#region 判断文件是否存在，不存在则创建，否则读取值显示到窗体
public FormMain()
{
InitializeComponent();
//ReadFile(Application.StartupPath + \\AlarmSet.txt);


//也是判断文件是否存在
//System.IO.DirectoryInfo info = new System.IO.DirectoryInfo(Application.StartupPath + "\\AlarmSet.txt");
//MessageBox.Show(info.Exists.ToString());
//MessageBox.Show(Application.StartupPath + "\\AlarmSet.txt");
//判断文件是否存在
if (!File.Exists(Application.StartupPath + "\\AlarmSet.txt"))
{
//File.Create(Application.StartupPath + "\\AlarmSet.txt");//创建该文件
FileStream fs1 = new FileStream(Application.StartupPath + "\\AlarmSet.txt", FileMode.Create, FileAccess.Write);//创建写入文件
StreamWriter sw = new StreamWriter(fs1);
sw.WriteLine("[runtype]");//开始写入值
sw.WriteLine("type=1");
sw.WriteLine("\r\n");
sw.WriteLine("--报警设置 PPWS 号牌匹配位数 PPWZ 匹配位置 0前匹配 1后匹配");
sw.WriteLine("[Alarm]");
sw.WriteLine("PPWZ=0");
sw.WriteLine("PPWS=8");
sw.WriteLine("\r\n");
sw.WriteLine("[Server]");
sw.WriteLine("ListenPort=2005");
sw.WriteLine("\r\n");
sw.WriteLine("[Form]");
sw.WriteLine("PPWZ=0");
sw.Close();
fs1.Close();
}
//读取文件值并显示到窗体
FileStream fs = new FileStream(Application.StartupPath + "\\AlarmSet.txt", FileMode.Open, FileAccess.ReadWrite);
StreamReader sr = new StreamReader(fs);
string line = sr.ReadLine();
int curLine = 0;
while (line != null)
{
if (++curLine == 7 && line.Equals("PPWZ=0"))//文件第7行并且值为PPWZ=0的时候设置单选钮选中前匹配
{
radioButton1.Checked = true;
radioButton2.Checked = false;
//MessageBox.Show("前");
}
else if (curLine == 8 && line.Equals("PPWZ=1"))//文件第8行并且值为PPWZ=1的时候设置单选钮选中后匹配
{
radioButton2.Checked = true;
radioButton1.Checked = false;
//MessageBox.Show("后");
}
if (curLine == 8)//文件第8行
{
textBox1.Text = line.Substring(line.LastIndexOf("=") + 1);//截取=号后边的值
}
//MessageBox.Show("第" + (++curLine).ToString() + "行:   " + line);
//Console.WriteLine("第" + (++curLine).ToString() + "行:   " + line);
line = sr.ReadLine();
}
sr.Close();
fs.Close();
}
#endregion