private void button1_Click(object sender, EventArgs e)//登陆
{
if (cbUser.Text == "")
{
MessageBox.Show("用户名不能为空！");
return;
}
if (tbPwd.Text == "")
{
MessageBox.Show("没有密码就想登陆吗？");
}
string constr = "Server=127.0.0.1;Database=tonghua;User Id=root;Password=5120154230;";
MySqlConnection mycon = new MySqlConnection(constr);
mycon.Open(); //打开连接
string check = "select user,password from information where user='******'and password='******'";
MySqlDataAdapter da = new MySqlDataAdapter(check, mycon); //创建适配器
DataSet ds = new DataSet(); //创建数据集
if (da.Fill(ds, "information") != 0) //判断同名
{
MessageBox.Show("恭喜你，登陆成功!"); //输出信息
this.Hide();
Socket_Server server = new Socket_Server();
server.StartPosition = FormStartPosition.CenterScreen;
server.Show();
}
else
{
MessageBox.Show("用户名或密码错误！");
return;
}
}
private void button5_Click(object sender, EventArgs e)//返回
{
this.Hide();
Socket_Server socket_Server = new Socket_Server();
socket_Server.StartPosition = FormStartPosition.CenterScreen;
socket_Server.Show();
}
private void button1_Click(object sender, EventArgs e)//查询
{
Socket_Server socket_Server = new Socket_Server();
string constr = "Server=127.0.0.1;Database=tonghua;User Id=root;Password=5120154230;";
MySqlConnection mycon = new MySqlConnection(constr);
mycon.Open();//打开连接
if (comboBox1.Text == "聊天日志")
{
dataGridView1.Columns[1].HeaderText = "源IP地址"; //改列名称
dataGridView1.Columns[2].HeaderText = "目的IP地址";
dataGridView1.Columns[3].HeaderText = "时间"; //改列名称
dataGridView1.Columns[4].HeaderText = "聊天信息";
dataGridView1.Columns[5].HeaderText = "视频格式";
string start_time = dateTimePicker1.Text.ToString();
string end_time = dateTimePicker2.Text.ToString();
Console.WriteLine("start_time={0} end_time={1}", start_time, end_time);
string check = "select * from recording where datetime between '" + start_time + "' and'" + end_time + "' order by id asc";
//string check = "select * from recording order by id asc";
MySqlDataAdapter da = new MySqlDataAdapter(check, mycon); //创建适配器
DataSet ds = new DataSet(); //创建数据集
da.Fill(ds, "recording"); //填充数据集
//dataGridView1.DataSource = ds;
//dataGridView1.DataMember = "recording";
dtSource = ds.Tables[0];
recordCount = dtSource.Rows.Count;
if (recordCount == 0)
{
MessageBox.Show("查询时间段无记录!");
mycon.Close();
mycon.Dispose();
return;
}
pageCount = (recordCount / pageSize);
if ((recordCount % pageSize) > 0)
{
pageCount++;
}
currentPage = 1;//默认第一页
LoadPage();
mycon.Close();
mycon.Dispose();
}
if (comboBox1.Text == "动作日志")
{
dataGridView1.Columns[1].HeaderText = "源IP地址"; //改列名称
dataGridView1.Columns[2].HeaderText = "目的IP地址";
dataGridView1.Columns[3].HeaderText = "时间"; //改列名称
dataGridView1.Columns[4].HeaderText = "设备参数";
dataGridView1.Columns[5].HeaderText = "调试参数";
string start_time = dateTimePicker1.Text.ToString();
string end_time = dateTimePicker2.Text.ToString();
string check = "select * from debug_data where datetime between '" + start_time + "' and'" + end_time + "' order by id asc";
//string check = "select * from recording order by id asc";
MySqlDataAdapter da = new MySqlDataAdapter(check, mycon); //创建适配器
DataSet ds = new DataSet(); //创建数据集
da.Fill(ds, "debug_data"); //填充数据集
dtSource = ds.Tables[0];
recordCount = dtSource.Rows.Count;
if (recordCount == 0)
{
MessageBox.Show("查询时间段无记录!");
mycon.Close();
mycon.Dispose();
return;
}
pageCount = (recordCount / pageSize);
if ((recordCount % pageSize) > 0)
{
pageCount++;
}
currentPage = 1;//默认第一页
LoadPage();
mycon.Close();
mycon.Dispose();
}
//dataGridView1.Columns[1].DataPropertyName = ds.Tables[0].Columns[2].ToString();//前台第1列，显示数据库第2列的内容
//dataGridView1.Columns[2].DataPropertyName = ds.Tables[0].Columns[1].ToString();//前台第2列，显示数据库第1列的内容
//int count = dataGridView1.RowCount; //总行数
//for (int i = 0; i < count - 1; i++)
//{
//Columns[i].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
//id列显示成序列号，从1开始
// }
}