lserp_cs_6.0/插件库/Lskj.Util/IniHelper.cs

/******************************
* 说明:Ini 文件操作类
* 创建人:龚宇超
* 创建日期:2017-07-22
* 修改人:
* 修改日期:
* 修改备注:
* 版本:1.0.0.0
******************************/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.IO;
using System.Windows.Forms;

namespace Lskj.Util
{
    /// <summary>
    /// Ini 文件操作类
    /// </summary>
    public static class IniHelper
    {
        /// <summary>
        /// 写入INI文件
        /// </summary>
        /// <param name="section">节点名称[如[TypeName]]</param>
        /// <param name="key">键</param>
        /// <param name="val">值</param>
        /// <param name="filepath">文件路径</param>
        /// <returns></returns>
        [DllImport("kernel32")]
        private static extern long WritePrivateProfileString(string section, string key, string val, string filepath);
        /// <summary>
        /// 读取INI文件
        /// </summary>
        /// <param name="section">节点名称</param>
        /// <param name="key">键</param>
        /// <param name="def">值</param>
        /// <param name="retval">stringbulider对象</param>
        /// <param name="size">字节大小</param>
        /// <param name="filePath">文件路径</param>
        /// <returns></returns>
        [DllImport("kernel32")]
        private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retval, int size, string filePath);
        /// <summary>
        /// 获取某个指定节点(Section)中所有KEY和Value
        /// </summary>
        /// <param name="lpAppName">节点名称</param>
        /// <param name="lpReturnedString">返回值的内存地址,每个之间用\0分隔</param>
        /// <param name="nSize">内存大小(characters)</param>
        /// <param name="lpFileName">Ini文件</param>
        /// <returns>内容的实际长度,为0表示没有内容,为nSize-2表示内存大小不够</returns>
        [DllImport("kernel32")]
        private static extern int GetPrivateProfileSection(string lpAppName, byte[] lpszReturnBuffer, int nSize, string lpFileName);
        /// <summary>
        /// <para>说明：写入Ini文件(以键值对的形式存放)</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-07-22</para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="key">键</param>
        /// <param name="value">值</param>
        /// <returns></returns> 
        public static void Write(string key, string value)
        {
            try
            {
                //根据INI文件名设置要写入INI文件的节点名称
                //此处的节点名称完全可以根据实际需要进行配置
                string filePath = PubUtil.MainMenuConfigPath;
                if (!File.Exists(filePath))
                {
                    File.Create(filePath);
                }
                string fileName = Path.GetFileNameWithoutExtension(filePath);
                WritePrivateProfileString(fileName, key, value, filePath);
            }
            catch (Exception ex)
            {

            }
        }
        /// <summary>
        /// <para>说明：通过Key获取Value值</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-07-22</para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="key">键</param>
        /// <returns>值</returns>
        public static string Read(string key)
        {
            string value = string.Empty;
            try
            {
                //判读INI文件是否存在
                string filePath = PubUtil.MainMenuConfigPath;
                if (File.Exists(filePath))
                {
                    StringBuilder temp = new StringBuilder(1024);
                    string fileName = Path.GetFileNameWithoutExtension(filePath);
                    GetPrivateProfileString(fileName, key, "", temp, 1024, filePath);

                    return temp + "";
                }
            }
            catch (Exception)
            {
            }
            return value;
        }

        /// <summary>
        /// <para>说明：写入Ini文件(以键值对的形式存放)</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-07-22</para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="key">键</param>
        /// <param name="value">值</param>
        /// <returns></returns> 
        public static void Write(string iniName, string key, string value)
        {
            try
            {
                //根据INI文件名设置要写入INI文件的节点名称
                //此处的节点名称完全可以根据实际需要进行配置
                string filePath = Path.Combine(new string[] { PubUtil.AbsolutelyPath + iniName });
                if (!File.Exists(filePath))
                {
                    File.Create(filePath);
                }
                string fileName = Path.GetFileNameWithoutExtension(filePath);
                WritePrivateProfileString(fileName, key, value, filePath);
            }
            catch (Exception ex)
            {

            }
        }
        /// <summary>
        /// <para>说明：通过Key获取Value值</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-07-22</para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="key">键</param>
        /// <returns>值</returns>
        public static string Read(string iniName, string key)
        {
            string value = string.Empty;
            try
            {
                //判读INI文件是否存在
                string filePath = Path.Combine(new string[] { PubUtil.AbsolutelyPath + iniName });
                if (File.Exists(filePath))
                {
                    StringBuilder temp = new StringBuilder(1024);
                    string fileName = Path.GetFileNameWithoutExtension(filePath);
                    GetPrivateProfileString(fileName, key, "", temp, 1024, filePath);

                    return temp + "";
                }
            }
            catch (Exception)
            {
            }
            return value;
        }
        /// <summary>
        /// <para>说明：通过Key获取Value值</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-07-22</para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="key">键</param>
        /// <returns>值</returns>
        public static string Read(string iniName, string mainKey, string listKey)
        {
            string value = string.Empty;
            try
            {
                //判读INI文件是否存在
                string filePath = Path.Combine(new string[] { PubUtil.AbsolutelyPath + iniName });
                if (File.Exists(filePath))
                {
                    StringBuilder temp = new StringBuilder(1024);
                    string fileName = Path.GetFileNameWithoutExtension(filePath);
                    GetPrivateProfileString(mainKey, listKey, "", temp, 1024, filePath);

                    return temp + "";
                }
            }
            catch (Exception)
            {
            }
            return value;
        }
        /// <summary>
        /// 获取INI文件中指定节点(Section)中的所有条目(key=value形式)
        /// </summary>
        /// <param name="iniFile">Ini文件</param>
        /// <param name="section">节点名称</param>
        /// <returns>指定节点中的所有项目,没有内容返回string[0]</returns>
        public static Dictionary<string, string> GetSectionKeys(string iniFile, string category)
        {
            Dictionary<string, string> result = new Dictionary<string, string>();
            try
            {
                string filePath = Path.Combine(new string[] { PubUtil.AbsolutelyPath + iniFile });
                if (File.Exists(filePath))
                {
                    byte[] buffer = new byte[2048];
                    GetPrivateProfileSection(category, buffer, 2048, filePath);
                    String[] tmp = Encoding.Default.GetString(buffer).Trim('\0').Split('\0');
                    foreach (String entry in tmp)
                    {
                        string[] v = entry.Split('=');
                        result.Add(v[0], v[1]);
                    }
                    return result;
                }
            }
            catch (Exception)
            {
            }
            return result;
        }

    }
}