vue 实际中遇到需要路由嵌套时,经常需要让子路由处于默认选中状态,
重定向后发现父路由激活状态消失,需要在定义子路由时在子路由前面加上父路由路径
{ name:"msgbox", path:"/msgbox",//父路由 redirect:"/msgbox/myfollow", component:MsgBox, children:[{ name:"myfollow", path:"/msgbox/myfollow",//子路由路路径上加上父路由路径, component:MyFollow, //重定向时父路由也可以处于激活状态 },{ name:"msginfo", path:"/msgbox/msginfo", component:MsgInfo, } ] },