CS软件授权注册系统V3 - 开发手册 - 软件集成与用户注册

private void frmLogin_Load(object sender, EventArgs e)
{
    //加载本地证书信息
   this.LoadLicenseFile();            
}

/// <summary>
/// 加载本地证书文件
/// </summary>
private LicenseView LoadLicenseFile()
{
    //加载本地证书文件
    LicenseView license = LicenseManager.Instance.LoadLicense();

    //保存证书实例
    LicenseManager.CurrentLicense = license;

    //显示证书状态图片
    ShowLicenseStatusImage(license);

    var isSuccess = license != null && license.ClientHID == LicenseManager.GetHID();
    if (isSuccess)
    {
        btnRegister.Text = "已注册，点击查看授权";
        btnRegister.LinkArea = new LinkArea(0, btnRegister.Text.Length);
        btnRegister.LinkColor = Color.DarkGreen;
        btnLogin.Enabled = true;
        lblSupplier.Text = "软件供应商：" + license.Publisher;
    }
    else
    {
        btnRegister.Text = "软件没有授权，点击注册";
        btnRegister.LinkArea = new LinkArea(0, btnRegister.Text.Length);
        btnRegister.LinkColor = Color.Red;
        btnLogin.Enabled = false;
        lblSupplier.Text = "软件供应商：" + LicCommon.DEF_PUBLISHER;
    }

    return license;
}

private void btnRegister_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
    //没有注册，打开软件注册界面
    if (LicenseManager.CurrentLicense == null)
    {
        if (frmRegister.Execute())
        {
            this.LoadLicenseFile();//重新加载授权文件
        }
    }
    else
    {
        //已注册，显示证书
        frmLicenseViewer.Execute(LicenseManager.CurrentLicense);
    }
}

private void btnRegisterFull_Click(object sender, EventArgs e)
{
    //打开软件注册界面（WebApi+离线注册+直连数据库注册）     
    var isRegisted = frmRegister.Execute(new DatabaseRegisterBuilder
    {
        DbConfig = RegisterDbConfig.Default,
        Databases = Enum.GetNames<EF.DatabaseType>().ToList(),
        TestConnecting = (config) =>
        {//测试数据库连接
            IDatabase db = LicenseDAL.DatabaseProvider.GetDatabase(RegisterDbConfig.Default);
            return db.GetServerTime() > DateTime.Today.AddYears(-100);
        },
        Register = (config) =>
        {//注册
            IDatabase db = LicenseDAL.DatabaseProvider.GetDatabase(RegisterDbConfig.Default);
            return new dalLicenseClient(db).Register(config);
        }
    });

    if (isRegisted) //注册成功，初始化授权服务器连接策略
    {
        LicenseManager.LicenseServer = LicenseServerProvider.Create();
    }
}

private void ShowLicenseStatusImage(LicenseView lic)
{
    pic.Image = null;

    if (lic == null) //没有证书
    {
        pic.Image = Properties.Resources.未注册;
    }
    else //有证书文件
    {
        if (lic.IsDemoVersion)
        {
            pic.Image = Properties.Resources.试用版;
        }
        else
        {
            if (lic.IsExpired() || lic.Status == LicStatus.作废过期)
            {
                pic.Image = Properties.Resources.已过期;
            }
            if (lic.IsStopUse())
            {
                pic.Image = Properties.Resources.暂停使用;
            }
        }
    }
}

private void btnLogin_Click(object sender, EventArgs e)
{
    AssertLicense();//用户登录：验证一次证书

    //
    //此处省略代码...
    //bool isLogin = new bllUser().Login("admin","123456"); 
    //
    bool isLogin = true;//模拟终端用户登陆成功

    if (isLogin)
    {
        LicMsg.ShowInformation("证书正常，模拟打开主窗体......");
        this.Close();
    }
    else
    {
        LicMsg.Warning("登录失败，请重新输入账号和密码！");
    }
}

protected virtual void AssertLicense(string message = "证书认证失败!")
{                        
    bool isValid = LicenseValidation.Validate(LicenseManager.CurrentLicense, out var errMsg);
    if (isValid == false)
    {
        throw new Exception(message + errMsg);
    }
}