优化一些东西；

alielie

2025-11-25 006c98e5650b530e5220f279c1e803fefe69d40d

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using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.InteropServices;
using System.Text;
 
namespace HMI.Util
{
    public class IniFileHelper
    {
        private static String filePath = "./default.ini";
        static List<string> sections = new List<string>();
        static List<string> keys = new List<string>();
        #region API函数声明
 
        [DllImport("kernel32")]
        private static extern long WritePrivateProfileString(string section, string key,
            string val, string filePath);
 
        //需要调用GetPrivateProfileString的重载
        [DllImport("kernel32", EntryPoint = "GetPrivateProfileString")]
        private static extern long GetPrivateProfileString(string section, string key,
            string def, StringBuilder retVal, int size, string filePath);
 
        [DllImport("kernel32", EntryPoint = "GetPrivateProfileString")]
        private static extern uint GetPrivateProfileStringA(string section, string key,
            string def, Byte[] retVal, int size, string filePath);
 
        #endregion
        public static List<string> ReadSections()
        {
            return ReadSections(filePath);
        }
 
        public static List<string> ReadSections(string iniFilename)
        {
            List<string> result = new List<string>();
            Byte[] buf = new Byte[65536];
            uint len = GetPrivateProfileStringA(null, null, null, buf, buf.Length, iniFilename);
            int j = 0;
            for (int i = 0; i < len; i++)
                if (buf[i] == 0)
                {
                    result.Add(Encoding.Default.GetString(buf, j, i - j));
                    j = i + 1;
                }
            return result;
        }
 
        public static List<string> ReadKeys(String SectionName)
        {
            return ReadKeys(SectionName, filePath);
        }
 
        public static List<string> ReadKeys(string SectionName, string iniFilename)
        {
            List<string> result = new List<string>();
            Byte[] buf = new Byte[65536];
            uint len = GetPrivateProfileStringA(SectionName, null, null, buf, buf.Length, iniFilename);
            int j = 0;
            for (int i = 0; i < len; i++)
                if (buf[i] == 0)
                {
                    result.Add(Encoding.Default.GetString(buf, j, i - j));
                    j = i + 1;
                }
            return result;
        }
        public static void SetFilePath(String filepath)
        {
            filePath = filepath;
        }
        #region 读Ini文件
 
        public static string ReadIniData(string Section, string Key, string NoText)
        {
            return ReadIniData(Section, Key, NoText, filePath);
        }
 
        public static string ReadIniData(string Section, string Key, string NoText, string iniFilePath)
        {
            if (File.Exists(iniFilePath))
            {
                StringBuilder temp = new StringBuilder(1024);
                GetPrivateProfileString(Section, Key, NoText, temp, 1024, iniFilePath);
                return temp.ToString();
            }
            else
                return String.Empty;
        }
 
        #endregion
 
        #region 写Ini文件
 
 
        public static bool WriteIniData(string Section, string Key, string Value, string iniFilePath)
        {
            if (File.Exists(iniFilePath) == false)
 
            {
                FileStream FS = new FileStream(iniFilePath, FileMode.CreateNew);
            }
            long OpStation = WritePrivateProfileString(Section, Key, Value, iniFilePath);
            if (OpStation == 0)
                return false;
            else
                return true;
        }
        #endregion
    }
}