重要: Debug 改成 Release
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO; using System.Runtime.InteropServices; namespace data_migration_desk.utils { // INI文件操作类 class IniFileHelper { string strIniFilePath; // ini配置文件路径 // 返回0表示失败,非0为成功 [DllImport("kernel32", CharSet = CharSet.Auto)] private static extern long WritePrivateProfileString(string section, string key, string val, string filePath); // 返回取得字符串缓冲区的长度 [DllImport("kernel32", CharSet = CharSet.Auto)] private static extern long GetPrivateProfileString(string section, string key, string strDefault, StringBuilder retVal, int size, string filePath); [DllImport("Kernel32.dll", CharSet = CharSet.Auto)] public static extern int GetPrivateProfileInt(string section, string key, int nDefault, string filePath); /// <summary> /// 无参构造函数 /// </summary> /// <returns></returns> public IniFileHelper() { this.strIniFilePath = Directory.GetCurrentDirectory() + "\\sysconfig.ini"; } /// <summary> /// 有参构造函数 /// </summary> /// <param name="strIniFilePath">ini配置文件路径</param> /// <returns></returns> public IniFileHelper(string strIniFilePath) { if (strIniFilePath != null) { this.strIniFilePath = strIniFilePath; } } /// <summary> /// 获取ini配置文件中的字符串 /// </summary> /// <param name="section">节名</param> /// <param name="key">键名</param> /// <param name="strDefault">默认值</param> /// <param name="retVal">结果缓冲区</param> /// <param name="size">结果缓冲区大小</param> /// <returns>成功true,失败false</returns> public bool GetIniString(string section, string key, string strDefault, StringBuilder retVal, int size) { long liRet = GetPrivateProfileString(section, key, strDefault, retVal, size, strIniFilePath); return (liRet >= 1); } /// <summary> /// 获取ini配置文件中的整型值 /// </summary> /// <param name="section">节名</param> /// <param name="key">键名</param> /// <param name="nDefault">默认值</param> /// <returns></returns> public int GetIniInt(string section, string key, int nDefault) { return GetPrivateProfileInt(section, key, nDefault, strIniFilePath); } /// <summary> /// 往ini配置文件写入字符串 /// </summary> /// <param name="section">节名</param> /// <param name="key">键名</param> /// <param name="val">要写入的字符串</param> /// <returns>成功true,失败false</returns> public bool WriteIniString(string section, string key, string val) { long liRet = WritePrivateProfileString(section, key, val, strIniFilePath); return (liRet != 0); } /// <summary> /// 往ini配置文件写入整型数据 /// </summary> /// <param name="section">节名</param> /// <param name="key">键名</param> /// <param name="val">要写入的数据</param> /// <returns>成功true,失败false</returns> public bool WriteIniInt(string section, string key, int val) { return WriteIniString(section, key, val.ToString()); } } }
使用方法:
读取:
IniFileHelper iniFileHelper = new IniFileHelper(); StringBuilder sb = new StringBuilder(60); iniFileHelper.GetIniString("tokeninfo", "apiUrl", "", sb, sb.Capacity); string aaa = sb.ToString();
写入:
IniFileHelper iniFileHelper = new IniFileHelper(); iniFileHelper.WriteIniString("tokeninfo", "apiUrl", "newString");
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