DbCommandInterceptor抓取EF执行时的SQL语句

<summary> /// 抓取EF执行时的SQL语句 /// </summary> public class EFIntercepterLogging : DbCommandInterceptor { private readonly Stopwatch _stopwatch = new Stopwatch(); public override void ScalarExecuting(DbCommand command, DbCommandInterceptionContext<object> interceptionContext) { base.ScalarExecuting(command, interceptionContext); _stopwatch.Restart(); } public override void ScalarExecuted(DbCommand command, DbCommandInterceptionContext<object> interceptionContext) { _stopwatch.Stop(); if (interceptionContext.Exception != null) { Trace.TraceError("Exception:{1} \r\n --> Error executing command: {0}", command.CommandText, interceptionContext.Exception.ToString()); } else { Trace.WriteLine("线程：" + System.Threading.Thread.CurrentThread.ManagedThreadId); Trace.TraceInformation("\r\n执行时间:{0} 毫秒\r\n-->ScalarExecuted.Command:{1}\r\n", _stopwatch.ElapsedMilliseconds, command.CommandText); } base.ScalarExecuted(command, interceptionContext); } public override void NonQueryExecuting(DbCommand command, DbCommandInterceptionContext<int> interceptionContext) { base.NonQueryExecuting(command, interceptionContext); _stopwatch.Restart(); } public override void NonQueryExecuted(DbCommand command, DbCommandInterceptionContext<int> interceptionContext) { _stopwatch.Stop(); if (interceptionContext.Exception != null) { Trace.TraceError("Exception:{1} \r\n --> Error executing command:\r\n {0}", command.CommandText, interceptionContext.Exception.ToString()); } else { Trace.TraceInformation("\r\n执行时间:{0} 毫秒\r\n-->NonQueryExecuted.Command:\r\n{1}", _stopwatch.ElapsedMilliseconds, command.CommandText); } base.NonQueryExecuted(command, interceptionContext); } public override void ReaderExecuting(DbCommand command, DbCommandInterceptionContext<DbDataReader> interceptionContext) { //command.CommandText += " AND 1=1"; base.ReaderExecuting(command, interceptionContext); _stopwatch.Restart(); } public override void ReaderExecuted(DbCommand command, DbCommandInterceptionContext<DbDataReader> interceptionContext) { _stopwatch.Stop(); if (interceptionContext.Exception != null) { Trace.TraceError("Exception:{1} \r\n --> Error executing command:\r\n {0}", command.CommandText, interceptionContext.Exception.ToString()); } else { Trace.WriteLine("线程：" + System.Threading.Thread.CurrentThread.ManagedThreadId); Trace.TraceInformation("\r\n执行时间:{0} 毫秒 \r\n -->ReaderExecuted.Command:\r\n{1}", _stopwatch.ElapsedMilliseconds, command.CommandText); } base.ReaderExecuted(command, interceptionContext); } }

 

//EF监控
DbInterception.Add(new EFIntercepterLogging());

 

DbCommandInterceptor抓取EF执行时的SQL语句

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