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ICale.cs
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ICale.cs
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using Castle.DynamicProxy;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace UseCastle
{
public interface ICalc
{
int Add(int a, int b);
}
public class Calc : ICalc
{
public int Add(int a, int b)
{
Console.WriteLine(string.Format("{0}+{1}={2}",a,b, a + b));
return a + b;
}
}
public class CalcInterceptor : IInterceptor
{
private int _max;
public CalcInterceptor(int max)
{
this._max = max;
}
public void Intercept(IInvocation invocation)
{
Console.WriteLine("进入拦截方法");
int a = (int)invocation.GetArgumentValue(0);
int b= (int)invocation.GetArgumentValue(1);
if (a > this._max || b > this._max)
{
Console.WriteLine(string.Format("参数不能大于{0}", this._max));
throw new ArgumentOutOfRangeException();
}
else
invocation.Proceed();
}
}
}