摘要：
services.AddSwaggerGen (c => { c.ResolveConflictingActions (apiDescriptions => apiDescriptions.First ()); }); //in the Startup.cs class in the Configu 阅读全文
摘要：
An unhandled exception occurred while processing the request. InvalidOperationException: Unable to resolve service for type 'Microsoft.AspNetCore.Http 阅读全文