using Microsoft.Extensions.DependencyInjection; using Newtonsoft.Json; using Newtonsoft.Json.Converters; using System; namespace IRaCIS.Core.SCP { public static class NewtonsoftJsonSetup { public static void AddNewtonsoftJsonSetup(this IMvcBuilder builder, IServiceCollection services) { services.AddHttpContextAccessor(); services.AddScoped(); builder.AddNewtonsoftJson(options => { //options.SerializerSettings.PreserveReferencesHandling = PreserveReferencesHandling.Objects; // 忽略循环引用 options.SerializerSettings.ReferenceLoopHandling = ReferenceLoopHandling.Ignore; //options.SerializerSettings.TypeNameHandling = TypeNameHandling.All; //处理返回给前端 可空类型 给出默认值 比如in? 为null 设置 默认值0 options.SerializerSettings.ContractResolver = new NullToEmptyStringResolver(); //new DefaultContractResolver();// new NullToEmptyStringResolver(); // 设置时间格式 options.SerializerSettings.DateFormatString = "yyyy-MM-dd HH:mm:ss"; options.SerializerSettings.DateTimeZoneHandling = DateTimeZoneHandling.RoundtripKind; //options.SerializerSettings.Converters.Add(new JSONCustomDateConverter()) ; //options.SerializerSettings.Converters.Add(services.BuildServiceProvider().GetService()); }) .AddControllersAsServices()//动态webApi属性注入需要 .ConfigureApiBehaviorOptions(o => { o.SuppressModelStateInvalidFilter = true; //自己写验证 }); Newtonsoft.Json.JsonSerializerSettings setting = new Newtonsoft.Json.JsonSerializerSettings(); JsonConvert.DefaultSettings = new Func(() => { //日期类型默认格式化处理 setting.DateFormatString = "yyyy-MM-dd HH:mm:ss"; setting.ReferenceLoopHandling = ReferenceLoopHandling.Ignore; return setting; }); } } }