.NET Core开发实战（第34课：MediatR：轻松实现命令查询职责分离模式（CQRS））--学习笔记（下）

namespace GeekTime.API.Application.Queries
{
    public class MyOrderQuery : IRequest<List<string>>
    {
        public MyOrderQuery(string userName) => UserName = userName;

        public string UserName { get; private set; }
    }
}

namespace GeekTime.API.Application.Queries
{
    public class MyOrderQueryHandler : IRequestHandler<MyOrderQuery, List<string>>
    {
        public Task<List<string>> Handle(MyOrderQuery request, CancellationToken cancellationToken)
        {
            return Task.FromResult(new List<string>());
        }
    }
}

[HttpGet]
public async Task<List<string>> QueryOrder([FromBody]MyOrderQuery myOrderQuery)
{
    return await _mediator.Send(myOrderQuery);
}