• C# 操作 INI 自己工作笔记(对文本框的操作)


    using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Windows.Forms;
    using System.IO;
    using System.Runtime.InteropServices;

    namespace GHGD.UI
    {
    public partial class FrmBackUp : Form
    {
    public FrmBackUp()
    {
    InitializeComponent();
    }

    #region "声明变量"

    /// <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);
    //private string strFilePath = Application.StartupPath + "\BackUpIni.ini";//获取INI文件路径
    private string strFilePath = Application.StartupPath + "\" + "BackUpIni.ini";//获取INI文件路径

    private string strSec =""; //INI文件名

    #endregion

    //写入按钮事件
    //private void btnWrite_Click(object sender, EventArgs e)
    //{
    // 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
    // strSec = Path.GetFileNameWithoutExtension(strFilePath);
    // WritePrivateProfileString(strSec, "Name", txt_ServerName.Text.Trim(), strFilePath);
    // WritePrivateProfileString(strSec, "Sex", txt_DatabaseName.Text.Trim(), strFilePath);
    // WritePrivateProfileString(strSec, "Age", txt_UserName.Text.Trim(), strFilePath);
    // WritePrivateProfileString(strSec, "Address", txt_Password.Text.Trim(), strFilePath);
    // WritePrivateProfileString(strSec, "Address", txt_BackUpPath.Text.Trim(), strFilePath);
    // MessageBox.Show("写入成功");
    // }catch(Exception ex){
    // MessageBox.Show(ex.Message.ToString());
    // }
    //}

    //读取按钮事件
    //private void btnRead_Click(object sender, EventArgs e)
    //{
    //if (File.Exists(strFilePath))//读取时先要判读INI文件是否存在
    //{
    // //[BackUpIni]
    // strSec = Path.GetFileNameWithoutExtension(strFilePath);
    // txt_ServerName.Text = ContentValue(strSec, "ServerName");
    // txt_DatabaseName.Text = ContentValue(strSec, "DatabaseName");
    // txt_UserName.Text = ContentValue(strSec, "UserName");
    // txt_Password.Text = ContentValue(strSec, "Password");
    // txt_BackUpPath.Text = ContentValue(strSec, "BackUpPath");
    //}
    //else {
    // MessageBox.Show("INI文件不存在");
    //}
    //}


    /// <summary>
    /// 自定义读取INI文件中的内容方法
    /// </summary>
    /// <param name="Section">键</param>
    /// <param name="key">值</param>
    /// <returns></returns>
    private string ContentValue(string Section,string key) {

    StringBuilder temp = new StringBuilder(1024);
    int i = GetPrivateProfileString(Section, key, "", temp, 1024, strFilePath);
    return temp.ToString();
    }

    private void FrmBackUp_Load(object sender, EventArgs e)
    {
    //MessageBox.Show(strFilePath);
    if (File.Exists(strFilePath))//读取时先要判读INI文件是否存在
    {
    //[BackUpIni]
    strSec = Path.GetFileNameWithoutExtension(strFilePath);
    txt_ServerName.Text = ContentValue(strSec, "ServerName");
    txt_DatabaseName.Text = ContentValue(strSec, "DatabaseName");
    txt_UserName.Text = ContentValue(strSec, "UserName");
    txt_Password.Text = ContentValue(strSec, "Password");
    txt_BackUpPath.Text = ContentValue(strSec, "BackUpPath");
    }
    else
    {
    //类的构造函数,传递INI文件名
    //public IniFiles(string AFileName)
    //{
           // 判断文件是否存在
    FileInfo fileInfo = new FileInfo(strFilePath);
           if ((!fileInfo.Exists))
           { //|| (FileAttributes.Directory in fileInfo.Attributes))
            //文件不存在,建立文件
    System.IO.StreamWriter sw = new System.IO.StreamWriter(strFilePath, false, System.Text.Encoding.Default);
            try
            {
               sw.Write("#备份数据文档");
               sw.Close();
            }
            catch
            {
               throw (new ApplicationException("Ini文件不存在"));
            }
           }
          //必须是完全路径,不能是相对路径
    strFilePath = fileInfo.FullName;
    MessageBox.Show("strFilePath: " + strFilePath);

    strSec = Path.GetFileNameWithoutExtension(strFilePath);
    MessageBox.Show("strSec: " + strSec);
    txt_ServerName.Text = ContentValue(strSec, "ServerName");
    txt_DatabaseName.Text = ContentValue(strSec, "DatabaseName");
    txt_UserName.Text = ContentValue(strSec, "UserName");
    txt_Password.Text = ContentValue(strSec, "Password");
    txt_BackUpPath.Text = ContentValue(strSec, "BackUpPath");

    //}
    //MessageBox.Show("INI文件不存在");
    }
    }

    private void btn_BackUp_ok_Click(object sender, EventArgs e)
    {
    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
    WritePrivateProfileString("BackUpIni", "ServerName", txt_ServerName.Text.Trim(), strFilePath);
    WritePrivateProfileString("BackUpIni", "DatabaseName", txt_DatabaseName.Text.Trim(), strFilePath);
    WritePrivateProfileString("BackUpIni", "UserName", txt_UserName.Text.Trim(), strFilePath);
    WritePrivateProfileString("BackUpIni", "Password", txt_Password.Text.Trim(), strFilePath);
    WritePrivateProfileString("BackUpIni", "BackUpPath", txt_BackUpPath.Text.Trim(), strFilePath);
    MessageBox.Show("写入成功");
    }
    catch (Exception ex)
    {
    MessageBox.Show(ex.Message.ToString());
    }
    this.Close();
    }

    private void btn_BackUp_cancle_Click(object sender, EventArgs e)
    {
    this.Close();
    }
    }
    }

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  • 原文地址:https://www.cnblogs.com/meimao5211/p/3339120.html
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