栏目分类:
子分类:
返回
名师互学网用户登录
快速导航关闭
当前搜索
当前分类
子分类
实用工具
热门搜索
名师互学网 > IT > 软件开发 > 后端开发 > C/C++/C# > C#教程

c#实现ini文件读写类分享

C#教程 更新时间: 发布时间: IT归档 最新发布 模块sitemap 名妆网 法律咨询 聚返吧 英语巴士网 伯小乐 网商动力

c#实现ini文件读写类分享

复制代码 代码如下:
///


    /// 读写INI文件的类。
    ///

    public class INIHelper
    {
        // 读写INI文件相关。
        [Dllimport("kernel32.dll", EntryPoint = "WritePrivateProfileString", CharSet = CharSet.Ansi)]
        public static extern long WritePrivateProfileString(string section, string key, string val, string filePath);
        [Dllimport("kernel32.dll", EntryPoint = "GetPrivateProfileString", CharSet = CharSet.Ansi)]
        public static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);

        [Dllimport("kernel32.dll", EntryPoint = "GetPrivateProfileSectionNames", CharSet = CharSet.Ansi)]
        public static extern int GetPrivateProfileSectionNames(IntPtr lpszReturnBuffer, int nSize, string filePath);

        [Dllimport("KERNEL32.DLL ", EntryPoint = "GetPrivateProfileSection", CharSet = CharSet.Ansi)]
        public static extern int GetPrivateProfileSection(string lpAppName, byte[] lpReturnedString, int nSize, string filePath);


        ///


        /// 向INI写入数据。
        ///

        /// 节点名。
        /// 键名。
        /// 值名。
        public static void Write(string Section, string Key, string Value, string path)
        {
            WritePrivateProfileString(Section, Key, Value, path);
        }


        ///


        /// 读取INI数据。
        ///

        /// 节点名。
        /// 键名。
        /// 值名。
        /// 相应的值。
        public static string Read(string Section, string Key, string path)
        {
            StringBuilder temp = new StringBuilder(255);
            int i = GetPrivateProfileString(Section, Key, "", temp, 255, path);
            return temp.ToString();
        }

        ///


        /// 读取一个ini里面所有的节
        ///

        ///
        ///
        ///
        public static int GetAllSectionNames(out string[] sections, string path)
        {
            int MAX_BUFFER = 32767;
            IntPtr pReturnedString = Marshal.AllocCoTaskMem(MAX_BUFFER);
            int bytesReturned = GetPrivateProfileSectionNames(pReturnedString, MAX_BUFFER, path);
            if (bytesReturned == 0)
            {
                sections = null;
                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('');
            return 0;
        }

        ///


        /// 得到某个节点下面所有的key和value组合
        ///

        ///
        ///
        ///
        ///
        ///
        public static int GetAllKeyValues(string section, out string[] keys, out string[] values, string path)
        {
            byte[] b = new byte[65535];

            GetPrivateProfileSection(section, b, b.Length, 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;
        }

    }

转载请注明:文章转载自 www.mshxw.com
本文地址:https://www.mshxw.com/it/126819.html
我们一直用心在做
关于我们 文章归档 网站地图 联系我们

版权所有 (c)2021-2022 MSHXW.COM

ICP备案号:晋ICP备2021003244-6号