public static function main(array $args = array())
{
$weatherData = new WeatherData();
$currentDisplay = new CurrentConditionsDisplay($weatherData);
$statisticsDisplay = new StatisticsDisplay($weatherData);
$forecastDisplay = new ForecastDisplay($weatherData);
$weatherData->setMeasurements(80, 65, 30.4);
$weatherData->setMeasurements(82, 70, 29.2);
$weatherData->setMeasurements(78, 90, 29.2);
}
public static function index()
{
$weatherData = new WeatherData();
$currentDisplay = new CurrentConditionsDisplay($weatherData);
$statisticsDisplay = new StatisticsDisplay($weatherData);
$forecastDisplay = new ForecastDisplay($weatherData);
$heatIndexDisplay = new HeatIndexDisplay($weatherData);
$weatherData->setMeasurements(80, 65, 30.4);
$weatherData->setMeasurements(82, 70, 29.2);
$weatherData->setMeasurements(78, 90, 29.2);
}
<?php
ini_set('display_errors', "On");
error_reporting(E_ALL | E_STRICT);
//自动加载类
set_include_path(get_include_path() . PATH_SEPARATOR . 'class/');
//设置加载路径
spl_autoload_extensions('.php');
//设置加载后缀名
function myAutoload($className)
{
require_once $className . '.php';
//直接根据类名跟文件关系包含文件
}
spl_autoload_register("myAutoload");
//注册自动加载函数
//测试代码开始
$weatherData = new WeatherData();
//首先建立一个天气数据对象
$displayCurrent = new DisplayCurrentConditions($weatherData);
$weatherData->setMeasurements(80, 65, '30.4f');
$weatherData->setMeasurements(82, 70, '29.2f');
$weatherData->setMeasurements(78, 90, '29.2f');
echo '<hr>';
echo file_get_contents('./read.txt');
public function update($temperature, $humidity, $pressure)
{
$this->temperature = $temperature;
$this->humidity = $humidity;
$this->display();
}
public function display()
{
println('Current Contiditions:' . $this->temperature . ' F degrees and ' . $this->humidity . '% humidity');
}
}
println(SEPARATE, '观察者模式', SEPARATE);
showImgs('2.png', '2_1.png', '2_2.png');
$weatherObj = new WeatherData();
$currentConditions = new CurrentConditionsDisplay($weatherObj);
$weatherObj->setMeasurements(80, 65, '30.4f');
$weatherObj->setMeasurements(82, 70, '29.2f');
/**
* 输出：
Current Contiditions:80 F degrees and 65% humidity
Current Contiditions:82 F degrees and 70% humidity
*/
#方法二：可观察者和观察者：观察者拉状态
#可观察者超类
interface Observerable
{
public function registerObserver($observer);
#注册观察者
public function removeObserver($observer);
#注销观察者
public function notifyObserver();
public function __construct()
{
$weatherData = new WeatherData();
new CurrentConditionsDisplay($weatherData);
new StatisticsDisplay($weatherData);
$weatherData->setMeasurements(80, 65, 30.4);
$weatherData->setMeasurements(82, 70, 29.2);
$weatherData->setMeasurements(78, 90, 29.2);
}
<?php
function __autoload($class_name)
{
include $class_name . '.php';
}
$weatherData = new WeatherData();
$currentDisplay = new CurrentConditionDisplay($weatherData);
$statisicsDisplay = new StatisticsDisplay($weatherData);
$forecastDisplay = new ForecastDisplay($weatherData);
$weatherData->setMeasurements(80, 65, 30);
$weatherData->setMeasurements(82, 70, 29);
$weatherData->setMeasurements(78, 90, 28);
$this->pressure = $press;
$this->measurementsChanged();
}
}
class CurrentConditionsDisplay implements iObserver, iDisplayElement
{
private $temperature;
private $humidity;
private $weatherData;
function __construct($wd)
{
$this->weatherData = $wd;
$wd->registerObserver($this);
}
public function update($temp, $humid, $press)
{
$this->temperature = $temp;
$this->humidity = $humid;
$this->display();
}
public function display()
{
print "Current conditions: " . $this->temperature . "F degrees and " . $this->humidity . "% humidity\n";
}
}
$weatherData = new WeatherData();
$currentDisplay1 = new CurrentConditionsDisplay($weatherData);
$currentDisplay2 = new CurrentConditionsDisplay($weatherData);
$weatherData->setMeasurements(80, 65, 30.4);
$weatherData->setMeasurements(82, 70, 29.2);
$weatherData->setMeasurements(78, 90, 29.2);
