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| ~(function(win){
var htmls = '<input type="file" name="" id="" class="imgFiles" style="display: none" accept="image/gif,image/jpeg,image/jpg,image/png,image/svg" multiple>'+
'<div class="header">'+
' <span class="imgTitle">'+
' 点击添加'+
' </span>'+
' <span class="imgClick">'+
' </span>'+
' <span class="imgcontent">'+
' 请上传'+
' </span>'+
'</div>'+
'<div class="imgAll">'+
' <ul>'+
' </ul>'+
'</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;
},
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);
this.imgcontent = this.bom.querySelector('.imgcontent');
this.imgcontent.innerHTML = '限制上传 <b style="color:red">'+this.MAX+'</b>张 '+_self.MW+' * '+_self.MH+'像素的图片';
},
fileBtn : function(c,f){
var _self = this;
var _imgAll = $(c).parent().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);
});
});
}
};
var _dataArr = [];
var _private = {
startUploadImg : function(o,files,MAX,callback,W,H){
_dataArr.length = 0;
var _this = this;
var fileImgArr = [];
if(files.length > MAX ){
alert('不能大于'+MAX+'张');
return false;
};
var lens = $(o).find('li').length ;
if(lens >= MAX ){
alert('不能大于'+MAX+'张');
return false;
};
for(var i=0,file;file=files[i++];){
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
});
};
image.src= ev.target.result;
};
})(file);
reader.readAsDataURL(file);
}
var imgTimeSlice = _this.timeChunk(fileImgArr,function(file){
if(file.width > W || file.height > H){
alert('图片不能大于'+W+'*'+H+'像素');
return false;
}
var up = new ImgFileupload(o,file.fileName,file.fileSrc,file.fileSize,callback);
up.init();
},1);
imgTimeSlice();
},
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();
fn(obj)
}
};
return function() {
t = setInterval(function() {
if (arr.length === 0) {
return clearInterval(t);
}
start();
},200)
}
}
};
var ImgFileupload = function(b,imgName,imgSrc,imgSize,callback){
this.b = b;
this.imgName = imgName;
this.imgSize = imgSize;
this.imgSrc = imgSrc;
this.callback = callback;
};
var _delId = 1;
ImgFileupload.prototype.init =function() {
_delId++;
var _self = this;
this.dom = document.createElement('li');
this.dom.innerHTML =
' <img src="/libs/img-file-update/img/login.gif" alt="" data-src="'+this.imgSrc +'" class="imsg">'+
' <i class="delImg">'+
' X'+
' </i>';
$(this.dom).attr({'data-delId':_delId,'data-delName':this.imgName});
$(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);
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();
});
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);
|
