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Unity 的ICallHander在C#项目中实现注入
项目包引用： Install-Package Unity.Interception
创建项目的接口和其实类：
public interface ICalculator{double CalculateAdd(double a, double b); double CalculateMultiply(double a, double b);double CalculateMinus(double a, double b);double CalculateDevide(double a, double b);}[LoggerIndicate]public class Calculator:ICalculator{public double CalculateAdd(double a, double b) { return a + b; }public double CalculateMultiply(double a, double b) { return a * b; }public double CalculateMinus(double a, double b) { return a - b; }public double CalculateDevide(double a, double b) { return a / b; }}
创建一个方法注入的类，这个类必须实现ICallHander接口
public class LoggerHandler : ICallHandler { public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext) { var traceId = System.Guid.NewGuid().ToString(); TimeRecorder tr = new TimeRecorder(); var result = getNext()(input, getNext); tr.Dispose(); StringBuilder sb = new StringBuilder(); sb.AppendFormat("Call {0} (", input.MethodBase.Name); foreach (var parameter in input.Arguments) { sb.Append(parameter.ToString()).Append(","); } sb.Append(")"); sb.AppendFormat(" takes {0}ms", tr.ElapsedMilliseconds); Console.WriteLine(sb.ToString()); return result; } public int Order { get; set; } //用来控制执行顺序 }
创建属性来标是否需要注入
public class LoggerIndicateAttribute : HandlerAttribute { public override ICallHandler CreateHandler(IUnityContainer container) { return new LoggerHandler(); } }最后测试
static void Main(string[] args) { IUnityContainer container = new UnityContainer(); container.AddNewExtension<Interception>(); container.RegisterType<ICalculator, Calculator>() .Configure<Interception>() .SetInterceptorFor<ICalculator>(new InterfaceInterceptor()); // Resolve ICalculator calc = container.Resolve<ICalculator>(); var d = calc.CalculateAdd(1, 2); d = calc.CalculateMinus(23, 3); Console.Read(); }
Unity 的ICallHander在C#项目中实现注入
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