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Appsettings.cs
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69 lines (59 loc) · 2.31 KB
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using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Configuration.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
namespace Blog.Core.Common
{
/// <summary>
/// appsettings.json操作类
/// </summary>
public class Appsettings
{
static IConfiguration Configuration { get; set; }
//static Appsettings()
//{
// //ReloadOnChange = true 当appsettings.json被修改时重新加载
// Configuration = new ConfigurationBuilder()
// .Add(new JsonConfigurationSource { Path = "appsettings.json", ReloadOnChange = true })//请注意要把当前appsetting.json 文件->右键->属性->复制到输出目录->始终复制
// .Build();
//}
static Appsettings()
{
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()
//.Add(new JsonConfigurationSource { Path = Path, ReloadOnChange = true })//请注意要把当前appsetting.json 文件->右键->属性->复制到输出目录->始终复制
//.Build();
Configuration = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.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();
}
/// <summary>
/// 封装要操作的字符
/// </summary>
/// <param name="sections"></param>
/// <returns></returns>
public static string app(params string[] sections)
{
try
{
var val = string.Empty;
for (int i = 0; i < sections.Length; i++)
{
val += sections[i] + ":";
}
return Configuration[val.TrimEnd(':')];
}
catch (Exception)
{
return "";
}
}
}
}