dotnet的console应用如何使用配置文件
Console.Config\Program.cs
| |
| using Microsoft.Extensions.Configuration; |
| |
| var basePath = Directory.GetCurrentDirectory(); |
| |
| var configuration = new ConfigurationBuilder() |
| .SetBasePath(basePath) |
| .AddJsonFile("appsettings.json") |
| .Build(); |
| |
| |
| var apiKey = configuration["AppSettings:ApiKey"] ?? throw new InvalidOperationException("AppSettings:ApiKey在appsettings.json未发现"); |
| var connectionString = configuration["AppSettings:DatabaseConnectionString"]; |
| |
| |
| Console.WriteLine($"ApiKey: {apiKey}"); |
| Console.WriteLine($"Database Connection String: {connectionString}"); |
| |
| |
| |
| var configs = configuration.GetSection("AppSettings").GetChildren(); |
| |
| foreach(var item in configs) |
| { |
| System.Console.WriteLine(item.Path); |
| System.Console.WriteLine(item.Key); |
| System.Console.WriteLine(item.Value); |
| System.Console.WriteLine("----------------------------"); |
| } |
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Console.Config\Console.Config.csproj
- 需要安装两个依赖包
Microsoft.Extensions.Configuration
Microsoft.Extensions.Configuration.Json
| <Project Sdk="Microsoft.NET.Sdk"> |
| |
| <PropertyGroup> |
| <OutputType>Exe</OutputType> |
| <TargetFramework>net7.0</TargetFramework> |
| <ImplicitUsings>enable</ImplicitUsings> |
| <Nullable>enable</Nullable> |
| </PropertyGroup> |
| |
| <ItemGroup> |
| <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" /> |
| <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0" /> |
| </ItemGroup> |
| |
| </Project> |
| |
Console.Config\appsettings.json
| { |
| "AppSettings": { |
| "ApiKey": "your-api-key", |
| "DatabaseConnectionString": "your-connection-string" |
| } |
| } |
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