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C#获取ini文件中section节点下全部key的值
source link: https://blog.51cto.com/u_16459851/8925078
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C#获取ini文件中section节点下全部key的值
精选 原创本文不对ini文件的基本读取、写入key的value方法做详细介绍；仅介绍获取ini文件中section节点下全部key的值的方法；
- ini文件内容
步骤：打开VS软件，新建项目后，在界面添加按钮控件和textbox控件，以便查看效果；
- 添加引用；
using System.Runtime.InteropServices;//添加引用
- 声明API；
/// <summary>
/// 获取某个指定节点(Section)中所有KEY和Value
/// </summary>
/// <param name="lpAppName"></param>
/// <param name="lpszReturnBuffer"></param>
/// <param name="nSize"></param>
/// <param name="lpFileName"></param>
/// <returns></returns>
[DllImport("kernel32.dll")]
private static extern int GetPrivateProfileSection(string lpAppName, byte[] lpszReturnBuffer, int nSize, string lpFileName);
- 获取结果后保存到string[]数组中
/// <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"></param>
/// <param name="section"></param>
/// <returns></returns>
public static string[] INIGetAllItems2(string iniFile, string section)
{
byte[] buffer = new byte[2048];
GetPrivateProfileSection(section, buffer, 2048, iniFile);
String[] tmp = Encoding.Default.GetString(buffer).Trim('\0').Split('\0');
return tmp;
}- 获取结果后保存到字典
public static Dictionary<string, string> GetKeys(string iniFile, string category)
{
//获取INI文件中指定节点(Section)中的所有条目(key=value形式)
string[] tmp = INIGetAllItems2(iniFile, category);
//也可将数组转变成字典
Dictionary<string, string> result = new Dictionary<string, string>();
if (tmp[0] != "")
{
foreach (String entry in tmp)
{
string[] v = entry.Split('=');
result.Add(v[0], v[1]);
}
}
return result;
}- 通过按钮调用方法；可以使用string[]数组保存数据，也可使用字典保存数据；本文演示字典保存数据的方法；
private void button1_Click(object sender, EventArgs e)
{
Dictionary<string, string> keyValues = new Dictionary<string, string>();
string iniFile = "D:\\Test.ini";
keyValues= GetKeys(iniFile, "Config");
//遍历键值对
foreach (var keyvalue in keyValues)
{
textBox1.AppendText(string.Format("键值对：{0}，{1}，{2}", keyvalue.Key.ToString(), keyvalue.Value.ToString(),"\r\n"));
}
}using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Runtime.InteropServices;//添加引用
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace WindowsFormsApp1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
#region API声明
/// <summary>
/// 获取某个指定节点(Section)中所有KEY和Value
/// </summary>
/// <param name="lpAppName"></param>
/// <param name="lpszReturnBuffer"></param>
/// <param name="nSize"></param>
/// <param name="lpFileName"></param>
/// <returns></returns>
[DllImport("kernel32.dll")]
private static extern int GetPrivateProfileSection(string lpAppName, byte[] lpszReturnBuffer, int nSize, string lpFileName);
#endregion
/// <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"></param>
/// <param name="section"></param>
/// <returns></returns>
public static string[] INIGetAllItems2(string iniFile, string section)
{
byte[] buffer = new byte[2048];
GetPrivateProfileSection(section, buffer, 2048, iniFile);
String[] tmp = Encoding.Default.GetString(buffer).Trim('\0').Split('\0');
return tmp;
}
public static Dictionary<string, string> GetKeys(string iniFile, string category)
{
//获取INI文件中指定节点(Section)中的所有条目(key=value形式)
string[] tmp = INIGetAllItems2(iniFile, category);
//也可将数组转变成字典
Dictionary<string, string> result = new Dictionary<string, string>();
if (tmp[0] != "")
{
foreach (String entry in tmp)
{
string[] v = entry.Split('=');
result.Add(v[0], v[1]);
}
}
return result;
}
private void button1_Click(object sender, EventArgs e)
{
Dictionary<string, string> keyValues = new Dictionary<string, string>();
string iniFile = "D:\\Test.ini";
keyValues= GetKeys(iniFile, "Config");
//遍历键值对
foreach (var keyvalue in keyValues)
{
textBox1.AppendText(string.Format("键值对：{0}，{1}，{2}", keyvalue.Key.ToString(), keyvalue.Value.ToString(),"\r\n"));
}
}
}
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