工厂方法模式

.gitignore

@@ -1 +1,2 @@
-.idea
+.idea
+/vendor/

.phpunit.result.cache

@@ -0,0 +1 @@
+{"version":1,"defects":{"demo\\Creational\\FactoryMethod\\tests\\FactoryMethodTest::testCanCreateStdoutLogging":4,"demo\\Creational\\FactoryMethod\\tests\\FactoryMethodTest::testCanCreateFileLogging":4,"demo\\Creational\\FactoryMethod\\tests\\StdoutLoggerTest::testCanCreateStdoutLogging":4,"demo\\Creational\\FactoryMethod\\tests\\StdoutLoggerTest::testCanCreateFileLogging":4,"demo\\Creational\\FactoryMethod\\tests\\StdoutLoggerTest::testLog":4,"demo\\Creational\\Singleton\\Tests\\SingletonTest::testUniqueness":4,"demo\\Structural\\DependencyInjection\\Tests\\DependencyInjectionTest::testDependencyInjection":4},"times":{"demo\\Creational\\FactoryMethod\\tests\\FactoryMethodTest::testCanCreateStdoutLogging":0.007,"demo\\Creational\\FactoryMethod\\tests\\FactoryMethodTest::testCanCreateFileLogging":0,"StackTest::testPushAndPop":0.004,"demo\\Creational\\FactoryMethod\\tests\\StdoutLoggerTest::testCanCreateStdoutLogging":0.005,"demo\\Creational\\FactoryMethod\\tests\\StdoutLoggerTest::testCanCreateFileLogging":0,"demo\\Creational\\FactoryMethod\\tests\\StdoutLoggerTest::testLog":0.004,"demo\\Creational\\Singleton\\Tests\\SingletonTest::testUniqueness":0.005,"demo\\Structural\\DependencyInjection\\Tests\\DependencyInjectionTest::testDependencyInjection":0.007}}

README.md

@@ -3,6 +3,7 @@
 ### PHP PSR 标准规范：https://learnku.com/docs/psr   
 ### PHP 设计模式全集：https://learnku.com/docs/php-design-patterns/2018   
 ### PHP 设计模式全集：https://laravelacademy.org/books/php-design-pattern   
+### PHPunit 文档：https://phpunit.readthedocs.io/zh_CN/latest/assertions.html   
 ### 环境PHP8.1.4   
 
 # 学习顺序   

Tests/StackTest.php

@@ -0,0 +1,18 @@
+<?php
+declare(strict_types=1);
+
+class StackTest extends \PHPUnit\Framework\TestCase
+{
+    public function testPushAndPop(): void
+    {
+        $stack = [];
+        $this->assertSame(0, count($stack));
+    
+        $stack[] = 'foo';
+        $this->assertSame('foo', $stack[count($stack)-1]);
+        $this->assertSame(1, count($stack));
+        
+        $this->assertSame('foo', array_pop($stack));
+        $this->assertSame(0, count($stack));
+    }
+}

bin/Base.php

@@ -45,15 +45,13 @@ class Base
     {
         try {
             // 初始化类，再执行对应方法
-            $class = $this->newClass($this->queryString);
+            $class      = $this->newClass($this->queryString);
+            $designName = $class->designName;
+            echo "<pre class='sf-dump' style='font-size: large;background-color: transparent;padding: 30px 0px;'>$designName<a href='/' style='margin-left:20px;'><span style='color:green'>返回首页</span></a></pre>";
             $class->main();
         } catch (\ReflectionException $e) {
             var_dump($e->getMessage());
         }
-        
-        echo "<div style='display: block;margin-top: 100px;'>
-                    <a href='/'><span style='font-size: 24px; color:green'>返回首页</span></a>
-            </div>";
     }
     
     /**
@@ -65,8 +63,8 @@ class Base
     {
         $li = '';
         foreach ($this->dirFiles as $file) {
-            $newClass  = $this->newClass($file);
             $designUrl = '';
+            $newClass  = $this->newClass($file);
             try {
                 if (is_object($newClass)) {
                     $designName = $newClass->designName;

bin/Design.php

@@ -2,7 +2,7 @@
 
 namespace bin;
 
-class Design
+abstract class Design
 {
     /**
      * 对应设计模式名称
@@ -17,6 +17,33 @@ class Design
      */
     public string $designRefUrl;
     
+    public function __construct()
+    {
+        $this->designName   = $this->setDesignName();
+        $this->designRefUrl = $this->setDesignRefUrl();
+    }
+    
+    /**
+     * 设置设计名称
+     *
+     * @return string
+     */
+    abstract public function setDesignName() : string;
+    
+    /**
+     * 设置参考地址
+     *
+     * @return string
+     */
+    abstract public function setDesignRefUrl() : string;
+    
+    /**
+     * 入口方法
+     *
+     * @return mixed
+     */
+    abstract public function main();
+    
     /**
      * 统一返回错误信息
      *

bin/DesignInterface.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace bin;
+
+interface DesignInterface
+{
+    
+}

composer.json

@@ -0,0 +1,25 @@
+{
+  "name": "cloud/designmode",
+  "autoload": {
+    "psr-4": {
+      "bin\\": "bin/",
+      "demo\\": "demo/",
+      "Cloud\\Designmode\\": "src/"
+    }
+  },
+  "authors": [
+    {
+      "name": "b"
+    }
+  ],
+  "minimum-stability": "dev",
+  "require": {
+    "symfony/var-dumper": "6.1.x-dev",
+    "php-console/php-console": "dev-master",
+    "psalm/plugin-phpunit": "dev-master"
+  },
+  "require-dev": {
+    "phpunit/phpunit": "9.x.x",
+    "vimeo/psalm": "5.x-dev"
+  }
+}

demo/Behavioral/README.md

@@ -0,0 +1 @@
+# 行为型

demo/Creational/A/Run.php

@@ -1,16 +0,0 @@
-<?php
-
-namespace demo\Creational\A;
-
-use bin\Design;
-
-class Run extends Design
-{
-    public string $designName = "创建型";
-    public string $designRefUrl = '';
-    
-    public function main()
-    {
-        var_dump('这个创建型');
-    }
-}

demo/Creational/FactoryMethod/FileLogger.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace demo\Creational\FactoryMethod;
+
+class FileLogger implements Logger
+{
+    
+    /**
+     * @var string
+     */
+    private string $filePath;
+    
+    public function __construct(string $filePath)
+    {
+        $this->filePath = $filePath;
+    }
+    
+    public function log(string $message)
+    {
+        file_put_contents($this->filePath, $message . PHP_EOL, FILE_APPEND);
+    }
+}

demo/Creational/FactoryMethod/FileLoggerFactory.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace demo\Creational\FactoryMethod;
+
+use JetBrains\PhpStorm\Pure;
+
+class FileLoggerFactory implements LoggerFactory
+{
+    
+    /**
+     * @var string
+     */
+    private string $filePath;
+    
+    public function __construct(string $filePath)
+    {
+        $this->filePath = $filePath;
+    }
+    
+    public function createLogger() : Logger
+    {
+        return new FileLogger($this->filePath);
+    }
+}

demo/Creational/FactoryMethod/Logger.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace demo\Creational\FactoryMethod;
+
+interface Logger
+{
+    // 要实现的方法
+    public function log(string $message);
+}

demo/Creational/FactoryMethod/LoggerFactory.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace demo\Creational\FactoryMethod;
+
+interface LoggerFactory
+{
+    public function createLogger() : Logger;
+}

demo/Creational/FactoryMethod/Run.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace demo\Creational\FactoryMethod;
+
+class Run extends \bin\Design
+{
+    
+    /**
+     * 对比简单工厂模式的优点是，您可以将其子类用不同的方法来创建一个对象。
+     * 举一个简单的例子，这个抽象类可能只是一个接口。
+     * 这种模式是「真正」的设计模式， 因为他实现了 S.O.L.I.D 原则中「D」的 「依赖倒置」。
+     * 这意味着工厂方法模式取决于抽象类，而不是具体的类。 这是与简单工厂模式和静态工厂模式相比的优势。
+     *
+     * @inheritDoc
+     */
+    public function setDesignName() : string
+    {
+        return '工厂方法模式（Factory Method）';
+    }
+    
+    /**
+     * @inheritDoc
+     */
+    public function setDesignRefUrl() : string
+    {
+        return 'https://learnku.com/docs/php-design-patterns/2018/FactoryMethod/1489';
+    }
+    
+    /**
+     * @inheritDoc
+     */
+    public function main()
+    {
+        (new StdoutLogger)->log('测试日志打印');
+        $loggerFactory = new StdoutLoggerFactory();
+        $logger        = $loggerFactory->createLogger();
+        // 判断类型是否一样
+        dump(StdoutLogger::class instanceof $logger);
+        
+        $loggerFactory = new FileLoggerFactory(sys_get_temp_dir());
+        $logger        = $loggerFactory->createLogger();
+        dump(FileLogger::class instanceof $logger);
+    }
+}

demo/Creational/FactoryMethod/StdoutLogger.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace demo\Creational\FactoryMethod;
+
+class StdoutLogger implements Logger
+{
+    
+    public function log(string $message)
+    {
+        echo $message;
+    }
+}

demo/Creational/FactoryMethod/StdoutLoggerFactory.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace demo\Creational\FactoryMethod;
+
+class StdoutLoggerFactory implements LoggerFactory
+{
+    
+    public function createLogger() : Logger
+    {
+        return new StdoutLogger();
+    }
+}

demo/Creational/FactoryMethod/tests/FactoryMethodTest.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace demo\Creational\FactoryMethod\tests;
+
+use demo\Creational\FactoryMethod\FileLogger;
+use demo\Creational\FactoryMethod\FileLoggerFactory;
+use demo\Creational\FactoryMethod\StdoutLogger;
+use demo\Creational\FactoryMethod\StdoutLoggerFactory;
+use PHPUnit\Framework\TestCase;
+
+class FactoryMethodTest extends TestCase
+{
+    public function testCanCreateStdoutLogging()
+    {
+        $loggerFactory = new StdoutLoggerFactory();
+        $logger        = $loggerFactory->createLogger();
+        // 断言变量属于给定类型
+        $this->assertInstanceOf(StdoutLogger::class, $logger);
+    }
+    
+    public function testCanCreateFileLogging()
+    {
+        $loggerFactory = new FileLoggerFactory(sys_get_temp_dir());
+        $logger        = $loggerFactory->createLogger();
+        // 断言变量属于给定类型
+        $this->assertInstanceOf(FileLogger::class, $logger);
+    }
+}

demo/Creational/README.md

@@ -0,0 +1 @@
+# 创建型

demo/More/README.md

@@ -0,0 +1 @@
+# 更多其他类型

demo/Structural/README.md

@@ -0,0 +1 @@
+# 结构型

index.php

@@ -1,35 +1,11 @@
 <?php
 
 const ROOTDIR = __DIR__;
-/**
- * 输出字符串或数组
- *
- * @param string/array    $vars    输出字符串或数组
- * @param string      $label  提示标题
- * @param bool|string $return 是否有返回值
- */
-function dump($vars, bool|string $return = false, string $label = '')
-{
-    if (ini_get('html_errors')) {
-        $content = "<pre>\n";
-        if ($label != '') {
-            $content .= "<strong>{$label} :</strong>\n";
-        }
-        $content .= htmlspecialchars(print_r($vars, true), ENT_COMPAT, 'ISO-8859-1');
-        $content .= "\n</pre>\n";
-    } else {
-        $content = $label . " :\n" . print_r($vars, true);
-    }
-    echo $content;
-    if ($return) exit;
-    return null;
-    
-}
 
+require ROOTDIR . '/vendor/autoload.php';
 
 require ROOTDIR . '/bin/Psr4Autoload.php';
 
 (new \bin\Psr4Autoload)->register();
 
 (new \bin\Base);
-

psalm.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<psalm
+    errorLevel="1"
+    resolveFromConfigFile="true"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="https://getpsalm.org/schema/config"
+    xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
+>
+    <projectFiles>
+        <directory name="src"/>
+        <ignoreFiles>
+            <directory name="vendor"/>
+        </ignoreFiles>
+    </projectFiles>
+<plugins><pluginClass class="Psalm\PhpUnitPlugin\Plugin"/></plugins></psalm>