~(function(win){
    var htmls = '<input type="file" name="imgFiles" id="imgFiles" class="imgFiles" style="display: none" accept="image/gif,image/jpeg,image/jpg,image/png,image/svg" multiple>'+
        '<div class="imgAll">'+
        '    <ul>'+
        '    </ul>'+
        '</div>'+
        '<div class="upload_img imgClick">'+
        '<span class="add"></span>'+
        '<span class="img_len"><i>0</i>/6</span>'+
        '</div>';
    var ImgUploadeFiles = function(obj,fn){
        var _this = this;
        this.bom = document.querySelector(obj);
        if(fn) fn.call(_this);
        this.ready();
    };
    ImgUploadeFiles.prototype = {
        init : function(o){
            this.MAX = o.MAX || 5;
            this.callback = o.callback;
            this.MW = o.MW || 10000;
            this.MH = o.MH || 10000;
            this.FileSize=o.FileSize || 4194304;
        },
        ready : function(){
            var _self = this;
            this.dom = document.createElement('div');
            this.dom.className = 'imgFileUploade';
            this.dom.innerHTML = htmls;
            this.bom.appendChild(this.dom);
            this.files = this.bom.querySelector('.imgFiles');
            this.fileClick = this.bom.querySelector('.imgClick');
            this.fileBtn(this.fileClick,this.files);
        },
        fileBtn : function(c,f){
            var _self = this;
            var _imgAll = $(c).parent().find('.imgAll ul');
            $(c).off().on('click',function(){
                $(f).click();
                $(f).off().on('change',function(){
                    var _this = this;
                    _private.startUploadImg(_imgAll,_this.files,_self.MAX,_self.callback,_self.MW,_self.MH,_self.FileSize);
                });
            });
        }
    };
    var _dataArr = [];
    var _private = {
        //开始上传Img
        startUploadImg : function(o,files,MAX,callback,W,H,FileSize){
            _dataArr.length = 0;
            var _this = this;
            var fileImgArr = [];

            if(files.length > MAX ){
                alert('Image cannot be larger than '+ MAX +' sheets');
                return false;
            };
            var lens = $(o).find('li').length ;
            if(lens >= MAX ){
                alert('Image cannot be larger than '+ MAX +' sheets');
                return false;
            };

            for(var i=0,file;file=files[i++];){
                if(file.size>=FileSize )
                {
                    alert('FileName is '+ file.name +'\rImage cannot be larger than '+ parseInt(FileSize/1024/1024)+'MB ')
                    continue;
                }
                var reader = new FileReader();
                reader.onload = (function(file){
                    return function(ev){
                        var image = new Image();
                        image.onload=function(){
                            var width = image.width;
                            var height = image.height;
                            fileImgArr.push({
                                fileSrc : ev.target.result,
                                fileName : file.name,
                                fileSize : file.size,
                                height : height,
                                width: width,
                                fileModel: file
                            });
                        };
                        image.src= ev.target.result;
                    };
                })(file);
                reader.readAsDataURL(file);
            }
            //创建分时函数
            var imgTimeSlice = _this.timeChunk(fileImgArr,function(file){
                if(file.width > W || file.height > H){
                    alert('Image cannot be larger than '+W+'*'+H+' px');
                    return false;
                }
                //调用图片类
                var up = new ImgFileupload(o, file.fileName, file.fileSrc, file.fileSize, callback, MAX, file.fileModel);
                return up.init();
            },1);
            var ret = imgTimeSlice(); //调用分时函数
        },
        timeChunk : function(arr, fn, count) {
            var obj, t;
            var len = arr.length;
            var start = function() {
                for (var i = 0; i < Math.min(count || 1, arr.length); i++) {
                    var obj = arr.shift();
                    var ret = fn(obj);
                    if (ret == false)
                    {
                        clearInterval(t);
                        break;
                    }
                }
            };
            return function() {
                t = setInterval(function() {
                    if (arr.length === 0) {
                        return clearInterval(t);
                    }
                    start();
                },200)
            }
        }
    };

    var ImgFileupload = function (b, imgName, imgSrc, imgSize, callback, MAX, fileModel){
        this.b = b;
        this.imgName = imgName;
        this.imgSize = imgSize;
        this.imgSrc = imgSrc;
        this.callback = callback;
        this.MAX = MAX;
        this.fileModel = fileModel;
    };
    var _delId = 0; //删除id用于判断删除个数
    ImgFileupload.prototype.init =function() {
        _delId++;
        var _self = this;
        this.dom = document.createElement('li');
        this.dom.innerHTML = '    <img src="" alt="" data-src="'+this.imgSrc +'" class="imsg">' + '    <i class="delImg"></i>';
        $(this.dom).attr({ 'data-delId': _delId, 'data-delName': this.imgName });
        $(this.dom).data("file", this.fileModel);
        if($(".imgAll li").length>=this.MAX){
            alert('Image cannot be larger than '+ this.MAX +' sheets');
            return false;
        }else{
            $(this.b).append(this.dom);
        }
        var _Img = new Image();
        _Img.src = $(this.dom).find('img').attr('data-src');
        _Img.onload = function(){
            $(_self.dom).find('img').attr('src',_Img.src);
        }
        _dataArr.push({'delId' :_delId,src :  this.imgSrc});
        _self.callback(_dataArr);
        $(".img_len").find("i").text($(".imgAll li").length);
        var _delAll = $(this.b).find('.delImg');
        for(var i=0;i<_delAll.length;i++){
            $(_delAll[i]).off().on('click',function(){
                $(this).parent().fadeOut('slow',function(){
                    $(this).remove();
                    $(".img_len").find("i").text($(".imgAll li").length);
                });
                var _deid = $(this).parent().attr('data-delId');
                for(var n=0;n<_dataArr.length;n++){
                    if(_dataArr[n].delId == _deid){
                        _dataArr.splice(n,1);
                    }
                }
                _self.callback(_dataArr);
            });
        };
        var _Imgpreview = $(this.b).find('img');
        for(var k=0;k<_Imgpreview.length; k++){
            $(_Imgpreview[k]).off().on('click',function(){
                console.log($(this).attr('src'))
            })
        }
    }
    win.ImgUploadeFiles = ImgUploadeFiles;
})(window);