配置文件如何注册引用
注册配置文件的形式
注册方式
| |
| builder.Services.Configure<AppSettings>(builder.Configuration.GetSection("AppSettings")); |
| AppSettings appSettings = builder.Configuration.GetSection(AppSettings.Key).Get<AppSettings>()!; |
| Console.WriteLine(appSettings.Port); |
| Console.WriteLine(appSettings.ConnectionString); |
使用方式
| using Microsoft.AspNetCore.Mvc; |
| using Microsoft.Extensions.Options; |
| |
| namespace AspDemo.Server.Controllers; |
| |
| [ApiController] |
| [Route("[controller]")] |
| public class AppSettingTwoController : ControllerBase |
| { |
| |
| |
| private readonly AppSettings _appSettings; |
| |
| |
| |
| public AppSettingTwoController(IOptions<AppSettings> appSettings) |
| { |
| _appSettings = appSettings.Value; |
| } |
| |
| [HttpGet] |
| public IActionResult Get() |
| { |
| System.Console.WriteLine(_appSettings.ConnectionString); |
| System.Console.WriteLine(_appSettings.Port); |
| return Ok(_appSettings); |
| } |
| } |
| |
将配置文件注册成单例模式
注册方式
| |
| builder.Services.AddSingleton(s => s.GetRequiredService<IOptions<AppSettings>>().Value); |
使用方式
| using Microsoft.AspNetCore.Mvc; |
| |
| namespace AspDemo.Server.Controllers; |
| |
| [ApiController] |
| [Route("[controller]")] |
| public class AppSettingController : ControllerBase |
| { |
| |
| |
| private readonly AppSettings _appSettings; |
| |
| |
| public AppSettingController(AppSettings appSettings) |
| { |
| |
| _appSettings = appSettings; |
| } |
| |
| [HttpGet] |
| public IActionResult Get() |
| { |
| System.Console.WriteLine(_appSettings.ConnectionString); |
| System.Console.WriteLine(_appSettings.Port); |
| return Ok(_appSettings); |
| } |
| } |
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