IniHelper——INI操作辅助类
使用INI配置文件，简单便捷。
该辅助工具类为C#操作INI文件的辅助类，源码在某位师傅的基础上完善的来，因为忘记最初的来源了，因此不能提及引用，在此深感遗憾，并对贡献者表示感谢。
using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Text; namespace Eyuan.Common
{
public static class INIHelper
{ #region 读写INI文件相关
[DllImport("kernel32.dll", EntryPoint = "WritePrivateProfileString", CharSet = CharSet.Ansi)]
private static extern long WritePrivateProfileString(string section, string key, string val, string filePath); [DllImport("kernel32.dll", EntryPoint = "GetPrivateProfileString", CharSet = CharSet.Ansi)]
private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath); [DllImport("kernel32")]
private static extern int GetPrivateProfileInt(string lpApplicationName, string lpKeyName, int nDefault, string lpFileName); [DllImport("kernel32.dll", EntryPoint = "GetPrivateProfileSectionNames", CharSet = CharSet.Ansi)]
private static extern int GetPrivateProfileSectionNames(IntPtr lpszReturnBuffer, int nSize, string filePath); [DllImport("KERNEL32.DLL ", EntryPoint = "GetPrivateProfileSection", CharSet = CharSet.Ansi)]
private static extern int GetPrivateProfileSection(string lpAppName, byte[] lpReturnedString, int nSize, string filePath);
#endregion #region 读写操作（字符串）
/// <summary>
/// 向INI写入数据
/// </summary>
/// <PARAM name="Section">节点名</PARAM>
/// <PARAM name="Key">键名</PARAM>
/// <PARAM name="Value">值（字符串）</PARAM>
public static void Write(string Section, string Key, string Value, string path)
{
WritePrivateProfileString(Section, Key, Value, path);
}
/// <summary>
/// 读取INI数据
/// </summary>
/// <PARAM name="Section">节点名</PARAM>
/// <PARAM name="Key">键名</PARAM>
/// <PARAM name="Path">值名</PARAM>
/// <returns>值（字符串）</returns>
public static string Read(string Section, string Key, string path)
{
StringBuilder temp = new StringBuilder();
int i = GetPrivateProfileString(Section, Key, "", temp, , path);
return temp.ToString();
}
#endregion #region 配置节信息
/// <summary>
/// 读取一个ini里面所有的节
/// </summary>
/// <param name="sections"></param>
/// <param name="path"></param>
/// <returns>-1:没有节信息，0:正常</returns>
public static int GetAllSectionNames(out string[] sections, string path)
{
int MAX_BUFFER = ;
IntPtr pReturnedString = Marshal.AllocCoTaskMem(MAX_BUFFER);
int bytesReturned = GetPrivateProfileSectionNames(pReturnedString, MAX_BUFFER, path);
if (bytesReturned == )
{
sections = null;
return -;
}
string local = Marshal.PtrToStringAnsi(pReturnedString, (int)bytesReturned).ToString();
Marshal.FreeCoTaskMem(pReturnedString);
//use of Substring below removes terminating null for split
sections = local.Substring(, local.Length - ).Split('\0');
return ;
}
/// <summary>
/// 返回指定配置文件下的节名称列表
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public static List<string> GetAllSectionNames(string path)
{
List<string> sectionList = new List<string>();
int MAX_BUFFER = ;
IntPtr pReturnedString = Marshal.AllocCoTaskMem(MAX_BUFFER);
int bytesReturned = GetPrivateProfileSectionNames(pReturnedString, MAX_BUFFER, path);
if (bytesReturned != )
{
string local = Marshal.PtrToStringAnsi(pReturnedString, (int)bytesReturned).ToString();
Marshal.FreeCoTaskMem(pReturnedString);
sectionList.AddRange(local.Substring(, local.Length - ).Split('\0'));
}
return sectionList;
} /// <summary>
/// 得到某个节点下面所有的key和value组合
/// </summary>
/// <param name="section">指定的节名称</param>
/// <param name="keys">Key数组</param>
/// <param name="values">Value数组</param>
/// <param name="path">INI文件路径</param>
/// <returns></returns>
public static int GetAllKeyValues(string section, out string[] keys, out string[] values, string path)
{
byte[] b = new byte[];//配置节下的所有信息
GetPrivateProfileSection(section, b, b.Length, path);
string s = System.Text.Encoding.Default.GetString(b);//配置信息
string[] tmp = s.Split((char));//Key\Value信息
List<string> result = new List<string>();
foreach (string r in tmp)
{
if (r != string.Empty)
result.Add(r);
}
keys = new string[result.Count];
values = new string[result.Count];
for (int i = ; i < result.Count; i++)
{
string[] item = result[i].Split(new char[] { '=' });//Key=Value格式的配置信息
//Value字符串中含有=的处理，
//一、Value加""，先对""处理
//二、Key后续的都为Value
if (item.Length > )
{
keys[i] = item[].Trim();
values[i] = result[i].Substring(keys[i].Length + );
}
if (item.Length == )//Key=Value
{
keys[i] = item[].Trim();
values[i] = item[].Trim();
}
else if (item.Length == )//Key=
{
keys[i] = item[].Trim();
values[i] = "";
}
else if (item.Length == )
{
keys[i] = "";
values[i] = "";
}
}
return ;
}
/// <summary>
/// 得到某个节点下面所有的key
/// </summary>
/// <param name="section">指定的节名称</param>
/// <param name="keys">Key数组</param>
/// <param name="path">INI文件路径</param>
/// <returns></returns>
public static int GetAllKeys(string section, out string[] keys, string path)
{
byte[] b = new byte[]; GetPrivateProfileSection(section, b, b.Length, path);
string s = System.Text.Encoding.Default.GetString(b);
string[] tmp = s.Split((char));
ArrayList result = new ArrayList();
foreach (string r in tmp)
{
if (r != string.Empty)
result.Add(r);
}
keys = new string[result.Count];
for (int i = ; i < result.Count; i++)
{
string[] item = result[i].ToString().Split(new char[] { '=' });
if (item.Length == )
{
keys[i] = item[].Trim();
}
else if (item.Length == )
{
keys[i] = item[].Trim();
}
else if (item.Length == )
{
keys[i] = "";
}
}
return ;
}
/// <summary>
/// 获取指定节下的Key列表
/// </summary>
/// <param name="section">指定的节名称</param>
/// <param name="path">配置文件名称</param>
/// <returns>Key列表</returns>
public static List<string> GetAllKeys(string section, string path)
{
List<string> keyList = new List<string>();
byte[] b = new byte[];
GetPrivateProfileSection(section, b, b.Length, path);
string s = System.Text.Encoding.Default.GetString(b);
string[] tmp = s.Split((char));
List<string> result = new List<string>();
foreach (string r in tmp)
{
if (r != string.Empty)
result.Add(r);
}
for (int i = ; i < result.Count; i++)
{
string[] item = result[i].Split(new char[] { '=' });
if (item.Length == || item.Length == )
{
keyList.Add(item[].Trim());
}
else if (item.Length == )
{
keyList.Add(string.Empty);
}
}
return keyList;
}
/// <summary>
/// 获取值
/// </summary>
/// <param name="section"></param>
/// <param name="path"></param>
/// <returns></returns>
public static List<string> GetAllValues(string section, string path)
{
List<string> keyList = new List<string>();
byte[] b = new byte[];
GetPrivateProfileSection(section, b, b.Length, path);
string s = System.Text.Encoding.Default.GetString(b);
string[] tmp = s.Split((char));
List<string> result = new List<string>();
foreach (string r in tmp)
{
if (r != string.Empty)
result.Add(r);
}
for (int i = ; i < result.Count; i++)
{
string[] item = result[i].Split(new char[] { '=' });
if (item.Length == || item.Length == )
{
keyList.Add(item[].Trim());
}
else if (item.Length == )
{
keyList.Add(string.Empty);
}
}
return keyList;
} #endregion #region 通过值查找键（一个节中的键唯一，可能存在多个键值相同，因此反查的结果可能为多个） /// <summary>
/// 第一个键
/// </summary>
/// <param name="section"></param>
/// <param name="path"></param>
/// <param name="value"></param>
/// <returns></returns>
public static string GetFirstKeyByValue(string section, string path, string value)
{
foreach (string key in GetAllKeys(section, path))
{
if (ReadString(section, key, "", path) == value)
{
return key;
}
}
return string.Empty;
}
/// <summary>
/// 所有键
/// </summary>
/// <param name="section"></param>
/// <param name="path"></param>
/// <param name="value"></param>
/// <returns></returns>
public static List<string> GetKeysByValue(string section, string path, string value)
{
List<string > keys = new List<string>();
foreach (string key in GetAllKeys(section, path))
{
if (ReadString(section, key, "", path) == value)
{
keys.Add(key);
}
}
return keys;
}
#endregion #region 具体类型的读写 #region string
/// <summary>
///
/// </summary>
/// <param name="sectionName"></param>
/// <param name="keyName"></param>
/// <param name="defaultValue" />
/// <param name="path"></param>
/// <returns></returns>
public static string ReadString(string sectionName, string keyName, string defaultValue, string path)
{
const int MAXSIZE = ;
StringBuilder temp = new StringBuilder(MAXSIZE);
GetPrivateProfileString(sectionName, keyName, defaultValue, temp, , path);
return temp.ToString();
} /// <summary>
///
/// </summary>
/// <param name="sectionName"></param>
/// <param name="keyName"></param>
/// <param name="value"></param>
/// <param name="path"></param>
public static void WriteString(string sectionName, string keyName, string value, string path)
{
WritePrivateProfileString(sectionName, keyName, value, path);
}
#endregion #region Int
/// <summary>
///
/// </summary>
/// <param name="sectionName"></param>
/// <param name="keyName"></param>
/// <param name="defaultValue"></param>
/// <param name="path"></param>
/// <returns></returns>
public static int ReadInteger(string sectionName, string keyName, int defaultValue, string path)
{ return GetPrivateProfileInt(sectionName, keyName, defaultValue, path); }
/// <summary>
///
/// </summary>
/// <param name="sectionName"></param>
/// <param name="keyName"></param>
/// <param name="value"></param>
/// <param name="path"></param>
public static void WriteInteger(string sectionName, string keyName, int value, string path)
{ WritePrivateProfileString(sectionName, keyName, value.ToString(), path); }
#endregion #region bool
/// <summary>
/// 读取布尔值
/// </summary>
/// <param name="sectionName"></param>
/// <param name="keyName"></param>
/// <param name="defaultValue"></param>
/// <param name="path"></param>
/// <returns></returns>
public static bool ReadBoolean(string sectionName, string keyName, bool defaultValue, string path)
{ int temp = defaultValue ? : ; int result = GetPrivateProfileInt(sectionName, keyName, temp, path); return (result == ? false : true); }
/// <summary>
/// 写入布尔值
/// </summary>
/// <param name="sectionName"></param>
/// <param name="keyName"></param>
/// <param name="value"></param>
/// <param name="path"></param>
public static void WriteBoolean(string sectionName, string keyName, bool value, string path)
{
string temp = value ? "1 " : "0 ";
WritePrivateProfileString(sectionName, keyName, temp, path);
}
#endregion #endregion #region 删除操作
/// <summary>
/// 删除指定项
/// </summary>
/// <param name="sectionName"></param>
/// <param name="keyName"></param>
/// <param name="path"></param>
public static void DeleteKey(string sectionName, string keyName, string path)
{
WritePrivateProfileString(sectionName, keyName, null, path);
} /// <summary>
/// 删除指定节下的所有项
/// </summary>
/// <param name="sectionName"></param>
/// <param name="path"></param>
public static void EraseSection(string sectionName, string path)
{
WritePrivateProfileString(sectionName, null, null, path);
}
#endregion #region 判断节、键是否存在
/// <summary>
/// 指定节知否存在
/// </summary>
/// <param name="section"></param>
/// <param name="fileName"></param>
/// <returns></returns>
public static bool ExistSection(string section, string fileName)
{
string[] sections = null;
GetAllSectionNames(out sections, fileName);
if (sections != null)
{
foreach (var s in sections)
{
if (s == section)
{
return true;
}
}
}
return false;
}
/// <summary>
/// 指定节下的键是否存在
/// </summary>
/// <param name="section"></param>
/// <param name="key"></param>
/// <param name="fileName"></param>
/// <returns></returns>
public static bool ExistKey(string section, string key, string fileName)
{
string[] keys = null;
GetAllKeys(section, out keys, fileName);
if (keys != null)
{
foreach (var s in keys)
{
if (s == key)
{
return true;
}
}
}
return false;
}
#endregion #region 同一Section下添加多个Key\Value
/// <summary>
///
/// </summary>
/// <param name="section"></param>
/// <param name="keyList"></param>
/// <param name="valueList"></param>
/// <param name="path"></param>
/// <returns></returns>
public static bool AddSectionWithKeyValues(string section, List<string> keyList, List<string> valueList, string path)
{
bool bRst = true;
//判断Section是否已经存在，如果存在，返回false
//已经存在，则更新
//if (GetAllSectionNames(path).Contains(section))
//{
// return false;
//}
//判断keyList中是否有相同的Key，如果有，返回false //添加配置信息
for (int i = ; i < keyList.Count; i++)
{
WriteString(section, keyList[i], valueList[i], path);
}
return bRst;
}
#endregion
}
}
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