layui upload封装

<link rel="stylesheet" href="layui/css/layui.css">
<script src="js/jquery.min.1.11.3.js"></script>
<script src="layui/layui.js"></script>

<button type="button" class="layui-btn" id="test1">
  <i class="layui-icon"></i>上传图片
</button>

<button type="button" class="layui-btn" id="uploadPic">
  <i class="layui-icon"></i>上传图片2
</button>

<script> 
	;(function(){
		//定义构造函数
		var Upfile = function(ele,opt){
			this.defaults = {
				//elem:'#uploadPic'	//绑定元素
				elem:$(ele)	//绑定元素
				,url:'http://localhost:8080/demo/import'	//上传接口
				,method:'post'
				,done:function(res){
					console.log(JSON.stringify(res));
				}
				,error:function(res){
					//上传失败
					console.log(JSON.stringify(res));
				}
			}
			this.options = $.extend({}, this.defaults ,opt);
		};
		
		//定义方法
		Upfile.prototype = {
			init:function(){
				var _this = this;
				return layui.use('upload',function(){
					var upload = layui.upload;
					
					//执行实例
					var uploadInst = upload.render(_this.options);						
				});
			}
		};
		
		//在插件中使用对象
		$.fn.upfile = function(options){
			var upfile = new Upfile(this,options);
			return upfile.init();
		}
	})();
	
	//上传
	$('#uploadPic').upfile({
		done:function(res){
			console.log(111);
		}
	});
	$('#test1').upfile();

</script>