/**
* 执行方法
*/
public function execute() {
$this->_receiver->action();
}
}
/**
* 接收者角色
*/
class Receiver {
/* 接收者名称 */
private $_name;
public function __construct($name) {
$this->_name = $name;
}
/**
* 行动方法
*/
public function action() {
echo $this->_name, ' do action.
';
}
}
/**
* 请求者角色
*/
class Invoker {
private $_command;
public function __construct(Command $command) {
$this->_command = $command;
}
public function action() {
$this->_command->execute();
}
}
/**
* 客户端
*/
class Client {
/**
* Main program.
*/
public static function main() {
$receiver = new Receiver('phpppan');
$command = new ConcreteCommand($receiver);
$invoker = new Invoker($command);
$invoker->action();
}
}
public function remove(Command $command) {
$key = array_search($command, $this->_commandList);
if ($key === FALSE) {
return FALSE;
}
unset($this->_commandList[$key]);
return TRUE;
}
public function add(Command $command) {
return array_push($this->_commandList, $command);
}
public function execute() {
foreach ($this->_commandList as $command) {
$command->execute();
}
}
}
/**
* 具体拷贝命令角色
*/
class CopyCommand implements Command {
private $_receiver;
public function __construct(Receiver $receiver) {
$this->_receiver = $receiver;
}
/**
* 执行方法
*/
public function execute() {
$this->_receiver->copy();
}
}
/**
* 具体拷贝命令角色
*/
class PasteCommand implements Command {
private $_receiver;
public function __construct(Receiver $receiver) {
$this->_receiver = $receiver;
}
/**
* 执行方法
*/
public function execute() {
$this->_receiver->paste();
}
}
/**
* 接收者角色
*/
class Receiver {
/* 接收者名称 */
private $_name;
public function __construct($name) {
$this->_name = $name;
}
/**
* 复制方法
*/
public function copy() {
echo $this->_name, ' do copy action.
';
}
/**
* 粘贴方法
*/
public function paste() {
echo $this->_name, ' do paste action.
';
}
}
/**
* 请求者角色
*/
class Invoker {
private $_command;
public function __construct(Command $command) {
$this->_command = $command;
}
public function action() {
$this->_command->execute();
}
}
/**
* 客户端
*/
class Client {
/**
* Main program.
*/
public static function main() {
$receiver = new Receiver('phpppan');
$pasteCommand = new PasteCommand($receiver);
$copyCommand = new CopyCommand($receiver);
$macroCommand = new DemoMacroCommand();
$macroCommand->add($copyCommand);
$macroCommand->add($pasteCommand);
$invoker = new Invoker($macroCommand);
$invoker->action();
$macroCommand->remove($copyCommand);
$invoker = new Invoker($macroCommand);
$invoker->action();
}
}
