/// <summary>
/// 实例化IInterceptor唯一方法
/// </summary>
/// <param name="invocation">包含被拦截方法的信息</param>
public void Intercept(IInvocation invocation)
{
var method = invocation.MethodInvocationTarget ?? invocation.Method;
//对当前方法的特性验证
//如果需要验证
if (method.GetCustomAttributes(true).FirstOrDefault(x => x.GetType() == typeof(UseTranAttribute)) is UseTranAttribute)
{
try
{
Console.WriteLine($"Begin Transaction");
_unitOfWork.BeginTran();
invocation.Proceed();
// 异步获取异常，先执行
if (IsAsyncMethod(invocation.Method))
{
if (invocation.Method.ReturnType == typeof(Task))
{
invocation.ReturnValue = InternalAsyncHelper.AwaitTaskWithPostActionAndFinally(
(Task)invocation.ReturnValue,
ex =>
{
_unitOfWork.RollbackTran();
});
}
else //Task<TResult>
{
invocation.ReturnValue = InternalAsyncHelper.CallAwaitTaskWithPostActionAndFinallyAndGetResult(
invocation.Method.ReturnType.GenericTypeArguments[0],
invocation.ReturnValue,
ex =>
{
_unitOfWork.RollbackTran();
});
}
}
_unitOfWork.CommitTran();
}
catch (Exception)
{
Console.WriteLine($"Rollback Transaction");
_unitOfWork.RollbackTran();
}
}
else
{
invocation.Proceed();//直接执行被拦截方法
}
}
/// <summary>
/// 实例化IInterceptor唯一方法
/// </summary>
/// <param name="invocation">包含被拦截方法的信息</param>
public void Intercept(IInvocation invocation)
{
string UserName = _accessor.HttpContext.User.Identity.Name;
//记录被拦截方法信息的日志信息
var dataIntercept = "" +
$"【当前操作用户】：{ UserName} \r\n" +
$"【当前执行方法】：{ invocation.Method.Name} \r\n" +
$"【携带的参数有】： {string.Join(", ", invocation.Arguments.Select(a => (a ?? "").ToString()).ToArray())} \r\n";
try
{
MiniProfiler.Current.Step($"执行Service方法：{invocation.Method.Name}() -> ");
//在被拦截的方法执行完毕后 继续执行当前方法，注意是被拦截的是异步的
invocation.Proceed();
// 异步获取异常，先执行
if (IsAsyncMethod(invocation.Method))
{
//Wait task execution and modify return value
if (invocation.Method.ReturnType == typeof(Task))
{
invocation.ReturnValue = InternalAsyncHelper.AwaitTaskWithPostActionAndFinally(
(Task)invocation.ReturnValue,
ex =>
{
LogEx(ex, ref dataIntercept);
});
}
else //Task<TResult>
{
invocation.ReturnValue = InternalAsyncHelper.CallAwaitTaskWithPostActionAndFinallyAndGetResult(
invocation.Method.ReturnType.GenericTypeArguments[0],
invocation.ReturnValue,
ex =>
{
LogEx(ex, ref dataIntercept);
});
}
}
else
{// 同步1
}
}
catch (Exception ex)// 同步2
{
LogEx(ex, ref dataIntercept);
}
var type = invocation.Method.ReturnType;
if (typeof(Task).IsAssignableFrom(type))
{
var resultProperty = type.GetProperty("Result");
dataIntercept += ($"【执行完成结果】：{JsonConvert.SerializeObject(resultProperty.GetValue(invocation.ReturnValue))}");
}
else
{
dataIntercept += ($"【执行完成结果】：{invocation.ReturnValue}");
}
Parallel.For(0, 1, e =>
{
LogLock.OutSql2Log("AOPLog", new string[] { dataIntercept });
});
_hubContext.Clients.All.SendAsync("ReceiveUpdate", LogLock.GetLogData()).Wait();
}