{"id":1133,"date":"2023-03-16T21:52:03","date_gmt":"2023-03-16T13:52:03","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=1133"},"modified":"2023-04-29T10:01:12","modified_gmt":"2023-04-29T02:01:12","slug":"design-pattern-bridge-mode","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/03\/16\/design-pattern-bridge-mode\/","title":{"rendered":"\u8bbe\u8ba1\u6a21\u5f0f\uff0824\uff09\u6865\u63a5\u6a21\u5f0f"},"content":{"rendered":"

\u6865\u63a5\u6a21\u5f0f\u4e5f\u79f0\u4e3a\u6865\u6881\u6a21\u5f0f\uff0c\u662f\u7ed3\u6784\u578b\u8bbe\u8ba1\u6a21\u5f0f\u4e4b\u4e00\u3002\u6865\u63a5\u6a21\u5f0f\u4e2d\u4f53\u73b0\u4e86\u201c\u5355\u4e00\u804c\u8d23\u539f\u5219\u201d\u3001\u201c\u5f00\u95ed\u539f\u5219\u201d\u3001\u201c\u91cc\u6c0f\u66ff\u6362\u539f\u5219\u201d\u3001\u201c\u4f9d\u8d56\u5012\u7f6e\u539f\u5219\u201d\u7b49\u3002\u540c\u65f6\u5b83\u4e5f\u662f\u5f88\u5b9e\u7528\u7684\u4e00\u79cd\u6a21\u5f0f\u3002<\/p>\n

<\/p>\n

\u5b9a\u4e49<\/h2>\n

\u5c06\u62bd\u8c61\u90e8\u5206\u4e0e\u73b0\u5b9e\u90e8\u5206\u5206\u79bb\uff0c\u4f7f\u5b83\u4eec\u90fd\u53ef\u4ee5\u72ec\u7acb\u5730\u8fdb\u884c\u53d8\u5316\u3002<\/p>\n

\u4f7f\u7528\u573a\u666f<\/h2>\n

\uff081\uff09\u5982\u679c\u4e00\u4e2a\u7cfb\u7edf\u9700\u8981\u5728\u6784\u5efa\u7684\u62bd\u8c61\u5316\u89d2\u8272\u548c\u5177\u4f53\u89d2\u8272\u4e4b\u95f4\u589e\u52a0\u66f4\u591a\u7684\u7075\u6d3b\u6027\uff0c\u907f\u514d\u5728\u4e24\u4e2a\u5c42\u6b21\u4e4b\u95f4\u5efa\u7acb\u9759\u6001\u7684\u7ee7\u627f\u8054\u7cfb\u3002
\n\uff082\uff09\u5bf9\u4e8e\u90a3\u4e9b\u4e0d\u5e0c\u671b\u4f7f\u7528\u7ee7\u627f\u6216\u56e0\u4e3a\u591a\u5c42\u6b21\u7ee7\u627f\u5bfc\u81f4\u7cfb\u7edf\u7c7b\u7684\u4e2a\u6570\u6025\u5267\u589e\u52a0\u7684\u7cfb\u7edf\uff0c\u4e5f\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u6865\u63a5\u6a21\u5f0f\u3002
\n\uff083\uff09\u4e00\u4e2a\u7c7b\u5b58\u5728\u4e24\u4e2a\u72ec\u7acb\u53d8\u5316\u7684\u7ef4\u5ea6\uff0c\u4e14\u8fd9\u4e24\u4e2a\u7ef4\u5ea6\u90fd\u9700\u8981\u6269\u5c55\u3002<\/p>\n

UML\u7c7b\u56fe<\/h2>\n

\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0<\/p>\n

\uff081\uff09Abstraction<\/code>\uff1a\u62bd\u8c61\u90e8\u5206\uff0c\u8be5\u7c7b\u4fdd\u6301\u4e00\u4e2a\u5bf9\u5b9e\u73b0\u90e8\u5206\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u62bd\u8c61\u90e8\u5206\u4e2d\u7684\u65b9\u6cd5\u9700\u8981\u8c03\u7528\u5b9e\u73b0\u90e8\u5206\u7684\u5bf9\u8c61\u6765\u5b9e\u73b0\uff0c\u8be5\u7c7b\u4e00\u822c\u4e3a\u62bd\u8c61\u7c7b\u3002
\n\uff082\uff09RefinedAbstraction<\/code>\uff1a\u4f18\u5316\u62bd\u8c61\u90e8\u5206\uff0c\u62bd\u8c61\u90e8\u5206\u7684\u5177\u4f53\u5b9e\u73b0\uff0c\u8be5\u7c7b\u4e00\u822c\u662f\u5bf9\u62bd\u8c61\u90e8\u5206\u7684\u65b9\u6cd5\u8fdb\u884c\u5b8c\u5584\u548c\u6269\u5c55\u3002
\n\uff083\uff09Implementor<\/code>\uff1a\u5b9e\u73b0\u90e8\u5206\u3002\u53ef\u4ee5\u4e3a\u63a5\u53e3\u6216\u62bd\u8c61\u7c7b\uff0c\u5176\u65b9\u6cd5\u4e0d\u4e00\u5b9a\u8981\u4e0e\u62bd\u8c61\u90e8\u5206\u4e2d\u7684\u4e00\u81f4\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\u662f\u7531\u73b0\u5b9e\u90e8\u5206\u63d0\u4f9b\u57fa\u672c\u64cd\u4f5c\uff0c\u800c\u62bd\u8c61\u90e8\u5206\u5b9a\u4e49\u7684\u5219\u662f\u57fa\u4e8e\u5b9e\u73b0\u90e8\u5206\u8fd9\u4e9b\u57fa\u672c\u64cd\u4f5c\u7684\u4e1a\u52a1\u65b9\u6cd5\u3002
\n\uff084\uff09ConcreteImplementorA<\/code>\u3001ConcreteImplementorB<\/code>\uff1a\u5b9e\u73b0\u90e8\u5206\u7684\u5177\u4f53\u5b9e\u73b0\u3002\u5b8c\u5584\u5b9e\u73b0\u90e8\u5206\u4e2d\u7684\u65b9\u6cd5\u5b9a\u4e49\u7684\u5177\u4f53\u903b\u8f91\u3002<\/p>\n

\u7b80\u5355\u5b9e\u73b0<\/h2>\n

\u4ee5\u53bb\u5496\u5561\u5e97\u559d\u5496\u5561\u4e3a\u4f8b\uff0c\u6211\u4eec\u5047\u5b9a\u5496\u5561\u6709\u5927\u676f\u52a0\u7cd6\u3001\u5927\u676f\u4e0d\u52a0\u7cd6\u3001\u5c0f\u676f\u52a0\u7cd6\u548c\u5c0f\u676f\u4e0d\u52a0\u7cd6\u56db\u79cd\u3002
\n\u7ed9\u5496\u5561\u6dfb\u52a0\u4e1c\u897f\u7684\u62bd\u8c61\u7c7b\uff1a\uff08Implementor\uff09<\/p>\n

public abstract class CoffeeAdditives {\n\n    \/**\n     * \u5177\u4f53\u8981\u5f80\u5496\u5561\u91cc\u6dfb\u52a0\u4ec0\u4e48\u4e1c\u897f \n     * \n     * @param \u5177\u4f53\u6dfb\u52a0\u7684\u4e1c\u897f\n     *\/\n    public abstract String addSomething();\n}<\/code><\/pre>\n
\u52a0\u7cd6\u7c7b\u5b9e\u73b0\uff1a\uff08ConcreteImplementorA\uff09<\/p>\n
public class Sugar extends CoffeeAdditives{\n\n    @Override\n    public String addSomething() {\n        return "\u52a0\u7cd6";\n    }\n\n}<\/code><\/pre>\n
\u539f\u5473\u7c7b\u5b9e\u73b0\uff1a\uff08ConcreteImplementorB\uff09<\/p>\n
public class Ordinary extends CoffeeAdditives{\n\n    @Override\n    public String addSomething() {\n        return "\u539f\u5473";\n    }\n\n}<\/code><\/pre>\n
\u5496\u5561\u7c7b\uff1a\uff08Abstraction\uff09<\/p>\n
public abstract class Coffee{\n\n    protected CoffeeAdditives impl;\n\n    public Coffee(CoffeeAdditives impl) {\n        this.impl = impl;\n    }\n\n    \/**\n     * \u5496\u5561\u5177\u4f53\u4ec0\u4e48\u6837\u7531\u5b50\u7c7b\u51b3\u5b9a \n     *\/\n    public abstract void makeCoffee();\n}<\/code><\/pre>\n
\u5927\u676f\u5496\u5561\uff1a\uff08RefinedAbstraction\uff09<\/p>\n
public class LargeCoffee extends Coffee{\n\n    public LargeCoffee(CoffeeAdditives impl) {\n        super(impl);\n    }\n\n    @Override\n    public void makeCoffee() {\n        System.out.println("\u5927\u676f\u7684" + impl.addSomething() + "\u5496\u5561");\n    }\n\n}<\/code><\/pre>\n
\u5c0f\u676f\u5496\u5561\uff1a<\/p>\n
public class SmallCoffee extends Coffee{\n\n    public SmallCoffee(CoffeeAdditives impl) {\n        super(impl);\n    }\n\n    @Override\n    public void makeCoffee() {\n        System.out.println("\u5c0f\u676f\u7684" + impl.addSomething() + "\u5496\u5561");\n    }\n}<\/code><\/pre>\n
\u8c03\u7528\uff1a<\/p>\n
public class Client {\n\n    public static void main(String[] args) {\n        \/\/\u539f\u5473\n        Ordinary implOrdinary = new Ordinary();\n\n        \/\/\u52a0\u7cd6\n        Sugar implSugar = new Sugar();\n\n        \/\/\u5927\u676f\u5496\u5561  \u539f\u5473\n        LargeCoffee largeCoffeeOrdinary = new LargeCoffee(implOrdinary);\n        largeCoffeeOrdinary.makeCoffee();\n\n        \/\/\u5c0f\u676f\u5496\u5561  \u539f\u5473\n        SmallCoffee smallCoffeeOrdinary = new SmallCoffee(implOrdinary);\n        smallCoffeeOrdinary.makeCoffee();\n\n        \/\/\u5927\u676f\u5496\u5561  \u52a0\u7cd6\n        LargeCoffee largeCoffeeSugar = new LargeCoffee(implSugar);\n        largeCoffeeSugar.makeCoffee();\n\n        \/\/\u5c0f\u676f\u5496\u5561  \u52a0\u7cd6\n        SmallCoffee smallCoffeeSugar = new SmallCoffee(implSugar);\n        smallCoffeeSugar.makeCoffee();\n    }\n\n}<\/code><\/pre>\n
\u7ed3\u679c\uff1a<\/p>\n
\u5927\u676f\u7684\u539f\u5473\u5496\u5561\n\u5c0f\u676f\u7684\u539f\u5473\u5496\u5561\n\u5927\u676f\u7684\u52a0\u7cd6\u5496\u5561\n\u5c0f\u676f\u7684\u52a0\u7cd6\u5496\u5561<\/code><\/pre>\n
Android\u6e90\u7801\u4e2d\u7684\u6865\u63a5\u6a21\u5f0f<\/h2>\n
    \n
  • Window\u4e0eWindowManager<\/li>\n<\/ul>\n
    \u4e3b\u8981\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
    public abstract class Window {\n   \/\/\u90e8\u5206\u7701\u7565\n   \/**\n     * Set the window manager for use by this Window to, for example,\n     * display panels.  This is <em>not<\/em> used for displaying the\n     * Window itself -- that must be done by the client.\n     *\n     * @param wm The window manager for adding new windows.\n     *\/\n    public void setWindowManager(WindowManager wm, IBinder appToken, String appName) {\n        setWindowManager(wm, appToken, appName, false);\n    }\n\n    \/**\n     * Set the window manager for use by this Window to, for example,\n     * display panels.  This is <em>not<\/em> used for displaying the\n     * Window itself -- that must be done by the client.\n     *\n     * @param wm The window manager for adding new windows.\n     *\/\n    public void setWindowManager(WindowManager wm, IBinder appToken, String appName,\n            boolean hardwareAccelerated) {\n        mAppToken = appToken;\n        mAppName = appName;\n        mHardwareAccelerated = hardwareAccelerated\n                || SystemProperties.getBoolean(PROPERTY_HARDWARE_UI, false);\n        if (wm == null) {\n            wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);\n        }\n        \/\/*\u5c06Window\u4e0eWindowManager\u7ed1\u5b9a\n        mWindowManager = ((WindowManagerImpl)wm).createLocalWindowManager(this);\n    }\n    \/\/\u90e8\u5206\u7701\u7565\n}<\/code><\/pre>\n
    \u603b\u7ed3<\/h2>\n
      \n
    • \u4f18\u70b9<\/li>\n<\/ul>\n
      \uff081\uff09\u5206\u79bb\u62bd\u8c61\u4e0e\u73b0\u5b9e\u3001\u7075\u6d3b\u7684\u6269\u5c55\u4ee5\u53ca\u5bf9\u5ba2\u6237\u6765\u8bf4\u900f\u660e\u7684\u5b9e\u73b0
      \n\uff082\uff09\u6865\u63a5\u6a21\u5f0f\u53ef\u4ee5\u53d6\u4ee3\u591a\u5c42\u7ee7\u627f\uff0c\u5927\u5927\u51cf\u5c11\u4e86\u5b50\u7c7b\u7684\u4e2a\u6570<\/p>\n
        \n
      • \u7f3a\u70b9<\/li>\n<\/ul>\n
        \u4e0d\u5bb9\u6613\u8bbe\u8ba1\uff0c\u5bf9\u5f00\u53d1\u8005\u6765\u8bf4\u8981\u6709\u4e00\u5b9a\u7684\u7ecf\u9a8c\u8981\u6c42\u3002\u7406\u89e3\u5f88\u5bb9\u6613\uff0c\u8bbe\u8ba1\u5374\u4e0d\u5bb9\u6613\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u6865\u63a5\u6a21\u5f0f\u4e5f\u79f0\u4e3a\u6865\u6881\u6a21\u5f0f\uff0c\u662f\u7ed3\u6784\u578b\u8bbe\u8ba1\u6a21\u5f0f\u4e4b\u4e00\u3002\u6865\u63a5\u6a21\u5f0f\u4e2d\u4f53\u73b0\u4e86\u201c\u5355\u4e00\u804c\u8d23\u539f\u5219\u201d\u3001\u201c\u5f00\u95ed\u539f\u5219\u201d\u3001\u201c\u91cc\u6c0f\u66ff\u6362\u539f\u5219\u201d […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[303],"tags":[],"class_list":["post-1133","post","type-post","status-publish","format-standard","hentry","category-design-pattern"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1133","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1133"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1133\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}