using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
using DevComponents.DotNetBar;
using System.Xml;
using System.IO;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Threading;
namespace Cyberpipe
{
public partial class FrmLogin : Office2007Form
{
public FrmLogin()
{
InitializeComponent();
}
public string rolename = "浏览";
public string username = "";
public string department = "";
//登录界面 -- 配置文件的路径
public static string filename = Application.StartupPath + "\\login.xml";
/// <summary>
/// 登录按钮事件处理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, EventArgs e)
{
bool result = ValidateUser();
if (result)
{
username = txtUser.Text.Trim();
Utility.userName = txtUser.Text.Trim();
this.DialogResult = DialogResult.OK;
this.Close();
}
else
{
MessageBox.Show("用户名、密码不正确，请重新输入！", "提示");
txtUser.Clear();
textBoxPassWord.Clear();
}
//if (ValiPort())
//{
// bool result = ValidateUser();
// if (result)
// {
// username = txtUser.Text;
// this.DialogResult = DialogResult.OK;
// this.Close();
// }
//}
}
/// <summary>
/// 关闭按钮事件处理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button2_Click(object sender, EventArgs e)
{
this.Close();
}
/// <summary>
/// 验证端口号
/// </summary>
/// <returns></returns>
private bool ValiPort()
{
Ping p = new Ping();//创建Ping对象p
PingReply pr = p.Send(Utility.localicenseserverip);//向指定IP或者主机名的计算机发送ICMP协议的ping数据包
if (pr.Status == IPStatus.Success)//如果ping成功
{
try
{
TcpClient tcpc = new TcpClient(Utility.localicenseserverip, Utility.localicenseserverport);//对IP地址为"192.168.0.105"的计算机的1500端口提出连接申请
tcpc.Close();
return true;
}
catch (Exception ex)
{
LogError.PublishError(ex);
MessageBox.Show("端口连接错误！" + ex.Message);
return false;
}
}
else
{
int times = 0;//重新连接次数;
int count = 2;//设置尝试次数
while (times < count)
{
//Thread.Sleep(1000);//等待时间(方便测试的话，你可以改为1000)
pr = p.Send(Utility.localicenseserverip);
if (pr.Status == IPStatus.Success)
{
try
{
TcpClient tcpc = new TcpClient(Utility.localicenseserverip, Utility.localicenseserverport);//对IP地址为"192.168.0.105"的计算机的1500端口提出连接申请
tcpc.Close();
return true;
}
catch (Exception ex)
{
LogError.PublishError(ex);
MessageBox.Show("端口连接错误！" + ex.Message);
return false;
}
}
else
{
times++;
if (times < count)
{
continue;
}
else
{
MessageBox.Show("重新尝试连接失败");
return false;
}
}
}
return false;
}
}
/// <summary>
/// 验证用户名、密码
/// </summary>
/// <returns></returns>
private bool ValidateUser()
{
string passWord = Utility.MD5Encrypt(textBoxPassWord.Text.Trim());
string sql = "select * from casic_userstatus where \"username\"='" + txtUser.Text.Trim() + "' and \"password\"='" + passWord + "'";
DataTable dt = OledbHelper.QueryTable(sql);
if (dt != null && dt.Rows.Count > 0)
{
WriteXML();
return true;
}
else
{
return false;
}
}
private void FrmLogin_Load(object sender, EventArgs e)
{
Utility.SetParams();
ReadXML();
}
/// <summary>
/// 读取上一次登录的用户名和密码
/// </summary>
private void ReadXML()
{
if (File.Exists(filename))
{
if (!File.Exists(filename))
{
return;
}
//初始化XML文档操作类
XmlDocument myDoc = new XmlDocument();
{
//加载XML文件
try
{
myDoc.Load(filename);
}
catch (System.Exception e)
{
LogError.PublishError(e);
return;
}
//搜索指定的节点
XmlNode serverRootNode = myDoc.SelectSingleNode("Params");
XmlNodeList nodes = null;
if (serverRootNode != null)
{
nodes = serverRootNode.ChildNodes;
}
if (nodes != null)
{
foreach (System.Xml.XmlNode xn in nodes)
{
if (xn.Name == "username")
{
txtUser.Text = xn.InnerText.Trim();
}
else if (xn.Name == "password")
{
textBoxPassWord.Text = xn.InnerText.Trim();
}
else if (xn.Name == "isremember")
{
if (xn.InnerText.Trim() == "true")
{
checkBoxXRememberPassword.Checked = true;
}
else if (xn.InnerText.Trim() == "false")
{
checkBoxXRememberPassword.Checked = false;
}
}
}
}
}
}
}
/// <summary>
/// 记录登录的用户名和密码
/// </summary>
private void WriteXML()
{
if (!File.Exists(filename))
{
return;
}
//初始化XML文档操作类
XmlDocument myDoc = new XmlDocument();
//加载XML文件
try
{
myDoc.Load(filename);
}
catch (System.Exception e)
{
LogError.PublishError(e);
MessageBox.Show(e.Message, "提示");
return;
}
//搜索指定的节点
XmlNode serverRootNode = myDoc.SelectSingleNode("Params");
XmlNodeList nodes = null;
if (serverRootNode != null)
{
nodes = serverRootNode.ChildNodes;
}
if (nodes != null)
{
foreach (System.Xml.XmlNode xn in nodes)
{
XmlElement xe = (XmlElement)xn;
if (xe.Name == "username")
{
xe.InnerText = txtUser.Text.Trim();
}
else if (xe.Name == "password")
{
if (checkBoxXRememberPassword.Checked)
{
xe.InnerText = textBoxPassWord.Text.Trim();
}
else
{
xe.InnerText = "";
}
}
else if (xe.Name == "isremember")
{
if (checkBoxXRememberPassword.Checked)
{
xe.InnerText = "true";
}
else
{
xe.InnerText = "false";
}
}
}
}
myDoc.Save(filename);
}
/// <summary>
/// 关闭按钮事件处理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnCancel_Click(object sender, EventArgs e)
{
this.Close();
}
}
}
