easyUI，datagrid，给日期控件（datebox）、日期时间控件增加（datetimebox）清空按钮

//给日期控件、日期时间控件增加清除按钮
$.fn.datetimebox.defaults.cleanText = '清空';
$.fn.datebox.defaults.cleanText = '清空';
(function ($) {var buttons = $.extend([], $.fn.datebox.defaults.buttons);buttons.splice(1, 0, {text: function (target) {return $(target).datebox("options").cleanText},handler: function (target) {$(target).datebox("setValue", "");$(target).datebox("hidePanel");}});$.extend($.fn.datebox.defaults, {buttons: buttons});var buttons = $.extend([], $.fn.datetimebox.defaults.buttons);buttons.splice(1, 0, {text: function (target) {return $(target).datetimebox("options").cleanText},handler: function (target) {$(target).datetimebox("setValue", "");$(target).datetimebox("hidePanel");}});$.extend($.fn.datetimebox.defaults, {buttons: buttons});})(jQuery)