README
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命令模式
命令模式本质是把某个对象的方法调用封装到对象中，方便传递、存储、调用。
示例中把主板单中的启动(start)方法和重启(reboot)方法封装为命令对象，再传递到主机(box)对象中。于两个按钮进行绑定：
- 第一个机箱(box1)设置按钮1(button1) 为开机按钮2(button2)为重启。
- 第二个机箱(box1)设置按钮2(button2) 为开机按钮1(button1)为重启。
从而得到配置灵活性。
除了配置灵活外，使用命令模式还可以用作：
- 批处理
- 任务队列
- undo, redo
等把具体命令封装到对象中使用的场合
Documentation
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Index ¶
Examples ¶
Constants ¶
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Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type Box ¶
type Box struct {
// contains filtered or unexported fields
}
func (*Box) PressButton1 ¶
func (b *Box) PressButton1()
func (*Box) PressButton2 ¶
func (b *Box) PressButton2()
type Command ¶
type Command interface {
Execute()
}
Example ¶
mb := &MotherBoard{}
startCommand := NewStartCommand(mb)
rebootCommand := NewRebootCommand(mb)
box1 := NewBox(startCommand, rebootCommand)
box1.PressButton1()
box1.PressButton2()
box2 := NewBox(rebootCommand, startCommand)
box2.PressButton1()
box2.PressButton2()
Output: system starting system rebooting system rebooting system starting
type MotherBoard ¶
type MotherBoard struct{}
func (*MotherBoard) Reboot ¶
func (*MotherBoard) Reboot()
func (*MotherBoard) Start ¶
func (*MotherBoard) Start()
type RebootCommand ¶
type RebootCommand struct {
// contains filtered or unexported fields
}
func NewRebootCommand ¶
func NewRebootCommand(mb *MotherBoard) *RebootCommand
func (*RebootCommand) Execute ¶
func (c *RebootCommand) Execute()
type StartCommand ¶
type StartCommand struct {
// contains filtered or unexported fields
}
func NewStartCommand ¶
func NewStartCommand(mb *MotherBoard) *StartCommand
func (*StartCommand) Execute ¶
func (c *StartCommand) Execute()
Source Files
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