第三周作业

package main
import (
	"fmt"
)
func main() {
	w:=NewWindowForm("WINDOW窗口")
	w.Add(NewPicture("LOGO图片"))
	w.Add(NewButton("登录"))
	w.Add(NewButton("注册"))
	f:=NewFrame("FRAME1")
	f.Add(NewLable("用户名"))
	f.Add(NewTextBox("文本框"))
	f.Add(NewLable("密码"))
	f.Add(NewPasswordBox("密码框"))
	f.Add(NewCheckBox("复选框"))
	f.Add(NewTextBox("记住用户名"))
	f.Add(NewLinkLable("忘记密码"))
	w.Add(f)
	w.Draw()
}
type Component interface {
	Draw()
}
type Contain interface {
	Component
	Add()
}
type WindowForm struct {
	name       string
	components []Component
}
func NewWindowForm(n string) *WindowForm {
	return &WindowForm{name: n}
}
func (w WindowForm) Draw() {
	fmt.Printf("WinForm(%s)\n", w.name)
	for _, c := range w.components {
		c.Draw()
	}
}
func (w *WindowForm) Add(c Component) {
	w.components = append(w.components, c)
}
type Picture struct {
	name string
}
func NewPicture(n string) *Picture {
	return &Picture{name: n}
}
func (p Picture) Draw() {
	fmt.Printf("Picture(%s)\n", p.name)
}
type Button struct {
	name string
}
func NewButton(n string) *Button  {
	return &Button{name:n}
}
func (b Button) Draw() {
	fmt.Printf("Button(%s)\n",b.name)
}
type Frame struct {
	name string
	components []Component
}
func NewFrame(n string) *Frame {
	return &Frame{name:n}
}
func (f Frame) Draw() {
	fmt.Printf("Frame(%s)\n",f.name)
	for _, c := range f.components {
		c.Draw()
	}
}
func (f *Frame) Add(c Component) {
	f.components = append(f.components, c)
}
type Lable struct {
	name string
}
func NewLable(n string) *Lable  {
	return &Lable{name:n}
}
func (l Lable) Draw() {
	fmt.Printf("Lable(%s)\n",l.name)
}
type TextBox struct {
	name string
}
func NewTextBox(n string) *TextBox  {
	return &TextBox{name:n}
}
func (t TextBox) Draw() {
	fmt.Printf("TextBox(%s)\n",t.name)
}
type PasswordBox struct {
	name string
}
func NewPasswordBox(n string) *PasswordBox  {
	return &PasswordBox{name:n}
}
func (t PasswordBox) Draw() {
	fmt.Printf("PasswordBox(%s)\n",t.name)
}
type CheckBox struct {
	name string
}
func NewCheckBox(n string) *CheckBox  {
	return &CheckBox{name:n}
}
func (t CheckBox) Draw() {
	fmt.Printf("CheckBox(%s)\n",t.name)
}
type LinkLable struct {
	name string
}
func NewLinkLable(n string) *LinkLable  {
	return &LinkLable{name:n}
}
func (t LinkLable) Draw() {
	fmt.Printf("LinkLable(%s)\n",t.name)
}