来自：https://www.cnblogs.com/fqh123/p/11094296.html侵删login登录方法login(){if(!this.username){returnthis.$message.error("请输入用户名");}

参考：https://blog.csdn.net/weixin\_40288413/article/details/80793336(https://www.oschina.net/action/GoToLink?urlhttps%3A%2F%2Fblog.csdn.net%2Fweixin_40288413%2Farticle%2Fdetails%2

1新建文件夹service，里边建4个文件，分别是statisticservice.jsx首页数据统计接口,userservice.jsx用户接口,productservice.jsx产品接口，orderservice.jx订单接口!(https://oscimg.oschina.net/oscnet/7cf048baa59af0e

参考：https://blog.csdn.net/weixin\_40288413/article/details/80793336(https://www.oschina.net/action/GoToLink?urlhttps%3A%2F%2Fblog.csdn.net%2Fweixin_40288413%2Farticle%2Fdetails%2