1

2

3

4

5

var builder = new ConfigurationBuilder()

.SetBasePath(env.ContentRootPath)

.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)

.AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true)

.AddEnvironmentVariables();

1

2

Configuration = builder.Build();

var value = Configuration["Section:Key"]

1

services.Configure<DatabaseOption>(configuration.GetSection("Database"));

1

2

3

4

public EntityFrameWorkConfigure(IOptions<DatabaseOption> dataBaseOption)

{

_dataBaseOption = dataBaseOption;

}

1

2

3

4

public EntityFrameWorkConfigure(IOptionsSnapshot<DatabaseOption> dataBaseOption)

{

_dataBaseOption = dataBaseOption;

}