Merge branch 'testBLK' into portal_dev_4.9

@@ -13,7 +13,7 @@ var components=function(el,option){
     };
     this.el = el;
     this.option = option || {};
-}
+};
 components.prototype={
     constructor:components,
     on: function(name, callback) {
@@ -163,6 +163,19 @@ components.prototype={
                         } else {
                             that.$tip(response.message);
                         }
+                    },
+                    'onStart': function(params) {
+                        //图片限制参数
+                        if($(this).attr("fileType")){
+                            console.log("fileType：" + $(this).attr("fileType"));
+                            params.limitType = $(this).attr("fileType");
+                        }
+                        if($(this).attr("bucket")){
+                            params.bucket = $(this).attr("bucket");
+                        }
+                        that.__listen("callback", {
+                            key: "file_onStart_" + $(this).attr("id")
+                        });
                     }
                 });
             });