在ASP.NET Core启动中向Newtonsoft JSON添加自定义ITraceWriter,可以通过以下步骤实现:
<ItemGroup>
<PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
</ItemGroup>
using Newtonsoft.Json.Serialization;
using Newtonsoft.Json;
public class CustomTraceWriter : ITraceWriter
{
public TraceLevel LevelFilter => TraceLevel.Verbose;
public void Trace(TraceLevel level, string message, Exception ex)
{
// 自定义跟踪逻辑,可以将日志输出到控制台、文件或其他目标
Console.WriteLine($"{level}: {message}");
if (ex != null)
{
Console.WriteLine(ex);
}
}
}
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Newtonsoft.Json.Serialization;
using Newtonsoft.Json;
public class Startup
{
public Startup(IConfiguration configuration)
{
Configuration = configuration;
}
public IConfiguration Configuration { get; }
public void ConfigureServices(IServiceCollection services)
{
services.AddControllers()
.AddNewtonsoftJson(options =>
{
options.SerializerSettings.ContractResolver = new DefaultContractResolver();
options.SerializerSettings.TraceWriter = new CustomTraceWriter();
});
}
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
// 配置中间件和路由等
}
}
通过以上步骤,你可以在ASP.NET Core启动中向Newtonsoft JSON添加自定义ITraceWriter。自定义的TraceWriter可以用于记录JSON序列化过程中的跟踪信息,以便于调试和日志记录。
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