任何人都可以为nlog提供一个非常样本的自定义layoutrenderer吗?
我想通过示例
进行日志记录缩进如果我从方法C调用方法B
文本日志文件如下:
Inside Method C
Inside Method B
等等。
答案 0 :(得分:7)
这里是:
[LayoutRenderer("IndentationLayout")]
public sealed class IndentationLayoutRenderer : LayoutRenderer
{
// Value to substract from stack count
private uint _ignore = 12;
// Value to pad with.
private string _ipadding = "| ";
/// <summary>Set the number of (top) stackframes to ignore</summary>
public uint Ignore
{
get { return _ignore; }
set { _ignore = value; }
}
/// <summary>Set the padding value</summary>
public string IndentationPadding
{
get { return _ipadding; }
set { _ipadding = value; }
}
protected override void Append(StringBuilder builder, LogEventInfo ev)
{
// Get current stack depth, insert padding chars.
StackTrace st = new StackTrace();
long indent = st.FrameCount;
indent = indent > _ignore ? indent - _ignore : 0;
for (int i = 0; i < indent; ++i)
{
builder.Append(_ipadding);
}
}
}
注册:
if(NLog.Config.ConfigurationItemFactory.Default.LayoutRenderers.AllRegisteredItems.ContainsKey(
"IndentationLayout"))
return;
NLog.Config.ConfigurationItemFactory.Default.LayoutRenderers.RegisterDefinition("IndentationLayout", typeof(IndentationLayoutRenderer));