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using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Configuration.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
namespace Blog.Core.Common
{
/// <summary>
/// appsettings.json操作类
/// </summary>
public class Appsettings
{
static IConfiguration Configuration { get; set; }
static string contentPath { get; set; }
public Appsettings(string contentPath)
{
string Path = "appsettings.json";
//如果你把配置文件 是 根据环境变量来分开了，可以这样写
//Path = $"appsettings.{Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT")}.json";
Configuration = new ConfigurationBuilder()
.SetBasePath(contentPath)
.Add(new JsonConfigurationSource { Path = Path, Optional = false, ReloadOnChange = true })//这样的话，可以直接读目录里的json文件，而不是 bin 文件夹下的，所以不用修改复制属性
.Build();
}
public Appsettings(IConfiguration configuration)
{
Configuration = configuration;
}
/// <summary>
/// 封装要操作的字符
/// </summary>
/// <param name="sections">节点配置</param>
/// <returns></returns>
public static string app(params string[] sections)
{
try
{
if (sections.Any())
{
return Configuration[string.Join(":", sections)];
}
}
catch (Exception) { }
return "";
}
/// <summary>
/// 递归获取配置信息数组
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="sections"></param>
/// <returns></returns>
public static List<T> app<T>(params string[] sections)
{
List<T> list = new List<T>();
Configuration.Bind(string.Join(":", sections), list);
return list;
}
}
}