1. 读取键值
public static int UPLOAD_FILE_SIZE
{
get
{
string strSize = objIniFile.ReadString("FileUpload", "UploadFileSize", "");
return Convert.ToInt32(strSize);
}
}
2. 读取ini文件的类
{
public class IniFile
{
#region 外部导入函数
//对ini文件进行写操作的函数
//[DllImport("kernel32",CharSet = CharSet.Auto)]
//protected static extern long WritePrivateProfileString(string section,string key,string val,string filePath);
//对ini文件进行读操作的函数
//[DllImport("kernel32",CharSet = CharSet.Auto)]
//protected static extern int GetPrivateProfileString(string section,string key,string def, StringBuilder retVal,int size,string filePath);
#endregion
private string m_fileName; //用于存放ini文件的路径和名称
private Hashtable m_sections; //用于存放整个ini文件的内容
public string FileName
{
get
{
return m_fileName;
}
}
/// <summary>
/// IniFile的构造函数
/// </summary>
/// <param name="fileName">ini文件的路径和名称</param>
public IniFile(string fileName)
{
m_fileName = fileName;
m_sections = new Hashtable();
LoadValues();
}
//~IniFile()
//{
// m_sections = null;
//}
/// <summary>
/// 装载Ini文件的内容
/// </summary>
private void LoadValues()
{
bool aa = File.Exists(m_fileName);
if ((m_fileName.Trim() != "") && (File.Exists(m_fileName)))
{
//GetEncoding("gb2312") 访止读取中文时出现乱码
using (StreamReader sr = new StreamReader(m_fileName,System.Text.Encoding.GetEncoding("gb2312")))
{
SetStrings(sr);
}
}
}
/// <summary>
/// 添加一个ini文件的Section
/// </summary>
/// <param name="item">section的名字</param>
/// <returns>添加的section</returns>
private Hashtable AddSection(string item)
{
Hashtable sectionsItem = new Hashtable();
m_sections.Add(item, sectionsItem);
return sectionsItem;
}
/// <summary>
/// 将ini文件的内容读取到内存当中
/// </summary>
/// <param name="sr">读取文件的流</param>
private void SetStrings(StreamReader sr)
{
String line;
Hashtable sectionsKeys = null;
int splitPos;
string keyName, keyValue;
while ((line = sr.ReadLine()) != null)
{
line = line.Trim();
if (line == "") continue;
if (line.Substring(0, 1) != ";") //表示ini文件中的注释行
{
if ((line.Substring(0, 1) == "[") && (line.Substring(line.Length - 1, 1) == "]"))
{
line = line.Substring(1, line.Length - 2);
sectionsKeys = AddSection(line.Trim());
}
else
{
splitPos = line.IndexOf('=');
if ((splitPos > 0) && (sectionsKeys != null))
{
keyName = line.Substring(0, splitPos).Trim();
if (keyName.Length == 0)
{
throw new Exception("IniFile Syntax Error!");
}
if (keyName.Length < line.Length - 1)
{
keyValue = line.Substring(splitPos + 1, line.Length - 1 - splitPos);
}
else
{
keyValue = "";
}
sectionsKeys.Add(keyName, keyValue);
}
}
}
}
}
/// <summary>
/// 将内容写回到Ini文件当中
/// </summary>
public void UpdateFile()
{
Hashtable sectionsItem;
//if (File.Exists(m_fileName))
//{
// File.Delete(m_fileName);
//}
using (StreamWriter sw = new StreamWriter(m_fileName))
{
foreach (DictionaryEntry scnItem in m_sections)
{
sw.WriteLine("[" + (string)scnItem.Key + "]");
sectionsItem = (Hashtable)m_sections[(string)scnItem.Key];
foreach (DictionaryEntry keyItem in sectionsItem)
{
sw.WriteLine((string)keyItem.Key + "=" + (string)keyItem.Value);
}
sw.WriteLine("");
}
sw.Close();
}
}
/// <summary>
/// 读取Ini文件所有的section
/// </summary>
/// <returns>以ArrayList形式返回以字符串表示的section</returns>
public ArrayList ReadSections()
{
ArrayList sectionList = new ArrayList();
foreach (DictionaryEntry item in m_sections)
{
sectionList.Add((string)item.Key);
}
return sectionList;
}
/// <summary>
/// 读取Ini文件的一个section中的所有key
/// </summary>
/// <param name="sectionName">要读取的section</param>
/// <returns>以ArrayList形式返回以字符串表示的kry</returns>
public ArrayList ReadKeys(string sectionName)
{
ArrayList keyList = new ArrayList();
Hashtable sectionsItem = (Hashtable)m_sections[sectionName.Trim()];
foreach (DictionaryEntry item in sectionsItem)
{
keyList.Add((string)item.Key);
}
return keyList;
}
/// <summary>
/// 判断一个section是否存在
/// </summary>
/// <param name="sectionName">要检查的section的名字</param>
/// <returns>如果section存在,则返回true,否则返回false</returns>
public bool SectionExists(string sectionName)
{
return m_sections.ContainsKey(sectionName.Trim());
}
/// <summary>
/// 判断一个key在一个section中是否存在
/// </summary>
/// <param name="sectionName">所指定的section</param>
/// <param name="keyName">所要检查的key的名字</param>
/// <returns>如果此key在这个section中存在,则返回true,否则返回false</returns>
public bool KeyExists(string sectionName, string keyName)
{
sectionName = sectionName.Trim();
if (!m_sections.ContainsKey(sectionName))
{
return false;
}
return ((Hashtable)m_sections[sectionName]).ContainsKey(keyName.Trim());
}
/// <summary>
/// 删除一个section
/// </summary>
/// <param name="sectionName">所要删除的section的名字</param>
public void EraseSection(string sectionName)
{
m_sections.Remove(sectionName);
}
/// <summary>
///在一个sectionk中删除一个key
/// </summary>
/// <param name="sectionName">所指定的section</param>
/// <param name="keyName">所要删除的key的名字</param>
public void DeleteKey(string sectionName, string keyName)
{
sectionName = sectionName.Trim();
if (!m_sections.ContainsKey(sectionName))
{
return;
}
((Hashtable)m_sections[sectionName]).Remove(keyName.Trim());
}
/// <summary>
/// 读取键的值.
/// </summary>
/// <param name="sectionName">节点名</param>
/// <param name="keyName">键名</param>
/// <param name="defaultValue">默认的值,这个值是用户给的.</param>
/// <returns>在ini文件中没有找到节点名或键值则返回 默认值,找到了则返回ini文件中的值.</returns>
public string ReadString(string sectionName, string keyName, string defaultValue)
{
sectionName = sectionName.Trim();
keyName = keyName.Trim();
if (!m_sections.ContainsKey(sectionName))
{
return defaultValue;
}
Hashtable sectionsItem = (Hashtable)m_sections[sectionName];
if (!sectionsItem.ContainsKey(keyName))
{
return defaultValue;
}
string aa=(string)sectionsItem[keyName];
return (string)sectionsItem[keyName];
}
/// <summary>
/// 添加sectionName 和键值
/// </summary>
/// <param name="sectionName">ini文件的节点</param>
/// <param name="keyName">ini文件的键名</param>
/// <param name="stringValue">ini文件的值</param>
public void WriteString(string sectionName, string keyName, string stringValue)
{
Hashtable sectionsItem;
// m_sections
sectionName = sectionName.Trim();
keyName = keyName.Trim();
stringValue = stringValue.Trim();
////
//m_sections.ContainsKey(sectionName.Trim());
bool xx = SectionExists(sectionName);
//if (!m_sections.ContainsKey(sectionName))
if (!SectionExists(sectionName))
{
sectionsItem = AddSection(sectionName);
}
else
{
sectionsItem = (Hashtable)m_sections[sectionName];
}
//if (!sectionsItem.ContainsKey(keyName))
if (sectionsItem.ContainsKey(keyName))
{
sectionsItem[keyName] = stringValue;
}
else
{
sectionsItem.Add(keyName, stringValue);
}
}
//*********************************************************************************
public long ReadInteger(string sectionName, string keyName, long defaultValue)
{
return Convert.ToInt64(ReadString(sectionName, keyName, Convert.ToString(defaultValue)));
}
public void WriteInteger(string sectionName, string keyName, long longValue)
{
WriteString(sectionName, keyName, Convert.ToString(longValue));
}
public bool ReadBool(string sectionName, string keyName, bool defaultValue)
{
return Convert.ToBoolean(ReadString(sectionName, keyName, Convert.ToString(defaultValue)));
}
public void WriteBool(string sectionName, string keyName, bool boolValue)
{
WriteString(sectionName, keyName, Convert.ToString(boolValue));
}
public int ReadBinaryStream(string sectionName, string keyName, Stream defaultValue)
{
return 0;
}
public void WriteBinaryStream(string sectionName, string keyName, Stream streamValue)
{ }
public DateTime ReadDate(string sectionName, string keyName, DateTime defaultValue)
{
return Convert.ToDateTime(ReadString(sectionName, keyName, Convert.ToString(defaultValue))).Date;
}
public void WriteDate(string sectionName, string keyName, DateTime dateValue)
{
WriteString(sectionName, keyName, Convert.ToString(dateValue.Date));
}
public DateTime ReadDateTime(string sectionName, string keyName, DateTime defaultValue)
{
return Convert.ToDateTime(ReadString(sectionName, keyName, Convert.ToString(defaultValue)));
}
public void WriteDateTime(string sectionName, string keyName, DateTime dateTimeValue)
{
WriteString(sectionName, keyName, Convert.ToString(dateTimeValue));
}
public double ReadFloat(string sectionName, string keyName, double defaultValue)
{
return Convert.ToDouble(ReadString(sectionName, keyName, Convert.ToString(defaultValue)));
}
public void WriteFloat(string sectionName, string keyName, double doubleValue)
{
WriteString(sectionName, keyName, Convert.ToString(doubleValue));
}
public DateTime ReadTime(string sectionName, string keyName, DateTime defaultValue)
{
return Convert.ToDateTime(ReadString(sectionName, keyName, Convert.ToString(defaultValue)));
}
public void WriteTime(string sectionName, string keyName, DateTime timeValue)
{
WriteString(sectionName, keyName, Convert.ToString(timeValue.TimeOfDay));
}
}
}