Extjs4

listeners:{  

                'itemcontextmenu':function(view,record,item,index,e,eOpts){  

                    //禁用浏览器的右键相应事件  

                    e.preventDefault();  

                    e.stopEvent();  

                      

                    var menu = new Ext.menu.Menu({  

                        //控制右键菜单位置  

                        float:true,  

                         items:[{  

                                text:"修改",  

                                iconCls:'leaf',  

                                handler:function(){  

                                    //当点击时隐藏右键菜单  

                                    this.up("menu").hide();  

                                    alert(record.raw.name);  

                                }  

                            },{  

                                text:"添加",  

                                iconCls:'leaf',  

                                handler:function(){  

                                    this.up("menu").hide();  

                                    alert("添加");  

                                }  

                            },{  

                                text:"删除",  

                                iconCls:'leaf',  

                                handler:function(){  

                                    this.up("menu").hide();  

                                    alert("删除");  

                                }  

                            }  

                         ]  

                    }).showAt(e.getXY());//让右键菜单跟随鼠标位置  

                }  

            }