实例介绍
【实例简介】
【实例截图】
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.Collections;
using System.Collections.Specialized;
namespace OperationIni
{
/// <summary>
/// ini文件件操作
/// </summary>
public class InitFile
{
[DllImport("kernel32.dll")]
private static extern int GetPrivateProfileInt(string lpApplicationName, string lpKeyName, int nDefault, string lpFileName);
[DllImport("kernel32.dll")]
private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);
[DllImport("kernel32.dll")]
private static extern int GetPrivateProfileSectionNames(byte[] buffer, int iLen, string lpFileName);
[DllImport("kernel32.dll")]
private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);
[DllImport("kernel32.DLL", EntryPoint = "GetPrivateProfileSection")]
private static extern int GetPrivateProfileSection(string lpAppName, byte[] lpReturnedString, int nSize, string lpFileName);
/// <summary>
/// 获取节点选项名称(section)
/// </summary>
/// <param name="FileName">文件名称</param>
/// <returns></returns>
public static ArrayList ReadSections(string FileName)
{
byte[] buffer = new byte[65535];
int rel = GetPrivateProfileSectionNames(buffer, buffer.GetUpperBound(0), FileName);
return Conver2ArrayList(rel, buffer);
}
private static ArrayList Conver2ArrayList(int rel, byte[] buffer)
{
ArrayList arrayList = new ArrayList();
if (rel > 0)
{
int iCnt, iPos;
string tmp;
iCnt = 0; iPos = 0;
for (iCnt = 0; iCnt < rel; iCnt )
{
if (buffer[iCnt] == 0x00)
{
tmp = System.Text.ASCIIEncoding.Default.GetString(buffer, iPos, iCnt - iPos).Trim();
iPos = iCnt 1;
if (tmp != "")
arrayList.Add(tmp);
}
}
}
return arrayList;
}
/// <summary>
/// 返回键值(整型)
/// </summary>
/// <param name="lpApplicationName">节点选项名称(section)</param>
/// <param name="lpKeyName">键名(key)</param>
/// <param name="nDefault">默认值</param>
/// <param name="lpFileName">文件名</param>
/// <returns>键值(整型)</returns>
public static int ReadInt(string lpApplicationName, string lpKeyName, int nDefault, string lpFileName)
{
return GetPrivateProfileInt(lpApplicationName, lpKeyName, nDefault, lpFileName);
}
/// <summary>
/// 写入文件(int)
/// </summary>
/// <param name="section">节点选项名称(section)</param>
/// <param name="key">键名(key)</param>
/// <param name="val">写入的数字</param>
/// <param name="filePath">文件名</param>
public static void WriteInt(string section, string key, int val, string filePath)
{
WritePrivateProfileString(section, key, val.ToString(), filePath);
}
/// <summary>
/// 读取文件(string)
/// </summary>
/// <param name="section">节点选项名称(section)</param>
/// <param name="key">键名(key)</param>
/// <param name="def">默认值</param>
/// <param name="retVal">实际读取值</param>
/// <param name="size">读取长度</param>
/// <param name="filePath">文件名</param>
/// <returns>实际读取的长度</returns>
public static int ReadString(string section, string key, string def, StringBuilder retVal, int size, string filePath)
{
return GetPrivateProfileString(section, key, def, retVal, size, filePath);
}
/// <summary>
/// 写入文件(string)
/// </summary>
/// <param name="section">节点选项名称(section)</param>
/// <param name="key">键名(key)</param>
/// <param name="val">写入的内容</param>
/// <param name="filePath">文件名</param>
/// <returns>实际写入的个数</returns>
public static long WriteString(string section, string key, string val, string filePath)
{
return WritePrivateProfileString(section, key, val, filePath);
}
/// <summary>
/// 读取指定section下的所有内容，以key=value存入StringCollection中
/// </summary>
/// <param name="section">节点选项名称(section)</param>
/// <param name="filename">文件名</param>
/// <returns>返回StringCollection</returns>
public static StringCollection ReadKeyEValue(String section, String filename)
{
StringCollection items = new StringCollection();
byte[] buffer = new byte[32768];
int bufLen = 0;
bufLen = GetPrivateProfileSection(section, buffer, buffer.GetUpperBound(0), filename);
if (bufLen > 0)
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < bufLen; i )
{
if (buffer[i] != 0)
{
sb.Append((char)buffer[i]);
}
else
{
if (sb.Length > 0 && !sb.ToString().StartsWith("//"))
{
items.Add(sb.ToString());
sb = new StringBuilder();
}
}
}
}
return items;
}
/// <summary>
/// 获取所有的Key名称
/// </summary>
/// <param name="section">节点名称</param>
/// <param name="filename">文件名</param>
/// <returns>返回含有所有的key名称的ArrayList</returns>
public static ArrayList ReadKeys(String section, String filename)
{
ArrayList hash = new ArrayList();
StringCollection all = ReadKeyEValue(section, filename);
foreach (string str in all)
{
if (str.Contains("=") && !str.StartsWith("//"))
{
var temp = str.Split('=');
if (!string.IsNullOrEmpty(temp[0]))
{
hash.Add(temp[0].Trim());
}
}
}
return hash;
}
/// <summary>
/// 读取指定section下的所有内容，存入哈希表中
/// </summary>
/// <param name="section">节点选项名称(section)</param>
/// <param name="filename">文件名</param>
/// <returns>返回一个哈希表，存放key和值</returns>
public static Hashtable ReadKeyValue(String section, String filename)
{
Hashtable hash = new Hashtable();
StringCollection all = ReadKeyEValue(section, filename);
foreach (string str in all)
{
if (str.Contains("=") && !str.StartsWith("//"))
{
var temp = str.Split('=');
if (!string.IsNullOrEmpty(temp[0]) && !string.IsNullOrEmpty(temp[1]))
{
hash.Add(temp[0].Trim(), temp[1].Trim());
}
}
}
return hash;
}
/// <summary>
/// 删除节点选项
/// </summary>
/// <param name="section">目标节点</param>
/// <param name="filename">文件名</param>
public static void DelSection(String section, String filename)
{
WritePrivateProfileString(section, null, null, filename);
}
/// <summary>
/// 删除key
/// </summary>
/// <param name="section">目标节点</param>
/// <param name="key">目标key</param>
/// <param name="filename">文件名</param>
public static void DelKey(String section, String key, String filename)
{
WritePrivateProfileString(section, key, null, filename);
}
/// <summary>
/// 获得一个double数值
/// </summary>
/// <param name="section">节点</param>
/// <param name="key">关键字</param>
/// <param name="def">默认值</param>
/// <param name="filePath">文件名</param>
/// <returns>返回一个double数值</returns>
public static double ReadDouble(string section, string key, double def, string filePath)
{
StringBuilder sb = new StringBuilder();
ReadString(section, key, def.ToString(), sb, 255, filePath);
double d = 0;
if (!double.TryParse(sb.ToString(), out d))
d = def;
return d;
}
/// <summary>
/// 写入文件(string)
/// </summary>
/// <param name="section">节点选项名称(section)</param>
/// <param name="key">键名(key)</param>
/// <param name="val">写入的数值</param>
/// <param name="filePath">文件名</param>
/// <returns>实际写入的个数</returns>
public static long WriteDouble(string section, string key, double def, string filePath)
{
return WriteString(section, key, def.ToString(), filePath);
}
}
}
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