增加IConfiguration扩展方法RegisterReload,当配置文件发生变化时执行reload方法。
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								Falcon.SugarApi/IConfigurationExtend.cs
									
									
									
									
									
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								Falcon.SugarApi/IConfigurationExtend.cs
									
									
									
									
									
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using Microsoft.Extensions.Configuration;
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using System;
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namespace Falcon.SugarApi
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{
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    /// <summary>
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    /// 配置扩展方法
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    /// </summary>
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    public static class IConfigurationExtend
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    {
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        /// <summary>
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        /// 注册支持注册配置重载事件。当配置文件发生变化时候执行重载回调
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        /// </summary>
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        /// <param name="config">配置对象</param>
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        /// <param name="reload">当配置文件发生变化时候执行的回调</param>
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        public static void RegisterReload(this IConfiguration config,Action<IConfiguration> reload) {
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            reload(config);
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            config.GetReloadToken().RegisterChangeCallback(a => config.RegisterReload(reload),config);
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        }
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    }
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}
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