对于读取ini文件的结点，键值，value，我喜欢用以下的Class:
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
using System.IO;
public class clsini
{
private string iniFile;
public static System.Text.Encoding Encoding = System.Text.Encoding.UTF8;
public clsini()
{
}
public clsini(string file)
{
this.iniFile = file;
}
/// <summary>
/// 批量读取键值对
/// </summary>
/// <returns>返回INI配置结构体列表,单独结构可以通过索引获取或设置</returns>
public System.Collections.Generic.List<IniStruct> ReadValues()
{
return ReadValues(this.iniFile);
}
public string ReadValue(string key, string section)
{
string comments = “”;
return ReadValue(this.iniFile, key, section, ref comments);
}
public string ReadValue(string key, string section, ref string comments)
{
if (string.IsNullOrEmpty(this.iniFile)) throw new System.Exception(“没有设置文件路径”);
return ReadValue(this.iniFile, key, section, ref comments);
}
public static string ReadValue(string file, string key, string section)
{
string comments = “”;
return ReadValue(file, key, section, ref comments);
}
private static string GetText(string file)
{
string content = File.ReadAllText(file);
if (content.Contains(“�”))
{
Encoding = System.Text.Encoding.GetEncoding(“GBK”);
content = File.ReadAllText(file, System.Text.Encoding.GetEncoding(“GBK”));
}
return content;
}
public static string ReadValue(string file, string key, string section, ref string comments)
{
string valueText = “”;
string content = GetText(file);
if (!string.IsNullOrEmpty(section)) //首先遍历节点
{
MatchCollection matches = new Regex(@”\[\s*(?’section'[^\[\]\s]+)\s*\]”).Matches(content);
if (matches.Count <= 0) return “”;
Match currMatch = null;
Match tailMatch = null;
foreach (Match match in matches)
{
string match_section = match.Groups[“section”].Value;
if (match_section.ToLower() == section.ToLower())
{
currMatch = match;
continue;
}
else if (currMatch != null)
{
tailMatch = match;
break;
}
}
valueText = content.Substring(currMatch.Index + currMatch.Length, (tailMatch != null ? tailMatch.Index : content.Length) – currMatch.Index – currMatch.Length);//截取有效值域
}
else
valueText = content;
string[] lines = valueText.Split(new string[] { “\r\n” }, System.StringSplitOptions.None);
foreach (string line in lines)
{
if (string.IsNullOrEmpty(line) || line == “\r\n” || line.Contains(“[“))
continue;
string valueLine = line;
if (line.Contains(“;”))
{
string[] seqPairs = line.Split(‘;’);
if (seqPairs.Length > 1)
comments = seqPairs[1].Trim();
valueLine = seqPairs[0];
}
string[] keyValuePairs = valueLine.Split(‘=’);
string line_key = keyValuePairs[0];
string line_value = “”;
if (keyValuePairs.Length > 1)
{
line_value = keyValuePairs[1];
}
if (key.ToLower().Trim() == line_key.ToLower().Trim())
{
return line_value;
}
}
return “”;
}
public static System.Collections.Generic.List<IniStruct> ReadValues(string file)
{
System.Collections.Generic.List<IniStruct> iniStructList = new System.Collections.Generic.List<IniStruct>();
string content = GetText(file);
System.Text.RegularExpressions.MatchCollection matches = new System.Text.RegularExpressions.Regex(@”\[\s*(?’section'[^\[\]\s]+)\s*\](?’valueContent'[^\[\]]*)”).Matches(content);
foreach (System.Text.RegularExpressions.Match match in matches)
{
IniStruct iniStruct = new IniStruct();
string match_section = match.Groups[“section”].Value;
string match_value = match.Groups[“valueContent”].Value;
iniStruct.Section = match_section;
string[] lines = match_value.Split(new string[] { “\r\n” }, System.StringSplitOptions.None);
foreach (string line in lines)
{
if (string.IsNullOrEmpty(line) || line == “\r\n” || line.Contains(“[“))
continue;
string comments = “”;//注释
string valueLine = line;
if (line.Contains(“;”))
{
string[] seqPairs = line.Split(‘;’);
if (seqPairs.Length > 1)
comments = seqPairs[1].Trim();
valueLine = seqPairs[0];
}
string[] keyValuePairs = valueLine.Split(‘=’);
string line_key = keyValuePairs[0];
string line_value = “”;
if (keyValuePairs.Length > 1)
{
line_value = keyValuePairs[1];
}
iniStruct.Add(line_key, line_value, comments);
}
iniStructList.Add(iniStruct);
}
return iniStructList;
}
public void Write(string section, string key, string value)
{
Write(section, key, value, null);
}
public void Write(string section, string key, string value, string comment)
{
Write(this.iniFile, section, key, value, comment);
}
public static void Write(string file, string section, string key, string value, string comment)
{
bool isModified = false;
System.Text.StringBuilder stringBuilder = new System.Text.StringBuilder();
string content = GetText(file);
System.Text.StringBuilder newValueContent = new System.Text.StringBuilder();
#region 写入了节点
if (!string.IsNullOrEmpty(section))
{
string pattern = string.Format(@”\[\s*{0}\s*\](?’valueContent'[^\[\]]*)”, section);
MatchCollection matches = new Regex(pattern).Matches(content);
if (matches.Count <= 0)
{
stringBuilder.AppendLine(string.Format(“[{0}]”, section)); //检查节点是否存在
stringBuilder.AppendLine(string.Format(“{0}={1}{2}”, key, value, !string.IsNullOrEmpty(comment) ? (“;” + comment) : “”));
stringBuilder.AppendLine(content);
isModified = true;
}
else
{
Match match = matches[0];
string valueContent = match.Groups[“valueContent”].Value;
string[] lines = valueContent.Split(new string[] { “\r\n” }, System.StringSplitOptions.None);
newValueContent.AppendLine(string.Format(“[{0}]”, section));
foreach (string line in lines)
{
if (string.IsNullOrEmpty(line) || line == “\r\n” || line.Contains(“[“))
{
continue;
}
string valueLine = line;
string comments = “”;
if (line.Contains(“;”))
{
string[] seqPairs = line.Split(‘;’);
if (seqPairs.Length > 1)
comments = seqPairs[1].Trim();
valueLine = seqPairs[0];
}
string[] keyValuePairs = valueLine.Split(‘=’);
string line_key = keyValuePairs[0];
string line_value = “”;
if (keyValuePairs.Length > 1)
{
line_value = keyValuePairs[1];
}
if (key.ToLower().Trim() == line_key.ToLower().Trim())
{
isModified = true;
newValueContent.AppendLine(string.Format(“{0}={1}{2}”, key, value, !string.IsNullOrEmpty(comment) ? (“;” + comment) : “”));
}
else
{
newValueContent.AppendLine(line);
}
}
if (!isModified)
newValueContent.AppendLine(string.Format(“{0}={1}{2}”, key, value, !string.IsNullOrEmpty(comment) ? (“;” + comment) : “”));
string newVal = newValueContent.ToString();
content = content.Replace(match.Value, newVal);
stringBuilder.Append(content);
}
}
#endregion
#region 没有指明节点
else
{
string valueText = “”;
//如果节点为空
MatchCollection matches = new Regex(@”\[\s*(?’section'[^\[\]\s]+)\s*\](?’valueContent'[^\[\]]*)”).Matches(content);
if (matches.Count > 0)
{
valueText = matches[0].Index > 0 ? content.Substring(0, matches[0].Index) : “”;
string[] lines = valueText.Split(new string[] { “\r\n” }, System.StringSplitOptions.None);
foreach (string line in lines)
{
if (string.IsNullOrEmpty(line) || line == “\r\n” || line.Contains(“[“))
{
continue;
}
string valueLine = line;
string comments = “”;
if (line.Contains(“;”))
{
string[] seqPairs = line.Split(‘;’);
if (seqPairs.Length > 1)
comments = seqPairs[1].Trim();
valueLine = seqPairs[0];
}
string[] keyValuePairs = valueLine.Split(‘=’);
string line_key = keyValuePairs[0];
string line_value = “”;
if (keyValuePairs.Length > 1)
{
line_value = keyValuePairs[1];
}
if (key.ToLower().Trim() == line_key.ToLower().Trim())
{
isModified = true;
newValueContent.AppendLine(string.Format(“{0}={1}{2}”, key, value, !string.IsNullOrEmpty(comment) ? (“;” + comment) : “”));
}
else
{
newValueContent.AppendLine(line);
}
}
if (!isModified)
newValueContent.AppendLine(string.Format(“{0}={1}{2}”, key, value, !string.IsNullOrEmpty(comment) ? (“;” + comment) : “”));
string newVal = newValueContent.ToString();
content = content.Replace(valueText, newVal);
stringBuilder.Append(content);
}
else
{
stringBuilder.AppendLine(string.Format(“{0}={1}{2}”, key, value, !string.IsNullOrEmpty(comment) ? (“;” + comment) : “”));
}
}
#endregion
System.IO.File.WriteAllText(file, stringBuilder.ToString(),Encoding);
}
}
public class IniStruct:System.Collections.IEnumerable
{
private System.Collections.Generic.List<string> _commentList;
public IniStruct()
{
this._keyValuePairs = new System.Collections.Generic.SortedList<string, string>();
_commentList = new System.Collections.Generic.List<string>();
}
public string GetComment(string key)
{
if (this._keyValuePairs.ContainsKey(key))
{
int index = this._keyValuePairs.IndexOfKey(key);
return this._commentList[index];
}
return “”;
}
public string this[int index]
{
get
{
if (this._keyValuePairs.Count > index)
return this._keyValuePairs.Values[index];
else return “”;
}
set
{
if (this._keyValuePairs.Count > index)
this._keyValuePairs.Values[index] = value;
}
}
public string this[string key]
{
get
{
if (this._keyValuePairs.ContainsKey(key))
return this._keyValuePairs[key];
else return “”;
}
set
{
if (this._keyValuePairs.ContainsKey(key))
this._keyValuePairs[key] = value;
}
}
public string Section { get; set; }
private System.Collections.Generic.SortedList<string, string> _keyValuePairs;
public void Add(string key, string value, string commont)
{
this._keyValuePairs.Add(key, value);
this._commentList.Add(commont);
}
public override string ToString()
{
return string.Format(“{0}”, this.Section);
}
public bool ContainKey(string key)
{
return this._keyValuePairs.ContainsKey(key);
}
public System.Collections.IEnumerator GetEnumerator()
{
return this._keyValuePairs.GetEnumerator();
}
}
