组合模式

//package combination 组合模式package combination
// UIComponent UI组件接口，对于任何UI控件都适用。type UIComponent interface {	// PrintUIComponent 打印UI组件	PrintUIComponent()	// GetUIControlName 获取控件名字	GetUIControlName() string	// GetConcreteUIControlName 获取控件具体名字	GetConcreteUIControlName() string}
// UIComponentAddtion UI组件附加接口，使用接口隔离原则，保证不需要实现接口声明方法的结构体，没有额外负担。仅对容器类型对UI控件适用。type UIComponentAddtion interface {	// AddUIComponent 添加UI组件	AddUIComponent(component UIComponent)	// AddUIComponents 添加UI组件列表	AddUIComponents(components []UIComponent)	// GetUIComponentList 获取UI组件列表	GetUIComponentList() []UIComponent}
// UIAttr UI属性type UIAttr struct {	// UI 名字	Name string}
//client 打印clientvar client = &PrintClient{}

package combination
// WinForm 窗口，实现UIComponent、UIComponentAddtion接口type WinForm struct {	// UIAttr 嵌套UI属性	UIAttr	// Components 容器的组件列表	Components []UIComponent}
// GetUIControlName 获取控件名字func (window *WinForm) GetUIControlName() string {	return "WinForm"}
// GetConcreteUIControlName 获取控件具体名字func (window *WinForm) GetConcreteUIControlName() string {	return window.Name}
// PrintUIComponent 打印UI组件func (window *WinForm) PrintUIComponent() {	client.printContainer(window, window)}
// AddUIComponent 添加UI组件func (window *WinForm) AddUIComponent(component UIComponent) {	window.Components = append(window.Components, component)}
// AddUIComponents 添加UI组件列表func (window *WinForm) AddUIComponents(components []UIComponent) {	window.Components = append(window.Components, components...)}
// GetUIComponentList 获取UI组件列表func (window *WinForm) GetUIComponentList() []UIComponent {	return window.Components}
// Frame 框架，实现UIComponent、接口type Frame struct {	// UIAttr 嵌套UI属性	UIAttr	// Components 容器的组件列表	Components []UIComponent}
// GetUIControlName 获取控件名字func (frame *Frame) GetUIControlName() string {	return "Frame"}
// GetConcreteUIControlName 获取控件具体名字func (frame *Frame) GetConcreteUIControlName() string {	return frame.Name}
// PrintUIComponent 打印UI组件func (frame *Frame) PrintUIComponent() {	client.printContainer(frame, frame)}
// AddUIComponent 添加UI组件func (frame *Frame) AddUIComponent(component UIComponent) {	frame.Components = append(frame.Components, component)}
// AddUIComponents 添加UI组件列表func (frame *Frame) AddUIComponents(components []UIComponent) {	frame.Components = append(frame.Components, components...)}
// GetUIComponentList 获取UI组件列表func (frame *Frame) GetUIComponentList() []UIComponent {	return frame.Components}

package combination
// Picture 图片，实现UIComponent接口type Picture struct {	// UIAttr 嵌套UI属性	UIAttr}
// GetUIControlName 获取控件名字func (picture Picture) GetUIControlName() string {	return "Picture"}
// GetConcreteUIControlName 获取控件具体名字func (picture Picture) GetConcreteUIControlName() string {	return picture.Name}
// PrintUIComponent 打印UI组件func (picture Picture) PrintUIComponent() {	client.printCurrentControl(picture)}
// Button 按钮，实现UIComponent接口type Button struct {	// UIAttr 嵌套UI属性	UIAttr}
// GetUIControlName 获取控件名字func (button Button) GetUIControlName() string {	return "Button"}
// GetConcreteUIControlName 获取控件具体名字func (button Button) GetConcreteUIControlName() string {	return button.Name}
// PrintUIComponent 打印UI组件func (button Button) PrintUIComponent() {	client.printCurrentControl(button)}
// Label 标签，实现UIComponent接口type Label struct {	// UIAttr 嵌套UI属性	UIAttr}
// GetUIControlName 获取控件名字func (label Label) GetUIControlName() string {	return "Label"}
// GetConcreteUIControlName 获取控件具体名字func (label Label) GetConcreteUIControlName() string {	return label.Name}
// PrintUIComponent 打印UI组件func (label Label) PrintUIComponent() {	client.printCurrentControl(label)}
// TextBox 文本框，实现UIComponent接口type TextBox struct {	// UIAttr 嵌套UI属性	UIAttr}
// GetUIControlName 获取控件名字func (textBox TextBox) GetUIControlName() string {	return "TextBox"}
// GetConcreteUIControlName 获取控件具体名字func (textBox TextBox) GetConcreteUIControlName() string {	return textBox.Name}
// PrintUIComponent 打印UI组件func (textBox TextBox) PrintUIComponent() {	client.printCurrentControl(textBox)}
// PassWordBox 密码框，实现UIComponent接口type PassWordBox struct {	// UIAttr 嵌套UI属性	UIAttr}
// GetUIControlName 获取控件名字func (passWordBox PassWordBox) GetUIControlName() string {	return "PassWordBox"}
// GetConcreteUIControlName 获取控件具体名字func (passWordBox PassWordBox) GetConcreteUIControlName() string {	return passWordBox.Name}
// PrintUIComponent 打印UI组件func (passWordBox PassWordBox) PrintUIComponent() {	client.printCurrentControl(passWordBox)}
// CheckBox 复选框，实现UIComponent接口type CheckBox struct {	// UIAttr 嵌套UI属性	UIAttr}
// GetUIControlName 获取控件名字func (checkBox CheckBox) GetUIControlName() string {	return "CheckBox"}
// GetConcreteUIControlName 获取控件具体名字func (checkBox CheckBox) GetConcreteUIControlName() string {	return checkBox.Name}
// PrintUIComponent 打印UI组件func (checkBox CheckBox) PrintUIComponent() {	client.printCurrentControl(checkBox)}
// LinkLabel 关联的标签，实现UIComponent接口type LinkLabel struct {	// UIAttr 嵌套UI属性	UIAttr}
// GetUIControlName 获取控件名字func (linkLabel LinkLabel) GetUIControlName() string {	return "LinkLabel"}
// GetConcreteUIControlName 获取控件具体名字func (linkLabel LinkLabel) GetConcreteUIControlName() string {	return linkLabel.Name}
// PrintUIComponent 打印UI组件func (linkLabel LinkLabel) PrintUIComponent() {	client.printCurrentControl(linkLabel)}

package combination
import "fmt"
// PrintClient 打印客户端type PrintClient struct{}
// printContainer 打印容器控件func (client PrintClient) printContainer(component UIComponent, componentAddtion UIComponentAddtion) {	client.printCurrentControl(component)	for _, v := range componentAddtion.GetUIComponentList() {		v.PrintUIComponent()	}}
// printCurrentControl 打印当前控件func (client PrintClient) printCurrentControl(component UIComponent) {	fmt.Println(fmt.Sprintf("print %s(%s)", component.GetUIControlName(), component.GetConcreteUIControlName()))}

package combination
import (	"testing")
func Test(t *testing.T) {	t.Run("combination: ", Combination)}
// Combination 单元测试//print WinForm(WINDOW窗口)//print Picture(LOGO图片)//print Button(登录)//print Button(注册)//print Frame(FRAME1)//print Label(用户名)//print TextBox(文本框)//print Label(密码)//print PassWordBox(密码框)//print CheckBox(复选框)//print TextBox(记住用户名)//print LinkLabel(忘记密码)func Combination(t *testing.T) {	window := &WinForm{UIAttr: UIAttr{Name: "WINDOW窗口"}}	picture := &Picture{UIAttr{Name: "LOGO图片"}}	loginButton := &Button{UIAttr{Name: "登录"}}	registerButton := &Button{UIAttr{Name: "注册"}}	frame := &Frame{UIAttr: UIAttr{Name: "FRAME1"}}	userLable := &Label{UIAttr{Name: "用户名"}}	textBox := &TextBox{UIAttr{Name: "文本框"}}	passwordLable := &Label{UIAttr{Name: "密码"}}	passwordBox := &PassWordBox{UIAttr{Name: "密码框"}}	checkBox := &CheckBox{UIAttr{Name: "复选框"}}	rememberUserTextBox := &TextBox{UIAttr{Name: "记住用户名"}}	linkLable := &LinkLabel{UIAttr{Name: "忘记密码"}}
	window.AddUIComponents([]UIComponent{picture, loginButton, registerButton, frame})	frame.AddUIComponents([]UIComponent{userLable, textBox, passwordLable, passwordBox, checkBox, rememberUserTextBox, linkLable})
	window.PrintUIComponent()}