手动封装C# Logger类

手动封装C# Logger类
单例模式:

/// <summary>
/// 日志类
/// </summary>
class Logger
{
    /// <summary>
    /// 单例对象
    /// </summary>
    private static readonly Logger logger=new Logger();
    /// <summary>
    /// 文件夹名
    /// </summary>
    private static string FilePath;
    /// <summary>
    /// 文件名
    /// </summary>
    private static string FileName;
    /// <summary>
    /// 私有化自身构造器
    /// </summary>
    private Logger() { }
    /// <summary>
    /// 创建单例对象
    /// </summary>
    /// <param name="name">文件名</param>
    /// <returns>返回Logger</returns>
    public static Logger Create(string name = "log.txt", string directoryName = "")
    {
        var currentDir = AppDomain.CurrentDomain.BaseDirectory;
        FilePath = currentDir+"//"+directoryName;
        FileName = name;
        return logger;
    }
    /// <summary>
    /// 写入日志
    /// </summary>
    /// <param name="content">内容</param>
    /// <param name="type">类型</param>
    public void Write(string content,string type="None",bool useTD=false)
    {
        var allPath = FilePath + "//" + FileName;
        try
        {
            lock(typeof(Logger))
            {
                if (!Directory.Exists(FilePath))
                    Directory.CreateDirectory(FilePath);
                using (var wr = new StreamWriter(path: allPath, append: true))
                {
                    wr.WriteLine("[{0}]:{1}\n{2}", type,DateTime.UtcNow, content);
                }
            }
        }
        catch (Exception e)
        {
            throw new Exception(e + "创建日志文件失败!");
        }
    }
    /// <summary>
    /// 写入信息日志
    /// </summary>
    /// <param name="content">内容</param>
    public void Info(string content)=>Write(content, type:"Info");
    /// <summary>
    /// 写入警告日志
    /// </summary>
    /// <param name="content">内容</param>
    public void Warn(string content)=>Write(content, type: "Warn");
    /// <summary>
    /// 写入错误日志
    /// </summary>
    /// <param name="content">内容</param>
    public void Error(string content)=>Write(content, type: "Error");
    /// <summary>
    /// 写入致命错误日志
    /// </summary>
    /// <param name="content">内容</param>
    public void Fatal(string content)=>Write(content, type: "Fatal");
    /// <summary>
    /// 写入查错日志
    /// </summary>
    /// <param name="content">内容</param>
    public void Debug(string content)=>Write(content, type: "Debug");
    /// <summary>
    /// 清理日志文件
    /// </summary>
    public void Clear()
    {
        var allPath = FilePath + "//" + FileName;
        File.Delete(allPath);
    }
}