.NETCore和.NET5 MVC解析获取appsettings.json数据

{
  "Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft": "Warning",
      "Microsoft.Hosting.Lifetime": "Information"
    }
  },
  "AllowedHosts": "*",
  "MQTTConfig": {
    "Enable": true,
    "ClientID": "***",
    "Server": "***",
    "Port": 0,
    "UserName": "*",
    "Password": "***",
    "UseBytes": false
  }
}

MQTTConfig.ClientID = Configuration.GetValue<string>("MQTTConfig:ClientID");
MQTTConfig.Server = Configuration.GetValue<string>("MQTTConfig:Server");
MQTTConfig.Port = Configuration.GetValue<int>("MQTTConfig:Port");
MQTTConfig.UserName = Configuration.GetValue<string>("MQTTConfig:UserName");
MQTTConfig.Password = Configuration.GetValue<string>("MQTTConfig:Password");

{
  "Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft": "Warning",
      "Microsoft.Hosting.Lifetime": "Information"
    }
  },
  "AllowedHosts": "*",

  "Users": [
    {
      "UserName": "***",
      "Password": "***"
    },
    {
      "UserName": "***",
      "Password": "***"
    },
    {
      "UserName": "***",
      "Password": "***"
    }
  ]

}

public class UserModel {
	public string UserName { get; set; }
	public string Password { get; set; }
}

services.Configure<List<UserModel>>(Configuration.GetSection("Users"));

public void ConfigureServices(IServiceCollection services)
{
	services.AddControllersWithViews();
	
	// 添加 User 模型解析
	services.Configure<List<UserModel>>(Configuration.GetSection("Users"));
}

public class HomeController : ControllerBase
{
	private readonly List<UserModel> _Users;
	public HomeController(IOptions<List<UserModel>> options)
	{
		// appsettings.json 配置的用户对象
		_Users = options.Value;
	}
}