.Net 6 WebApi
Program.cs
using System.Text.Json; var builder = WebApplication.CreateBuilder(args); JsonSerializerOptions serializeOptions = new JsonSerializerOptions { PropertyNameCaseInsensitive = false, PropertyNamingPolicy = JsonNamingPolicy.CamelCase, WriteIndented = true }; // Add services to the container. builder.Services.AddControllers(); //builder.Services.AddControllersWithViews(options => { }).AddJsonOptions(a => a.JsonSerializerOptions.Converters.Add(new AnXinHotel.DateTimeJsonConverter())); //builder.Services.AddControllers().AddJsonOptions(options => options.JsonSerializerOptions.PropertyNamingPolicy = JsonNamingPolicy.CamelCase); // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle builder.Services.AddEndpointsApiExplorer(); builder.Services.AddSwaggerGen(); var app = builder.Build(); // Configure the HTTP request pipeline. if (app.Environment.IsDevelopment()) { app.UseSwagger(); app.UseSwaggerUI(); } app.UseAuthorization(); app.MapControllers(); app.Run();