C#如何读写INI文件？？？

Question

RT

Answer 1

//声明ini文件的写操作函数
[DllImport("kernel32")]
private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);
//声明ini文件的读操作函数
[DllImport("kernel32")]
private static extern int GetPrivateProfileString(
string section,              // ini文件段落的名称
string key,                  // 关键字
string def,                  // 无法读取关键字数值时的缺省数值
StringBuilder retval,        // 读取数值
int size,                    // 数值大小
string filePath              // ini文件的完整路径
);//加载文件
private void button1_Click(object sender, System.EventArgs e)
{
OpenFileDialog openFD = new OpenFileDialog();
openFD.Filter = "ini 文件(*.ini)|*.ini";
if(openFD.ShowDialog()==DialogResult.OK)
{
this.textBox1.Text = openFD.FileName;
this.richTextBox1.LoadFile(openFD.FileName,RichTextBoxStreamType.PlainText);
}
} //刷新
private void button2_Click(object sender, System.EventArgs e)
{
if(this.textBox1.Text!="")
{
try
{
this.richTextBox1.LoadFile(this.textBox1.Text,RichTextBoxStreamType.PlainText);
}
catch(Exception ex)
{
MessageBox.Show(ex.Message,"错误");
}
}
else
{
MessageBox.Show("请先选择一个ini文件！","提示");
}
} //写入
private void button3_Click(object sender, System.EventArgs e)
{
if(this.textBox1.Text.Trim()=="")
{
MessageBox.Show("请先选择一个ini文件！","提示");
return;
}
if(textBox2.Text==""||textBox3.Text==""||textBox4.Text=="")
{
MessageBox.Show("请完整输入 段落名、关键字和关键字数值！","提示");
return;
}
try
{
WritePrivateProfileString(textBox2.Text,textBox3.Text,textBox4.Text,textBox1.Text);
MessageBox.Show("成功写入ini文件！");
}
catch(Exception ex)
{
MessageBox.Show(ex.Message,"错误");
}
} private void button4_Click(object sender, System.EventArgs e)
{
if(this.textBox1.Text.Trim()=="")
{
MessageBox.Show("请先选择一个ini文件！","提示");
return;
}
if(textBox2.Text==""||textBox3.Text=="")
{
MessageBox.Show("请完整输入 段落名和关键字数值！","提示");
return;
}
StringBuilder temp = new StringBuilder(255);
try
{
int i = GetPrivateProfileString(textBox2.Text,textBox3.Text,"无法读取对应的数值",temp,255,textBox1.Text);
textBox4.Text = temp.ToString();
}
catch(Exception ex)
{
MessageBox.Show(ex.Message,"错误");
}
}
不知可能满足LZ需求

Answer 2

//配置信息结构
    public class ConfigInfo
    {
        string FILE_NAME = ConstantClass.CONFIG_FILE_PATH;
        public string host;
        public string post;
        public string adress;
        public bool onlyUseAdress;
        private int channelNum;
        public List<ChannelInfo> channelList;                public ConfigInfo()
        {
            channelNum = 0;
            host = string.Empty;
            post = string.Empty;
            channelList = new List<ChannelInfo>(7);
        }        #region 添加读写INI文件方法的声明
        [DllImport("kernel32")]
        private static extern bool GetPrivateProfileString(
          string lpApplicationName,
          string lpKeyName,
          string lpDefault,
          StringBuilder lpReturnedString,
          int nSize,
          string lpFileName);
        [DllImport("kernel32")]
        private static extern bool WritePrivateProfileString(
          string lpApplicationName,
          string lpKeyName,
          string lpString,
          string lpFileName);        #endregion        //读取写入配置信息
        public void SaveConfigInfo()
        {
            try
            {
                WritePrivateProfileString("ConfigInfo", "host", host, FILE_NAME);
                WritePrivateProfileString("ConfigInfo", "post", post, FILE_NAME);
                WritePrivateProfileString("ConfigInfo", "adress", adress, FILE_NAME);
                WritePrivateProfileString("ConfigInfo", "onlyUseAdress", onlyUseAdress.ToString(), FILE_NAME);
                WritePrivateProfileString("ConfigInfo", "channelNum", channelList.Count.ToString(), FILE_NAME);                for (int i = 0; i < channelList.Count; ++i)
                {
                    WritePrivateProfileString("channel" + i.ToString(), "dbName", channelList[i].dbName, FILE_NAME);
                    WritePrivateProfileString("channel" + i.ToString(), "icoIndex", channelList[i].icoIndex.ToString(), FILE_NAME);
                    WritePrivateProfileString("channel" + i.ToString(), "isShow", channelList[i].isShow.ToString(), FILE_NAME);
                }
            }
            catch
            {
            }
        }        //读取配置信息
        public void LoadConfigInfo()
        {
            int length = 255;
            StringBuilder tempStr = new StringBuilder(length);            if (!File.Exists(FILE_NAME))
            {
                File.Create(FILE_NAME);
            }            try
            {
                GetPrivateProfileString("ConfigInfo", "host", "", tempStr, tempStr.Capacity, FILE_NAME);
                host = tempStr.ToString();
                GetPrivateProfileString("ConfigInfo", "post", "", tempStr, tempStr.Capacity, FILE_NAME);
                post = tempStr.ToString();
                GetPrivateProfileString("ConfigInfo", "adress", "", tempStr, tempStr.Capacity, FILE_NAME);
                adress = tempStr.ToString();
                GetPrivateProfileString("ConfigInfo", "onlyUseAdress", "", tempStr, tempStr.Capacity, FILE_NAME);
                onlyUseAdress = bool.Parse(tempStr.ToString());
                GetPrivateProfileString("ConfigInfo", "channelNum", "0", tempStr, tempStr.Capacity, FILE_NAME);
                channelNum = int.Parse(tempStr.ToString());                ChannelInfo item;
                channelList.Clear();
                string temp;
                for (int i = 0; i < channelNum; ++i)
                {
                    item = new ChannelInfo();
                    temp = "channel" + i.ToString();
                    GetPrivateProfileString(temp, "dbName", "", tempStr, tempStr.Capacity, FILE_NAME);
                    item.dbName = tempStr.ToString();
                    GetPrivateProfileString(temp, "icoIndex", "", tempStr, tempStr.Capacity, FILE_NAME);
                    item.icoIndex = int.Parse(tempStr.ToString());
                    GetPrivateProfileString(temp, "isShow", "", tempStr, tempStr.Capacity, FILE_NAME);
                    item.isShow = bool.Parse(tempStr.ToString());                    channelList.Add(item);
                }
            }
            catch
            {                
            }
        }

Answer 3

http://www.mentalis.org/soft/class.qpx?id=6

Answer 4

xml年代还用ini，ini基本都快被淘汰了，建议楼主用XML吧