core Web中运用appsettings.json配置文件的实例详解（ASP.NET ）【C#.Net教程】,asp.net,core,appsettings.json

这篇文章主要给人人引见了在ASP.NET core Web中运用appsettings.json设置文件的要领，文中给出了细致的示例代码，须要的朋侪能够参考进修，下面来一同看看吧。

媒介

最近在研讨把asp.net顺序移植到linux上，恰好.net core出来了，就进行了进修。

移植代码基础顺遂，然则发明.net core中没有ConfigurationManager，没法读写设置文件，零丁写个xml之类的嫌贫苦，就谷歌了下，发明了个要领，遂纪录以下，轻易今后查找：

要领以下

设置文件构造

public class DemoSettings
{
 public string MainDomain { get; set; }
 public string SiteName { get; set; }
}

appsettings.json中显现结果

appsettings.json

{
 "DemoSettings": {
 "MainDomain": "http://www.mysite.com",
 "SiteName": "My Main Site"
 },
 "Logging": {
 "IncludeScopes": false,
 "LogLevel": {
  "Default": "Debug",
  "System": "Information",
  "Microsoft": "Information"
 }
 }
}

设置Services

原设置

public void ConfigureServices(IServiceCollection services)
{
 // Add framework services.
 services.AddMvc();
}

自定义

public void ConfigureServices(IServiceCollection services)
{
 // Add framework services.
 services.AddMvc();
 
 // Added - uses IOptions<T> for your settings.
 services.AddOptions();
 
 // Added - Confirms that we have a home for our DemoSettings
 services.Configure<DemoSettings>(Configuration.GetSection("DemoSettings"));
}

然后把设置注入进响应的Controller后就能够运用了

public class HomeController : Controller
{
 private DemoSettings ConfigSettings { get; set; }
 
 public HomeController(IOptions<DemoSettings> settings)
 {
  ConfigSettings = settings.Value;
 }
 
 public IActionResult Index()
 {
  ViewData["SiteName"] = ConfigSettings.SiteName;
  return View();
 }
}

总结

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