C#写日志类实例

本文实例讲述了c#写日志类，分享给大家供大家参考。

具体实现方法如下：

using system;
using system.configuration;
using system.io;
using system.threading;

namespace fqdservice.utils
{
    /// <summary>
    /// 写日志类
    /// </summary>
    public class filelogger
    {
        #region 字段
        public static readonly object _lock = new object();
        #endregion

        #region 写文件
        /// <summary>
        /// 写文件
        /// </summary>
        public static void writefile(string log, string path)
        {
            thread thread = new thread(new parameterizedthreadstart(delegate(object obj)
            {
                lock (_lock)
                {
                    if (!file.exists(path))
                    {
                        using (filestream fs = new filestream(path, filemode.create)) { }
                    }

                    using (filestream fs = new filestream(path, filemode.append, fileaccess.write))
                    {
                        using (streamwriter sw = new streamwriter(fs))
                        {
                            #region 日志内容
                            string value = string.format(@"{0}
--------------------------------------------------------
{1}

", datetime.now.tostring("yyyy-mm-dd hh:mm:ss"), obj.tostring());
                            #endregion

                            sw.writeline(value);
                            sw.flush();
                        }
                    }
                }
            }));
            thread.start(log);
        }
        #endregion

        #region 写日志
        /// <summary>
        /// 写日志
        /// </summary>
        public static void writelog(string log)
        {
            string logpath = configurationmanager.appsettings["logpath"] + "\\fqdservice_log.txt";
            writefile(log, logpath);
        }
        #endregion

        #region 写错误日志
        /// <summary>
        /// 写错误日志
        /// </summary>
        public static void writeerrorlog(string log)
        {
            string logpath = configurationmanager.appsettings["logpath"] + "\\fqdservice_errorlog.txt";
            writefile(log, logpath);
        }
        #endregion

    }
}

希望本文所述对大家的c#程序设计有所帮助。