WINCE 读取INI文件

using System;using System.IO;namespace DeviceApplication4{    public class IniFile    {        /************************************************************************/        /*写操作         * strSection   节         * strKey       键         * strValue     需要写入的值         * strFilePath  配置文件的全路径（wince中只能使用绝对全路径）         */        /************************************************************************/        public static void PutINI(string strSection, string strKey, string strValue, string strFilePath)        {            INICommon(false, strSection, strKey, strValue, strFilePath);        }        /************************************************************************/        /* 读操作         * strSection   节         * strKey       键         * strDefault   如果未找到相应键对应的值则填入此值         * strFilePath  配置文件的全路径（wince中只能使用绝对全路径）         * 返回：       指定键的相应值         * 说明：       如果在文件中未找到相应节则添加，未找到相应键亦添加，如果键对应的值为空串则使用默认值填充ini文件并返回        /************************************************************************/        public static string GetINI(string strSection, string strKey, string strDefault, string strFilePath)        {            return INICommon(true, strSection, strKey, strDefault, strFilePath);        }        private static string[] Split(string input, string pattern)        {            string[] arr = System.Text.RegularExpressions.Regex.Split(input, pattern);            return arr;        }        private static void AppendToFile(string strPath, string strContent)        {            FileStream fs = new FileStream(strPath, FileMode.Append);            StreamWriter streamWriter = new StreamWriter(fs, System.Text.Encoding.Default);            streamWriter.BaseStream.Seek(0, SeekOrigin.End);            streamWriter.WriteLine(strContent);            streamWriter.Flush();            streamWriter.Close();            fs.Close();        }        private static void WriteArray(string strPath, string[] strContent)        {            FileStream fs = new FileStream(strPath, FileMode.Truncate);            StreamWriter streamWriter = new StreamWriter(fs, System.Text.Encoding.Default);            streamWriter.BaseStream.Seek(0, SeekOrigin.Begin);            for (int i = 0; i < strContent.Length; i++)            {                if (strContent[i].Trim() == "\r\n")                    continue;                streamWriter.WriteLine(strContent[i].Trim());            }            streamWriter.Flush();            streamWriter.Close();            fs.Close();        }        //INI文件解析查找        private static string INICommon(bool isRead, string ApplicationName, string KeyName, string Default, string FileName)        {            string strSection = "[" + ApplicationName + "]";            string strBuf;            try            {                //a.文件不存在则创建                if (!File.Exists(FileName))                {                    FileStream sr = File.Create(FileName);                    sr.Close();                }                //读取INI文件                System.IO.StreamReader stream = new System.IO.StreamReader(FileName, System.Text.Encoding.Default);                strBuf = stream.ReadToEnd();                stream.Close();            }            catch (Exception e)            {                //MessageBox.Show(e.ToString(), "INI文件读取异常");                return Default;            }            string[] rows = Split(strBuf, "\r\n");            string oneRow;            int i = 0;            for (; i < rows.Length; i++)            {                oneRow = rows[i].Trim();                //空行                if (0 == oneRow.Length)                    continue;                //此行为注释                if (';' == oneRow[0])                    continue;                //没找到                if (strSection != oneRow)                    continue;                //找到了                break;            }            //b.没找到对应的section，创建一节并创建属性            if (i >= rows.Length)            {                AppendToFile(FileName, "\r\n" + strSection + "\r\n" + KeyName + "=" + Default);                return Default;            }            //找到section            i += 1; //跳过section             int bakIdxSection = i;//备份section的下一行            string[] strLeft;            //查找属性            for (; i < rows.Length; i++)            {                oneRow = rows[i].Trim();                //空行                if (0 == oneRow.Length)                    continue;                //此行为注释                if (';' == oneRow[0])                    continue;                //越界                if ('[' == oneRow[0])                    break;                strLeft = Split(oneRow, "=");                if (strLeft == null || strLeft.Length != 2)                    continue;                //找到属性                if (strLeft[0].Trim() == KeyName)                {                    //读                    if (isRead)                    {                        //c.找到属性但没有值                        if (0 == strLeft[1].Trim().Length)                        {                            rows[i] = strLeft[0].Trim() + "=" + Default;                            WriteArray(FileName, rows);                            return Default;                        }                        else                        {                            //找到了                                                    return strLeft[1].Trim();                        }                    }                    //写                    else                    {                        rows[i] = strLeft[0].Trim() + "=" + Default;                        WriteArray(FileName, rows);                        return Default;                    }                }            }            //d.没找到对应的属性,创建之并赋为默认            rows[bakIdxSection] = rows[bakIdxSection] + "\r\n" + KeyName + "=" + Default;            WriteArray(FileName, rows);            return Default;        }    }}