实例介绍
【实例简介】C# 实现定时关机实例
【实例截图】
【核心代码】
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
public bool flag = true;
string strg;//数据库路径
OleDbConnection conn;
OleDbCommand cmd;
OleDbDataReader sdr;
[StructLayout(LayoutKind.Sequential, Pack=1)]
internal struct TokPriv1Luid
{
public int Count;
public long Luid;
public int Attr;
}
[DllImport("kernel32.dll", ExactSpelling=true) ]
internal static extern IntPtr GetCurrentProcess();
[DllImport("advapi32.dll", ExactSpelling=true, SetLastError=true) ]
internal static extern bool OpenProcessToken( IntPtr h, int acc, ref IntPtr phtok );
[DllImport("advapi32.dll", SetLastError=true) ]
internal static extern bool LookupPrivilegeValue( string host, string name, ref long pluid );
[DllImport("advapi32.dll", ExactSpelling=true, SetLastError=true) ]
internal static extern bool AdjustTokenPrivileges( IntPtr htok, bool disall,
ref TokPriv1Luid newst, int len, IntPtr prev, IntPtr relen );
[DllImport("user32.dll", ExactSpelling=true, SetLastError=true) ]
internal static extern bool ExitWindowsEx(int uFlags, int dwReserved);
internal const int SE_PRIVILEGE_ENABLED = 0x00000002;
internal const int TOKEN_QUERY = 0x00000008;
internal const int TOKEN_ADJUST_PRIVILEGES = 0x00000020;
internal const string SE_SHUTDOWN_NAME = "SeShutdownPrivilege";
internal const int EWX_LOGOFF = 0x00000000;
internal const int EWX_SHUTDOWN = 0x00000001;
internal const int EWX_REBOOT = 0x00000002;
internal const int EWX_FORCE = 0x00000004;
internal const int EWX_POWEROFF = 0x00000008;
internal const int EWX_FORCEIFHUNG = 0x00000010;
private bool DoExitWin( int flg )
{
bool ok;
ok = ExitWindowsEx(flg, 0 );
return ok;
}
private void logout()//注销
{
ExitWindowsEx(EWX_LOGOFF, 0);
flag = false;
Application.Exit();
}
private void Shutdown()//关机
{
DoExitWin(EWX_SHUTDOWN);
flag = false;
Application.Exit();
}
private void BeginPC()//重启
{
DoExitWin(EWX_REBOOT);
flag = false;
Application.Exit();
}
string settime;
int settype;
int autorun;
string message;
int cycle;
bool judge = true;//判断是否存在ID为1的数据
private void GetSetInfo()
{
JudgeID();//判断是否存在ID为1的数据
if (judge)
{
conn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data source=" strg);
conn.Open();
cmd = new OleDbCommand("select * from SetSystem where ID=1", conn);
sdr = cmd.ExecuteReader();
sdr.Read();
settime = sdr["SetTime"].ToString();//获取设置的关机时间
settype = Convert.ToInt32(sdr["SetType"]);//获取关机类型
autorun = Convert.ToInt32(sdr["IsAutoRun"]);//获取是否开机运行
message = sdr["Message"].ToString();//获取提示信息
cycle = Convert.ToInt32(sdr["cycle"]);//执行的周期
sdr.Close();
conn.Close();
dateTimePicker1.Text = settime;
switch (settype)
{
case 0: rbShutDown.Checked = true; break;
case 1: rbBegin.Checked = true; break;
case 2: rbLogout.Checked = true; break;
case 3: rbShowMessage.Checked = true;
txtMessage.Text = message;
break;
}
if (autorun == 0)
{
chbAutoRun.Checked = false;
}
else
{
chbAutoRun.Checked = true;
}
if (cycle == 0)//每天
{
rbcycleDay.Checked = true;
cbbWeek.SelectedIndex = 0;
}
else//周几
{
rbcycleWeek.Checked = true;
if (cycle >= 1 || cycle <= 7)
{
cbbWeek.SelectedIndex = cycle - 1;
}
}
}
else
{
timer1.Stop();
MessageBox.Show("请设置数据，初始化程序！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
cbbWeek.SelectedIndex = 0;
}
}
private void refurbishInfo()
{
conn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data source=" strg);
conn.Open();
cmd = new OleDbCommand("select * from SetSystem where ID=1", conn);
sdr = cmd.ExecuteReader();
sdr.Read();
settime = sdr["SetTime"].ToString();//获取设置的关机时间
settype = Convert.ToInt32(sdr["SetType"]);//获取关机类型
autorun = Convert.ToInt32(sdr["IsAutoRun"]);//获取是否开机运行
message = sdr["Message"].ToString();//获取提示信息
cycle = Convert.ToInt32(sdr["cycle"]);//执行的周期
sdr.Close();
conn.Close();
}
private void ExecuteCommand()
{
refurbishInfo();
string setTime =dateTimePicker1.Text;
string nowTime = DateTime.Now.ToLongTimeString();
if (setTime.Equals(nowTime))
{
switch (settype)
{
case 0: Shutdown(); break;
case 1: BeginPC(); break;
case 2: logout(); break;
case 3: MessageBox.Show(message, "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
break;
}
}
}
private void AddCommand()
{
string settime1;
int settype1=0;
int autorun1=0;
string message1="请输入提示信息";
int cycle1;
settime1 = dateTimePicker1.Text;
if (rbShutDown.Checked)
{
settype1 = 0;
}
if (rbBegin.Checked)
{
settype1 = 1;
}
if (rbLogout.Checked)
{
settype1 = 2;
}
if (rbShowMessage.Checked)
{
settype1 = 3;
}
if (chbAutoRun.Checked)
{
autorun1 = 1;
autoruns(1);
}
else
{
autorun1 = 0;
autoruns(0);
}
if (rbShowMessage.Checked)
{
if (txtMessage.Text == "")
{
MessageBox.Show("输入提示信息！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
message1 = txtMessage.Text.Trim();
}
}
if (rbcycleDay.Checked)
{
cycle1 = 0;
}
else
{
cycle1 = cbbWeek.SelectedIndex 1;
}
conn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data source=" strg);
conn.Open();
string strSQL="";
if(judge)
{
strSQL="update SetSystem set SetTime='" settime1 "',SetType='" settype1 "',IsAutoRun='" autorun1 "',Message='" message1 "',cycle='" cycle1 "' where ID=1";
}
else
{
strSQL = "insert into SetSystem(ID,SetTime,SetType,IsAutoRun,Message,cycle) values (1,'" settime1 "','" settype1 "','" autorun1 "','" message1 "','" cycle1 "')";
}
cmd = new OleDbCommand(strSQL, conn);
int k = cmd.ExecuteNonQuery();
if (k > 0)
{
if (MessageBox.Show("设置成功") == DialogResult.OK)
{
conn.Close();
GetSetInfo();
judge = true;
timer1.Start();
this.Close();
}
}
}
private void JudgeID()//判断是否有ID为1的数据
{
conn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data source=" strg);
conn.Open();
cmd = new OleDbCommand("select count(*) from SetSystem where ID=1", conn);
int i = (int)cmd.ExecuteScalar();
if (i == 0)
{
judge = false;
}
else
{
judge = true;
}
}
private void autoruns(int k)
{
if (k == 0)//不运行
{
string strName = Application.ExecutablePath;
if (!System.IO.File.Exists(strName))
return;
string strnewName = strName.Substring(strName.LastIndexOf("\\") 1);
RegistryKey RKey = Registry.LocalMachine.OpenSubKey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true);
if (RKey == null)
RKey = Registry.LocalMachine.CreateSubKey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run");
RKey.DeleteValue(strnewName, false);
}
else
{
string strName = Application.ExecutablePath;
if (!System.IO.File.Exists(strName))
return;
string strnewName = strName.Substring(strName.LastIndexOf("\\") 1);
RegistryKey RKey = Registry.LocalMachine.OpenSubKey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true);
if (RKey == null)
RKey = Registry.LocalMachine.CreateSubKey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run");
RKey.SetValue(strnewName, strName);
}
}
private void Form1_Load(object sender, EventArgs e)
{
lblNowTime.Text = DateTime.Now.ToString();
strg = Application.StartupPath.ToString();
strg = strg.Substring(0, strg.LastIndexOf("\\"));
strg = strg.Substring(0, strg.LastIndexOf("\\"));
strg = @"\db.mdb";
GetSetInfo();
bool ok;
TokPriv1Luid tp;
IntPtr hproc = GetCurrentProcess();
IntPtr htok = IntPtr.Zero;
ok = OpenProcessToken(hproc, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, ref htok);
tp.Count = 1;
tp.Luid = 0;
tp.Attr = SE_PRIVILEGE_ENABLED;
ok = LookupPrivilegeValue(null, SE_SHUTDOWN_NAME, ref tp.Luid);
ok = AdjustTokenPrivileges(htok, false, ref tp, 0, IntPtr.Zero, IntPtr.Zero);
}
private void pictureBox2_Click(object sender, EventArgs e)//取消按钮
{
this.Close();
}
private void pictureBox1_Click(object sender, EventArgs e)//确定按钮
{
AddCommand();
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
this.Hide();
if (flag)
{
e.Cancel = true;
}
}
private void 退出ToolStripMenuItem_Click(object sender, EventArgs e)
{
flag = false;
Application.Exit();
}
private void 设置ToolStripMenuItem_Click(object sender, EventArgs e)
{
this.Show();
}
private void notifyIcon1_MouseDoubleClick(object sender, MouseEventArgs e)
{
this.Show();
}
private void timer1_Tick(object sender, EventArgs e)
{
lblNowTime.Text = DateTime.Now.ToString();
refurbishInfo();
if (cycle==0)
{
ExecuteCommand();
}
else
{
int nowWeek = DateTime.Now.DayOfWeek.GetHashCode();
if (nowWeek == cycle)
{
ExecuteCommand();
}
}
}
}
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