简单日志记录类

public class LogWriter
{
        public void WriteToLog(string source,string targetSite,string message, string logPath)
        {
            try
            {
                //此日志文件存在
                if (File.Exists(logPath))
                {
                    FileInfo log = new FileInfo(logPath);
                    //获取文件大小
                    float size = (float)log.Length / (1024 * 1024);
                    if (size >= 1)
                    {
                        //清除日志文件
                        File.Delete(logPath);
                    }
                }

                StreamWriter logWriter = new StreamWriter(logPath, true, Encoding.Default);
                logWriter.WriteLine("错误发生时间："+DateTime.Now.ToString());
                logWriter.WriteLine("错误来源："+source);
                logWriter.WriteLine("错误方法："+targetSite);
                logWriter.WriteLine("错误消息："+message+"\r\n");
                logWriter.Close();
            }
            catch
            {

            }
        }
}