ini配置文件读写

  1 using LogTool;
  2 using System;
  3 using System.IO;
  4 using System.Linq;
  5 using System.Runtime.InteropServices;
  6 using System.Text;
  7 using System.Threading.Tasks;
  8 using FileTool;
  9 using System.Collections.Generic;
 10 
 11 namespace IniTool
 12 {
 13     /// <summary>
 14     /// ini配置文件读写类
 15     /// </summary>
 16     public class ini_RW
 17     {
 18         //配置文件保存路径
 19         public static string iniFile = "config.ini";
 20 
 21         //声明读写INI文件的API函数
 22         [DllImport("kernel32")]
 23         private static extern bool WritePrivateProfileString(string section, string key, string val, string filePath);
 24         [DllImport("kernel32")]
 25         private static extern int GetPrivateProfileString(string section, string key, string def, byte[] retVal, int size, string filePath);
 26         [DllImport("kernel32", EntryPoint = "GetPrivateProfileString")]
 27         private static extern uint GetPrivateProfileStringA(string section, string key,string def, Byte[] retVal, int size, string filePath);
 28 
 29         public static void CheckIniFile()
 30         {
 31             //创建配置文件，文件存在则跳过
 32             Files.CreatFile(iniFile);
 33         }
 34 
 35         /// <summary>
 36         /// 删除配置文件
 37         /// </summary>
 38         public static void DeleteIni()
 39         {
 40             Files.DeleteFile(iniFile);
 41         }
 42 
 43         /// <summary>
 44         /// 打开配置文件
 45         /// </summary>
 46         public static void OpenIni()
 47         {
 48             Files.openFile(iniFile, Files.FileType.TYPE_INI);
 49         }
 50 
 51         //读取
 52         public static string ReadIni(string Section, string Ident, string Default)
 53         {
 54             Byte[] Buffer = new Byte[65535];
 55             int bufLen = GetPrivateProfileString(Section, Ident, Default, Buffer, Buffer.GetUpperBound(0), iniFile);
 56             //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
 57             string s = Encoding.GetEncoding(0).GetString(Buffer);
 58             s = s.Substring(0, bufLen);
 59             return s.Trim();
 60         }
 61 
 62         //写入
 63         public static void WriteIni(string Section, string Ident, string Value)
 64         {
 65             if (!WritePrivateProfileString(Section, Ident, Value, iniFile))
 66             {
 67                 throw (new ApplicationException("写入配置文件出错"));
 68             }
 69         }
 70 
 71         //读取ini文件的全部Section
 72         public static List<string> ReadSections()
 73         {
 74             List<string> SectionsList = new List<string>();
 75             Byte[] buf = new Byte[65536];
 76             uint len = GetPrivateProfileStringA(null, null, null, buf, buf.Length, iniFile);
 77             int j = 0;
 78             for (int i = 0; i < len; i++)
 79             {
 80                 if (buf[i] == 0)
 81                 {
 82                     SectionsList.Add(Encoding.Default.GetString(buf, j, i - j));
 83 
 84                     j = i + 1;
 85                 }
 86             }
 87             return SectionsList;
 88         }
 89 
 90         //判断Section是否存在
 91         public static bool HasSection(string section) {
 92             return ReadSections().Exists(s => s == section);
 93         }
 94 
 95         //读取Section下的全部Ident
 96         public static List<string> ReadIdents(string Section)
 97         {
 98             List<string> IdentsList = new List<string>();
 99             Byte[] buf = new Byte[65536];
100             uint len = GetPrivateProfileStringA(Section, null, null, buf, buf.Length, iniFile);
101             int j = 0;
102             for (int i = 0; i < len; i++)
103             {
104                 if (buf[i] == 0)
105                 {
106                     IdentsList.Add(Encoding.Default.GetString(buf, j, i - j));
107 
108                     j = i + 1;
109                 }
110             }
111             return IdentsList;
112         }
113 
114         //判断Ident是否存在
115         public static bool HasIdent(string section, string ident) {
116             return ReadIdents(section).Exists(i => i == ident);
117         }
118 
119         /// <summary>
120         /// 增加新的配置信息
121         /// </summary>
122         /// <param name="Section"></param>
123         /// <param name="Ident"></param>
124         /// <param name="Value"></param>
125         public static void AddConfigInfo(string Section, string Ident, string Value)
126         {
127             if (!HasSection(Section) || !HasIdent(Section, Ident))
128             {
129                 WriteIni(Section, Ident, Value);
130             }
131         }
132     }
133 }