using Castle.DynamicProxy;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.SignalR;
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using Newtonsoft.Json;
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using StackExchange.Profiling;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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using WIDESEAWCS_Core.Helper;
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using WIDESEAWCS_Core.LogHelper;
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namespace WIDESEAWCS_Core.AOP
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{
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/// <summary>
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/// 拦截器BlogLogAOP 继承IInterceptor接口
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/// </summary>
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public class LogAOP : IInterceptor
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{
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private readonly IHttpContextAccessor _accessor;
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public LogAOP(IHttpContextAccessor accessor)
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{
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_accessor = accessor;
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}
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/// <summary>
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/// 实例化IInterceptor唯一方法
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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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string UserName = _accessor.HttpContext?.User?.Identity?.Name;
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string json;
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try
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{
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if (invocation.Arguments.Any())
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{
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json = JsonConvert.SerializeObject(invocation.Arguments);
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}
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else
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{
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json = "无参数";
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}
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}
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catch (Exception ex)
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{
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json = "无法序列化，可能是兰姆达表达式等原因造成，按照框架优化代码" + ex.ToString();
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}
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DateTime startTime = DateTime.Now;
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AOPLogInfo apiLogAopInfo = new AOPLogInfo
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{
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RequestTime = startTime.ToString("yyyy-MM-dd hh:mm:ss fff"),
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OpUserName = "【当前操作用户】：" + UserName,
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RequestMethodName = "【当前执行方法】：" + invocation.Method.Name,
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RequestParamsName = "【携带的参数有】：" + string.Join(", ", invocation.Arguments.Select(a => (a ?? "").ToString()).ToArray()),
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RequestParamsData = json
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};
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var dataIntercept = $"";
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try
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{
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MiniProfiler.Current.Step($"执行{invocation.InvocationTarget}.{invocation.Method.Name}()方法 -> ");
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//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
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invocation.Proceed();
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// 异步获取异常，先执行
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if (IsAsyncMethod(invocation.Method))
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{
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if (invocation.Method.ReturnType == typeof(Task))
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{
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invocation.ReturnValue = InternalAsyncHelper.AwaitTaskWithPostActionAndFinally(
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(Task)invocation.ReturnValue,
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async () => await SuccessAction(invocation, apiLogAopInfo, startTime), /*成功时执行*/
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ex =>
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{
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LogEx(ex, apiLogAopInfo);
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});
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}
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else
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{
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invocation.ReturnValue = InternalAsyncHelper.CallAwaitTaskWithPostActionAndFinallyAndGetResult(
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invocation.Method.ReturnType.GenericTypeArguments[0],
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invocation.ReturnValue,
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async (o) => await SuccessAction(invocation, apiLogAopInfo, startTime, o), /*成功时执行*/
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ex =>
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{
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LogEx(ex, apiLogAopInfo);
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});
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}
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}
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else
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{
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// 同步1
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string jsonResult;
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try
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{
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jsonResult = JsonConvert.SerializeObject(invocation.ReturnValue);
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}
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catch (Exception ex)
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{
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jsonResult = "无法序列化，可能是兰姆达表达式等原因造成，按照框架优化代码" + ex.ToString();
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}
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var type = invocation.Method.ReturnType;
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var resultProperty = type.GetProperty("Result");
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DateTime endTime = DateTime.Now;
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string ResponseTime = (endTime - startTime).Milliseconds.ToString();
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apiLogAopInfo.ResponseTime = endTime.ToString("yyyy-MM-dd hh:mm:ss fff");
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apiLogAopInfo.ResponseIntervalTime = ResponseTime + "ms";
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apiLogAopInfo.ResponseJsonData = jsonResult;
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Parallel.For(0, 1, e =>
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{
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LogLock.OutLogAOP("AOPLog", new string[] { apiLogAopInfo.GetType().ToString(), JsonConvert.SerializeObject(apiLogAopInfo) });
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});
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}
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}
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catch (Exception ex) // 同步2
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{
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LogEx(ex, apiLogAopInfo);
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throw;
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}
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}
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private async Task SuccessAction(IInvocation invocation, AOPLogInfo apiLogAopInfo, DateTime startTime, object o = null)
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{
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DateTime endTime = DateTime.Now;
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string ResponseTime = (endTime - startTime).Milliseconds.ToString();
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apiLogAopInfo.ResponseTime = endTime.ToString("yyyy-MM-dd hh:mm:ss fff");
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apiLogAopInfo.ResponseIntervalTime = ResponseTime + "ms";
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apiLogAopInfo.ResponseJsonData = JsonConvert.SerializeObject(o);
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await Task.Run(() =>
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{
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Parallel.For(0, 1, e =>
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{
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LogLock.OutLogAOP("AOPLog", new string[] { apiLogAopInfo.GetType().ToString(), JsonConvert.SerializeObject(apiLogAopInfo) });
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});
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});
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}
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private void LogEx(Exception ex, AOPLogInfo dataIntercept)
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{
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if (ex != null)
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{
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//执行的 service 中，收录异常
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MiniProfiler.Current.CustomTiming("Errors：", ex.Message);
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//执行的 service 中，捕获异常
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AOPLogExInfo apiLogAopExInfo = new AOPLogExInfo
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{
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ExMessage = ex.Message,
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InnerException = "InnerException-内部异常:\r\n" + (ex.InnerException == null ? "" : ex.InnerException.InnerException.ToString()) +
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"\r\nStackTrace-堆栈跟踪:\r\n" + (ex.StackTrace == null ? "" : ex.StackTrace.ToString()),
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ApiLogAopInfo = dataIntercept
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};
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// 异常日志里有详细的堆栈信息
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Parallel.For(0, 1, e =>
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{
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LogLock.OutLogAOP("AOPLogEx", new string[] { apiLogAopExInfo.GetType().ToString(), JsonConvert.SerializeObject(apiLogAopExInfo) });
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});
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}
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}
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public static bool IsAsyncMethod(MethodInfo method)
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{
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return method.ReturnType == typeof(Task) || method.ReturnType.IsGenericType && method.ReturnType.GetGenericTypeDefinition() == typeof(Task<>);
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}
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}
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internal static class InternalAsyncHelper
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{
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public static async Task AwaitTaskWithPostActionAndFinally(Task actualReturnValue, Func<Task> postAction, Action<Exception> finalAction)
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{
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Exception exception = null;
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try
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{
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await actualReturnValue;
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await postAction();
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}
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catch (Exception ex)
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{
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exception = ex;
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}
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finally
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{
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finalAction(exception);
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}
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}
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public static async Task<T> AwaitTaskWithPostActionAndFinallyAndGetResult<T>(Task<T> actualReturnValue, Func<object, Task> postAction,
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Action<Exception> finalAction)
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{
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Exception exception = null;
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try
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{
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var result = await actualReturnValue;
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await postAction(result);
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return result;
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}
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catch (Exception ex)
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{
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exception = ex;
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throw;
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}
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finally
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{
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finalAction(exception);
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}
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}
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public static object CallAwaitTaskWithPostActionAndFinallyAndGetResult(Type taskReturnType, object actualReturnValue,
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Func<object, Task> action, Action<Exception> finalAction)
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{
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return typeof(InternalAsyncHelper)
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.GetMethod(nameof(AwaitTaskWithPostActionAndFinallyAndGetResult), BindingFlags.Public | BindingFlags.Static)
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.MakeGenericMethod(taskReturnType)
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.Invoke(null, new object[] { actualReturnValue, action, finalAction });
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}
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}
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public class AOPLogInfo
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{
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/// <summary>
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/// 请求时间
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/// </summary>
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[Description("请求时间")]
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public string RequestTime { get; set; } = string.Empty;
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/// <summary>
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/// 操作人员
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/// </summary>
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[Description("操作人员")]
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public string OpUserName { get; set; } = string.Empty;
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/// <summary>
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/// 请求方法名
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/// </summary>
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[Description("请求方法名")]
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public string RequestMethodName { get; set; } = string.Empty;
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/// <summary>
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/// 请求参数名
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/// </summary>
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[Description("请求参数名")]
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public string RequestParamsName { get; set; } = string.Empty;
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/// <summary>
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/// 请求参数数据JSON
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/// </summary>
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[Description("请求参数数据JSON")]
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public string RequestParamsData { get; set; } = string.Empty;
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/// <summary>
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/// 请求响应间隔时间
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/// </summary>
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[Description("请求响应间隔时间")]
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public string ResponseIntervalTime { get; set; } = string.Empty;
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/// <summary>
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/// 响应时间
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/// </summary>
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[Description("响应时间")]
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public string ResponseTime { get; set; } = string.Empty;
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/// <summary>
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/// 响应结果
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/// </summary>
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[Description("响应结果")]
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public string ResponseJsonData { get; set; } = string.Empty;
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}
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public class AOPLogExInfo
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{
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public AOPLogInfo ApiLogAopInfo { get; set; }
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/// <summary>
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/// 异常
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/// </summary>
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[Description("异常")]
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public string InnerException { get; set; } = string.Empty;
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/// <summary>
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/// 异常信息
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/// </summary>
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[Description("异常信息")]
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public string ExMessage { get; set; } = string.Empty;
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}
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}
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