C#讀寫INI文件,需要用到兩個API函數
WritePrivateProfileString
GetPrivateProfileString
需要特別注意的是:這兩個函數中的*.ini文件地址要使用絕對地址
下面程序的功能,是在一個空文件test.ini中,寫入一些屬性,並讀取
using System;
using System.Collections.Generic;using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ConsoleApplication2.Function;
namespace ConsoleApplication2
{
class IniHelper
{
/// <summary>
/// 設定INI文件中的屬性
/// </summary>
/// <param name="section">節</param>
/// <param name="key">鍵</param>
/// <param name="val">值</param>
/// <param name="filePath">INI文件的絕對地址</param>
/// <returns></returns>
[System.Runtime.InteropServices.DllImport("kernel32")]
private static extern long WritePrivateProfileString(
string section, string key, string val, string filePath);
/// <summary>
/// 讀取INI文件中的屬性
/// </summary>
/// <param name="section">節</param>
/// <param name="key">鍵</param>
/// <param name="def">默認值</param>
/// <param name="retVal">被存儲到的StringBuilder</param>
/// <param name="size">最大字串截取長度</param>
/// <param name="filePath">INI文件的絕對地址</param>
/// <returns></returns>
[System.Runtime.InteropServices.DllImport("kernel32")]
private static extern int GetPrivateProfileString(
string section, string key, string def,
System.Text.StringBuilder retVal, int size, string filePath);
/// <summary>
/// INI文件的絕對路徑
/// </summary>
public string Path;
/// <summary>
/// 讀取的默認值
/// </summary>
public string DefValue;
/// <summary>
/// INI讀寫工具類
/// </summary>
/// <param name="path">INI文件絕對地址</param>
/// <param name="def">讀取值的默認值</param>
public IniHelper(string path, string def = "")
{
System.IO.FileInfo fi = new System.IO.FileInfo(path);
if (!fi.Exists)
{
throw new Exception("文件不存在");
}
this.Path = fi.FullName;
this.DefValue = def;
}
/// <summary>
/// 設置INI文件的一個值
/// </summary>
/// <param name="section">節</param>
/// <param name="key">鍵</param>
/// <param name="value">值</param>
public void SetValue(string section, string key, object value)
{
WritePrivateProfileString(section, key, value.ToString(), this.Path);
}
/// <summary>
/// 獲取INI文件的一個值
/// </summary>
/// <param name="section"></param>
/// <param name="key"></param>
/// <returns></returns>
public string GetValue(string section, string key)
{
StringBuilder sb = new StringBuilder(255);
int i = GetPrivateProfileString(
section, key, this.DefValue, sb, 255, this.Path);
return sb.ToString();
}
static void Main(string[] args)
{
IniHelper ih = new IniHelper("Send91uMsg.ini", "Default");
//設置INI文件中的值
ih.SetValue("SEND91UMSG", "FROM","91000");
ih.SetValue("SEND91UMSG", "GROUPS", "175088");
ih.SetValue("SEND91UMSG", "msg", "讀取INI文件的數據");
string fromID = ih.GetValue("SEND91UMSG","FROM");
string toGroupID = ih.GetValue("SEND91UMSG","GROUPS");
string msg = ih.GetValue("SEND91UMSG", "msg");
SendMsgGroups send2group = new SendMsgGroups();
send2group.SendMsg2Groups(fromID, toGroupID,msg);
}
}
}