我添加以下路由属性：
[HttpGet]
[Route("add")]
[Route(@"{id:int}/{inn:regex(^[0-9]+$)}/incBalance:range(0,1)/{dateSet:datetime}/{dateNext:datetime}")]
public IActionResult Add(int id, string inn, int incBalance, DateTime dateSet, DateTime dateNext)
{
....
}
执行时出现错误：
An unhandled exception occurred while processing the request.
InvalidOperationException: The following errors occurred with attribute routing information:
Error 1:
For action: 'WebProject.Areas.DAS.Controllers.ReportController.Add'
Error: While processing template 'das/report/[action]/{id:int}/{inn:regex(^[0-9]+$)}/incBalance:range(0,1)/{dateSet:datetime}/{dateNext:datetime}', a replacement value for the token '0-9' could not be found. Available tokens: 'action, area, controller'.
我删除regex(^[0-9]+$)一切正常
当您在中使用正则表达式时RouteAttribute你必须逃脱[ and ]字符与[[ and ]]， 因为[ and ]为控制器参数（动作、控制器和区域）保留，如[Route("api/[controller]/[action]")].
Update: 同样适用于{ and }你在哪里逃避它{{ and }}，但这对于您设置的默认路由也有效app.UseMvc( route => ... ).
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