美しいミズキ

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dotnet add package Microsoft.Extensions.DependencyInjection

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public static ServiceProvider? ServiceProvider; { get; private set; }
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public void Init()
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{
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    ServiceProvider = Register().BuildServiceProvider();
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}
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public ServiceCollection Register()
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{
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    var serivces = new ServiceCollection();
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    // 生命周期
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    // 添加单例
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    serivces.AddSingleton<MainWindow>();
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    services.AddSingleton<IAudioService, AudioService>();
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    // 每次获取都初始化一个新实例
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    serivces.AddTransient<MainWindow>();
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}