chore: 整理代码

src/base/combination/combo.js

@@ -302,6 +302,14 @@
             delete needHideWhenAnotherComboOpen[this.getName()];
         }
     });
+    BI.Combo.closeAll = function () {
+        BI.each(needHideWhenAnotherComboOpen, function (i, combo) {
+            if (combo) {
+                combo.hideView();
+            }
+        });
+        needHideWhenAnotherComboOpen = {};
+    };
     BI.Combo.EVENT_TRIGGER_CHANGE = "EVENT_TRIGGER_CHANGE";
     BI.Combo.EVENT_CHANGE = "EVENT_CHANGE";
     BI.Combo.EVENT_EXPAND = "EVENT_EXPAND";