public object Intercept(object target, MethodInfo method, object[] @params)
{
var httpContext = AspectContext.From(method);
if (RequestHost == null || string.IsNullOrEmpty(RequestHost))
{
if (httpContext.HostAttribute.Host != null && !string.IsNullOrEmpty(httpContext.HostAttribute.Host.OriginalString))
{
RequestHost = httpContext.HostAttribute.Host.OriginalString;
}
else
{
throw new ArgumentNullException(nameof(method), "未定义任何请求服务器地址,请在注册时传入BaseUrl或在服务契约添加HttpHost标签");
}
}
var actionContext = new HttpApiActionContext
{
HttpApiClient = this,
RequestMessage = new HttpRequestMessage(),
RouteAttributes = httpContext.RouteAttributes,
ApiReturnAttribute = httpContext.ApiReturnAttribute,
ApiActionFilterAttributes = httpContext.ApiActionFilterAttributes,
ApiActionDescriptor = httpContext.ApiActionDescriptor.Clone() as ApiActionDescriptor
};
var parameters = actionContext.ApiActionDescriptor.Parameters;
for (var i = 0; i < parameters.Length; i++)
{
parameters[i].Value = @params[i];
}
var apiAction = httpContext.ApiActionDescriptor;
try
{
return(apiAction.Execute(actionContext));
}
catch (Exception ex)
{
var errMsg = ex.Message;
while (ex.InnerException != null)
{
errMsg += "--->" + ex.InnerException.Message;
ex = ex.InnerException;
}
throw new Exception($"请求远程服务[{actionContext.RequestMessage?.Method.Method}]{actionContext.RequestMessage?.RequestUri.ToString() ?? RequestHost}异常:{errMsg}", ex);
}
}