{"id":1633,"date":"2018-04-21T17:07:17","date_gmt":"2018-04-21T09:07:17","guid":{"rendered":"http:\/\/coderbee.net\/?p=1633"},"modified":"2018-04-21T17:07:17","modified_gmt":"2018-04-21T09:07:17","slug":"%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%e4%b9%8b%e5%b7%a5%e5%8e%82%e5%ae%b6%e6%97%8f","status":"publish","type":"post","link":"https:\/\/coderbee.net\/index.php\/readingnote\/20180421\/1633","title":{"rendered":"\u8bbe\u8ba1\u6a21\u5f0f\u4e4b\u5de5\u5382\u5bb6\u65cf"},"content":{"rendered":"

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\u5de5\u5382\u5bb6\u65cf<\/h1>\n

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\n1. \u628a\u9759\u6001\u5de5\u5382\u62c6\u5206\u6210\u4e86\u4e00\u4e2a\u63a5\u53e3\u548c\u82e5\u5e72\u4e2a\u5b9e\u73b0\u7c7b\uff1b
\n2. \u628a\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u4e2d\u7684\u4e3b\u9898\u7c7b\u4e2d\u7684\u62bd\u8c61\u5de5\u5382\u65b9\u6cd5\u63d0\u70bc\u4e3a\u4e00\u4e2a\u63a5\u53e3\uff0c\u7528\u5bf9\u8c61\u5408\u6210\u53d6\u4ee3\u4e86\u7c7b\u7ee7\u627f\u3002<\/p>\n

\u4ee3\u7801\u8bf4\u660e\u793a\u4f8b<\/h1>\n

1. \u9759\u6001\u5de5\u5382\u6a21\u5f0f\uff1a<\/h2>\n
public class StaticFactory {\n    public enum Type {\n        AWT, SWING\n    };\n\n    public static Container createFrame(Type type, String title) {\n        switch (type) {\n            case AWT:\n                return new Frame(title);\n            case SWING:\n                return new JFrame(title);\n            default:\n                return null;\n        }\n    }\n\n    public static Component createLabel(Type type, String text) {\n        switch (type) {\n            case AWT:\n                return new Label(text);\n            case SWING:\n                return new JLabel(text);\n            default:\n                return null;\n        }\n    }\n}\n\n\/\/ \u4f7f\u7528\u9759\u6001\u516c\u5171\u65b9\u6cd5\u7684\u7c7b\nclass LoginForm {\n    public Container createLoginWindow() {\n        \/\/ \u4f7f\u7528\u524d\u8981\u6307\u5b9a\u5177\u4f53\u7684\u7c7b\u578b\n        StaticFactory.Type type = StaticFactory.Type.AWT;\n        Container frame = StaticFactory.createFrame(type, \"\u6807\u9898\");\n        Component label = StaticFactory.createLabel(type, \"\u6587\u672c\");\n        \/\/ \u7ec4\u88c5\u7ec4\u4ef6\n        return null;\n    }\n}\n<\/code><\/pre>\n
\u6bcf\u4e2a\u521b\u5efa\u5bf9\u8c61\u7684\u65b9\u6cd5\u90fd\u901a\u8fc7\u53c2\u6570\u6765\u6307\u5b9a\u8981\u521b\u5efa\u7684\u5177\u4f53\u5bf9\u8c61\u7c7b\u578b\uff0c\u8c03\u7528\u65b9\u5fc5\u987b\u6307\u5b9a\u5177\u4f53\u7684\u7c7b\u578b\u3002<\/p>\n
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2. \u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\uff1a<\/h2>\n
public abstract class LoginForm {\n    public abstract Container createFrame(String title);\n\n    public abstract Container createLabel(String text);\n\n    \/\/ \u4e00\u4e2a\u4f7f\u7528\u62bd\u8c61\u65b9\u6cd5\u7684\u6a21\u677f\u65b9\u6cd5\n    public Container createLoginForm() {\n        Container frame = createFrame(\"\u5de5\u5382\u65b9\u6cd5\");\n        Container label = createLabel(\"\");\n        \/\/ \u7ec4\u88c5\u5bf9\u8c61\n        return null;\n    }\n}\n\npublic class AwtLoginForm extends LoginForm {\n    public Container createFrame(String title) {\n        return null;\n    }\n\n    public Container createLabel(String text) {\n        return null;\n    }\n}\n\npublic class SwingLoginForm extends LoginForm {\n    public Container createFrame(String title) {\n        return null;\n    }\n\n    public Container createLabel(String text) {\n        return null;\n    }\n}\n<\/code><\/pre>\n
\u901a\u8fc7\u591a\u6001\u53d6\u4ee3\u4e86\u9759\u6001\u5de5\u5382\u65b9\u6cd5\u91cc\u6bcf\u4e2a\u65b9\u6cd5\u7c7b\u578b\u53c2\u6570\uff1b<\/p>\n
3. \u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\uff1a<\/h2>\n
interface WigetFactory {\n    Container createFrame(String title);\n\n    Container createLabel(String text);\n}\n\nclass AwtWigetFactory implements WigetFactory {\n    @Override\n    public Container createFrame(String title) {\n        return null;\n    }\n\n    @Override\n    public Container createLabel(String text) {\n        return null;\n    }\n}\n\nclass SwingWigetFactory implements WigetFactory {\n    public Container createFrame(String title) {\n        return null;\n    }\n\n    public Container createLabel(String text) {\n        return null;\n    }\n}\n\nclass LoginForm {\n    private WigetFactory wigetFactory;\n\n    public LoginForm(WigetFactory wigetFactory) {\n        this.wigetFactory = wigetFactory;\n    }\n\n    public Container createLoginForm() {\n        Container frame = wigetFactory.createFrame(\"\u6807\u9898\");\n        Container label = wigetFactory.createLabel(\"\u6587\u672c\");\n        \/\/ \u7ec4\u88c5\u5bf9\u8c61\n        return null;\n    }\n}\n<\/code><\/pre>\n
\u901a\u8fc7\u4f9d\u8d56\u6ce8\u5165\u628a\u5177\u4f53\u7684\u5de5\u5382\u5b9e\u73b0\u6ce8\u5165\u5230\u4f7f\u7528\u65b9\uff0c\u7528\u7ec4\u5408\u53d6\u4ee3\u4e86\u7c7b\u7684\u7ee7\u627f\u3002<\/p>\n\n
\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u5fae\u4fe1\u516c\u4f17\u53f7: coderbee\u7b14\u8bb0<\/strong>\uff0c\u53ef\u4ee5\u66f4\u53ca\u65f6\u56de\u590d\u4f60\u7684\u8ba8\u8bba\u3002<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
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