public FunctionTeacher()
{
Counter_1 = 0;
InitializeComponent();
WindowStartupLocation = WindowStartupLocation.CenterScreen;
//建立定时器，时间间隔为1s，并启动定时器
timer.Tick += new EventHandler(timer_Tick);
timer.Interval = new TimeSpan(0, 0, 1);
timer.Start();
//Stu为单个公告的信息集
Bulletinboard Stu = new Bulletinboard();
//UserNameTea为职工号
string n = MainWindow.UserCode;
string UserNameTea = n.ToString();
//绑定姓名栏的数据源为UserNameTea
FunctionUserNameTea.Content = UserNameTea;
#region 数据库连接
SqlConnection myConnection;
//string connStr = @"Server = LAPTOP-25MJ4H0M\SQLEXPRESS; database =教学系统; Trusted_Connection=SSPI";
string connStr = "Server ='" + IPAddress.ip + "'; database =测试数据库; uid =sa; pwd=1738010002";
myConnection = new SqlConnection(connStr);
try
{
myConnection.Open();
}
catch (Exception)
{
MessageBox.Show("连接失败");
}
#endregion
string myUpdate = "update xxb set 状态 = '" + 1 + "' where 接收方 = '" + UserNameTea + "'";
SqlCommand myCom = new SqlCommand(myUpdate, myConnection);
myCom.ExecuteNonQuery();
//从数据库中读取职工号为UserNameTea的各信息
SqlCommand cmd = new SqlCommand("select 姓名,管理班级,邮箱,性别 from jsb where 职工号 = '" + UserNameTea + "'", myConnection);
SqlDataReader sdr = cmd.ExecuteReader();
sdr.Read();
//绑定性别等栏的数据源
if (sdr[0].ToString() == null)
{
FunctionNameTea.Content = "未设置";
//MessageBox.Show("hhhh");
}
else
{
FunctionNameTea.Content = sdr[0].ToString();
}
if (sdr[1].ToString() == null)
{
FunctionClassTea.Content = "未设置";
}
else
{
FunctionClassTea.Content = sdr[1].ToString();
}
if (sdr[3].ToString() == null)
{
FunctionSexTea.Content = "未设置";
}
else
{
FunctionSexTea.Content = sdr[3].ToString();
}
FunctionEmailTea.Content = sdr[2].ToString();
sdr.Close();
SqlCommand cmd2 = new SqlCommand("select 内容,时间 from ggb ", myConnection);
SqlDataReader sdr2 = cmd2.ExecuteReader();
while (sdr2.Read())
{
Stu.Content = sdr2[0].ToString();
Stu.Time = DateTime.Parse(sdr2[1].ToString().Trim());
infoList.Add(Stu);
}
;
//对公告表按时间进行排序
infoList.Sort(delegate(Bulletinboard x, Bulletinboard y)
{
return(y.Time.CompareTo(x.Time));
});
sdr2.Close();
//公告栏显示时间最晚的一条公告
try
{
Bulletin.Content = infoList[0].Content;
}
catch { }
//查询新消息总数
//根据UserNameStu（登录用户名）选择出对应的个人信息
SqlCommand cmd3 = new SqlCommand("select 发送方 from xxb where 接收方 = '" + UserNameTea + "' and 状态 = '" + 0 + "'", myConnection);
SqlDataReader sdr3 = cmd3.ExecuteReader();
//读取信息并对Stu结构体赋值
while (sdr3.Read())
{
try
{
Counter_1++;
}
catch
{ }
}
MessageAlert.Content = "未读消息数目" + Counter_1.ToString();
//关闭连接
myConnection.Close();
}
public FunctionStudent()
{
Counter_1 = 0;
//Stu为单个文件的集合
Bulletinboard Stu = new Bulletinboard();
InitializeComponent();
WindowStartupLocation = WindowStartupLocation.CenterScreen;
//建立定时器，时间间隔为1s，并启动定时器
timer.Tick += new EventHandler(timer_Tick);
timer.Interval = new TimeSpan(0, 0, 1);
timer.Start();
//UserNameStu为主界面传过来的用户名
string n = MainWindow.UserCode;
string UserNameStu = n.ToString();
//绑定界面姓名栏的信息源为UserNameStu
FunctionUserNameStu.Content = UserNameStu;
#region 数据库连接
SqlConnection myConnection;
//string connStr = @"Server = LAPTOP-25MJ4H0M\SQLEXPRESS; database =教学系统; Trusted_Connection=SSPI";
string connStr = "Server ='" + IPAddress.ip + "'; database =测试数据库; uid =sa; pwd=1738010002";
myConnection = new SqlConnection(connStr);
try
{
myConnection.Open();
}
catch (Exception)
{
MessageBox.Show("连接失败");
}
#endregion
//从学生表中查询学号为UserNameStu的信息
SqlCommand cmd = new SqlCommand("select 姓名,班级,邮箱,性别 from xsb where 学号 = '" + UserNameStu + "'", myConnection);
SqlDataReader sdr = cmd.ExecuteReader();
sdr.Read();
//MessageBox.Show(sdr[1].ToString());
//绑定性别,班级等各栏的信息源
if (sdr[0].ToString() == null)
{
FunctionNameStu.Content = "未设置";
}
else
{
FunctionNameStu.Content = sdr[0].ToString();
}
if (sdr[1].ToString() == null)
{
FunctionClassStu.Content = "未设置";
}
else
{
FunctionClassStu.Content = sdr[1].ToString();
}
if (sdr[3].ToString() == null)
{
FunctionSexStu.Content = "未设置";
}
else
{
FunctionSexStu.Content = sdr[3].ToString();
}
FunctionEmaliStu.Content = sdr[2].ToString();
sdr.Close();
//查询公告
SqlCommand cmd2 = new SqlCommand("select 内容,时间 from ggb ", myConnection);
SqlDataReader sdr2 = cmd2.ExecuteReader();
//循环读取公告并将其加入公告列表
while (sdr2.Read())
{
Stu.Content = sdr2[0].ToString();
Stu.Time = DateTime.Parse(sdr2[1].ToString().Trim());
infoList.Add(Stu);
}
;
sdr2.Close();
//对公告表按时间排序
infoList.Sort(delegate(Bulletinboard x, Bulletinboard y)
{
return(y.Time.CompareTo(x.Time));
});
try
{
Bulletin.Content = infoList[0].Content;
}
catch { }
//查询新消息总数
//根据UserNameStu（登录用户名）选择出对应的个人信息
DateTime Time = DateTime.Now;
DateTime SetTime = new DateTime();
TimeSpan dt;
SqlCommand cmd3 = new SqlCommand("select 发送方,时间,状态 from xxb where 接收方 = '" + UserNameStu + "' ", myConnection);
SqlDataReader sdr3 = cmd3.ExecuteReader();
//读取信息并对Stu结构体赋值
while (sdr3.Read())
{
SetTime = DateTime.Parse(sdr3[1].ToString());
if (sdr3[0].ToString().Trim().Equals("定时提醒") == true)
{
try
{
dt = Time - SetTime;
if (dt.Minutes >= 0)
{
TimeCounter_1++;
}
}
catch
{ }
}
else if (sdr3[2].ToString().Trim().Equals("0"))
{
Counter_1++;
}
}
MessageAlert.Content = "未读消息数" + Counter_1.ToString();
myConnection.Close();
}
//定时刷新
void timer_Tick(object sender, EventArgs e)
{
try
{
Bulletinboard Stu = new Bulletinboard();
//UserNameTea为职工号
string n = MainWindow.UserCode;
string UserNameTea = n.ToString();
#region 数据库连接
SqlConnection myConnection;
//string connStr = @"Server = LAPTOP-25MJ4H0M\SQLEXPRESS; database =教学系统; Trusted_Connection=SSPI";
string connStr = "Server ='" + IPAddress.ip + "'; database =测试数据库; uid =sa; pwd=1738010002";
myConnection = new SqlConnection(connStr);
try
{
myConnection.Open();
}
catch (Exception)
{
MessageBox.Show("连接失败");
}
#endregion
//查询公告
SqlCommand cmd2 = new SqlCommand("select 内容,时间 from ggb ", myConnection);
SqlDataReader sdr2 = cmd2.ExecuteReader();
//循环读取公告并将其加入公告列表
while (sdr2.Read())
{
Stu.Content = sdr2[0].ToString();
Stu.Time = DateTime.Parse(sdr2[1].ToString().Trim());
infoList.Add(Stu);
}
;
//对公告表按时间排序
infoList.Sort(delegate(Bulletinboard x, Bulletinboard y)
{
return(y.Time.CompareTo(x.Time));
});
sdr2.Close();
Bulletin.Content = infoList[0].Content;
RefreshTeaInf_Click(null, null);
SqlCommand cmd3 = new SqlCommand("select 发送方 from xxb where 接收方 = '" + UserNameTea + "' and 状态 = '" + 0 + "'", myConnection);
SqlDataReader sdr3 = cmd3.ExecuteReader();
//读取新消息数目
while (sdr3.Read())
{
try
{
Counter_2++;
}
catch
{ }
}
//如果新消息数目变化则弹窗提醒
int Sub = Counter_2 - Counter_1;
if (Sub > 0)
{
MessageBox.Show("您有新消息，请注意查看");
}
MessageAlert.Content = "未读消息数" + Counter_1.ToString();
Counter_1 = Counter_2;
Counter_2 = 0;
myConnection.Close();
}
catch { }
}
//定时刷新
void timer_Tick(object sender, EventArgs e)
{
try
{
Bulletinboard Stu = new Bulletinboard();
string n = MainWindow.UserCode;
string UserNameStu = n.ToString();
#region 数据库连接
SqlConnection myConnection;
//string connStr = @"Server = LAPTOP-25MJ4H0M\SQLEXPRESS; database =教学系统; Trusted_Connection=SSPI";
string connStr = "Server ='" + IPAddress.ip + "'; database =测试数据库; uid =sa; pwd=1738010002";
myConnection = new SqlConnection(connStr);
try
{
myConnection.Open();
}
catch (Exception)
{
MessageBox.Show("连接失败");
}
#endregion
//查询公告
SqlCommand cmd2 = new SqlCommand("select 内容,时间 from ggb ", myConnection);
SqlDataReader sdr2 = cmd2.ExecuteReader();
//循环读取公告并将其加入公告列表
while (sdr2.Read())
{
Stu.Content = sdr2[0].ToString();
Stu.Time = DateTime.Parse(sdr2[1].ToString().Trim());
infoList.Add(Stu);
}
;
//对公告表按时间排序
infoList.Sort(delegate(Bulletinboard x, Bulletinboard y)
{
return(y.Time.CompareTo(x.Time));
});
sdr2.Close();
Bulletin.Content = infoList[0].Content;
RefreshStuInf_Click(null, null);
DateTime Time = DateTime.Now;
DateTime SetTime = new DateTime();
TimeSpan dt;
SqlCommand cmd3 = new SqlCommand("select 发送方,时间,状态 from xxb where 接收方 = '" + UserNameStu + "' ", myConnection);
SqlDataReader sdr3 = cmd3.ExecuteReader();
//读取信息并对Stu结构体赋值
while (sdr3.Read())
{
//SetTime为定时提醒设置的时间
SetTime = DateTime.Parse(sdr3[1].ToString());
//如果是定时提醒,则判断是否到达设定时间
if (sdr3[0].ToString().Trim().Equals("定时提醒") == true)
{
try
{
dt = Time - SetTime;
if (dt.Minutes >= 0)
{
TimeCounter_2++;
}
}
catch
{ }
}
//否则如果是未读消息则Counter_2+1
else if (sdr3[2].ToString().Trim().Equals("0"))
{
Counter_2++;
}
}
//如果定时提醒的数量变化,则提醒定时消息到达
if (TimeCounter_1 < TimeCounter_2)
{
MessageBox.Show("您有定时提醒达到,请在消息中查看");
}
int Sub = Counter_2 - Counter_1;
//如果新消息数目变化,则提醒新消息到达
if (Sub > 0)
{
MessageBox.Show("您有新消息，请注意查看");
}
MessageAlert.Content = "未读消息数" + Counter_1.ToString();
Counter_1 = Counter_2;
Counter_2 = 0;
TimeCounter_1 = TimeCounter_2;
TimeCounter_2 = 0;
myConnection.Close();
}
catch { }
}
