/// <summary>
/// 删除指定类型旧日志
///
/// 默认删除60天之前的日志
/// </summary>
/// <param name="logCategory">LogCategory对象</param>
public void DeleteOldLog(string logCategory)
{
RollingFileAppender.DeleteOldFile(this.filePath, this.holdDays, logCategory);
}
/// <summary>
/// 删除所有的旧日志
///
/// 默认删除60天之前的日志
/// </summary>
public void DeleteOldLog()
{
RollingFileAppender.DeleteOldFile(this.filePath, this.holdDays);
}