Merge pull request #74214 in DEC/fineui from master to feature/x

* commit '87b3e6781e00992e6fb09b34de1e50d795a7c510':
  无JIRA任务 simple

src/widget/datetime/datetime.combo.js

@@ -9,9 +9,9 @@ BI.DateTimeCombo = BI.inherit(BI.Single, {
         border: 1,
         iconWidth: 24
     },
-    _defaultConfig: function () {
+    _defaultConfig: function (conf) {
         return BI.extend(BI.DateTimeCombo.superclass._defaultConfig.apply(this, arguments), {
-            baseCls: "bi-date-time-combo bi-border bi-border-radius",
+            baseCls: "bi-date-time-combo bi-focus-shadow " + (conf.simple ? "bi-border-bottom" : "bi-border bi-border-radius"),
             width: 200,
             height: 24,
             minDate: "1900-01-01",