ini文件操作类（INIFileHelper.cs）

基本信息

源码名称：ini文件操作类（INIFileHelper.cs）

源码大小：1.88KB

文件格式：.zip

开发语言：C#

更新时间：2020-08-06

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源码介绍

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;

namespace VisionSysyem.Help
{
/// <summary>
/// ini
/// </summary>
public class INIFileHelper
{
#region 写入INI文件
/// /// <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);
#endregion
#region 读取INI文件值 string
/// <summary>
/// 读取INI文件值 string
/// </summary>
/// <param name="section">节点名</param>
/// <param name="key">键</param>
/// <param name="def">未取到值时返回的默认值</param>
/// <param name="filePath">INI文件完整路径</param>
/// <returns>读取的值</returns>
public static string Read_INI(string section, string key, string def, string filePath)
{
StringBuilder sb = new StringBuilder(1024);
GetPrivateProfileString(section, key, def, sb, 1024, filePath);
return sb.ToString();
}
#endregion
#region 读取INI文件
/// <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);

#endregion
#region 写入ini
/// <summary>
/// 写入 ini
/// </summary>
/// <param name="section"></param>
/// <param name="key"></param>
/// <param name="iValue"></param>
private static void WriteContentValueINI(string section, string key, string iValue, string path)
{
WritePrivateProfileString(section, key, iValue, path);
}
#endregion
#region 读取INI文件中的内容方法
/// <summary>
/// 读取INI文件中的内容方法
/// </summary>
/// <param name="Section">键</param>
/// <param name="key">值</param>
/// <returns></returns>
public static string ReadContentValue(string Section, string key, string path)
{
StringBuilder temp = new StringBuilder(1024);
GetPrivateProfileString(Section, key, "", temp, 1024, path);
return temp.ToString();
}
#endregion
#region 写配置文件 ini
/// <summary>
/// 写配置文件 ini
/// </summary>
/// <param name="section"> 截面</param>
/// <param name="key">键</param>
/// <param name="value">值</param>
public static void getWriteConfig(string section, string key, string value, string path)
{
//如果文件不存在，则创建
if (File.Exists(path))
{

using (FileStream myFs = new FileStream(path, FileMode.Create)) { }
}
WriteContentValueINI(section, key, value, path);
}
#endregion
#region 读取配置文件 ini public
/// <summary>
/// 读取配置文件 ini
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="section"></param>
/// <param name="key"></param>
/// <returns></returns>
public static T getReadConfig<T>(string section, string key, string path)
{
if (File.Exists(path))
{

string value = ReadContentValue(section, key, path);

if (String.IsNullOrWhiteSpace(value))
return default(T);

if (typeof(T).IsEnum)
return (T)Enum.Parse(typeof(T), value, true);

return (T)Convert.ChangeType(value, typeof(T));
}
else
{
return default(T);
}
}
#endregion
#region 删除键的值 ini
/// <summary>
/// 删除键的值 ini
/// </summary>
/// <param name="section">节点名</param>
/// <param name="key">键名</param>
/// <param name="filePath">INI文件完整路径</param>
/// <returns>非零表示成功，零表示失败</returns>
public static void DeleteKey(string section, string key, string filePath)
{
WriteContentValueINI(section, key, null, filePath);
}
#endregion
#region 删除节ini
/// <summary>
/// 删除节
/// </summary>
/// <param name="section">节点名</param>
/// <param name="filePath">INI文件完整路径</param>
/// <returns>非零表示成功，零表示失败</returns>
public static void DeleteSection(string section, string filePath)
{
WriteContentValueINI(section, null, null, filePath);
}

#endregion
[DllImport("kernel32.dll")]
private static extern int GetPrivateProfileSection(string lpAppName, byte[] lpszReturnBuffer, string lpFileName);

private List<string> GetKeys(string iniFile, string category)
{

byte[] buffer = new byte[1024 * 1024 * 1024];

GetPrivateProfileSection(category, buffer, iniFile);
String[] tmp = Encoding.ASCII.GetString(buffer).Trim('\0').Split('\0');

List<string> result = new List<string>();

foreach (String entry in tmp)
{
result.Add(entry.Substring(0, entry.IndexOf("=")));
}

return result;
}
//保存参数
public static void SetValue(string section, string key, string value)
{
//获得当前路径，当前是在Debug路径下
string strPath = Environment.CurrentDirectory "\\system.ini";
WritePrivateProfileString(section, key, value, strPath);
}

//读取参数
public static string GetValue(string section, string key)
{
StringBuilder sb = new StringBuilder(255);
string strPath = Environment.CurrentDirectory "\\system.ini";
//最好初始缺省值设置为非空，因为如果配置文件不存在，取不到值，程序也不会报错
GetPrivateProfileString(section, key, "配置文件不存在，未取到参数", sb, 255, strPath);
return sb.ToString();
}
}
}