长期存储elementUI的message提醒组件实例,在下次关上网络谬误的提醒前及时进行对以后已存在的提醒组件(netWorkFailDialog)进行敞开close并退出节流管制throttle,这样就能防止同时呈现多个提醒的问题。
引入节流和message提醒组件:

window.netWorkFailDialog = null;   let netWorkFail = throttle(            function () {             window.netWorkFailDialog && window.netWorkFailDialog.close();             window.netWorkFailDialog = vm.$message({               message: "网络连接失败,请查看网络!",               type: "error",               duration: 4000             });            },           1000     );

在axios申请的Promise catch的时候调用 netWorkFail()