using System;
using System.Diagnostics;
using System.IO;
using System.Text;namespace Cactus.Common
{/// <summary>/// 常用IO操作类/// </summary>public class IOHelper{/// <summary>/// 系统路径转换为web路径地址/// </summary>/// <param name="fullPath">文件完整地址</param>/// <param name="AppPath">应用地址</param>/// <param name="dHear">是否去掉首部的分隔符</param>/// <returns></returns>public static string WebPathParse(string fullPath,string appPath,bool dHear){string sys = Path.DirectorySeparatorChar.ToString();string web = @"/";//web的分隔符if (fullPath.StartsWith(appPath)){string webPath = fullPath.Remove(0, appPath.Length);webPath = webPath.Replace(sys, web);if (webPath.StartsWith(web) == false){webPath = web + webPath;}if (dHear){webPath = IOHelper.RemoveHead(webPath, web);}return webPath;}else {return "";}}/// <summary>/// web路径地址转换为系统路径/// </summary>/// <param name="appPath">应用路径</param>/// <param name="webPath">web路径</param>/// <param name="dHear">是否去掉首部的路径分隔符</param>/// <returns></returns>public static string SysPathParse(string appPath, string webPath, bool dHear){string sys = Path.DirectorySeparatorChar.ToString();string web = @"/";//web的分隔符webPath = webPath.Replace(web, sys);if (dHear){webPath = IOHelper.RemoveHead(webPath, sys);}string result="";if (appPath.EndsWith(sys)){if (webPath.StartsWith(sys)){result = appPath + webPath.Remove(0,1);}else{result = appPath + webPath;}}else {if (webPath.StartsWith(sys)){result = appPath + webPath;}else {result = appPath + sys + webPath;}}return result;}/// <summary>/// 路径解析转换,转化成符合当前系统的路径符号/// </summary>/// <param name="path">路径</param>/// <param name="flag">（路径的类型）1：windows \ 2：linux /（linux和web网页的分隔相符）</param>/// <param name="dHear">是否去掉首部的路径分隔符</param>/// <returns></returns>public static string PathParse(string path, int flag, bool dHear) { string win = @"\";string linux = @"/";string sys=Path.DirectorySeparatorChar.ToString();if (flag == 1){path = path.Replace(win, sys);}else if (flag == 2){path = path.Replace(linux, sys);}if (dHear) {path = IOHelper.RemoveHead(path, sys);}return path;}/// <summary>/// (递归)去掉所有首部出现的字符串/// </summary>/// <param name="str">源字符串</param>/// <param name="headStr">首部出现的字符串</param>/// <returns></returns>public static string RemoveHead(string str, string headStr){if (str.StartsWith(headStr)){str = str.Remove(0, headStr.Length);return RemoveHead(str, headStr);}else {return str;}}/// <summary>  /// 返回指定目录下目录信息  /// </summary>  /// <param name="strDirectory">路径</param>  /// <returns></returns>  public static DirectoryInfo[] GetDirectory(string strDirectory){if (string.IsNullOrEmpty(strDirectory) == false){return new DirectoryInfo(strDirectory).GetDirectories();}return new DirectoryInfo[] { };}/// <summary>  /// 返回指定目录下所有文件信息  /// </summary>  /// <param name="strDirectory">路径</param>  /// <returns></returns>  public static FileInfo[] GetFiles(string strDirectory){if (string.IsNullOrEmpty(strDirectory) == false){return new DirectoryInfo(strDirectory).GetFiles();}return new FileInfo[] { };}/// <summary>///  返回指定目录下过滤文件信息  /// </summary>/// <param name="strDirectory">目录地址</param>/// <param name="filter"></param>/// <returns></returns>public static FileInfo[] GetFiles(string strDirectory, string filter){if (string.IsNullOrEmpty(strDirectory) == false){return new DirectoryInfo(strDirectory).GetFiles(filter, SearchOption.TopDirectoryOnly);}return new FileInfo[] { };}/// <summary>/// debug输出/// </summary>/// <param name="ex"></param>public static void WriteDebug(Exception ex){Debug.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));Debug.WriteLine("Data:" + ex.Data + Environment.NewLine+ " InnerException:" + ex.InnerException + Environment.NewLine+ " Message:" + ex.Message + Environment.NewLine+ " Source:" + ex.Source + Environment.NewLine+ " StackTrace:" + ex.StackTrace + Environment.NewLine+ " TargetSite:" + ex.TargetSite);}/// <summary>/// 控制台数据错误/// </summary>/// <param name="ex"></param>public static void WriteConsole(Exception ex){Console.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));Console.WriteLine("Data:" + ex.Data + Environment.NewLine+ " InnerException:" + ex.InnerException + Environment.NewLine+ " Message:" + ex.Message + Environment.NewLine+ " Source:" + ex.Source + Environment.NewLine+ " StackTrace:" + ex.StackTrace + Environment.NewLine+ " TargetSite:" + ex.TargetSite);}/// <summary>/// 错误记录/// </summary>/// <param name="ex"></param>public static void WriteLog(Exception ex){WriteLog(ex,null);}/// <summary>/// 错误记录/// </summary>/// <param name="ex">错误信息</param>/// <param name="appendInfo">追加信息</param>public static void WriteLog(Exception ex, string appendInfo) {if (string.IsNullOrEmpty(appendInfo)){WriteLog("Data:" + ex.Data + Environment.NewLine+ " InnerException:" + ex.InnerException + Environment.NewLine+ " Message:" + ex.Message + Environment.NewLine+ " Source:" + ex.Source + Environment.NewLine+ " StackTrace:" + ex.StackTrace + Environment.NewLine+ " TargetSite:" + ex.TargetSite);}else {WriteLog("Data:" + ex.Data + Environment.NewLine+ " InnerException:" + ex.InnerException + Environment.NewLine+ " Message:" + ex.Message + Environment.NewLine+ " Source:" + ex.Source + Environment.NewLine+ " StackTrace:" + ex.StackTrace + Environment.NewLine+ " TargetSite:" + ex.TargetSite + Environment.NewLine+ " appendInfo:" + appendInfo);}}/// <summary>/// 写log/// </summary>/// <param name="InfoStr"></param>public static void WriteLog(string InfoStr){WriteLog(InfoStr, AppDomain.CurrentDomain.BaseDirectory + Path.DirectorySeparatorChar + "Log");}/// <summary>/// 写log(自动时间log)/// </summary>/// <param name="InfoStr">内容</param>/// <param name="FilePath">目录地址</param>public static void WriteLog(string InfoStr, string DirPath){WriteLog(InfoStr, DirPath, Encoding.UTF8);}/// <summary>/// 写log(自动时间log)/// </summary>/// <param name="InfoStr">内容</param>/// <param name="DirPath">目录地址</param>/// <param name="encoding">编码</param>public static void WriteLog(string InfoStr, string DirPath, Encoding encoding){FileStream stream = null;System.IO.StreamWriter writer = null;try{string logPath = DirPath;if (Directory.Exists(logPath) == false){Directory.CreateDirectory(logPath);}string filepath = logPath + Path.DirectorySeparatorChar + "log_" + DateTime.Now.ToString("yyyyMMddHH") + ".txt";if (File.Exists(filepath) == false){stream = new FileStream(filepath, FileMode.CreateNew, FileAccess.Write, FileShare.ReadWrite);}else{stream = new FileStream(filepath, FileMode.Append, FileAccess.Write, FileShare.ReadWrite);}writer = new System.IO.StreamWriter(stream, encoding);writer.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));writer.WriteLine(InfoStr);writer.WriteLine("");}finally{if (writer != null){//writer.Close();
                    writer.Dispose();}//if (stream != null)//{//    //stream.Close();//    stream.Dispose();//}
            }}/// <summary>/// 写log到指定文件（不存在就创建）/// </summary>/// <param name="InfoStr">内容</param>/// <param name="FilePath">文件地址</param>public static void WriteLogToFile(string InfoStr, string FilePath){WriteLogToFile(InfoStr, FilePath,Encoding.UTF8);}/// <summary>/// 写log到指定文件（不存在就创建）/// </summary>/// <param name="InfoStr">内容</param>/// <param name="FilePath">文件地址</param>/// <param name="encoding">编码</param>public static void WriteLogToFile(string InfoStr, string FilePath, Encoding encoding){FileStream stream = null;System.IO.StreamWriter writer = null;try{string logPath = FilePath;if (File.Exists(logPath) == false){stream = new FileStream(logPath, FileMode.CreateNew, FileAccess.Write, FileShare.ReadWrite);}else{stream = new FileStream(logPath, FileMode.Append, FileAccess.Write, FileShare.ReadWrite);}writer = new System.IO.StreamWriter(stream, encoding);writer.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));writer.WriteLine(InfoStr);writer.WriteLine("");}finally{if (writer != null){//writer.Close();
                    writer.Dispose();}//if (stream != null)//{//    //stream.Close();//    stream.Dispose();//}
            }}/// <summary>/// 写内容到指定文件（不存在就创建）/// </summary>/// <param name="InfoStr">内容</param>/// <param name="FilePath">文件地址</param>/// <param name="encoding">编码</param>/// <param name="append">是否追加</param>public static void WriteInfoToFile(string InfoStr, string FilePath, Encoding encoding,bool append){FileStream stream = null;System.IO.StreamWriter writer = null;try{string logPath = FilePath;if (File.Exists(logPath) == false){stream = new FileStream(logPath, FileMode.CreateNew, FileAccess.Write, FileShare.ReadWrite);writer = new System.IO.StreamWriter(stream, encoding);}else{//存在就覆盖writer = new System.IO.StreamWriter(logPath, append, encoding);}writer.Write(InfoStr);}finally{if (writer != null){//writer.Close();
                    writer.Dispose();}//if (stream != null)//{//    //stream.Close();//    stream.Dispose();//}
            }}/// <summary>/// /// </summary>/// <param name="InfoStr"></param>/// <param name="FilePath"></param>/// <param name="encoding"></param>public static void WriteInfoToFile(string InfoStr, string FilePath, Encoding encoding) {WriteInfoToFile(InfoStr, FilePath, encoding,false);}/// <summary>/// /// </summary>/// <param name="InfoStr"></param>/// <param name="FilePath"></param>public static void WriteInfoToFile(string InfoStr, string FilePath){WriteInfoToFile(InfoStr, FilePath, Encoding.UTF8, false);}/// <summary>/// /// </summary>/// <param name="datagram"></param>/// <param name="FilePath"></param>/// <param name="callback"></param>/// <param name="numBytes"></param>public static void AsyncWriteLog(byte[] datagram, string FilePath, AsyncCallback callback, int numBytes){FileStream stream = null;try{string logPath = FilePath;if (File.Exists(logPath) == false){stream = new FileStream(logPath, FileMode.CreateNew, FileAccess.Write, FileShare.ReadWrite);}else{stream = new FileStream(logPath, FileMode.Append, FileAccess.Write, FileShare.ReadWrite);}if (stream.CanWrite){stream.BeginWrite(datagram, 0, numBytes, callback, "AsyncWriteLog_" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));}else{throw new Exception("文件无法写入，文件或只读！");}}finally{if (stream != null){//stream.Close();
                    stream.Dispose();}}}/// <summary>/// /// </summary>/// <param name="datagram"></param>/// <param name="FilePath"></param>/// <param name="numBytes"></param>public static void AsyncWriteLog(byte[] datagram, string FilePath, int numBytes){AsyncWriteLog(datagram, FilePath, new AsyncCallback(AsyncCallbackFunc), numBytes);}public static void AsyncCallbackFunc(IAsyncResult result){FileStream filestream = result.AsyncState as FileStream;filestream.EndWrite(result);filestream.Close();}/// <summary>/// 文本转义（方便讲文本转换成C#变量代码）/// 例子 " 转化成 string str="\"";/// </summary>/// <param name="str"></param>/// <returns></returns>public static string ToEscape(string str, string m_var){/*"           \"\           \\*/str = str.Trim();str = str.Replace("\\", "\\\\");str = str.Replace("\"", "\\\"");return "string " + m_var + "=\"" + str + "\";";}public static string ReadTxt(string filePath) {return ReadTxt(filePath, Encoding.UTF8);}/// <summary>/// /// </summary>/// <param name="filePath"></param>/// <param name="enc"></param>/// <returns></returns>public static string ReadTxt(string filePath, Encoding enc) {FileStream stream = null;System.IO.StreamReader reader = null;string result = "";try{if (File.Exists(filePath) == false){stream = new FileStream(filePath, FileMode.CreateNew, FileAccess.Read, FileShare.ReadWrite);}else{stream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);reader = new System.IO.StreamReader(stream, enc);result = reader.ReadToEnd();}}catch (Exception e){WriteLog(e);}finally{if (reader != null){//reader.Close();
                    reader.Dispose();}//if (stream != null)//{//    //stream.Close();//    stream.Dispose();//}
            }return result;}/// <summary>/// 读取Appliction目录下的文件/// </summary>/// <param name="filePath"></param>/// <param name="enc"></param>/// <returns></returns>public static string AppReadTxt(string filePath, Encoding enc){string appPath = AppDomain.CurrentDomain.BaseDirectory;string path = appPath + filePath;return ReadTxt(path, enc);}/// <summary>/// 读取Appliction目录下的文件（UTF-8）/// </summary>/// <param name="filePath"></param>/// <returns></returns>public static string AppReadTxt(string filePath){return AppReadTxt(filePath, System.Text.Encoding.UTF8);}}
}