小弟不才，能在园子里与天才们共同学习实在是三生有幸。在以后的日子里，小弟会写一些自己的程序设计思想，贴一些低级的代码。还希望天才们不吝鞭策小弟，让小弟能托众兄之福，得以提高。小弟致敬。

人世间最痛苦的事是人死了钱没花了，程序员最悲哀的事是人走了BUG没处理好。所以依小弟拙见程序的健壮性尤为重要，那么针对此问题，小弟无才，不能全面刨析程序运行时的怪异（一般也就是像小弟这样的，代码写的太畸形，导致程序怪异）。为了解决畸形代码，鼓励踹程序，踹了之后记录下来，方便我们日后分析，逐渐提升自身代码规范安全。

代码如下：

LogManager

<!--

Code highlighting produced by Actipro CodeHighlighter (freeware)
http://www.CodeHighlighter.com/

-->using System;
using System.Text;
using System.IO;

namespace Paul.Log
{
    #region 日志类型枚举
    public enum LogType
    {
        未定义, 操作, 异常
    }
    #endregion

    /// 
    /// 日志管理
    /// 
    public class LogManager
    {
        #region 私有字段
        private Guid _guid;                     //日志标识
        private DateTime _createDateTime;       //日志创建日期
        private string _logName;                //日志名称
        private string _content;                //日志内容
        private LogType _logType;               //日志类型
        private string _path;                   //日志完整路径
        #endregion

        #region 公有属性
        public Guid Guid
        {
            get
            {
                if (_guid == null)
                {
                    _guid = Guid.NewGuid();
                }
                return _guid;
            }
            set { _guid = value; }
        }
        public DateTime CreateDateTime
        {
            get
            {
                if (_createDateTime == null)
                {
                    _createDateTime = DateTime.Now;
                }
                return _createDateTime;
            }
            set { _createDateTime = value; }
        }
        public string LogName
        {
            get { return _logName; }
            set { _logName = value; }
        }
        public string Content
        {
            get { return _content; }
            set { _content = value; }
        }
        public LogType LogType
        {
            get { return _logType; }
            set { _logType = value; }
        }
        public string Path
        {
            get { return _path; }
            set { _path = value; }
        }
        #endregion

        #region 构造方法
        /// 
        /// 创建日志对象
        /// 
        /// 
        /// 
        /// 
        /// 
        /// 
        /// 
        public LogManager(Guid guid, DateTime createDateTime, string logName, string content, LogType logType, string _path)
        {
            this._guid = guid;
            this._createDateTime = createDateTime;
            this._logName = logName;
            this._content = content;
            this._logType = logType;
            this._path = Path;
        }

        public LogManager(string content, LogType logType, string path)
        {
            this._content = content;
            this._logType = logType;
            this.Path = path;
        }

        public LogManager(string content, LogType logType)
        {
            this._content = content;
            this._logType = logType;
        }

        public LogManager() { }
        #endregion

        #region 公有方法
        /// 
        /// 创建新日志文件并写入日志内容
        /// 
        public void CreateLogFileAndWriteContent()
        {
            //获取文件后缀名
            string suffix = this._path.Substring(this._path.LastIndexOf('.') + 1, 3);
            if (Directory.Exists(_path) == false)
            {
                try
                {
                    Directory.CreateDirectory(_path.Substring(0, this._path.LastIndexOf('/')));
                }
                catch (Exception)
                {
                    throw new Exception("文件路径错误！");
                }
            }
            if (suffix != "txt")
            {
                throw new Exception("请指定完整路径（包括文件后缀名）！");
            }
            else if (File.Exists(this._path))
            {
                throw new Exception("该日志文件名已经存在，请尝试调用追加方法");
            }
            else
            {
                FileStream fs;
                fs = new FileStream(this._path, FileMode.Create);
                WriteLogMethod(fs);
                fs.Close();
            }
        }

        /// 
        /// 追加日志
        /// 
        public void Appread()
        {
            try
            {
                AppendLog();
            }
            catch (Exception)
            {
                throw new Exception("追加异常，检查变量是否正常");
            }
        }
        #endregion

        #region 私有方法
        /// 
        /// 写入新日志
        /// 
        /// 
        private void WriteLogMethod(FileStream fs)
        {
            using (StreamWriter sw = new StreamWriter(fs))
            {
                sw.WriteLine("******************************************************");
                sw.WriteLine(string.Format("日志标识：{0}", this._guid));
                sw.WriteLine(string.Format("日志类型：{0}", this._logType));
                sw.WriteLine(string.Format("日志名称：{0}", this._logName));
                sw.WriteLine(string.Format("日志日期：{0}", this._createDateTime));
                sw.WriteLine("------------------------------------------------------");
                sw.WriteLine(string.Format("日志内容：{0}", this._content));
                sw.WriteLine("------------------------------------------------------");
                sw.WriteLine("******************************************************");
                sw.Close();
            }
        }

        /// 
        /// 追加日志
        /// 
        private void AppendLog()
        {
            using (StreamWriter sw = File.AppendText(this._path))
            {
                sw.WriteLine(string.Format("日志标识：{0}", this._guid));
                sw.WriteLine(string.Format("日志类型：{0}", this._logType));
                sw.WriteLine(string.Format("日志名称：{0}", this._logName));
                sw.WriteLine(string.Format("日志日期：{0}", this._createDateTime));
                sw.WriteLine("------------------------------------------------------");
                sw.WriteLine(string.Format("日志内容：{0}", this._content));
                sw.WriteLine("------------------------------------------------------");
                sw.WriteLine("******************************************************");
                sw.Close();
            }
        }
        #endregion
    }
}

测试如下：

测试代码

<!--

Code highlighting produced by Actipro CodeHighlighter (freeware)
http://www.CodeHighlighter.com/

-->using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace LogTest
{
    class Test
    {
        static void Main()
        {
            Paul.Log.LogManager lm = new Paul.Log.LogManager();
            try
            {
                string s = null;
                s.ToString();
            }
            catch (Exception ex)
            {
                lm.Guid = Guid.NewGuid();
                lm.CreateDateTime = DateTime.Now;
                lm.LogName = ex.Message;
                lm.LogType = Paul.Log.LogType.异常;
                lm.Path = "Log/error.txt";
                lm.Content = ex.StackTrace;
                lm.Appread();
            }
        }
    }
}

还望不吝赐教，指出BUG，小弟修正。

ITPub博客

程序运行时生成日志（针对程序异常，用户操作失败）

最新文章