C# Winform下一个热插拔的MIS/MRP/ERP框架11（启航）
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内容图文
初学时，有了想法却完全不知道该从何下指，此序列将抛砖引玉，与大家共同学习进步。
一个程序的初始，必然是启动。
我的要求：
1、应用程序保持单例；
2、从配置文件加载一些基础数据进行初始化；
3、显示软件的LOGO页面；
4、判断应用程序是否有更新；
4、进入用户登录界面；
5、用户成功登录后显示主界面。
如上图，基本达成目标，这个项目也是很简单的结构：
看窗体名称就知道各自的用途了。主要的Program.cs代码如下：
static class Program
{
public static bool 切换用户 = false;
/// <summary>
/// 主体框架应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
string 实例标识 = Assembly.GetExecutingAssembly().GetName().Name + "_SingtonB20";
Mutex mutex = new Mutex(true, 实例标识, out bool 单实例);
if (!单实例)
{
唤醒进程(实例标识);
return;
}
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.DoEvents();
//初始化全局DS
if (GlbInfo.DSGlb == null) GlbInfo.DSGlb = new System.Data.DataSet();
else
{
GlbInfo.DSGlb.Clear();
GlbInfo.DSGlb.Tables.Clear();
}
//加载全局多语言资源
try
{
AppInit.CreateDT_MulLang(AppInfo.GetFile(AppInfo.AppFile.MulMessage), "Message_Core");
AppInit.CreateDT_MulLang(AppInfo.GetFile(AppInfo.AppFile.MulSurface), "Surface_Core");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
Environment.Exit(0);
}
//展示闪屏窗体
Fm20Splash 闪屏窗 = new Fm20Splash();
闪屏窗.ShowDialog();
//系统检测正常则显示登录界面,否则退出应用
if (闪屏窗.DialogResult == DialogResult.OK)
{
显示登录:
切换用户 = false;
Fm20Login fmLogin = new Fm20Login();
fmLogin.ShowDialog();
if (fmLogin.DialogResult == DialogResult.OK)
{
Application.Run(new Fm20Main());
}
else
{
Application.Exit();
}
//当关闭主程序的时候会执行这个代码,在关闭主程序的时候需要给IsLogin 设置成true
//重新回到登录窗口.
if (切换用户)
{
goto 显示登录;
}
}
else
{
Application.Exit();
}
}
public static void 唤醒进程(string 进程名称)
{
try
{
Process proc = Process.GetCurrentProcess();
string assemblyName = Assembly.GetExecutingAssembly().GetName().Name + 进程名称;
foreach (Process 进程 in Process.GetProcessesByName(进程名称))
{
if (proc.Id != 进程.Id)
{
IntPtr hWnd = 进程.MainWindowHandle;
if (WinAPI.IsIconic(hWnd))
{
WinAPI.ShowWindowAsync(hWnd, WinAPIConst.SW_RESTORE);
}
WinAPI.SetForegroundWindow(hWnd);
return;
}
}
}
catch
{
}
}
}
Program.cs
一、第一个被运行的窗体（闪屏窗口）：
/// <summary>
/// Splash闪屏窗体
/// </summary>
public partial class Fm20Splash : Fm11Base
{
/// <summary>
/// 创建闪屏窗体
/// </summary>
public Fm20Splash()
{
InitializeComponent();
OINI oINI = new OINI(AppInfo.GetFile(AppInfo.AppFile.ConfigCore));
GlbInfo.Language = oINI.ReadString("Global", "CurrentLang", "LL");
string licCompany = oINI.ReadString("Global", "License_To_" + GlbInfo.Language, "所有人");
LabLicTo.Text = MultiLang.Surface(this, "LabLicTo", "授权给: ") + licCompany;
if (GlbInfo.Language == "LL") LabSysTitle.Text = "IMES (智能制造执行系统)"; else LabSysTitle.Text= "IMES (Intelligent Manufacturing Execution System)";
}
private void Fm20Splash_MouseDown(object sender, MouseEventArgs e)
{
WinAPI.ReleaseCapture();
WinAPI.SendMessage(Handle, WinAPIConst.WM_SYSCOMMAND, WinAPIConst.SC_MOVE + WinAPIConst.HTCAPTION, 0);
}
private static bool Delay(int delayTime)
{
DateTime now = DateTime.Now;
int s;
do
{
TimeSpan spand = DateTime.Now - now;
s = spand.Seconds;
Application.DoEvents();
}
while (s < delayTime);
return true;
}
private void Fm20Splash_Shown(object sender, EventArgs e)
{
//开始检测系统配置是否符合要求
//检测1:FRAMEWORK
//检测2:检查组件资源
#region 检测1:检测更新
SetMainStatus(MultiLang.Surface(this, "ChkAppVersion","正在检查系统版本..."));
Delay(1);
string localPath = AppDomain.CurrentDomain.BaseDirectory;
localPath = localPath.Substring(0, localPath.Length - 1);
string updateTxtFile = localPath + @"\UpdateLog.txt";
//当更新指引文件不存在(如调试时),将跳过自动更新检测.
if (File.Exists(updateTxtFile))
{
string[] allLines = File.ReadAllLines(localPath + @"\UpdateLog.txt");
string remotePath = string.Empty;
foreach (string line in allLines)
{
if (line.IndexOf("UpdatePath=") >= 0)
{
remotePath = line.Substring(line.IndexOf("UpdatePath=") + 11);
break;
}
}
if (NeedUpdate(localPath, remotePath))
{
File.Delete(localPath + "\\" + @"A19.exe");
File.Copy(remotePath + "\\" + @"A19.exe", localPath + "\\" + @"A19.exe", true);
string updFile = AppDomain.CurrentDomain.BaseDirectory + @"A19.exe";
Process.Start(updFile);
DialogResult = DialogResult.Cancel;
Application.Exit();
}
}
#endregion
#region 清理过期插件版本,只保留最近的一项
//根目录下不存在DLL或EXE原文件,则查找日期最后面的文件作为加载文件
//查找M开头的exe和dll文件,规划M2-M8为模组EXE命名区域.如M22,M88
var modFiles = Directory.GetFiles(AppDomain.CurrentDomain.BaseDirectory).Select(f => new FileInfo(f)).Where(f => ((f.Name.IndexOf("M") == 0 ) && f.Name.IndexOf("--") == 3) && (f.Name.IndexOf(".exe") >= 0 || f.Name.IndexOf(".dll") >= 0)).OrderBy(f => f.Name);
string prevFileSpl = string.Empty;
FileInfo ofi = null;
foreach (var s in modFiles)
{
if (!string.IsNullOrEmpty(prevFileSpl))
{
if (s.Name.Substring(0, s.Name.IndexOf("--")) == prevFileSpl.Substring(0, prevFileSpl.IndexOf("--")))
{
if (s.LastWriteTime >= ofi.LastWriteTime)
{
ofi.Delete();
}
else
{
s.Delete();
}
}
}
ofi = s;
prevFileSpl = s.Name;
}
#endregion
DialogResult = DialogResult.OK;
}
/// <summary>
/// 判断程序是否需要更新
/// </summary>
/// <param name="localPath"></param>
/// <param name="remotePath"></param>
/// <returns></returns>
private bool NeedUpdate(string localPath, string remotePath)
{
try
{
FileInfo fiUL = new FileInfo(localPath + @"\UpdateLog.txt");
FileInfo fiUR = new FileInfo(remotePath + @"\UpdateLog.txt");
if (fiUL.LastWriteTime == fiUR.LastWriteTime)
{
SetMainStatus(MultiLang.Surface(this, "ChkAppVersion","正在检查系统版本...") + "OK!");
return false;
}
else
{
return true;
}
}
catch (Exception)
{
//出错将返回false，比如:没有设置好更新路径。
return false;
}
}
}
Fm20Splash.cs
它继承自一个基类窗体Fm11Base，默认会做一些例如加载多语言文本的事情，没这个需求直接继承Form也可以。
二、这个页面通过后（有更新的话会跳到自动更新程序，可以忽略），会进入到登录窗体：
/// <summary>
/// 登录窗体
/// </summary>
public partial class Fm20Login : Fm11Base
{
bool IsLogin = false;
protected internal string SelAccountNO ;
protected internal string SelAccountName ;
private static readonly string DftAESKeyOfDlls = @"12345678-32key";
private bool m_aeroEnabled;
private static Fm20LoginTitle fm20LoginTitle;
public string UserID
{
get { return TxtUserID.Text; }
set { TxtUserID.Text = value; }
}
public Fm20Login()
{
m_aeroEnabled = false;
InitializeComponent();
fm20LoginTitle = new Fm20LoginTitle();
}
#region 无边框窗体处理
/// <summary>
/// 拖动无边框窗体
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnFormDrag(object sender, MouseEventArgs e)
{
WinAPI.ReleaseCapture();
WinAPI.SendMessage(Handle, WinAPIConst.WM_SYSCOMMAND, WinAPIConst.SC_MOVE + WinAPIConst.HTCAPTION, 0);
}
protected override CreateParams CreateParams
{
get
{
m_aeroEnabled = CheckAeroEnabled();
CreateParams cp = base.CreateParams;
if (!m_aeroEnabled)
cp.ClassStyle |= WinAPIConst.CS_DropSHADOW;
return cp;
}
}
private bool CheckAeroEnabled()
{
if (Environment.OSVersion.Version.Major >= 6)
{
int enabled = 0;
WinAPI.DwmIsCompositionEnabled(ref enabled);
return (enabled == 1) ? true : false;
}
return false;
}
protected override void WndProc(ref Message m)
{
base.WndProc(ref m);
switch (m.Msg)
{
case WinAPIConst.WM_NCPAINT:
if (m_aeroEnabled)
{
var v = 2;
WinAPI.DwmSetWindowAttribute(this.Handle, 2, ref v, 4);
WinAPIConst.MARGINS margins = new WinAPIConst.MARGINS()
{
bottomHeight = 1,
leftWidth = 1,
rightWidth = 1,
topHeight = 1
};
WinAPI.DwmExtendFrameIntoClientArea(this.Handle, ref margins);
}
break;
default:
break;
}
if (m.Msg == WinAPIConst.WM_NCHITTEST && (int)m.Result == WinAPIConst.HTCLIENT)
m.Result = (IntPtr)WinAPIConst.HTCAPTION;
}
#endregion
private void MitClose_Click(object sender, EventArgs e)
{
DialogResult = DialogResult.Cancel;
}
private void MitMini_Click(object sender, EventArgs e)
{
WindowState = FormWindowState.Minimized;
}
private void Fm20Login_Shown(object sender, EventArgs e)
{
if (!fm20LoginTitle.Visible)
{
fm20LoginTitle.Show(this);
}
else
{
fm20LoginTitle.BringToFront();
}
fm20LoginTitle.Left = this.Left + this.Width / 2 - fm20LoginTitle.Width / 2;
fm20LoginTitle.Top = this.Top + SplPnlMain.Panel1.Height - fm20LoginTitle.Height / 2;
if ((PCInfo.GetMacAddress() == "6C:4B:90:26:6E:E1") || (PCInfo.GetMacAddress() == "AC:9E:17:4B:C9:9F") || (PCInfo.GetMacAddress() == "30:B4:9E:98:82:BF") || (PCInfo.GetMacAddress() == "32:B4:9E:98:82:BF"))
{
TxtUserID.Text = "system";
TxtUserPass.Text = "myimc123~imc123~";
}
}
private void Fm20Login_Move(object sender, EventArgs e)
{
fm20LoginTitle.Left = this.Left + this.Width / 2 - fm20LoginTitle.Width / 2;
fm20LoginTitle.Top = this.Top + SplPnlMain.Panel1.Height - fm20LoginTitle.Height / 2;
}
private void Fm20Login_Load(object sender, EventArgs e)
{
try
{
LabStsVersion.Text = "Version: " + this.ProductVersion;
TstMILangLL.Checked = (GlbInfo.Language == "LL");
TstMILangLI.Checked = !TstMILangLL.Checked;
PicLogo.Image = Image.FromFile(AppInfo.GetPath(AppInfo.AppPath.Image) + @"\App\LoginLd.png");
//读取上一次记住的用户名
OINI oPIniFile = new OINI(AppInfo.GetFile(AppInfo.AppFile.ConfigCore));
TxtUserID.Text = oPIniFile.ReadString("Login", "LastUserID", string.Empty);
SetMainStatus("..");
}
catch (Exception)
{
}
}
private void TxtUserCode_TextChanged(object sender, EventArgs e)
{
CmdClearUser.Visible = !(string.IsNullOrEmpty(TxtUserID.Text.Trim()));
}
private void TxtUserCode_Enter(object sender, EventArgs e)
{
PicFeedUser.BackgroundImage= Properties.Resources.LoginUserB;
}
private void TxtUserCode_Leave(object sender, EventArgs e)
{
PicFeedUser.BackgroundImage = Properties.Resources.LoginUserH;
}
private void TxtUserPass_TextChanged(object sender, EventArgs e)
{
CmdClearPwd.Visible = !(string.IsNullOrEmpty(TxtUserPass.Text.Trim()));
}
private void TxtUserPass_Enter(object sender, EventArgs e)
{
PicFeedLock.BackgroundImage = Properties.Resources.LoginPwdB;
}
private void TxtUserPass_Leave(object sender, EventArgs e)
{
PicFeedLock.BackgroundImage = Properties.Resources.LoginPwdH;
}
private void CmdClearUser_Click(object sender, EventArgs e)
{
TxtUserID.Clear();
}
private void CmdClearPwd_Click(object sender, EventArgs e)
{
TxtUserPass.Clear();
}
private void SetLanguage(string tagLang)
{
try
{
OINI oINI = new OINI(AppInfo.GetFile(AppInfo.AppFile.ConfigCore));
oINI.WriteString("Global", "CurrentLang", tagLang);
TstMILangLL.Checked = (tagLang == "LL");
TstMILangLI.Checked = !TstMILangLL.Checked;
GlbInfo.Language = tagLang;
InitObjectsText(this);
}
catch (Exception)
{
throw;
}
}
private void TstMILangLL_Click(object sender, EventArgs e)
{
SetLanguage("LL");
}
private void TstMILangLI_Click(object sender, EventArgs e)
{
SetLanguage("LI");
}
private void CmdLogin_Click(object sender, EventArgs e)
{
string tmpSts1 = MultiLang.Surface(this, "VeriUser", "正在验证用户...");
SetMainStatus(tmpSts1);
try
{
string postUserID = TxtUserID.Text;
string postUserPass = TxtUserPass.Text;
if (string.IsNullOrEmpty(postUserID) || string.IsNullOrEmpty(postUserPass))
{
MyMsg.Information("T.201001/用户名和密码不能为空.");
TxtUserID.Focus();
return;
}
if ((SelAccountNO == "DEMOH") && (PCInfo.GetMacAddress() != "AC:9E:17:4B:C9:9F"))
{
MyMsg.Warning("T.201002/此帐套尚未开放,请选择其它帐套.");
return;
}
if (SelAccountNO == "DEMO")
{
MyMsg.Warning("T.201003/您登录的是演示库,数据可能随时丢失,如需正式作业,请登录NORMAL正式库.");
}
string connStrCurAct = GetConnStrFromCfg(SelAccountNO, "ConnStr");
string connStrExt1 = GetConnStrFromCfg(SelAccountNO, "ConnStrExt1");
string connStrExt2 = GetConnStrFromCfg(SelAccountNO, "ConnStrExt2");
string connStrExt3 = GetConnStrFromCfg(SelAccountNO, "ConnStrExt3");
string connStrExt4 = GetConnStrFromCfg(SelAccountNO, "ConnStrExt4");
string connStrExt5 = GetConnStrFromCfg(SelAccountNO, "ConnStrExt5");
this.Cursor = Cursors.WaitCursor;
#region 用户ERP登录验证部分
DBContext dBContext = new DBContext(connStrCurAct);
if (!dBContext.IsConnected)
{
MyMsg.Error("T.1010/数据库连接已经创建,但无法开启!", dBContext.ConnectErrorMessage);
return;
}
postUserPass = OCrypto.AES16Encrypt(postUserPass, DftAESKeyOfDlls);
SqlParameter[] paras = new SqlParameter[]
{
new SqlParameter("@UserID", postUserID),
new SqlParameter("@PasswordHash", postUserPass)
};
string sqlText= "SELECT U.*, D.DeptCode, D.DeptNameLL, D.DeptNameLI FROM SYS_User AS U LEFT OUTER JOIN Base_Department AS D ON U.DeptRKEY = D.DeptRKEY WHERE (U.UserID= @UserID) AND (U.PasswordHash= @PasswordHash)";
DataTable tmpDTUInfo = dBContext.SqlToDT(sqlText, paras);
if (tmpDTUInfo.Rows.Count > 0)
{
DataRow drUser = tmpDTUInfo.Rows[0];
if (!OString.NZ2Bool(drUser["IActived"]))
{
IsLogin = false;
SetMainStatus(MultiLang.Surface(this, "LoginFail1", "登录失败(帐号未激活)，请联系管理员!"));
}
else if (OString.NZ2Bool(drUser["ILocked"]))
{
IsLogin = false;
SetMainStatus(MultiLang.Surface(this, "LoginFail2", "登录失败(帐号被锁定)，请联系管理员!"));
}
else
{
GlbInfo.User.UserID = OString.NZ2Str(drUser["UserID"]);
GlbInfo.User.UserNameLL = OString.NZ2Str(drUser["UserNameLL"]);
GlbInfo.User.IsAdmin = OString.NZ2Bool(drUser["Hero"]);
GlbInfo.User.RolesUserIDS = OString.NZ2Str(drUser["RolesUserIDS"]);
GlbInfo.User.RightsList.Clear();
IsLogin = true;
}
}
else
{
IsLogin = false;
SetMainStatus(MultiLang.Surface(this, "LoginFail3", "登录失败(帐号不存在)，请重新尝试!"));
}
if (IsLogin)
{
GlbInfo.ActNO = SelAccountNO;
GlbInfo.ActName = SelAccountName;
GlbInfo.ConnStrCurAct = connStrCurAct;
GlbInfo.ConnStrExt1 = connStrExt1;
GlbInfo.ConnStrExt2 = connStrExt2;
GlbInfo.ConnStrExt3 = connStrExt3;
GlbInfo.ConnStrExt4 = connStrExt4;
GlbInfo.ConnStrExt5 = connStrExt5;
fm20LoginTitle.Close();
if (ChkRemember.Checked)
{
try
{
//记录下登录用户，以便下次不必输入用户名
OINI oPIniFile = new OINI(AppInfo.GetFile(AppInfo.AppFile.ConfigCore));
oPIniFile.WriteString("Login", "LastUserID", postUserID);
}
catch (Exception)
{
}
}
DialogResult = DialogResult.OK;
}
else
{
TxtUserPass.Text = string.Empty;
TxtUserPass.Focus();
MyMsg.Warning("T.201004/用户名或密码错误,请检查.");
}
#endregion
}
catch (Exception ex)
{
SetMainStatus(tmpSts1 + "出现异常!");
MyMsg.Exclamation(ex.Message);
}
finally
{
this.Cursor = Cursors.Default;
}
}
/// <summary>
/// 从配置文件中获取指定帐套数据库连接字符串(已加密)
/// </summary>
/// <param name="actNO">帐套代码</param>
/// <param name="tKey">定义的连接串Key</param>
/// <returns></returns>
private string GetConnStrFromCfg(string actNO, string tKey)
{
try
{
StringCollection Idents = new StringCollection();
OINI oINI = new OINI(AppInfo.GetFile(AppInfo.AppFile.ConfigCore));
return oINI.ReadString("Account:" + actNO, tKey, string.Empty);
}
catch (Exception ex)
{
MyMsg.Error(ex.Message);
return string.Empty;
}
}
private void LabChkRemember_DoubleClick(object sender, EventArgs e)
{
try
{
//记录下登录用户，以便下次不必输入用户名
OINI oPIniFile = new OINI(AppInfo.GetFile(AppInfo.AppFile.ConfigCore));
oPIniFile.WriteString("Login", "LastUserID", string.Empty);
MyMsg.Information("已经清除登录历史,下次登录将不再显示当前帐号名称.");
}
catch (Exception)
{
}
}
}
Fm20Login.cs
登录界面是一个起点，涉及到文件操作以及数据库的连接/存取，下次再分解。
内容总结
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