using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Configuration.Json;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Options;
using System;namespace CoreConsoleApp1
{
class Program
{
static void Main(string[] args)
{
//DI容器测试
var provider1 = new ServiceCollection()
.AddOptions()
.AddTransient<IPerson, Person>()
.AddTransient<IDog, Dog>()
.AddTransient<IFly, Fly>()
.BuildServiceProvider(); var dog1 = provider1.GetService<IDog>();
Console.WriteLine(provider1.GetService<IDog>().Name);
Console.WriteLine(provider1.GetHashCode()); var provider2 = new ServiceCollection()
.AddOptions()
.AddTransient<IPerson, Person>()
.AddTransient<IDog, Dog>()
.BuildServiceProvider();
var dog2 = provider2.GetService<IDog>();
Console.WriteLine(provider2.GetHashCode()); //配置文件读取测试
IConfiguration config = new ConfigurationBuilder()
.SetBasePath(AppContext.BaseDirectory)
.Add(new JsonConfigurationSource
{
Path = "appsettings.json",
Optional = false,
ReloadOnChange = true
}).Build();
ConfigHelper.config = config; var user = ConfigHelper.GetConfig<Usernfo>("User");
string url = ConfigHelper.GetValue("Url");
Console.WriteLine($"网址:{url}");
Console.WriteLine($"用户名:{user.Name},电话:{string.Join("|",user.Phones)}");
Console.ReadKey();
}
}
}
using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Configuration.Json;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Options;namespace CoreConsoleApp1
{
public class ConfigHelper
{
public static IConfiguration config; public static string GetValue(string key)
{
return config.GetSection(key).Value;
} public static T GetConfig<T>(string key) where T : class, new()
{
var data = new ServiceCollection()
.AddOptions()
.Configure<T>(config.GetSection(key))
.BuildServiceProvider()
.GetService<IOptions<T>>()
.Value;
return data;
}
}
}
using System;
using System.Collections.Generic;
using System.Text;namespace CoreConsoleApp1
{
public interface IPerson
{
string Name { get; set; }
} public class Person : IPerson
{
public string Name { get; set; }
} public interface IDog
{
string Name { get; set; }
} public class Dog : IDog
{
private IFly _fly; public Dog()
{ } public Dog(IFly fly)
{
_fly = fly;
} public Dog(string name)
{
this.Name = name;
}
public string Name { get; set; } = "huahua";
} public interface IFly
{
string Fiy();
} public class Fly : IFly
{
public string Fiy()
{
return "fly....";
}
}
}
using System;
using System.Collections.Generic;
using System.Text;namespace CoreConsoleApp1
{
public class Usernfo
{
public string Name { get; set; }
public string[] Phones { get; set; }
}
}
appsettings.json{
"Url": "http://www.test.com",
"User": {
"Name": "zhangsan",
"Phones": [ "", "", "" ]
}
}