一.将up和down按钮放到tbar中,然后选中grid行即可实现上移和下移 var up = new Ext.Action({ text : 'Up', icon : 'up.png',//或者添加样式iconCls disabled : true, handler : function() { var record = grid.getSelectionModel().getSelected(); if (record) { var index = grid.store.indexOf(re