注:原创作者我不记得了,反正不是我,我原来是搞delphi的,编写这个代码的作者也是写delphi,所以我喜欢用这个类,和delphi提供的TIniFile一样的用法。以下是源码,带全部注解。
using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Text;
using System.Collections;
using System.Collections.Specialized;
namespace DataGridEx
{
/// <summary>
/// IniFiles的类
/// </summary>
public class IniFiles {
public string FileName; //INI文件名
//声明读写INI文件的API函数
[DllImport("kernel32")]
private static extern bool WritePrivateProfileString(string section,string key,string val,string filePath);
[DllImport("kernel32")]
private static extern int GetPrivateProfileString(string section,string key,string def, byte[] retVal,int size,string filePath);
//类的构造函数,传递INI文件名
public IniFiles(string AFileName) {
// 判断文件是否存在
FileInfo fileInfo=new FileInfo(AFileName);
//Todo:搞清枚举的用法
if ((!fileInfo.Exists)){ //|| (FileAttributes.Directory in fileInfo.Attributes))
//文件不存在,建立文件
System.IO.StreamWriter sw = new System.IO.StreamWriter(AFileName,false,System.Text.Encoding.Default);
try{
sw.Write("#表格配置档案");
sw.Close();
}catch{
throw(new ApplicationException("Ini文件不存在"));
}
}
//必须是完全路径,不能是相对路径
FileName = fileInfo.FullName;
}
//写INI文件
public void WriteString(string Section,string Ident,string Value) {
if (!WritePrivateProfileString(Section, Ident,Value,FileName)) {
// Todo:抛出自定义的异常
throw(new ApplicationException("写Ini文件出错"));
}
}
//读取INI文件指定
public string ReadString(string Section,string Ident, string Default) {
Byte[] Buffer=new Byte[65535];
int bufLen=GetPrivateProfileString(Section,Ident,Default,Buffer, Buffer.GetUpperBound(0),FileName);
//必须设定0(系统默认的代码页)的编码方式,否则无法支持中文
string s=Encoding.GetEncoding(0).GetString(Buffer);
s=s.Substring(0,bufLen);
return s.Trim();
}
//读整数
public int ReadInteger(string Section, string Ident , int Default){
string intStr=ReadString(Section, Ident, Convert.ToString(Default));
try{
return Convert.ToInt32(intStr);
}
catch (Exception ex){
Console.WriteLine(ex.Message);
return Default;
}
}
//写整数
public void WriteInteger(string Section,string Ident, int Value){
WriteString(Section, Ident, Value.ToString());
}
//读布尔
public bool ReadBool(string Section, string Ident, bool Default){
try {
return Convert.ToBoolean(ReadString(Section, Ident, Convert.ToString(Default) ));
}
catch (Exception ex){
Console.WriteLine(ex.Message);
return Default;
}
}
//写Bool
public void WriteBool(string Section, string Ident , bool Value){
WriteString(Section, Ident, Convert.ToString(Value));
}
//从Ini文件中,将指定的Section名称中的所有Ident添加到列表中
public void ReadSection(string Section, StringCollection Idents) {
Byte[] Buffer=new Byte[16384];
//Idents.Clear();
int bufLen=GetPrivateProfileString(Section, null, null, Buffer, Buffer.GetUpperBound(0),
FileName);
//对Section进行解析
GetStringsFromBuffer(Buffer, bufLen, Idents);
}
private void GetStringsFromBuffer(Byte[] Buffer, int bufLen, StringCollection Strings) {
Strings.Clear();
if (bufLen!=0) {
int start=0;
for(int i=0; i < bufLen; i++) {
if ((Buffer[i] == 0) && ((i-start)>0)) {
String s=Encoding.GetEncoding(0).GetString(Buffer, start, i-start);
Strings.Add(s);
start=i+1;
}
}
}
}
//从Ini文件中,读取所有的Sections的名称
public void ReadSections(StringCollection SectionList) {
//Note:必须得用Bytes来实现,StringBuilder只能取到第一个Section
byte[] Buffer = new byte[65535];
int bufLen=0;
bufLen = GetPrivateProfileString(null, null, null,Buffer,
Buffer.GetUpperBound(0), FileName);
GetStringsFromBuffer(Buffer, bufLen, SectionList);
}
//读取指定的Section的所有Value到列表中
public void ReadSectionValues(string Section, NameValueCollection Values) {
StringCollection KeyList=new StringCollection();
ReadSection(Section, KeyList);
Values.Clear();
foreach(string key in KeyList) {
Values.Add(key, ReadString(Section, key, ""));
}
}
//清除某个Section
public void EraseSection(string Section) {
//
if (!WritePrivateProfileString(Section, null, null, FileName)) {
throw(new ApplicationException("无法清除Ini文件中的Section"));
}
}
//删除某个Section下的键
public void DeleteKey(string Section, string Ident) {
WritePrivateProfileString(Section, Ident, null, FileName);
}
//Note:对于Win9X,来说需要实现UpdateFile方法将缓冲中的数据写入文件
//在Win NT, 2000和XP上,都是直接写文件,没有缓冲,所以,无须实现UpdateFile
//执行完对Ini文件的修改之后,应该调用本方法更新缓冲区。
public void UpdateFile() {
WritePrivateProfileString(null, null, null, FileName);
}
//检查某个Section下的某个键值是否存在
public bool ValueExists(string Section, string Ident) {
//
StringCollection Idents=new StringCollection();
ReadSection(Section, Idents);
return Idents.IndexOf(Ident)>-1;
}
//确保资源的释放
~IniFiles(){
UpdateFile();
}
}
}
using System.IO;
using System.Runtime.InteropServices;
using System.Text;
using System.Collections;
using System.Collections.Specialized;
namespace DataGridEx
{
/// <summary>
/// IniFiles的类
/// </summary>
public class IniFiles {
public string FileName; //INI文件名
//声明读写INI文件的API函数
[DllImport("kernel32")]
private static extern bool WritePrivateProfileString(string section,string key,string val,string filePath);
[DllImport("kernel32")]
private static extern int GetPrivateProfileString(string section,string key,string def, byte[] retVal,int size,string filePath);
//类的构造函数,传递INI文件名
public IniFiles(string AFileName) {
// 判断文件是否存在
FileInfo fileInfo=new FileInfo(AFileName);
//Todo:搞清枚举的用法
if ((!fileInfo.Exists)){ //|| (FileAttributes.Directory in fileInfo.Attributes))
//文件不存在,建立文件
System.IO.StreamWriter sw = new System.IO.StreamWriter(AFileName,false,System.Text.Encoding.Default);
try{
sw.Write("#表格配置档案");
sw.Close();
}catch{
throw(new ApplicationException("Ini文件不存在"));
}
}
//必须是完全路径,不能是相对路径
FileName = fileInfo.FullName;
}
//写INI文件
public void WriteString(string Section,string Ident,string Value) {
if (!WritePrivateProfileString(Section, Ident,Value,FileName)) {
// Todo:抛出自定义的异常
throw(new ApplicationException("写Ini文件出错"));
}
}
//读取INI文件指定
public string ReadString(string Section,string Ident, string Default) {
Byte[] Buffer=new Byte[65535];
int bufLen=GetPrivateProfileString(Section,Ident,Default,Buffer, Buffer.GetUpperBound(0),FileName);
//必须设定0(系统默认的代码页)的编码方式,否则无法支持中文
string s=Encoding.GetEncoding(0).GetString(Buffer);
s=s.Substring(0,bufLen);
return s.Trim();
}
//读整数
public int ReadInteger(string Section, string Ident , int Default){
string intStr=ReadString(Section, Ident, Convert.ToString(Default));
try{
return Convert.ToInt32(intStr);
}
catch (Exception ex){
Console.WriteLine(ex.Message);
return Default;
}
}
//写整数
public void WriteInteger(string Section,string Ident, int Value){
WriteString(Section, Ident, Value.ToString());
}
//读布尔
public bool ReadBool(string Section, string Ident, bool Default){
try {
return Convert.ToBoolean(ReadString(Section, Ident, Convert.ToString(Default) ));
}
catch (Exception ex){
Console.WriteLine(ex.Message);
return Default;
}
}
//写Bool
public void WriteBool(string Section, string Ident , bool Value){
WriteString(Section, Ident, Convert.ToString(Value));
}
//从Ini文件中,将指定的Section名称中的所有Ident添加到列表中
public void ReadSection(string Section, StringCollection Idents) {
Byte[] Buffer=new Byte[16384];
//Idents.Clear();
int bufLen=GetPrivateProfileString(Section, null, null, Buffer, Buffer.GetUpperBound(0),
FileName);
//对Section进行解析
GetStringsFromBuffer(Buffer, bufLen, Idents);
}
private void GetStringsFromBuffer(Byte[] Buffer, int bufLen, StringCollection Strings) {
Strings.Clear();
if (bufLen!=0) {
int start=0;
for(int i=0; i < bufLen; i++) {
if ((Buffer[i] == 0) && ((i-start)>0)) {
String s=Encoding.GetEncoding(0).GetString(Buffer, start, i-start);
Strings.Add(s);
start=i+1;
}
}
}
}
//从Ini文件中,读取所有的Sections的名称
public void ReadSections(StringCollection SectionList) {
//Note:必须得用Bytes来实现,StringBuilder只能取到第一个Section
byte[] Buffer = new byte[65535];
int bufLen=0;
bufLen = GetPrivateProfileString(null, null, null,Buffer,
Buffer.GetUpperBound(0), FileName);
GetStringsFromBuffer(Buffer, bufLen, SectionList);
}
//读取指定的Section的所有Value到列表中
public void ReadSectionValues(string Section, NameValueCollection Values) {
StringCollection KeyList=new StringCollection();
ReadSection(Section, KeyList);
Values.Clear();
foreach(string key in KeyList) {
Values.Add(key, ReadString(Section, key, ""));
}
}
//清除某个Section
public void EraseSection(string Section) {
//
if (!WritePrivateProfileString(Section, null, null, FileName)) {
throw(new ApplicationException("无法清除Ini文件中的Section"));
}
}
//删除某个Section下的键
public void DeleteKey(string Section, string Ident) {
WritePrivateProfileString(Section, Ident, null, FileName);
}
//Note:对于Win9X,来说需要实现UpdateFile方法将缓冲中的数据写入文件
//在Win NT, 2000和XP上,都是直接写文件,没有缓冲,所以,无须实现UpdateFile
//执行完对Ini文件的修改之后,应该调用本方法更新缓冲区。
public void UpdateFile() {
WritePrivateProfileString(null, null, null, FileName);
}
//检查某个Section下的某个键值是否存在
public bool ValueExists(string Section, string Ident) {
//
StringCollection Idents=new StringCollection();
ReadSection(Section, Idents);
return Idents.IndexOf(Ident)>-1;
}
//确保资源的释放
~IniFiles(){
UpdateFile();
}
}
}
本文转自suifei博客园博客,原文链接:http://www.cnblogs.com/Chinasf/archive/2005/04/16/138744.html,如需转载请自行联系原作者