Extjs 之获取数据

  //获取数据 v
            Ext.Ajax.request({
                url: ctx + '/menuItem/load.ssm',
                method : 'post',
                params : {
                    'menuItemWid' : current_edit_menuitem_wid
                },
                success : function(response, options) {
                    var rev = Ext.util.JSON.decode(response.responseText);
                    if (rev.success) {
                        var data = rev.data;
                        menuTpl.overwrite(detailPanel.body, data);
                    }
                    else {
                        alert('创建菜单项失败！');
                    }
                },
                failure : function(response, options) {
                    alert('创建菜单项失败！');
                }
            });