public abstract class PartBase : Space
{
#region 基本属性
/// <summary>
/// 是否复合板
/// </summary>
public bool IsCladPart { get; set; }
/// <summary>
/// 基层密度(kg/L)
/// </summary>
public double BaseDensity { get; set; }
/// <summary>
/// 复层密度(kg/L)
/// </summary>
public double CladDensity { get; set; }
/// <summary>
/// 基层材料
/// </summary>
public string BaseMaterial { get; set; }
/// <summary>
/// 复层材料
/// </summary>
public string CladMaterial { get; set; }
/// <summary>
/// 零件类型
/// </summary>
public PartType PartType { get; set; }
#endregion 基本属性
#region 控件属性
public TextBox TbBaseDensity { get; set; }
public TextBox TbCladDensity { get; set; }
public TextBox TbBaseMaterial { get; set; }
public TextBox TbCladMaterial { get; set; }
public CheckBox CbxIsCladPart { get; set; }
#endregion 控件属性
#region 控件事件，由于是抽象类，需要在继承类中实现其事件
public virtual void TbDensity_Validating(object sender, CancelEventArgs e)
{
"未实现【密度】的虚方法！".showAlert();
}
public virtual void TbCladMaterial_Validating(object sender, System.ComponentModel.CancelEventArgs e)
{
"未实现【复层材料】的虚方法！".showAlert();
}
public virtual void TbBaseMaterial_Validating(object sender, System.ComponentModel.CancelEventArgs e)
{
"未实现【基层材料】的虚方法！".showAlert();
}
public virtual void CbxIsCladPlate_CheckedChanged(object sender, EventArgs e)
{
"未实现【是否复合板】的虚方法！".showAlert();
}
#endregion 控件事件，由于是抽象类，需要在继承类中实现其事件
public PartBase()
{
}
/// <summary>
/// 继承腔体类中的属性值
/// 并且设置下一级类中的属性值
/// </summary>
/// <param name="v"></param>
/// <param name="s"></param>
public PartBase(Vessel v, Space s)
: base(v, s)
{
}
}
继承抽象类的下一级普通类需要：
1.重写抽象类A中的虚事件。
2.赋值A中属性便于向下传递。
3.本类B中的属性值需要通过类实例b传递到下一级属性中。
4.普通类B必须要有一个代表类实例的属性b，便于在本类中进行值的储存。比如，验证TextBox中用户输入的数值，如果值可以接受的话可以存储在b属性中。
5.在下级类实例化构造过程中传值给此实例属性b。
public class ShellBase : PartBase
{
#region 公用属性
/// <summary>
/// 壳体名义厚度
/// </summary>
protected string zShellTn;
/// <summary>
/// 壳体名义厚度
/// </summary>
public string ShellTn
{
get
{
return zShellTn;
}
set
{
zShellTn = value;
if (IsCladPart)
{
if (value.Contains("+"))
{
TnBase = double.Parse(value.Split('+')[0]);
TnClad = double.Parse(value.Split('+')[1]);
Tn = TnBase + TnClad;
}
else
{
}
}
else if (!string.IsNullOrEmpty(value))
{
if (value.Contains("+"))
{
}
else
{
double tn = 0;
double.TryParse(value, out tn);
Tn = tn;
}
}
}
}
/// <summary>
/// 壳体公称厚度
/// </summary>
public double Tn { get; set; }
/// <summary>
/// 是否为外径基准
/// </summary>
public bool IsBasedOnOD { get; set; }
/// <summary>
/// 壳体公称直径
/// </summary>
public double ShellDn { get; set; }
/// <summary>
/// 基层厚度
/// </summary>
public double TnBase { get; set; }
/// <summary>
/// 复层板厚
/// </summary>
public double TnClad { get; set; }
/// <summary>
/// 当前类的一个实例，用于记录验证时的值，重要，它是一个传值桥梁
/// </summary>
public ShellBase Shell { get; set; }
#endregion 公用属性
#region 几何属性
/// <summary>
/// 体积
/// </summary>
public double Volume { get; set; }
/// <summary>
/// 内表面积
/// </summary>
public double InnerArea { get; set; }
/// <summary>
/// 外表面积
/// </summary>
public double OuterArea { get; set; }
/// <summary>
/// 质量
/// </summary>
public double Mass { get; set; }
#endregion 几何属性
#region 控件属性
public CheckBox CbxIsBasedOnOD { get; set; }
public TextBox TbShellDn { get; set; }
public TextBox TbShellTn { get; set; }
public Label LblVolume { get; set; }
public Label LblMass { get; set; }
public Label LblInnerArea { get; set; }
public Label LblOutterArea { get; set; }
#endregion 控件属性
#region 控件事件
private void TbShellTn_Validating(object sender, System.ComponentModel.CancelEventArgs e)
{
if (TbShellTn.Text == "")
{
ErrShow.Clear();
return;
}
if (IsCladPart)
{
List<double> lst = TbShellTn.getCladPlateThickness();
Shell.ShellTn = TbShellTn.Text;
if (lst.Count > 1)
{
Shell.TnBase = lst[0];
Shell.TnClad = lst[1];
Shell.Tn = TnBase + TnClad;
ErrShow.Clear();
}
else
{
ErrShow.SetError(TbShellTn, "请按复合板的厚度【50+4.5】的格式填写！");
e.Cancel = true;
}
}
else
{
Shell.TnBase = TbShellTn.getNumber();
Shell.Tn = TnBase;
Shell.ShellTn = TbShellTn.Text;
ErrShow.Clear();
}
}
private void TbShellDn_Validating(object sender, System.ComponentModel.CancelEventArgs e)
{
if (TbShellDn.Text == "")
{
ErrShow.Clear();
return;
}
double dn = 0;
double.TryParse(TbShellDn.Text, out dn);
if (dn > 20)
{
Shell.ShellDn = dn;
ErrShow.Clear();
}
else
{
ErrShow.SetError(TbShellDn, "输入的数据有误！");
e.Cancel = true;
}
}
private void CbxIsBasedOnOD_CheckedChanged(object sender, EventArgs e)
{
Shell.IsBasedOnOD = CbxIsBasedOnOD.Checked;
}
/// <summary>
/// 重写抽象类中的方法
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public override void CbxIsCladPlate_CheckedChanged(object sender, EventArgs e)
{
Shell.IsCladPart = CbxIsCladPart.Checked;
}
public override void TbDensity_Validating(object sender, CancelEventArgs e)
{
TextBox tb = (TextBox)sender;
if (tb.Text == "")
{
if (tb == TbBaseDensity)
{
Shell.BaseDensity = 0;
}
else
{
Shell.CladDensity = 0;
}
ErrShow.Clear();
return;
}
double midu = 0;
double.TryParse(tb.Text, out midu);
if (midu > 1 && midu < 30)
{
if (tb == TbBaseDensity)
{
Shell.BaseDensity = midu;
}
else
{
Shell.CladDensity = midu;
}
ErrShow.Clear();
}
else
{
ErrShow.SetError(tb, "密度输入有问题！");
e.Cancel = true;
}
}
public override void TbCladMaterial_Validating(object sender, System.ComponentModel.CancelEventArgs e)
{
Shell.CladMaterial = TbCladMaterial.Text;
}
public override void TbBaseMaterial_Validating(object sender, System.ComponentModel.CancelEventArgs e)
{
Shell.BaseMaterial = TbBaseMaterial.Text;
}
#endregion 控件事件
public ShellBase()
{
}
public ShellBase(Vessel V, Space S)
: base(V, S)
{
}
/// <summary>
/// 继承腔体类中的属性值
/// 并且设置下一级类中的属性值
/// </summary>
/// <param name="V"></param>
/// <param name="S"></param>
public ShellBase(Vessel V, Space S, ShellBase SB)
: base(V, S)
{
//传值
Shell = SB;
#region 控件赋值
//PartBase
if (SB.CbxIsCladPart != null)
{
CbxIsCladPart = SB.CbxIsCladPart;
}
if (SB.TbBaseDensity != null)
{
TbBaseDensity = SB.TbBaseDensity;
}
if (SB.TbCladDensity != null)
{
TbCladDensity = SB.TbCladDensity;
}
if (SB.TbBaseMaterial != null)
{
TbBaseMaterial = SB.TbBaseMaterial;
}
if (SB.TbCladMaterial != null)
{
TbCladMaterial = SB.TbCladMaterial;
}
//ShellBase
if (SB.CbxIsBasedOnOD != null)
{
CbxIsBasedOnOD = SB.CbxIsBasedOnOD;
}
if (SB.TbShellDn != null)
{
TbShellDn = SB.TbShellDn;
}
if (SB.TbShellTn != null)
{
TbShellTn = SB.TbShellTn;
}
#endregion 控件赋值
#region 属性传值
IsBasedOnOD = SB.IsBasedOnOD;
ShellDn = SB.ShellDn;
Tn = SB.Tn;
ShellTn = SB.ShellTn;
TnBase = SB.TnBase;
TnClad = SB.TnClad;
#endregion 属性传值
#region 通过将SB赋值给本类中属性Shell，用Shell来接收控件验证时得到的参数值，然后传值到下一个继承者
//赋值是从抽象类中来的
IsCladPart = SB.IsCladPart;
BaseDensity = SB.BaseDensity;
CladDensity = SB.CladDensity;
BaseMaterial = SB.BaseMaterial;
CladMaterial = SB.CladMaterial;
#endregion 通过将SB赋值给本类中属性Shell，用Shell来接收控件验证时得到的参数值，然后传值到下一个继承者
}
/// <summary>
/// 在底层使用时进行调用，必须在控件赋值后进行使用，否则无效
/// </summary>
public void ShellSetting()
{
#region 上一个抽象类中的控件
if (TbBaseDensity != null)
{
TbBaseDensity.Validating -= TbDensity_Validating;
TbBaseDensity.Validating += TbDensity_Validating;
}
if (TbCladDensity != null)
{
TbCladDensity.Validating -= TbDensity_Validating;
TbCladDensity.Validating += TbDensity_Validating;
}
if (TbBaseMaterial != null)
{
TbBaseMaterial.Validating -= TbBaseMaterial_Validating;
TbBaseMaterial.Validating += TbBaseMaterial_Validating;
}
if (TbCladMaterial != null)
{
TbCladMaterial.Validating -= TbCladMaterial_Validating;
TbCladMaterial.Validating += TbCladMaterial_Validating;
}
if (CbxIsCladPart != null)
{
CbxIsCladPart.CheckedChanged -= CbxIsCladPlate_CheckedChanged;
CbxIsCladPart.CheckedChanged += CbxIsCladPlate_CheckedChanged;
}
#endregion 上一个抽象类中的控件
#region 本类中的控件
if (TbShellDn != null)
{
TbShellDn.Validating -= TbShellDn_Validating;
TbShellDn.Validating += TbShellDn_Validating;
}
if (TbShellTn != null)
{
TbShellTn.Validating -= TbShellTn_Validating;
TbShellTn.Validating += TbShellTn_Validating;
}
if (CbxIsBasedOnOD != null)
{
CbxIsBasedOnOD.CheckedChanged -= CbxIsBasedOnOD_CheckedChanged;
CbxIsBasedOnOD.CheckedChanged += CbxIsBasedOnOD_CheckedChanged;
}
#endregion 本类中的控件
}
}
6.再下一级的类C中只需要管好自己类中属性的向下传递即可。
public class HeadBase : ShellBase
{
#region 属性设置
/// <summary>
/// 封头类型
/// </summary>
protected HeadType zHeadType;
/// <summary>
/// 封头类型
/// </summary>
public HeadType HeadType
{
get
{
return zHeadType;
}
set
{
zHeadType = value;
}
}
/// <summary>
/// 封头最小厚度
/// </summary>
protected double ztmin;
/// <summary>
/// 封头最小厚度
/// </summary>
public double tmin
{
get
{
return ztmin;
}
set
{
ztmin = value;
}
}
/// <summary>
/// 封头标准,程序中直接设置
/// </summary>
protected string zHeadStandard;
/// <summary>
/// 封头标准,程序中直接设置
/// </summary>
public string HeadStandard
{
get
{
return zHeadStandard;
}
set
{
zHeadStandard = value;
}
}
/// <summary>
/// 封头直边
/// </summary>
protected double zh;
/// <summary>
/// 封头直边
/// </summary>
public double h
{
get
{
return zh;
}
set
{
zh = value;
}
}
#endregion
#region 控件属性
public TextBox TbTmin { get; set; }
public TextBox TbHeadStandard { get; set; }
public TextBox Tbh { get; set; }
#endregion 控件属性
#region 控件事件
/// <summary>
/// 在下一级的实例中执行数据验证
/// </summary>
public void HeadSetting()
{
if (Tbh != null)
{
Tbh.Validating += Tbh_Validating;
}
if (TbTmin != null)
{
TbTmin.Validating += TbTmin_Validating;
}
if (TbHeadStandard != null)
{
TbHeadStandard.Validating += TbHeadStandard_Validating;
}
}
private void TbHeadStandard_Validating(object sender, System.ComponentModel.CancelEventArgs e)
{
HeadStandard = TbHeadStandard.Text;
}
private void TbTmin_Validating(object sender, System.ComponentModel.CancelEventArgs e)
{
if (TbTmin.Text == "")
{
ErrShow.Clear();
return;
}
double val = 0;
double.TryParse(TbTmin.Text, out val);
if (val <= 0)
{
ErrShow.SetError(TbTmin, "封头最小厚度应大于0");
e.Cancel = true;
}
else if (Tn > 0)
{
if (val > Tn)
{
ErrShow.SetError(TbTmin, "封头最小厚度应小于公称厚度");
e.Cancel = true;
}
else
{
tmin = val;
ErrShow.Clear();
}
}
else
{
tmin = val;
ErrShow.Clear();
}
}
private void Tbh_Validating(object sender, System.ComponentModel.CancelEventArgs e)
{
if (Tbh.Text == "")
{
ErrShow.Clear();
return;
}
double val = 0;
double.TryParse(Tbh.Text, out val);
if (val < 25)
{
ErrShow.SetError(Tbh, "封头直边应大于等于25mm");
e.Cancel = true;
}
else
{
h = val;
ErrShow.Clear();
}
}
#endregion 控件事件
public HeadBase()
{
}
/// <summary>
///
/// </summary>
/// <param name="V"></param>
/// <param name="S"></param>
/// <param name="SB"></param>
public HeadBase(Vessel V, Space S, ShellBase SB)
: base(V, S, SB)
{
}
/// <summary>
/// 继承容器类中的属性值
/// 继承腔体类中的属性值
/// 并且设置下一级类中的属性值
/// </summary>
/// <param name="V"></param>
/// <param name="S"></param>
/// <param name="HB"></param>
public HeadBase(Vessel V, Space S, ShellBase SB, HeadBase HB)
: base(V, S, SB)
{
#region 控件继承
if (HB.Tbh!=null)
{
Tbh = HB.Tbh;
}
if (HB.TbTmin != null)
{
TbTmin = HB.TbTmin;
}
if (HB.TbHeadStandard != null)
{
TbHeadStandard = HB.TbHeadStandard;
}
#endregion 控件继承
#region 属性传值
h = HB.h;
tmin = HB.tmin;
HeadStandard = HB.HeadStandard;
#endregion 属性传值
}
#region 锥形封头公用函数
public double wConeInArea(double Di, double Dis, double ang)
{
double angH = ang.DegreeToRadian();
double L = (Di / 2 - Dis / 2) / angH.SinH();
return ((Math.PI * L * (Di / 2 + Dis / 2)) * 1e-6).Round(2);
}
public double xConeVolume(double Di, double h1, double Dis, double h2, double R, double r, double ang, double tn)
{
double angH = ang.DegreeToRadian();
double a = angH.SinH() / 4;
double b = (angH.SinH() * angH.CosH() + angH) / 2 - angH.SinH();
double c = 2 * angH.SinH() - Math.Pow(angH.SinH(), 3) / 3 - angH.SinH() * angH.CosH() - angH;
double d = Math.PI * (a * Di * Di * R + b * Di * R * R + c * Math.Pow(R, 3));
double e = (Math.Pow(Di - 2 * R * (1 - angH.CosH()), 3) - Math.Pow(Dis + 2 * (1 - angH.CosH()) * (r + tn), 3)) * Math.PI / (24 * Math.Tan(angH));
double f = Math.PI * (a * Dis * Dis * (r + tn) - b * Dis * Math.Pow(r + tn, 2) + c * Math.Pow(r + tn, 3));
double g = Math.PI * Di * Di * h1 / 4;
double i = Math.PI * Dis * Dis * h2 / 4;
return ((d + e + f + g + i) * 1e-9).Round(3);
}
#endregion 锥形封头公用函数
}
7.再下级类D中也只需要管好自己类中属性的向下传递即可，本例中没有其它属性。
此类无关紧要，如果有也同“下级类”，此处省略。
8.调用类中应注意各实例的先后与赋值情况，否则容易导致出错。
public partial class Test1 : Form
{
Vessel V = null;
Space S = null;
ShellBase SB = null;
HeadBase HB = null;
HeadEllipseBase HEB = null;
public Test1()
{
InitializeComponent();
}
private void Test1_Load(object sender, EventArgs e)
{
V = new Vessel();
V.ErrShow = errShow;
S = new Space(V);
SB = new ShellBase(V, S);
//凡是抽象类中的属性必须在其继承的类的实例中赋值才可以用
#region 控件赋值
SB.TbBaseDensity = tbBaseDensity;
SB.TbCladDensity = tbCladDensity;
SB.TbBaseMaterial = tbBaseMaterial;
SB.TbCladMaterial = tbCladMaterial;
SB.CbxIsCladPart = cbxIsCladPart;
//ShellBase
//而当前类的属性则也直接在其实例中进行赋值
SB.CbxIsBasedOnOD = cbxIsBasedOnOd;
SB.TbShellDn = tbDn;
SB.TbShellTn = tbTn;
#endregion 控件赋值
#region 直接赋值测试
//SB.BaseDensity = 8;
////SB.CladDensity = 7;
//SB.BaseMaterial = "SA-516 70";
////SB.CladMaterial = "SA-240 316L";
//SB.IsCladPart = false;
//SB.IsBasedOnOD = true;
//SB.ShellDn = 1000;
//SB.ShellTn = "10";
#endregion 直接赋值测试
//HeadBase
HB = new HeadBase(V, S, SB);
#region 控件赋值
HB.TbTmin = tbTmin;
HB.TbHeadStandard = tbStandard;
HB.Tbh = tbh;
#endregion 控件赋值
#region 直接赋值测试
//HB.tmin = 8;
//HB.HeadStandard = "GB/T 25198-2012";
//HB.h = 25;
#endregion 直接赋值测试
HB.ShellSetting();
HB.HeadSetting();
}
private void button2_Click(object sender, EventArgs e)
{
this.Close();
}
private void btnCal_Click(object sender, EventArgs e)
{
HEB = new HeadEllipseBase(V, S, SB, HB);
HEB.LblVolume = lblVolumne;
HEB.LblMass = lblMass;
HEB.LblInnerArea = lblInnerArea;
HEB.LblOutterArea = lblOutArea;
HEB.Cal();
HEB.SetResult();
}
}
来源：https://www.cnblogs.com/swtool/p/5875971.html