40 lines
1.2 KiB
C#
40 lines
1.2 KiB
C#
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using System;
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using System.IO;
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using System.Linq;
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using Castle.DynamicProxy;
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namespace CQRS_Simple.Infrastructure
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{
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/// <summary>
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/// 拦截器 需要实现 IInterceptor接口 Intercept方法
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/// </summary>
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public class CallLogger : IInterceptor
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{
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TextWriter _output;
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public CallLogger(TextWriter output)
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{
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_output = output;
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}
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/// <summary>
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/// 拦截方法 打印被拦截的方法执行前的名称、参数和方法执行后的 返回结果
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/// </summary>
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/// <param name="invocation">包含被拦截方法的信息</param>
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public void Intercept(IInvocation invocation)
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{
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if (invocation.Method.IsPublic)
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{
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_output.WriteLine("你正在调用方法 \"{0}\" 参数是 {1}... ",
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invocation.Method.Name,
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string.Join(", ", invocation.Arguments.Select(a => (a ?? "").ToString()).ToArray()));
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//在被拦截的方法执行完毕后 继续执行
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invocation.Proceed();
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_output.WriteLine("方法执行完毕，返回结果：{0}", invocation.ReturnValue);
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}
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}
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}
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}
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