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"Wechat": { "AppId": "wx26c607c55f31745e", "AppSecret": "e7da82499266ca3fdf85290f68f8fd3a" }

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string appId = builder.Configuration.GetSection("Wechat")["AppId"]; string appSecret = builder.Configuration.GetSection("Wechat")["AppSecret"];

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string appId1 = builder.Configuration["Wechat:AppId"]; string appSecret1 = builder.Configuration["Wechat:AppSecret"];

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[Route("api/[controller]")] [ApiController] public class ConfigurationController : ControllerBase { private readonly IConfiguration Configuration; public ConfigurationController(IConfiguration configuration) { Configuration = configuration; } [HttpGet] public string ReadConfig() { return Configuration["Wechat:AppId"]; } }

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public class WechatConfiguration { public const string KEY = "Wechat"; public string AppId { get; set; } = String.Empty; public string AppSecret { get; set; } = String.Empty; }

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Configuration.GetSection(WechatConfiguration.KEY).Get<WechatConfiguration>();

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WechatConfiguration wechatConfiguration = new WechatConfiguration(); Configuration.GetSection(WechatConfiguration.KEY).Bind(wechatConfiguration);

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builder.Services.Configure<WechatConfiguration>(builder.Configuration.GetSection(WechatConfiguration.KEY));

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public class ConfigurationController : ControllerBase { private readonly IConfiguration Configuration; private readonly WechatConfiguration wechat; public ConfigurationController(IConfiguration configuration, IOptions<WechatConfiguration> options) { Configuration = configuration; wechat = options.Value; } }

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public static class ConfigServiceCollectionExtensions { public static IServiceCollection AddConfig(this IServiceCollection services, IConfiguration config) { services.Configure<WechatConfiguration>(config.GetSection(WechatConfiguration.KEY)); return services; } }

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builder.Services.AddConfig(builder.Configuration);