问Asp.net核心线程安全全局变量

EN

private static object _requestLock = new object();

public string UpdateCounter()
{
  // it can be as well Config table with lots of different records and one of them would be Counter value
  var counter = _dbContext.Counters.FirstOfDefault();

  lock (_requestLock)
  {
    counter.Value++;
  }

  _dbContext.SaveChanges();
}