extjs 回车键

    dockedItems:[{
        xtype:'toolbar',
        items:[{

                 xtype:'textfield',
                id:'processUser',
                name:'processUser',
                labelWidth:50,
                fieldLabel:'理货员',
                enableKeyEvents:true,
                listeners:{
                    keyup:function (value, e,  eOpts) {
                        page_param={processUser:"",start:0,limit: 20};
                        if (e.getKey() == e.ENTER && this.getValue().length > 0) {
                            page_param={processUser:value.getValue(),start:0,limit: 20};
                            Ext.getCmp("personnelStatGrid").getStore().load({params:{processUser:value.getValue()}});
                        }else if(e.getKey() == e.ENTER && this.getValue().length == 0){
                            Ext.getCmp("personnelStatGrid").getStore().load({callback:function(r, options, success){
                                if (success) {
                                    var currentpage = Ext.getCmp("personnelStatPagingToolbar").store.currentPage;
                                    var totalpage = Ext.getCmp("personnelStatPagingToolbar").store.totalCount / Ext.getCmp("personnelStatPagingToolbar").store.pageSize + 1;
                                    if (currentpage > totalpage ){
                                        Ext.getCmp("personnelStatPagingToolbar").moveFirst();
                                    }
                                }else{
                                    Ext.getCmp('personnelStatGrid').store.removeAll();
                                }
                            }});
                        }
                    }
                }
            }]}]