开启静态网页
Startup.Configure:
app.UseStaticFiles();设置主页
Startup.Configure:
DefaultFilesOptions defaultFilesOptions = new DefaultFilesOptions(); defaultFilesOptions.DefaultFileNames.Clear(); defaultFilesOptions.DefaultFileNames.Add("index.html"); app.UseDefaultFiles(defaultFilesOptions);重要提示,代码是有顺序的:
UseDefaultFiles-UseStaticFiles-UseMvc
汇总:
Startup.Configure:
DefaultFilesOptions defaultFilesOptions = new DefaultFilesOptions(); defaultFilesOptions.DefaultFileNames.Clear(); defaultFilesOptions.DefaultFileNames.Add("index.html"); app.UseDefaultFiles(defaultFilesOptions); app.UseStaticFiles(); app.UseMvc();跨域
Startup.Configure:(core 3.0 ConfigureServices中需包含services.AddControllers();)
app.UseCors(corsPolicyBuilder => corsPolicyBuilder.AllowAnyMethod().AllowAnyOrigin());Json保持原始大小写
Startup.ConfigureServices:
2.0:
<PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
services.AddMvc().AddJsonOptions(options => options.SerializerSettings.ContractResolver = new Newtonsoft.Json.Serialization.DefaultContractResolver());3.0 方案1修改原生方法:
services.AddControllers().AddJsonOptions(options => { options.JsonSerializerOptions.DictionaryKeyPolicy = null; options.JsonSerializerOptions.PropertyNamingPolicy = null; });3.0 方案2用NewtonsoftJson替换原生方法:
<PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="3.0.0" />
services.AddControllers() //原生Json服务中文、变量、注释支持差,这里切换为Newtonsoft提供的Json服务,必须引用Microsoft.AspNetCore.Mvc.NewtonsoftJson,引用Newtonsoft.Json此处无效 .AddNewtonsoftJson(options => { //保持Json属性/变量大小写 options.SerializerSettings.ContractResolver = new Newtonsoft.Json.Serialization.DefaultContractResolver(); // 忽略循环引用 options.SerializerSettings.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore; // 设置时间格式 options.SerializerSettings.DateFormatString = "yyyy-MM-dd HH:mm:ss"; // 如字段为null值,该字段不会返回到前端 // options.SerializerSettings.NullValueHandling = NullValueHandling.Ignore; });添加MIME
Startup.Configure:
var provider = new FileExtensionContentTypeProvider(); provider.Mappings[".osm"] = "application/octet-stream"; app.UseStaticFiles(new StaticFileOptions() { ContentTypeProvider = provider });