Ini操作类-白红宇

Ini操作类

阅读量：6262 次

发布时间：2019-06-22

本文共 4656 字，大约阅读时间需要 15 分钟。

using System;using System.Collections;using System.Collections.Generic;using System.Linq;using System.Runtime.InteropServices;using System.Text;public class INIFileUtil{    ///     /// INI文件地址    /// 
    private string path;    ///     /// 初始化    /// 
    /// 路径    private INIFileUtil(string INIPath)    {        this.path = INIPath;    }    public static INIFileUtil LoadIniFile(string iniFile)    {        return new INIFileUtil(iniFile);    }    ///     /// 构造函数    /// 
    private INIFileUtil()    {    }    [DllImport("kernel32", EntryPoint = "WritePrivateProfileString")]    private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);    [DllImport("kernel32", EntryPoint = "GetPrivateProfileString")]    private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);    [DllImport("kernel32", EntryPoint = "GetPrivateProfileString")]    private static extern int GetPrivateProfileString(string section, string key, string def, byte[] retVal, int size, string filePath);    [DllImport("kernel32.dll", EntryPoint = "GetPrivateProfileSectionNames", CharSet = CharSet.Ansi)]    private static extern int GetPrivateProfileSectionNames(IntPtr lpszReturnBuffer, int nSize, string filePath);    [DllImport("KERNEL32.DLL ", EntryPoint = "GetPrivateProfileSection", CharSet = CharSet.Ansi)]    private static extern int GetPrivateProfileSection(string lpAppName, byte[] lpReturnedString, int nSize, string filePath);    ///     /// 写INI文件    /// 
    /// 分组节点    /// 关键字    /// 值    public void IniWriteValue(string Section, string Key, string Value)    {        INIFileUtil.WritePrivateProfileString(Section, Key, Value, this.path);    }    ///     ///  读取INI文件    /// 
    /// 分组节点    /// 关键字    /// 
         public string IniReadValue(string Section, string Key)    {        StringBuilder stringBuilder = new StringBuilder(255);        INIFileUtil.GetPrivateProfileString(Section, Key, "", stringBuilder, 255, this.path);        return stringBuilder.ToString();    }    ///     /// 读取INI文件    /// 
    /// 分组节点    /// 关键字    /// 
         public byte[] IniReadValues(string section, string key)    {        byte[] array = new byte[255];        INIFileUtil.GetPrivateProfileString(section, key, "", array, 255, this.path);        return array;    }    ///     /// 删除ini文件下所有段落    /// 
    public void ClearAllSection()    {        this.IniWriteValue(null, null, null);    }    ///     /// 删除ini文件下指定段落下的所有键    /// 
    /// 指定段    public void ClearSection(string Section)    {        this.IniWriteValue(Section, null, null);    }    ///     /// 读取一个ini里面所有的节    /// 
    ///     ///     /// 
         public int GetAllSectionNames(out List
     
       sections)    {        int MAX_BUFFER = 32767;        IntPtr pReturnedString = Marshal.AllocCoTaskMem(MAX_BUFFER);        int bytesReturned = GetPrivateProfileSectionNames(pReturnedString, MAX_BUFFER, this.path);        if (bytesReturned == 0)        {            sections = new List
      
       ();            return -1;        }        string local = Marshal.PtrToStringAnsi(pReturnedString, (int)bytesReturned).ToString();        Marshal.FreeCoTaskMem(pReturnedString);        //use of Substring below removes terminating null for split        sections = local.Substring(0, local.Length - 1).Split('\0').ToList
       
        ();        return 0;    }    /// 
            /// 得到某个节点下面所有的key和value组合    /// 
    /// 
            /// 
            /// 
            /// 
            /// 
            public int GetAllKeyValues(string section, out string[] keys, out string[] values)    {        byte[] b = new byte[65535];        GetPrivateProfileSection(section, b, b.Length, this.path);        string s = System.Text.Encoding.Default.GetString(b);        string[] tmp = s.Split((char)0);        ArrayList result = new ArrayList();        foreach (string r in tmp)        {            if (r != string.Empty)                result.Add(r);        }        keys = new string[result.Count];        values = new string[result.Count];        for (int i = 0; i < result.Count; i++)        {            string[] item = result[i].ToString().Split(new char[] { '=' });            if (item.Length == 2)            {                keys[i] = item[0].Trim();                values[i] = item[1].Trim();            }            else if (item.Length == 1)            {                keys[i] = item[0].Trim();                values[i] = "";            }            else if (item.Length == 0)            {                keys[i] = "";                values[i] = "";            }        }        return 0;    }}