appsettings.json 세팅값 사용하기

Overview : win.config 와 같은 기능

1.appsettings.json


{
  "Position": {
    "Title": "Editor",
    "Name": "Joe Smith"
  },
  "MyKey": "My appsettings.json Value",
  "Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft": "Warning",
      "Microsoft.Hosting.Lifetime": "Information"
    }
  },
  "AllowedHosts": "*"
}

{

"Position": {

"Title": "Editor",

"Name": "Joe Smith"

"MyKey": "My appsettings.json Value",

"Logging": {

"LogLevel": {

"Default": "Information",

"Microsoft": "Warning",

"Microsoft.Hosting.Lifetime": "Information"

}

"AllowedHosts": "*"

}

2. C#


public class TestModel : PageModel
{
    // requires using Microsoft.Extensions.Configuration;
    private readonly IConfiguration Configuration;

    public TestModel(IConfiguration configuration)
    {
        Configuration = configuration;
    }

    public ContentResult OnGet()
    {
        var myKeyValue = Configuration["MyKey"];
        var title = Configuration["Position:Title"];
        var name = Configuration["Position:Name"];
        var defaultLogLevel = Configuration["Logging:LogLevel:Default"];


        return Content($"MyKey value: {myKeyValue} \n" +
                       $"Title: {title} \n" +
                       $"Name: {name} \n" +
                       $"Default Log Level: {defaultLogLevel}");
    }
}

public class TestModel : PageModel

{

// requires using Microsoft.Extensions.Configuration;

private readonly IConfiguration Configuration;

public TestModel(IConfiguration configuration)

{

Configuration = configuration;

}

public ContentResult OnGet()

{

var myKeyValue = Configuration["MyKey"];

var title = Configuration["Position:Title"];

var name = Configuration["Position:Name"];

var defaultLogLevel = Configuration["Logging:LogLevel:Default"];

return Content($"MyKey value: {myKeyValue} \n" +

$"Title: {title} \n" +

$"Name: {name} \n" +

$"Default Log Level: {defaultLogLevel}");

}