异常 集中异步处理

public class DataStorage
{
public async Task WriteFile(string key, object value)
{
try
{
var jsonValue = JsonConvert.SerializeObject(value);
using (var file = await folder.OpenStreamForWriteAsync(key, CreationCollisionOption.ReplaceExisting))
using (var stream = new StreamWriter(file))
await stream.WriteAsync(jsonValue);
}
catch (Exception exception)
{
AsyncErrorHandler.HandleException(exception);
}
}
}

public static class AsyncErrorHandler
{
public static void HandleException(Exception exception)
{
Debug.WriteLine(exception);
}
}