Extjs4.2 grid Store 删除问题

解决grid该页删除后向前跳页的问题

if((Ext.getCmp("nutchConfigurationGrid").getStore().totalCount-1)%Ext.getCmp('nutchConfigurationGrid').getStore().pageSize==0){

                    var pageIndex = (Ext.getCmp("nutchConfigurationGrid").getStore().totalCount-idArray.length)/Ext.getCmp('nutchConfigurationGrid').getStore().pageSize;

                       

                        if(pageIndex != 0){ //indicate that there has data after delete

                        Ext.getCmp('nutchConfigurationGrid').getStore().currentPage = 1;

                       }else{

                        Ext.getCmp('nutchConfigurationGrid').getStore().currentPage = pageIndex;

                       }

}

                       Ext.getCmp("nutchConfigurationGrid").getStore().load();