':checked').length;

                if(!choosedNum){

                    alert('请选择上传文件！');

                    return false;

                }

                // 选中的序号数组

                var choosedIndexList = $('#imgDiv input:checkbox').filter(':checked').map(function(){

                    return this.value;

                }).get();

                // 两个iframe，一个用于保存选择的input[type=file]

                // 一个用于form upload

                var uploadIframe = $('#upload')[0].contentWindow;

                var chooseIframe = $('#choose')[0].contentWindow;

                var i = 0;

                for(; i < choosedIndexList.length; i++){

                    var index = choosedIndexList[i];

                    var inputFile = chooseIframe.$('#uploadDiv input').filter('[data-index=' + index + ']');

                    uploadIframe.$('#uploadForm').append(inputFile);

                    // 旋转度数

                    var ang = rotateAng[index] || 0;

                    if(ang % 360 != 0){

                        var tplInput = '<input type="hide" name="ang' + index + '" value="' + ang + '" />';

                        uploadIframe.$('#uploadForm').append(tplInput);

                    }

                }

                uploadIframe.doUpload();

                return false;

            });

        });