添加项目文件。

JinYuan.Helper/IniConfigHelper.cs

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+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace JinYuan.Helper
+{
+    public class IniConfigHelper
+    {
+        /// <summary>
+        /// 文件路径
+        /// </summary>
+        public static string iniFilePath = string.Empty;
+
+
+        #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
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="StartupPath"></param>
+        /// <param name="AppName"></param>
+        public static void CreateIniFile(string StartupPath, string AppName)
+        {
+            iniFilePath = StartupPath + AppName;
+            if (!Directory.Exists(StartupPath))
+            {
+                Directory.CreateDirectory(StartupPath);
+            }
+            if (!File.Exists(iniFilePath))
+            {
+                File.Create(iniFilePath).Close();
+            }
+        }
+
+
+        #region 读取INI文件
+        /// <summary>
+        /// 根据节点及Key的值返回数据
+        /// </summary>
+        /// <param name="Section">节点</param>
+        /// <param name="Key">键</param>
+        /// <param name="defaultValue">默认值</param>
+        /// <param name="path">路径</param>
+        /// <returns>返回值</returns>
+        public static string ReadIniData(string Section, string Key, string NoText, string iniFilePath)
+        {
+            if (File.Exists(iniFilePath))
+            {
+                StringBuilder stringBuilder = new StringBuilder(10240);
+
+                GetPrivateProfileString(Section, Key, NoText, stringBuilder, 10240, iniFilePath);
+
+                return stringBuilder.ToString();
+            }
+            else
+            {
+                return string.Empty;
+            }
+        }
+
+
+        /// <summary>
+        /// 根据节点及Key的值返回数据
+        /// </summary>
+        /// <param name="Section">节点</param>
+        /// <param name="Key">键</param>
+        /// <param name="NoText">默认值</param>
+        /// <returns>返回值</returns>
+        public static string ReadIniData(string Section, string Key, string NoText)
+        {
+            return ReadIniData(Section, Key, NoText, iniFilePath);
+        }
+
+        #endregion
+
+        #region 写入Ini文件
+
+        /// <summary>
+        /// 根据节点及Key的值写入数据
+        /// </summary>
+        /// <param name="Section">节点</param>
+        /// <param name="Key">键</param>
+        /// <param name="Value">值</param>
+        /// <param name="path">路径</param>
+        /// <returns>操作结果</returns>
+        public static bool WriteIniData(string Section, string Key, string Value, string path)
+        {
+            long result = WritePrivateProfileString(Section, Key, Value, path);
+
+            if (result == 0)
+            {
+                return false;
+            }
+            else
+            {
+                return true;
+            }
+        }
+
+        /// <summary>
+        /// 根据节点及Key的值写入数据
+        /// </summary>
+        /// <param name="Section">节点</param>
+        /// <param name="Key">键</param>
+        /// <param name="Value">值</param>
+        /// <returns>操作结果</returns>
+        public static bool WriteIniData(string Section, string Key, string Value)
+        {
+            return WriteIniData(Section, Key, Value, iniFilePath);
+        }
+
+        #endregion
+
+        #region 读取所有的Sections
+
+        /// <summary>
+        /// 读取所有的Section
+        /// </summary>
+        /// <param name="path">路径</param>
+        /// <returns>Section集合</returns>
+        public static List<string> ReadSections(string path)
+        {
+            byte[] buffer = new byte[65536];
+
+            uint length = GetPrivateProfileStringA(null, null, null, buffer, buffer.Length, path);
+
+            int startIndex = 0;
+
+            List<string> sections = new List<string>();
+
+            for (int i = 0; i < length; i++)
+            {
+                if (buffer[i] == 0)
+                {
+                    sections.Add(Encoding.Default.GetString(buffer, startIndex, i - startIndex));
+                    startIndex = i + 1;
+                }
+            }
+
+            return sections;
+        }
+
+        /// <summary>
+        /// 读取所有的Section
+        /// </summary>
+        /// <param name="path">路径</param>
+        /// <returns>Section集合</returns>
+        public static List<string> ReadSections()
+        {
+            byte[] buffer = new byte[65536];
+
+            uint length = GetPrivateProfileStringA(null, null, null, buffer, buffer.Length, iniFilePath);
+
+            int startIndex = 0;
+
+            List<string> sections = new List<string>();
+
+            for (int i = 0; i < length; i++)
+            {
+                if (buffer[i] == 0)
+                {
+                    sections.Add(Encoding.Default.GetString(buffer, startIndex, i - startIndex));
+                    startIndex = i + 1;
+                }
+            }
+
+            return sections;
+        }
+
+
+
+        #endregion
+
+        #region 根据某个Section读取所有的Keys
+
+        /// <summary>
+        /// 根据某个Section读取所有的Keys
+        /// </summary>
+        /// <param name="section">某个section</param>
+        /// <param name="path">路径</param>
+        /// <returns>key的集合</returns>
+        public static List<string> ReadKeys(string section, string path)
+        {
+            byte[] buffer = new byte[65536];
+
+            uint length = GetPrivateProfileStringA(section, null, null, buffer, buffer.Length, path);
+
+            int startIndex = 0;
+
+            List<string> keys = new List<string>();
+
+            for (int i = 0; i < length; i++)
+            {
+                if (buffer[i] == 0)
+                {
+                    keys.Add(Encoding.Default.GetString(buffer, startIndex, i - startIndex));
+                    startIndex = i + 1;
+                }
+            }
+
+            return keys;
+
+        }
+
+        /// <summary>
+        /// 根据某个Section读取所有的Keys
+        /// </summary>
+        /// <param name="section">某个section</param>
+        /// <param name="path">路径</param>
+        /// <returns>key的集合</returns>
+        public static List<string> ReadKeys(string section)
+        {
+            byte[] buffer = new byte[65536];
+
+            uint length = GetPrivateProfileStringA(section, null, null, buffer, buffer.Length, iniFilePath);
+
+            int startIndex = 0;
+
+            List<string> keys = new List<string>();
+
+            for (int i = 0; i < length; i++)
+            {
+                if (buffer[i] == 0)
+                {
+                    keys.Add(Encoding.Default.GetString(buffer, startIndex, i - startIndex));
+                    startIndex = i + 1;
+                }
+            }
+
+            return keys;
+
+        }
+
+        #endregion
+
+    }
+}